[INFO] fetching crate simulacrum 0.3.1...
[INFO] testing simulacrum-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate simulacrum 0.3.1 into /workspace/builds/worker-49/source
[INFO] validating manifest of crates.io crate simulacrum 0.3.1 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 simulacrum 0.3.1
[INFO] finished tweaking crates.io crate simulacrum 0.3.1
[INFO] tweaked toml for crates.io crate simulacrum 0.3.1 written to /workspace/builds/worker-49/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 simulacrum_macros v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] ea0db8fe208e79a22ca27b18652aa83b51e991b8afb3c6e2afab9cff1fd5898c
[INFO] running `Command { std: "docker" "start" "-a" "ea0db8fe208e79a22ca27b18652aa83b51e991b8afb3c6e2afab9cff1fd5898c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea0db8fe208e79a22ca27b18652aa83b51e991b8afb3c6e2afab9cff1fd5898c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea0db8fe208e79a22ca27b18652aa83b51e991b8afb3c6e2afab9cff1fd5898c", kill_on_drop: false }`
[INFO] [stdout] ea0db8fe208e79a22ca27b18652aa83b51e991b8afb3c6e2afab9cff1fd5898c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] dd3c317c058c8692355ff96dd0de549d939dce7993e5113ed0c1547422a36116
[INFO] running `Command { std: "docker" "start" "-a" "dd3c317c058c8692355ff96dd0de549d939dce7993e5113ed0c1547422a36116", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling handlebox v0.3.0
[INFO] [stderr]    Compiling debugit v0.1.2
[INFO] [stderr]    Compiling simulacrum_shared v0.1.0
[INFO] [stderr]    Compiling simulacrum_mock v0.1.0
[INFO] [stderr]    Compiling simulacrum_user v0.1.0
[INFO] [stderr]    Compiling simulacrum_macros v0.3.1
[INFO] [stderr]    Compiling simulacrum v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.11s
[INFO] running `Command { std: "docker" "inspect" "dd3c317c058c8692355ff96dd0de549d939dce7993e5113ed0c1547422a36116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3c317c058c8692355ff96dd0de549d939dce7993e5113ed0c1547422a36116", kill_on_drop: false }`
[INFO] [stdout] dd3c317c058c8692355ff96dd0de549d939dce7993e5113ed0c1547422a36116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 14fc01db62975a6c40aea66a2d89d537761ebd8b0453241e88e86741b238ccec
[INFO] running `Command { std: "docker" "start" "-a" "14fc01db62975a6c40aea66a2d89d537761ebd8b0453241e88e86741b238ccec", kill_on_drop: false }`
[INFO] [stderr]    Compiling simulacrum v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "14fc01db62975a6c40aea66a2d89d537761ebd8b0453241e88e86741b238ccec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fc01db62975a6c40aea66a2d89d537761ebd8b0453241e88e86741b238ccec", kill_on_drop: false }`
[INFO] [stdout] 14fc01db62975a6c40aea66a2d89d537761ebd8b0453241e88e86741b238ccec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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] 8322a38530dcd7ed0e38d68ffebfd4d7f3259da7e544cca65cbb9f282cae0ea1
[INFO] running `Command { std: "docker" "start" "-a" "8322a38530dcd7ed0e38d68ffebfd4d7f3259da7e544cca65cbb9f282cae0ea1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simulacrum-3cc8745afca73996)
[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]    Doc-tests simulacrum
[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] running `Command { std: "docker" "inspect" "8322a38530dcd7ed0e38d68ffebfd4d7f3259da7e544cca65cbb9f282cae0ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8322a38530dcd7ed0e38d68ffebfd4d7f3259da7e544cca65cbb9f282cae0ea1", kill_on_drop: false }`
[INFO] [stdout] 8322a38530dcd7ed0e38d68ffebfd4d7f3259da7e544cca65cbb9f282cae0ea1