Error in install: error in pak subprocess

[mmc46]

natmanager::install(pkgs = "natverse/neuprintr")
✔ Updated metadata database: 5.60 MB in 10 files.                          
✔ Updating metadata database ... done                                      

→ Will update 1 package.
→ Will download 1 package with unknown size.
+ neuprintr 1.3.2.9000 → 1.3.2.9000 👷🔧 ⬇ (GitHub: a6b57e6)
? Do you want to continue (Y/n) y
ℹ Getting 1 pkg with unknown size
✔ Got neuprintr 1.3.2.9000 (source) (4.00 MB)                
✔ Downloaded 1 package (4.00 MB) in 1.8s                     
ℹ Packaging neuprintr 1.3.2.9000
✔ Packaged neuprintr 1.3.2.9000 (5.8s)                               
ℹ Building neuprintr 1.3.2.9000                                      
✔ Built neuprintr 1.3.2.9000 (6.5s)                                  
Error:                                                                 
! error in pak subprocess
Caused by error in `filelock::lock(lockfile)`:
! Cannot open lock file: Permission denied
Type .Last.error to see the more details.
> .Last.error
<callr_error/rlib_error_3_0/rlib_error/error>
Error: 
! error in pak subprocess
Caused by error in `filelock::lock(lockfile)`:
! Cannot open lock file: Permission denied
---
Backtrace:
1. natmanager::install(pkgs = "natverse/neuprintr")
2. pak::pkg_install(repos, upgrade = upgrade.dependencies, dependencies = dependenc…
3. pak:::remote(function(...) get("pkg_install_do_plan", asNamespace("pak"))(...), …
4. err$throw(res$error)
---
Subprocess backtrace:
 1. base::withCallingHandlers(cli_message = function(msg) { …
 2. get("pkg_install_do_plan", asNamespace("pak"))(...)
 3. proposal$install()
 4. pkgdepends::install_package_plan(plan, lib = private$library, num_workers = nw, …
 5. base::withCallingHandlers({ …
 6. pkgdepends:::handle_events(state, events)
 7. pkgdepends:::handle_event(state, i)
 8. proc$get_result()
 9. processx:::process_get_result(self, private)
10. private$post_process()
11. pkgdepends:::install_extracted_binary(filename, lib_cache, pkg_cache, lib, …
12. pkgdepends:::lock_cache(lib_cache, pkg_name, getOption("install.lock"))
13. filelock::lock(lockfile)
14. base::.handleSimpleError(function (e) …
15. global h(simpleError(msg, call))

[mmc46]

Fixed by

natmanager::install(pkgs = "natverse/neuprintr", method = "remotes")

[jefferis]

Thanks for the report. I have yet to figure out if there is any particular logic to when this issue comes up, but experience since switching from remotes to pak suggests that pak is faster when it works but a little flakier.