[INFO] cloning repository https://github.com/bingli224/rust_test_thrd_mutex [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bingli224/rust_test_thrd_mutex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbingli224%2Frust_test_thrd_mutex", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbingli224%2Frust_test_thrd_mutex'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a91c5820af426871ea424b0e92f70eb39f3b3c2f [INFO] checking bingli224/rust_test_thrd_mutex against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbingli224%2Frust_test_thrd_mutex" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bingli224/rust_test_thrd_mutex on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/bingli224/rust_test_thrd_mutex [INFO] finished tweaking git repo https://github.com/bingli224/rust_test_thrd_mutex [INFO] tweaked toml for git repo https://github.com/bingli224/rust_test_thrd_mutex written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/bingli224/rust_test_thrd_mutex already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "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" "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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4c8b1eb299f70653540dc4a2b03b019fe86bc19b21a6ae42c10306d158e8adce [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "4c8b1eb299f70653540dc4a2b03b019fe86bc19b21a6ae42c10306d158e8adce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4c8b1eb299f70653540dc4a2b03b019fe86bc19b21a6ae42c10306d158e8adce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c8b1eb299f70653540dc4a2b03b019fe86bc19b21a6ae42c10306d158e8adce", kill_on_drop: false }` [INFO] [stdout] 4c8b1eb299f70653540dc4a2b03b019fe86bc19b21a6ae42c10306d158e8adce [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 5e4c4707d76b6b7aaaebe334d53b5c51abdff3cac727b13f4347b86e3e921c52 [INFO] running `Command { std: "docker" "start" "-a" "5e4c4707d76b6b7aaaebe334d53b5c51abdff3cac727b13f4347b86e3e921c52", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.10 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking c2-chacha v0.2.2 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Checking rand v0.7.0 [INFO] [stderr] Checking pulling_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `io::Write`, `io::stdout`, `thread::sleep`, `time::Duration` [INFO] [stdout] --> src/test.rs:10:13 [INFO] [stdout] | [INFO] [stdout] 10 | thread::sleep, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] 11 | time::Duration, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 12 | [INFO] [stdout] 13 | io::Write, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 14 | io::stdout, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/test.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.84s [INFO] running `Command { std: "docker" "inspect" "5e4c4707d76b6b7aaaebe334d53b5c51abdff3cac727b13f4347b86e3e921c52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e4c4707d76b6b7aaaebe334d53b5c51abdff3cac727b13f4347b86e3e921c52", kill_on_drop: false }` [INFO] [stdout] 5e4c4707d76b6b7aaaebe334d53b5c51abdff3cac727b13f4347b86e3e921c52