Failed to install this gem

namnm1991 commented 3 years ago

Summary

Hi guys, when I install this gem, it said 'could not compile ruby-ext-wasm' with 17 errors. It's all about "not FFI-safe". Could you give me some advice here? (I'm using Ubuntu 20.04, and rbenv)

Additional details

rustc -V
rustc 1.46.0 (04488afe3 2020-08-24)

rustup -V
rustup 1.22.1 (b01adbbc3 2020-07-08)

cargo -V
cargo 1.46.0 (149022b1d 2020-07-17)

ruby -v
ruby 2.6.6p146 (2020-03-31 revision 67876) [x86_64-linux]

Error log

$ gem install wasmer --verbose                                                                                                                                                                                                                        ⬡ 12.18.3 [±signing ●●]
HEAD https://rubygems.org/api/v1/dependencies
200 OK
GET https://rubygems.org/api/v1/dependencies?gems=wasmer
200 OK
GET https://rubygems.org/api/v1/dependencies?gems=rutie
200 OK
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/.cargo/config
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/.github/ISSUE_TEMPLATE/---bug-report.md
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/.github/ISSUE_TEMPLATE/---feature-request.md
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/.github/ISSUE_TEMPLATE/--question.md
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/.github/workflows/test.yml
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/.gitignore
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/CHANGELOG.md
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/Cargo.lock
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/Cargo.toml
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/Gemfile
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/LICENSE
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/README.md
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/Rakefile
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/bors.toml
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/justfile
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/lib/wasmer.rb
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/lib/wasmer/version.rb
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/error.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/instance/exports.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/instance/globals.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/instance/mod.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/lib.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/memory/mod.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/memory/view.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/src/module.rs
/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0/wasmer.gemspec
Building native extensions. This could take a while...
current directory: /home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0
["/home/nam/.rbenv/versions/2.6.6/bin/ruby", "-rrubygems", "/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/rake-13.0.1/exe/rake", "RUBYARCHDIR=/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/extensions/x86_64-linux/2.6.0/wasmer-0.4.0", "RUBYLIBDIR=/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/extensions/x86_64-linux/2.6.0/wasmer-0.4.0"]
bundle install
Fetching gem metadata from https://rubygems.org/...
Fetching gem metadata from https://rubygems.org/.
Resolving dependencies...
Using rake 13.0.1
Using ansi 1.5.0
Using builder 3.2.4
Using bundler 2.1.4
Using minitest 5.14.2
Using ruby-progressbar 1.10.1
Using minitest-reporters 1.4.2
Using color_pound_spec_reporter 0.0.9
Using rutie 0.0.4
Using wasmer 0.4.0 from source at `.`
Bundle complete! 6 Gemfile dependencies, 10 gems now installed.
Use `bundle info [gemname]` to see where a bundled gem is installed.
cargo build --release
   Compiling cfg-if v0.1.10
   Compiling semver-parser v0.7.0
   Compiling autocfg v1.0.0
   Compiling libc v0.2.67
   Compiling proc-macro2 v1.0.9
   Compiling unicode-xid v0.2.0
   Compiling cc v1.0.50
   Compiling syn v1.0.16
   Compiling typenum v1.11.2
   Compiling byteorder v1.3.4
   Compiling lazy_static v1.4.0
   Compiling maybe-uninit v2.0.0
   Compiling cranelift-entity v0.52.0
   Compiling smallvec v1.2.0
   Compiling cranelift-codegen-shared v0.52.0
   Compiling serde v1.0.104
   Compiling scopeguard v1.1.0
   Compiling target-lexicon v0.9.0
   Compiling bitflags v1.2.1
   Compiling log v0.4.8
   Compiling subtle v1.0.0
   Compiling arrayref v0.3.6
   Compiling constant_time_eq v0.1.5
   Compiling arrayvec v0.5.1
   Compiling rayon-core v1.7.0
   Compiling nix v0.15.0
   Compiling void v1.0.2
   Compiling wasmparser v0.45.2
   Compiling hex v0.4.2
   Compiling either v1.5.3
   Compiling rutie v0.7.0
   Compiling semver v0.9.0
   Compiling cranelift-bforest v0.52.0
   Compiling lock_api v0.3.3
   Compiling cranelift-codegen-meta v0.52.0
   Compiling crossbeam-utils v0.7.2
   Compiling crossbeam-epoch v0.8.2
   Compiling indexmap v1.3.2
   Compiling rustc_version v0.2.3
   Compiling quote v1.0.2
   Compiling memoffset v0.5.3
   Compiling generic-array v0.12.3
   Compiling smallvec v0.6.13
   Compiling num_cpus v1.12.0
   Compiling parking_lot_core v0.7.0
   Compiling page_size v0.4.2
   Compiling errno v0.2.4
   Compiling memmap v0.7.0
   Compiling crypto-mac v0.7.0
   Compiling digest v0.8.1
   Compiling blake3 v0.1.5
   Compiling raw-cpuid v7.0.3
   Compiling parking_lot v0.10.0
   Compiling crossbeam-queue v0.2.1
   Compiling serde-bench v0.0.7
   Compiling bincode v1.2.1
   Compiling serde_bytes v0.11.3
   Compiling crossbeam-deque v0.7.3
   Compiling rayon v1.3.0
   Compiling wasmer-runtime-core v0.14.1
   Compiling thiserror-impl v1.0.11
   Compiling serde_derive v1.0.104
   Compiling thiserror v1.0.11
    Building [================================================>      ] 100/112: cranelift-codegen-meta, serde_derive                                                                                                                                                          

