crates.io: breakage

[abonander]

Prerequisites

• [X] This is NOT a YouTube, Facebook, Twitch or a shortener/hosting site report. These sites MUST be reported by clicking their respective links.
• [X] I read and understand the policy about what is a valid filter issue.
• [X] I verified that this issue is not a duplicate. (Use this button to find out.)
• [X] I did not remove any of the default filter lists, or I have verified that the issue was not caused by removing any of the default lists.
• [X] I did not enable additional filter lists, or I have verified that the issue still occurs without enabling additional filter lists.
• [X] I do not have custom filters/rules, or I have verified that the issue still occurs without custom filters/rules.
• [X] I am not using uBlock Origin along with other content blockers.
• [X] I have verified that the web browser's built-in content blocker/tracking protection, network wide/DNS blocking, or my VPN is not causing the issue.
• [X] I have verified that other extensions are not causing the issue.
• [X] If this is about a breakage or detection, I have verified that it is caused by uBlock Origin and isn't a site issue.
• [ ] I did not answer truthfully to ALL the above checkboxes.

URL address of the web page

https://crates.io/crates/metrics

Category

breakage

Description

More context here: https://github.com/metrics-rs/metrics/issues/539#issuecomment-2452468431

uBlock Origin is blocking a request because the URL contains /metrics/metrics even though it's not in the list of domains that the filter should match. Because the request for the README content fails, crates.io thinks it does not exist and thus says "appears to have no README.md". I'll be reporting that as a bug to crates.io as well.

Other extensions used

Reddit Enhancement Suite Firefox Multi-Account Containers

Screenshot(s)

Screenshot(s)

   What SHOULD be shown (after disabling uBlock Origin): 

Configuration

```yaml uBlock Origin: 1.60.0 Firefox: 131 filterset (summary): network: 139820 cosmetic: 48938 scriptlet: 21319 html: 2055 listset (total-discarded, last-updated): default: user-filters: 0-0, never ublock-filters: 40809-132, now ublock-badware: 11804-6, now ublock-privacy: 1383-22, now ublock-unbreak: 2556-1, now ublock-quick-fixes: 242-10, now easylist: 80340-198, now easyprivacy: 53227-63, now urlhaus-1: 19800-0, now plowe-0: 3542-998, now filterset (user): [empty] trustedset: added: [array of 2 redacted] userSettings: [none] hiddenSettings: [none] supportStats: allReadyAfter: 1234 ms maxAssetCacheWait: 268 ms cacheBackend: indexedDB popupPanel: blocked: 1 network: crates.io: 1 ```

[abonander]

I thought it could end up matching one of the domains if static.crates.io had a CNAME record for one of them, but this does not appear to be the case:

$ dig static.crates.io

; <<>> DiG 9.18.28-0ubuntu0.24.04.1-Ubuntu <<>> static.crates.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45753
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;static.crates.io.      IN  A

;; ANSWER SECTION:
static.crates.io.   300 IN  CNAME   fastly-static.crates.io.
fastly-static.crates.io. 60 IN  CNAME   dualstack.k.sni.global.fastly.net.
dualstack.k.sni.global.fastly.net. 8 IN A   151.101.42.137

;; Query time: 125 msec
;; SERVER: 127.0.0.53#53(127.0.0.53) (UDP)
;; WHEN: Fri Nov 01 12:45:41 PDT 2024
;; MSG SIZE  rcvd: 136

[gorhill]

Caused by EasyPrivacy's /metrics/metrics$from=....

Need to add ~crates.io to the list of excluded domains.

cc @ryanbr

[abonander]

Oh I see, that's the list of domains to exclude, yeah.