[INFO] fetching crate arcmutex 0.2.0... [INFO] testing arcmutex-0.2.0 against 1.55.0 for beta-1.56-1 [INFO] extracting crate arcmutex 0.2.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate arcmutex 0.2.0 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate arcmutex 0.2.0 [INFO] finished tweaking crates.io crate arcmutex 0.2.0 [INFO] tweaked toml for crates.io crate arcmutex 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] aee5763eafb899d169a604ce994065fe6b7575ca1c4ba2921fad0f2e0185a506 [INFO] running `Command { std: "docker" "start" "-a" "aee5763eafb899d169a604ce994065fe6b7575ca1c4ba2921fad0f2e0185a506", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "aee5763eafb899d169a604ce994065fe6b7575ca1c4ba2921fad0f2e0185a506", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aee5763eafb899d169a604ce994065fe6b7575ca1c4ba2921fad0f2e0185a506", kill_on_drop: false }` [INFO] [stdout] aee5763eafb899d169a604ce994065fe6b7575ca1c4ba2921fad0f2e0185a506 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7148b96f4253cf6948418253afbe3307e5b9a02646541a1d132189de5827f608 [INFO] running `Command { std: "docker" "start" "-a" "7148b96f4253cf6948418253afbe3307e5b9a02646541a1d132189de5827f608", kill_on_drop: false }` [INFO] [stderr] Compiling arcmutex v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.71s [INFO] running `Command { std: "docker" "inspect" "7148b96f4253cf6948418253afbe3307e5b9a02646541a1d132189de5827f608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7148b96f4253cf6948418253afbe3307e5b9a02646541a1d132189de5827f608", kill_on_drop: false }` [INFO] [stdout] 7148b96f4253cf6948418253afbe3307e5b9a02646541a1d132189de5827f608 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aabb776e7d7ea2a38550835604c4214d640c164ba8f005e72f2cac1d7f839d0a [INFO] running `Command { std: "docker" "start" "-a" "aabb776e7d7ea2a38550835604c4214d640c164ba8f005e72f2cac1d7f839d0a", kill_on_drop: false }` [INFO] [stderr] Compiling arcmutex v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] running `Command { std: "docker" "inspect" "aabb776e7d7ea2a38550835604c4214d640c164ba8f005e72f2cac1d7f839d0a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aabb776e7d7ea2a38550835604c4214d640c164ba8f005e72f2cac1d7f839d0a", kill_on_drop: false }` [INFO] [stdout] aabb776e7d7ea2a38550835604c4214d640c164ba8f005e72f2cac1d7f839d0a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8fc7f257860e24a7522051a253e21df6fdfc237e4dfddc342c8d1c74e23510a5 [INFO] running `Command { std: "docker" "start" "-a" "8fc7f257860e24a7522051a253e21df6fdfc237e4dfddc342c8d1c74e23510a5", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/arcmutex-8c73b3465e09a39b) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/lib.rs (/opt/rustwide/target/debug/deps/lib-c917142515643404) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test it_works ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests arcmutex [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/lib.rs - arcmutex (line 8) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8fc7f257860e24a7522051a253e21df6fdfc237e4dfddc342c8d1c74e23510a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8fc7f257860e24a7522051a253e21df6fdfc237e4dfddc342c8d1c74e23510a5", kill_on_drop: false }` [INFO] [stdout] 8fc7f257860e24a7522051a253e21df6fdfc237e4dfddc342c8d1c74e23510a5