[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 try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[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 eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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-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" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] 09d7114df2581efcb915c40504fa9f53deb556b411584179e2c9803a4dbad31d
[INFO] running `Command { std: "docker" "start" "-a" "09d7114df2581efcb915c40504fa9f53deb556b411584179e2c9803a4dbad31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09d7114df2581efcb915c40504fa9f53deb556b411584179e2c9803a4dbad31d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09d7114df2581efcb915c40504fa9f53deb556b411584179e2c9803a4dbad31d", kill_on_drop: false }`
[INFO] [stdout] 09d7114df2581efcb915c40504fa9f53deb556b411584179e2c9803a4dbad31d
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4633656ef929e73b7f8f5bf9c640f8a33ef8b1bd2ffaaa44ff4aedec3c5abd4
[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" "d4633656ef929e73b7f8f5bf9c640f8a33ef8b1bd2ffaaa44ff4aedec3c5abd4", 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 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 9.15s
[INFO] running `Command { std: "docker" "inspect" "d4633656ef929e73b7f8f5bf9c640f8a33ef8b1bd2ffaaa44ff4aedec3c5abd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4633656ef929e73b7f8f5bf9c640f8a33ef8b1bd2ffaaa44ff4aedec3c5abd4", kill_on_drop: false }`
[INFO] [stdout] d4633656ef929e73b7f8f5bf9c640f8a33ef8b1bd2ffaaa44ff4aedec3c5abd4
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 372a3c074f583e0bbbfcd491d394d3ed796a6588c2b1fe2bb1d49491c3b249c5
[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" "372a3c074f583e0bbbfcd491d394d3ed796a6588c2b1fe2bb1d49491c3b249c5", 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 1.13s
[INFO] running `Command { std: "docker" "inspect" "372a3c074f583e0bbbfcd491d394d3ed796a6588c2b1fe2bb1d49491c3b249c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372a3c074f583e0bbbfcd491d394d3ed796a6588c2b1fe2bb1d49491c3b249c5", kill_on_drop: false }`
[INFO] [stdout] 372a3c074f583e0bbbfcd491d394d3ed796a6588c2b1fe2bb1d49491c3b249c5
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da1a0822ab167946cd5fd61e824409eee2ec0604a0bff9fea7200b6b8b23e02c
[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" "da1a0822ab167946cd5fd61e824409eee2ec0604a0bff9fea7200b6b8b23e02c", kill_on_drop: false }`
[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 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/pulling_game-93c3187c9adba2c2
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "da1a0822ab167946cd5fd61e824409eee2ec0604a0bff9fea7200b6b8b23e02c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da1a0822ab167946cd5fd61e824409eee2ec0604a0bff9fea7200b6b8b23e02c", kill_on_drop: false }`
[INFO] [stdout] da1a0822ab167946cd5fd61e824409eee2ec0604a0bff9fea7200b6b8b23e02c