   Compiling cranelift-codegen v0.52.0
   Compiling wasmer-clif-fork-frontend v0.52.0
   Compiling cranelift-native v0.52.0
   Compiling wasmer-clif-fork-wasm v0.52.0
   Compiling wasmer-clif-backend v0.14.1
   Compiling wasmer-runtime v0.14.1
   Compiling ruby-ext-wasm v0.4.0 (/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0)
error: `extern` fn uses type `instance::RubyInstance`, which is not FFI-safe
  --> src/instance/mod.rs:51:5
   |
51 |     RubyInstance,
   |     ^^^^^^^^^^^^ not FFI-safe
   |
note: the lint level is defined here
  --> src/lib.rs:1:9
   |
1  | #![deny(warnings)]
   |         ^^^^^^^^
   = note: `#[deny(improper_ctypes_definitions)]` implied by `#[deny(warnings)]`
   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
   = note: this struct has unspecified layout
note: the type is defined here
  --> src/instance/mod.rs:47:1
   |
47 | class!(RubyInstance);
   | ^^^^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `instance::RubyInstance`, which is not FFI-safe
  --> src/instance/mod.rs:51:5
   |
51 |     RubyInstance,
   |     ^^^^^^^^^^^^ not FFI-safe
   |
   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
   = note: this struct has unspecified layout
note: the type is defined here
  --> src/instance/mod.rs:47:1
   |
47 | class!(RubyInstance);
   | ^^^^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `instance::exports::RubyExportedFunctions`, which is not FFI-safe
   --> src/instance/exports.rs:178:5
    |
178 |     RubyExportedFunctions,
    |     ^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/instance/exports.rs:174:1
    |
174 | class!(RubyExportedFunctions);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `instance::exports::RubyExportedFunctions`, which is not FFI-safe
   --> src/instance/exports.rs:196:13
    |
196 |     itself: RubyExportedFunctions,
    |             ^^^^^^^^^^^^^^^^^^^^^ not FFI-safe
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/instance/exports.rs:174:1
    |
174 | class!(RubyExportedFunctions);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `rutie::AnyObject`, which is not FFI-safe
   --> src/instance/exports.rs:197:6
    |
197 | ) -> AnyObject {
    |      ^^^^^^^^^ not FFI-safe
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout

