[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#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkotobukid%2Fmutex_practice" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kotobukid/mutex_practice on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded matchit v0.7.1 [INFO] [stderr] Downloaded axum v0.6.19 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0aafe7423f77df6b7e1016d8e9ed7282b5837cf31f75ef67b66e40e923ca2f4d [INFO] running `Command { std: "docker" "start" "-a" "0aafe7423f77df6b7e1016d8e9ed7282b5837cf31f75ef67b66e40e923ca2f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0aafe7423f77df6b7e1016d8e9ed7282b5837cf31f75ef67b66e40e923ca2f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0aafe7423f77df6b7e1016d8e9ed7282b5837cf31f75ef67b66e40e923ca2f4d", kill_on_drop: false }` [INFO] [stdout] 0aafe7423f77df6b7e1016d8e9ed7282b5837cf31f75ef67b66e40e923ca2f4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2910cfbc34549f8b5916e75ebe842614152956fc41761911d3c6e14109971156 [INFO] running `Command { std: "docker" "start" "-a" "2910cfbc34549f8b5916e75ebe842614152956fc41761911d3c6e14109971156", kill_on_drop: false }` [INFO] [stderr] Checking pin-project-lite v0.2.10 [INFO] [stderr] Checking bytes v1.4.0 [INFO] [stderr] Compiling typenum v1.16.0 [INFO] [stderr] Compiling quote v1.0.32 [INFO] [stderr] Compiling slab v0.4.8 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling tokio v1.29.1 [INFO] [stderr] Checking log v0.4.19 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Compiling serde v1.0.178 [INFO] [stderr] Compiling syn v2.0.27 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Compiling thiserror v1.0.44 [INFO] [stderr] Compiling async-trait v0.1.72 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking cpufeatures v0.2.9 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking data-encoding v2.4.0 [INFO] [stderr] Compiling serde_json v1.0.104 [INFO] [stderr] Checking url v2.4.0 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking generic-array v0.14.7 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Compiling axum v0.6.19 [INFO] [stderr] Checking base64 v0.21.2 [INFO] [stderr] Checking matchit v0.7.1 [INFO] [stderr] Checking block-buffer v0.10.4 [INFO] [stderr] Checking crypto-common v0.1.6 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking sha1 v0.10.5 [INFO] [stderr] Checking serde_path_to_error v0.1.14 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [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 [INFO] [stderr] Checking axum-core v0.3.4 [INFO] [stderr] Checking pin-project v1.1.2 [INFO] [stderr] Checking tungstenite v0.19.0 [INFO] [stderr] Checking tokio-util v0.7.8 [INFO] [stderr] Checking tokio-tungstenite v0.19.0 [INFO] [stderr] Checking tower v0.4.13 [INFO] [stderr] Checking h2 v0.3.20 [INFO] [stderr] Checking hyper v0.14.27 [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)]` 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)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 46.00s [INFO] running `Command { std: "docker" "inspect" "2910cfbc34549f8b5916e75ebe842614152956fc41761911d3c6e14109971156", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2910cfbc34549f8b5916e75ebe842614152956fc41761911d3c6e14109971156", kill_on_drop: false }` [INFO] [stdout] 2910cfbc34549f8b5916e75ebe842614152956fc41761911d3c6e14109971156