[INFO] fetching crate stm 0.4.0...
[INFO] testing stm-0.4.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate stm 0.4.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate stm 0.4.0 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 stm 0.4.0
[INFO] finished tweaking crates.io crate stm 0.4.0
[INFO] tweaked toml for crates.io crate stm 0.4.0 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stm-core v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 079442ef804ad5796c68896788dcb3d8b533e7383160bd32996f93e3a9456d17
[INFO] running `Command { std: "docker" "start" "-a" "079442ef804ad5796c68896788dcb3d8b533e7383160bd32996f93e3a9456d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "079442ef804ad5796c68896788dcb3d8b533e7383160bd32996f93e3a9456d17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "079442ef804ad5796c68896788dcb3d8b533e7383160bd32996f93e3a9456d17", kill_on_drop: false }`
[INFO] [stdout] 079442ef804ad5796c68896788dcb3d8b533e7383160bd32996f93e3a9456d17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2694b32e05389e9dff928d0546551ac272e97964f25cadd247d7f545836dee7f
[INFO] running `Command { std: "docker" "start" "-a" "2694b32e05389e9dff928d0546551ac272e97964f25cadd247d7f545836dee7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.5.5
[INFO] [stderr]    Compiling stm-core v0.4.0
[INFO] [stderr]    Compiling stm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `Command { std: "docker" "inspect" "2694b32e05389e9dff928d0546551ac272e97964f25cadd247d7f545836dee7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2694b32e05389e9dff928d0546551ac272e97964f25cadd247d7f545836dee7f", kill_on_drop: false }`
[INFO] [stdout] 2694b32e05389e9dff928d0546551ac272e97964f25cadd247d7f545836dee7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] c82b7c232fcb94aa173a077eda49dfb5d849f600d0ccb0fc7eba8d7aa8ef77c9
[INFO] running `Command { std: "docker" "start" "-a" "c82b7c232fcb94aa173a077eda49dfb5d849f600d0ccb0fc7eba8d7aa8ef77c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling stm v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "c82b7c232fcb94aa173a077eda49dfb5d849f600d0ccb0fc7eba8d7aa8ef77c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82b7c232fcb94aa173a077eda49dfb5d849f600d0ccb0fc7eba8d7aa8ef77c9", kill_on_drop: false }`
[INFO] [stdout] c82b7c232fcb94aa173a077eda49dfb5d849f600d0ccb0fc7eba8d7aa8ef77c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] bb0039ee24fc70270f3fe597b0a557606db60187c02bb758754ebe87680cc0d1
[INFO] running `Command { std: "docker" "start" "-a" "bb0039ee24fc70270f3fe597b0a557606db60187c02bb758754ebe87680cc0d1", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stm-c30f40a1374c3035)
[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]    Doc-tests stm
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 50) ... ok
[INFO] [stdout] test src/lib.rs - (line 66) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.53s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb0039ee24fc70270f3fe597b0a557606db60187c02bb758754ebe87680cc0d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0039ee24fc70270f3fe597b0a557606db60187c02bb758754ebe87680cc0d1", kill_on_drop: false }`
[INFO] [stdout] bb0039ee24fc70270f3fe597b0a557606db60187c02bb758754ebe87680cc0d1