error: `extern` fn uses type `instance::globals::RubyExportedGlobals`, which is not FFI-safe
  --> src/instance/globals.rs:77:5
   |
77 |     RubyExportedGlobals,
   |     ^^^^^^^^^^^^^^^^^^^ not FFI-safe
   |
   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
   = note: this struct has unspecified layout
note: the type is defined here
  --> src/instance/globals.rs:73:1
   |
73 | class!(RubyExportedGlobals);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `instance::globals::RubyExportedGlobals`, which is not FFI-safe
  --> src/instance/globals.rs:95:13
   |
95 |     itself: RubyExportedGlobals,
   |             ^^^^^^^^^^^^^^^^^^^ not FFI-safe
   |
   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
   = note: this struct has unspecified layout
note: the type is defined here
  --> src/instance/globals.rs:73:1
   |
73 | class!(RubyExportedGlobals);
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `instance::globals::RubyExportedGlobal`, which is not FFI-safe
   --> src/instance/globals.rs:96:6
    |
96  | ) -> RubyExportedGlobal {
    |      ^^^^^^^^^^^^^^^^^^ not FFI-safe
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/instance/globals.rs:155:1
    |
155 | class!(RubyExportedGlobal);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `instance::globals::RubyExportedGlobal`, which is not FFI-safe
   --> src/instance/globals.rs:159:5
    |
159 |     RubyExportedGlobal,
    |     ^^^^^^^^^^^^^^^^^^ not FFI-safe
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/instance/globals.rs:155:1
    |
155 | class!(RubyExportedGlobal);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::RubyMemory`, which is not FFI-safe
  --> src/memory/mod.rs:77:5
   |
77 |     RubyMemory,
   |     ^^^^^^^^^^ not FFI-safe
   |
   = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
   = note: this struct has unspecified layout
note: the type is defined here
  --> src/memory/mod.rs:73:1
   |
73 | class!(RubyMemory);
   | ^^^^^^^^^^^^^^^^^^^
   = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `module::Module`, which is not FFI-safe
 --> src/module.rs:7:5
  |
7 |     Module,
  |     ^^^^^^ not FFI-safe
  |
  = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
  = note: this struct has unspecified layout
note: the type is defined here
 --> src/module.rs:4:1
  |
4 | class!(Module);
  | ^^^^^^^^^^^^^^^
  = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::view::uint8array::RubyMemoryView`, which is not FFI-safe
   --> src/memory/view.rs:90:17
    |
90  |                 RubyMemoryView,
    |                 ^^^^^^^^^^^^^^ not FFI-safe
...
140 | memory_view!(uint8array over u8|1);
    | ----------------------------------- in this macro invocation
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/memory/view.rs:140:1
    |
140 | memory_view!(uint8array over u8|1);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::view::int8array::RubyMemoryView`, which is not FFI-safe
   --> src/memory/view.rs:90:17
    |
90  |                 RubyMemoryView,
    |                 ^^^^^^^^^^^^^^ not FFI-safe
...
141 | memory_view!(int8array over i8|1);
    | ---------------------------------- in this macro invocation
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/memory/view.rs:141:1
    |
141 | memory_view!(int8array over i8|1);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::view::uint16array::RubyMemoryView`, which is not FFI-safe
   --> src/memory/view.rs:90:17
    |
90  |                 RubyMemoryView,
    |                 ^^^^^^^^^^^^^^ not FFI-safe
...
142 | memory_view!(uint16array over u16|2);
    | ------------------------------------- in this macro invocation
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/memory/view.rs:142:1
    |
142 | memory_view!(uint16array over u16|2);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::view::int16array::RubyMemoryView`, which is not FFI-safe
   --> src/memory/view.rs:90:17
    |
90  |                 RubyMemoryView,
    |                 ^^^^^^^^^^^^^^ not FFI-safe
...
143 | memory_view!(int16array over i16|2);
    | ------------------------------------ in this macro invocation
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/memory/view.rs:143:1
    |
143 | memory_view!(int16array over i16|2);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::view::uint32array::RubyMemoryView`, which is not FFI-safe
   --> src/memory/view.rs:90:17
    |
90  |                 RubyMemoryView,
    |                 ^^^^^^^^^^^^^^ not FFI-safe
...
144 | memory_view!(uint32array over u32|4);
    | ------------------------------------- in this macro invocation
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/memory/view.rs:144:1
    |
144 | memory_view!(uint32array over u32|4);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: `extern` fn uses type `memory::view::int32array::RubyMemoryView`, which is not FFI-safe
   --> src/memory/view.rs:90:17
    |
90  |                 RubyMemoryView,
    |                 ^^^^^^^^^^^^^^ not FFI-safe
...
145 | memory_view!(int32array over i32|4);
    | ------------------------------------ in this macro invocation
    |
    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
    = note: this struct has unspecified layout
note: the type is defined here
   --> src/memory/view.rs:145:1
    |
145 | memory_view!(int32array over i32|4);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)

error: aborting due to 17 previous errors

error: could not compile `ruby-ext-wasm`.

To learn more, run the command again with --verbose.
rake aborted!
Command failed with status (101): [cargo build --release...]

Tasks: TOP => default => test => build_lib
(See full trace by running task with --trace)
ERROR:  Error installing wasmer:
    ERROR: Failed to build gem native extension.

    current directory: /home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0
/home/nam/.rbenv/versions/2.6.6/bin/ruby -rrubygems /home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/rake-13.0.1/exe/rake RUBYARCHDIR\=/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/extensions/x86_64-linux/2.6.0/wasmer-0.4.0 RUBYLIBDIR\=/home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/extensions/x86_64-linux/2.6.0/wasmer-0.4.0
Building has failed. See above output for more information on the failure.
rake failed, exit code 1

Gem files will remain installed in /home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/gems/wasmer-0.4.0 for inspection.
Results logged to /home/nam/.rbenv/versions/2.6.6/lib/ruby/gems/2.6.0/extensions/x86_64-linux/2.6.0/wasmer-0.4.0/gem_make.out