[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] testing bingli224/rust_test_thrd_mutex against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbingli224%2Frust_test_thrd_mutex" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bingli224/rust_test_thrd_mutex on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", 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] b71fa905fbe9d1de4e16abb6ccc1251ca567fe5ca4eb257b53be2e3749d8b835
[INFO] running `Command { std: "docker" "start" "-a" "b71fa905fbe9d1de4e16abb6ccc1251ca567fe5ca4eb257b53be2e3749d8b835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b71fa905fbe9d1de4e16abb6ccc1251ca567fe5ca4eb257b53be2e3749d8b835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b71fa905fbe9d1de4e16abb6ccc1251ca567fe5ca4eb257b53be2e3749d8b835", kill_on_drop: false }`
[INFO] [stdout] b71fa905fbe9d1de4e16abb6ccc1251ca567fe5ca4eb257b53be2e3749d8b835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 747f894daa09253680328d8afe7d89499311e396eb04754abbff7de984996a58
[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" "747f894daa09253680328d8afe7d89499311e396eb04754abbff7de984996a58", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling pulling_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.78s
[INFO] running `Command { std: "docker" "inspect" "747f894daa09253680328d8afe7d89499311e396eb04754abbff7de984996a58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747f894daa09253680328d8afe7d89499311e396eb04754abbff7de984996a58", kill_on_drop: false }`
[INFO] [stdout] 747f894daa09253680328d8afe7d89499311e396eb04754abbff7de984996a58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--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] dc47b8c675497f7acf62acbd30d5b6325ce44bb1ee3d164756fb0d80dba48d88
[INFO] running `Command { std: "docker" "start" "-a" "dc47b8c675497f7acf62acbd30d5b6325ce44bb1ee3d164756fb0d80dba48d88", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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 test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "dc47b8c675497f7acf62acbd30d5b6325ce44bb1ee3d164756fb0d80dba48d88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc47b8c675497f7acf62acbd30d5b6325ce44bb1ee3d164756fb0d80dba48d88", kill_on_drop: false }`
[INFO] [stdout] dc47b8c675497f7acf62acbd30d5b6325ce44bb1ee3d164756fb0d80dba48d88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d99d88006988a3ecc8f21e44a88b1f8cdaad8f4257c0a43f8a3ea193c405cf74
[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" "d99d88006988a3ecc8f21e44a88b1f8cdaad8f4257c0a43f8a3ea193c405cf74", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused imports: `io::Write`, `io::stdout`, `thread::sleep`, `time::Duration`
[INFO] [stderr]   --> src/test.rs:10:13
[INFO] [stderr]    |
[INFO] [stderr] 10 |             thread::sleep,
[INFO] [stderr]    |             ^^^^^^^^^^^^^
[INFO] [stderr] 11 |             time::Duration,
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr] 12 | 
[INFO] [stderr] 13 |             io::Write,
[INFO] [stderr]    |             ^^^^^^^^^
[INFO] [stderr] 14 |             io::stdout,
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::Rng`
[INFO] [stderr]   --> src/test.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     use rand::Rng;
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.61s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pulling_game-eca6ec9173746214)
[INFO] [stdout] running 1 test
[INFO] [stdout] test test::tests::test_play ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 14.76s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d99d88006988a3ecc8f21e44a88b1f8cdaad8f4257c0a43f8a3ea193c405cf74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d99d88006988a3ecc8f21e44a88b1f8cdaad8f4257c0a43f8a3ea193c405cf74", kill_on_drop: false }`
[INFO] [stdout] d99d88006988a3ecc8f21e44a88b1f8cdaad8f4257c0a43f8a3ea193c405cf74