[INFO] fetching crate lox 0.0.0...
[INFO] testing lox-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate lox 0.0.0 into /workspace/builds/worker-64/source
[INFO] validating manifest of crates.io crate lox 0.0.0 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 lox 0.0.0
[INFO] finished tweaking crates.io crate lox 0.0.0
[INFO] tweaked toml for crates.io crate lox 0.0.0 written to /workspace/builds/worker-64/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-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 5a92d4748078733ba464311bb793d938d7b6dda831e277e9a5dcfb0fd215f411
[INFO] running `Command { std: "docker" "start" "-a" "5a92d4748078733ba464311bb793d938d7b6dda831e277e9a5dcfb0fd215f411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a92d4748078733ba464311bb793d938d7b6dda831e277e9a5dcfb0fd215f411", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a92d4748078733ba464311bb793d938d7b6dda831e277e9a5dcfb0fd215f411", kill_on_drop: false }`
[INFO] [stdout] 5a92d4748078733ba464311bb793d938d7b6dda831e277e9a5dcfb0fd215f411
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 339eeb597e620d3c3c28bf5d6ed84f7ba766fe91ee9764f516af696ecc8ed014
[INFO] running `Command { std: "docker" "start" "-a" "339eeb597e620d3c3c28bf5d6ed84f7ba766fe91ee9764f516af696ecc8ed014", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lox v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "339eeb597e620d3c3c28bf5d6ed84f7ba766fe91ee9764f516af696ecc8ed014", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339eeb597e620d3c3c28bf5d6ed84f7ba766fe91ee9764f516af696ecc8ed014", kill_on_drop: false }`
[INFO] [stdout] 339eeb597e620d3c3c28bf5d6ed84f7ba766fe91ee9764f516af696ecc8ed014
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] 7d3c74ca889276566fa736051f1bfbeaaba828db47e736543dd1e5509585740f
[INFO] running `Command { std: "docker" "start" "-a" "7d3c74ca889276566fa736051f1bfbeaaba828db47e736543dd1e5509585740f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lox v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.06s
[INFO] running `Command { std: "docker" "inspect" "7d3c74ca889276566fa736051f1bfbeaaba828db47e736543dd1e5509585740f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d3c74ca889276566fa736051f1bfbeaaba828db47e736543dd1e5509585740f", kill_on_drop: false }`
[INFO] [stdout] 7d3c74ca889276566fa736051f1bfbeaaba828db47e736543dd1e5509585740f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-64/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] dbad74a2f3c2aaeb2fd1ebbd19f698d236c34c6e243fe639f57603f63dc3edd2
[INFO] running `Command { std: "docker" "start" "-a" "dbad74a2f3c2aaeb2fd1ebbd19f698d236c34c6e243fe639f57603f63dc3edd2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lox-c721e32f42677a21)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests lox
[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] [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" "dbad74a2f3c2aaeb2fd1ebbd19f698d236c34c6e243fe639f57603f63dc3edd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbad74a2f3c2aaeb2fd1ebbd19f698d236c34c6e243fe639f57603f63dc3edd2", kill_on_drop: false }`
[INFO] [stdout] dbad74a2f3c2aaeb2fd1ebbd19f698d236c34c6e243fe639f57603f63dc3edd2