[INFO] cloning repository https://github.com/hanya/mozcdic_ut_rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hanya/mozcdic_ut_rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanya%2Fmozcdic_ut_rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanya%2Fmozcdic_ut_rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9e133b623ccb371136c77bd1e1a1f84c80967fbf
[INFO] checking hanya/mozcdic_ut_rs against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhanya%2Fmozcdic_ut_rs" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hanya/mozcdic_ut_rs
[INFO] finished tweaking git repo https://github.com/hanya/mozcdic_ut_rs
[INFO] tweaked toml for git repo https://github.com/hanya/mozcdic_ut_rs written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hanya/mozcdic_ut_rs on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hanya/mozcdic_ut_rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3abe8fa6deecc5a1ffe855bad70ca241d88e54df10e16f21e6b0dfa1a4450b08
[INFO] running `Command { std: "docker" "start" "-a" "3abe8fa6deecc5a1ffe855bad70ca241d88e54df10e16f21e6b0dfa1a4450b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3abe8fa6deecc5a1ffe855bad70ca241d88e54df10e16f21e6b0dfa1a4450b08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3abe8fa6deecc5a1ffe855bad70ca241d88e54df10e16f21e6b0dfa1a4450b08", kill_on_drop: false }`
[INFO] [stdout] 3abe8fa6deecc5a1ffe855bad70ca241d88e54df10e16f21e6b0dfa1a4450b08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c82fb79b43e7b8a65121a8d575ef050fb628a134c9a8dd0f1f0b71fef22cd2f
[INFO] running `Command { std: "docker" "start" "-a" "8c82fb79b43e7b8a65121a8d575ef050fb628a134c9a8dd0f1f0b71fef22cd2f", kill_on_drop: false }`
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking tinyvec v1.5.0
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking rayon v1.5.1
[INFO] [stderr]     Checking bzip2-rs v0.1.2 (https://github.com/paolobarbolini/bzip2-rs#5c31f26d)
[INFO] [stderr]     Checking mozcdic_ut_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/costs.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for mut entry in entries.iter_mut() {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/costs.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     for mut entry in entries.iter_mut() {
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/jawiki_article.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     let article = s.clone();
[INFO] [stdout]     |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/jawiki_article.rs:309:44
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     let ids_ = ids.as_str().clone();
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/jawiki_article.rs:308:36
[INFO] [stdout]     |
[INFO] [stdout] 308 |                     let article = s.clone();
[INFO] [stdout]     |                                    ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/jawiki_article.rs:309:44
[INFO] [stdout]     |
[INFO] [stdout] 309 |                     let ids_ = ids.as_str().clone();
[INFO] [stdout]     |                                            ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `str` does not implement `Clone`, so calling `clone` on `&str` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "8c82fb79b43e7b8a65121a8d575ef050fb628a134c9a8dd0f1f0b71fef22cd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c82fb79b43e7b8a65121a8d575ef050fb628a134c9a8dd0f1f0b71fef22cd2f", kill_on_drop: false }`
[INFO] [stdout] 8c82fb79b43e7b8a65121a8d575ef050fb628a134c9a8dd0f1f0b71fef22cd2f