[INFO] updating cached repository https://github.com/seven-two-eight/fuzzy-match
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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] 02e76c597369dd4302354b6d65e0f503109d5970
[INFO] checking seven-two-eight/fuzzy-match against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fseven-two-eight%2Ffuzzy-match" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/seven-two-eight/fuzzy-match on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/seven-two-eight/fuzzy-match
[INFO] finished tweaking git repo https://github.com/seven-two-eight/fuzzy-match
[INFO] tweaked toml for git repo https://github.com/seven-two-eight/fuzzy-match written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/seven-two-eight/fuzzy-match already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9ffaf58471e0a2f4b95faa4c04f126159f4dafad577cf3d9a6dba99c3afd6454
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "9ffaf58471e0a2f4b95faa4c04f126159f4dafad577cf3d9a6dba99c3afd6454"`
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]    Compiling syn v0.15.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling stdweb-derive v0.5.0
[INFO] [stderr]     Checking stdweb v0.4.9
[INFO] [stderr]     Checking fuzzy-match v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/marks.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 write!(f, "    ");
[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]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/marks.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 write!(f, "{:<4.4}", record_id);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/web_ui.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 | /     select( &format!(".{}", CLASS_OPEN_TAB) )
[INFO] [stderr] 262 | |         .set_attribute("class", CLASS_CLOSED_TAB).is_ok();
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/web_ui.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     tab.set_attribute("class", CLASS_OPEN_TAB).is_ok();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/marks.rs:95:17
[INFO] [stderr]    |
[INFO] [stderr] 95 |                 write!(f, "    ");
[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]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/marks.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |                 write!(f, "{:<4.4}", record_id);
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/web_ui.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 | /     select( &format!(".{}", CLASS_OPEN_TAB) )
[INFO] [stderr] 262 | |         .set_attribute("class", CLASS_CLOSED_TAB).is_ok();
[INFO] [stderr]     | |__________________________________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `std::result::Result::<T, E>::is_ok` that must be used
[INFO] [stderr]    --> src/web_ui.rs:263:5
[INFO] [stderr]     |
[INFO] [stderr] 263 |     tab.set_attribute("class", CLASS_OPEN_TAB).is_ok();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: if you intended to assert that this is ok, consider `.unwrap()` instead
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.99s
[INFO] running `"docker" "inspect" "9ffaf58471e0a2f4b95faa4c04f126159f4dafad577cf3d9a6dba99c3afd6454"`
[INFO] running `"docker" "rm" "-f" "9ffaf58471e0a2f4b95faa4c04f126159f4dafad577cf3d9a6dba99c3afd6454"`
[INFO] [stdout] 9ffaf58471e0a2f4b95faa4c04f126159f4dafad577cf3d9a6dba99c3afd6454