[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#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbingli224%2Frust_test_thrd_mutex" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/bingli224/rust_test_thrd_mutex on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-5/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 23c199916fed9e0ad20e4026bbd3ab8306acd5984bb916e3b1f8c6eda43b44c3 [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" "23c199916fed9e0ad20e4026bbd3ab8306acd5984bb916e3b1f8c6eda43b44c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "23c199916fed9e0ad20e4026bbd3ab8306acd5984bb916e3b1f8c6eda43b44c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23c199916fed9e0ad20e4026bbd3ab8306acd5984bb916e3b1f8c6eda43b44c3", kill_on_drop: false }` [INFO] [stdout] 23c199916fed9e0ad20e4026bbd3ab8306acd5984bb916e3b1f8c6eda43b44c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8f6c659dcb43a9b81e0c06d8866b8dbc561eea3227da7a834fb46d69b2829c55 [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" "8f6c659dcb43a9b81e0c06d8866b8dbc561eea3227da7a834fb46d69b2829c55", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.62 [INFO] [stderr] Compiling getrandom v0.1.10 [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] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.81s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8f6c659dcb43a9b81e0c06d8866b8dbc561eea3227da7a834fb46d69b2829c55", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8f6c659dcb43a9b81e0c06d8866b8dbc561eea3227da7a834fb46d69b2829c55", kill_on_drop: false }` [INFO] [stdout] 8f6c659dcb43a9b81e0c06d8866b8dbc561eea3227da7a834fb46d69b2829c55