[INFO] cloning repository https://github.com/kotobukid/mutex_practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kotobukid/mutex_practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2Fmutex_practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2Fmutex_practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4799413375f6bee275fc8d2bf155270742f5f150
[INFO] checking kotobukid/mutex_practice against master#779e19d8baa3e3625bd4fc5c85cbb2ad47b43155 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2Fmutex_practice" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kotobukid/mutex_practice
[INFO] finished tweaking git repo https://github.com/kotobukid/mutex_practice
[INFO] tweaked toml for git repo https://github.com/kotobukid/mutex_practice written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kotobukid/mutex_practice on toolchain 779e19d8baa3e3625bd4fc5c85cbb2ad47b43155
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kotobukid/mutex_practice 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" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.44
[INFO] [stderr]   Downloaded async-trait v0.1.72
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[INFO] [stderr]   Downloaded tokio-tungstenite v0.19.0
[INFO] [stderr]   Downloaded axum v0.6.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 834a2d3fde31b91cee4e8795732709c2062f38d986a396b48501fb5c30f1923a
[INFO] running `Command { std: "docker" "start" "-a" "834a2d3fde31b91cee4e8795732709c2062f38d986a396b48501fb5c30f1923a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "834a2d3fde31b91cee4e8795732709c2062f38d986a396b48501fb5c30f1923a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834a2d3fde31b91cee4e8795732709c2062f38d986a396b48501fb5c30f1923a", kill_on_drop: false }`
[INFO] [stdout] 834a2d3fde31b91cee4e8795732709c2062f38d986a396b48501fb5c30f1923a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+779e19d8baa3e3625bd4fc5c85cbb2ad47b43155" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5454571fee443eb0852f11a57dec82b171565608af1a87160fda2a17fa060102
[INFO] running `Command { std: "docker" "start" "-a" "5454571fee443eb0852f11a57dec82b171565608af1a87160fda2a17fa060102", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]    Compiling tokio v1.29.1
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[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling serde v1.0.178
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling async-trait v0.1.72
[INFO] [stderr]     Checking cpufeatures v0.2.9
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]    Compiling axum-core v0.3.4
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking data-encoding v2.4.0
[INFO] [stderr]     Checking want v0.3.1
[INFO] [stderr]    Compiling axum v0.6.19
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[INFO] [stderr]     Checking tracing v0.1.37
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[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.14
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]    Compiling pin-project-internal v1.1.2
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[INFO] [stderr]     Checking state v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut state2 = shared_states.state2.lock().unwrap();
[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/main.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |     let mut state2 = shared_states.state2.lock().unwrap();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.51s
[INFO] running `Command { std: "docker" "inspect" "5454571fee443eb0852f11a57dec82b171565608af1a87160fda2a17fa060102", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5454571fee443eb0852f11a57dec82b171565608af1a87160fda2a17fa060102", kill_on_drop: false }`
[INFO] [stdout] 5454571fee443eb0852f11a57dec82b171565608af1a87160fda2a17fa060102