[INFO] updating cached repository https://github.com/edouardmenayde/dead-link-checker
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fc7b6be069efd375b142a561d88dc1655d2d9b6
[INFO] checking edouardmenayde/dead-link-checker against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedouardmenayde%2Fdead-link-checker" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edouardmenayde/dead-link-checker on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/edouardmenayde/dead-link-checker
[INFO] finished tweaking git repo https://github.com/edouardmenayde/dead-link-checker
[INFO] tweaked toml for git repo https://github.com/edouardmenayde/dead-link-checker written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/edouardmenayde/dead-link-checker already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b657e61e68ce2da37bc33f671acc03c94976c3988144ab43354b98421974064b
[INFO] running `"docker" "start" "-a" "b657e61e68ce2da37bc33f671acc03c94976c3988144ab43354b98421974064b"`
[INFO] [stderr]     Checking reqwest v0.9.4
[INFO] [stderr]     Checking dead-link-checker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use core::fmt;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:194:11
[INFO] [stderr]     |
[INFO] [stderr] 194 |       for mut link in links {
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unreachable`
[INFO] [stderr]   --> src/main.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Unreachable,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 | /                     tx.send(Response {
[INFO] [stderr] 76 | |                       processed_link: url,
[INFO] [stderr] 77 | |                       extracted_links: Some(links),
[INFO] [stderr] 78 | |                       status: ResponseStatus::Ok,
[INFO] [stderr] 79 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 | /                     tx.send(Response {
[INFO] [stderr] 83 | |                       processed_link: url,
[INFO] [stderr] 84 | |                       status: ResponseStatus::Err(res.status()),
[INFO] [stderr] 85 | |                       extracted_links: None,
[INFO] [stderr] 86 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::fmt`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 | use core::fmt;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:194:11
[INFO] [stderr]     |
[INFO] [stderr] 194 |       for mut link in links {
[INFO] [stderr]     |           ----^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Unreachable`
[INFO] [stderr]   --> src/main.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   Unreachable,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:75:21
[INFO] [stderr]    |
[INFO] [stderr] 75 | /                     tx.send(Response {
[INFO] [stderr] 76 | |                       processed_link: url,
[INFO] [stderr] 77 | |                       extracted_links: Some(links),
[INFO] [stderr] 78 | |                       status: ResponseStatus::Ok,
[INFO] [stderr] 79 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:82:21
[INFO] [stderr]    |
[INFO] [stderr] 82 | /                     tx.send(Response {
[INFO] [stderr] 83 | |                       processed_link: url,
[INFO] [stderr] 84 | |                       status: ResponseStatus::Err(res.status()),
[INFO] [stderr] 85 | |                       extracted_links: None,
[INFO] [stderr] 86 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.24s
[INFO] running `"docker" "inspect" "b657e61e68ce2da37bc33f671acc03c94976c3988144ab43354b98421974064b"`
[INFO] running `"docker" "rm" "-f" "b657e61e68ce2da37bc33f671acc03c94976c3988144ab43354b98421974064b"`
[INFO] [stdout] b657e61e68ce2da37bc33f671acc03c94976c3988144ab43354b98421974064b