[INFO] fetching crate mottle 0.2.0...
[INFO] testing mottle-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mottle 0.2.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate mottle 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 mottle 0.2.0
[INFO] finished tweaking crates.io crate mottle 0.2.0
[INFO] tweaked toml for crates.io crate mottle 0.2.0 written to /workspace/builds/worker-63/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 tincture v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 8525841345af6cba7fe67c6add45a1386ebd114880e39b30d7c000727708b682
[INFO] running `Command { std: "docker" "start" "-a" "8525841345af6cba7fe67c6add45a1386ebd114880e39b30d7c000727708b682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8525841345af6cba7fe67c6add45a1386ebd114880e39b30d7c000727708b682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8525841345af6cba7fe67c6add45a1386ebd114880e39b30d7c000727708b682", kill_on_drop: false }`
[INFO] [stdout] 8525841345af6cba7fe67c6add45a1386ebd114880e39b30d7c000727708b682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] c1635c1fa7c8fc3330df7064f381f06822b2f179b44bad8e6043e67da946e1c7
[INFO] running `Command { std: "docker" "start" "-a" "c1635c1fa7c8fc3330df7064f381f06822b2f179b44bad8e6043e67da946e1c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling tincture v0.5.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling mottle v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.64s
[INFO] running `Command { std: "docker" "inspect" "c1635c1fa7c8fc3330df7064f381f06822b2f179b44bad8e6043e67da946e1c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1635c1fa7c8fc3330df7064f381f06822b2f179b44bad8e6043e67da946e1c7", kill_on_drop: false }`
[INFO] [stdout] c1635c1fa7c8fc3330df7064f381f06822b2f179b44bad8e6043e67da946e1c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] afeab9ef1fa092bf0571c5e45c6fab6a5fc64eb4a8adc628931746b9e5ca0a36
[INFO] running `Command { std: "docker" "start" "-a" "afeab9ef1fa092bf0571c5e45c6fab6a5fc64eb4a8adc628931746b9e5ca0a36", kill_on_drop: false }`
[INFO] [stderr]    Compiling mottle v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "afeab9ef1fa092bf0571c5e45c6fab6a5fc64eb4a8adc628931746b9e5ca0a36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afeab9ef1fa092bf0571c5e45c6fab6a5fc64eb4a8adc628931746b9e5ca0a36", kill_on_drop: false }`
[INFO] [stdout] afeab9ef1fa092bf0571c5e45c6fab6a5fc64eb4a8adc628931746b9e5ca0a36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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] 3aa1715458530a72baa27fdee72ac151f94182eae7210ef02a85c3275e391290
[INFO] running `Command { std: "docker" "start" "-a" "3aa1715458530a72baa27fdee72ac151f94182eae7210ef02a85c3275e391290", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mottle-0446fa30ddcf4dbb)
[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 mottle
[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" "3aa1715458530a72baa27fdee72ac151f94182eae7210ef02a85c3275e391290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3aa1715458530a72baa27fdee72ac151f94182eae7210ef02a85c3275e391290", kill_on_drop: false }`
[INFO] [stdout] 3aa1715458530a72baa27fdee72ac151f94182eae7210ef02a85c3275e391290