[INFO] fetching crate watchlog 1.72.0...
[INFO] testing watchlog-1.72.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate watchlog 1.72.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate watchlog 1.72.0 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 watchlog 1.72.0
[INFO] finished tweaking crates.io crate watchlog 1.72.0
[INFO] tweaked toml for crates.io crate watchlog 1.72.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate watchlog 1.72.0 already has a lockfile, it will not be regenerated
[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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ac673f7e82ca613782f998b69e67a07892d13b84c8d950bb48599ca6a348c277
[INFO] running `Command { std: "docker" "start" "-a" "ac673f7e82ca613782f998b69e67a07892d13b84c8d950bb48599ca6a348c277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac673f7e82ca613782f998b69e67a07892d13b84c8d950bb48599ca6a348c277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac673f7e82ca613782f998b69e67a07892d13b84c8d950bb48599ca6a348c277", kill_on_drop: false }`
[INFO] [stdout] ac673f7e82ca613782f998b69e67a07892d13b84c8d950bb48599ca6a348c277
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 375c81f67e6885ddb555f8d9aa588b96f26d3536d9ba068ea04ea2601980755b
[INFO] running `Command { std: "docker" "start" "-a" "375c81f67e6885ddb555f8d9aa588b96f26d3536d9ba068ea04ea2601980755b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling result v1.0.0
[INFO] [stderr]    Compiling humanize-rs v0.1.5
[INFO] [stderr]    Compiling string-error v0.1.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling users v0.5.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling nix v0.22.1
[INFO] [stderr]    Compiling serde_ini v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde-humanize-rs v0.1.1
[INFO] [stderr]    Compiling standard_paths v0.4.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling buffered-reader v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling simple_config v0.73.0
[INFO] [stderr]    Compiling watchlog v1.72.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.46s
[INFO] running `Command { std: "docker" "inspect" "375c81f67e6885ddb555f8d9aa588b96f26d3536d9ba068ea04ea2601980755b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "375c81f67e6885ddb555f8d9aa588b96f26d3536d9ba068ea04ea2601980755b", kill_on_drop: false }`
[INFO] [stdout] 375c81f67e6885ddb555f8d9aa588b96f26d3536d9ba068ea04ea2601980755b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c21cbfcf21b5f3f96ef7736f24f6298838237f74c3ba5af92f1db0b9e0e0d1b1
[INFO] running `Command { std: "docker" "start" "-a" "c21cbfcf21b5f3f96ef7736f24f6298838237f74c3ba5af92f1db0b9e0e0d1b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling watchlog v1.72.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "c21cbfcf21b5f3f96ef7736f24f6298838237f74c3ba5af92f1db0b9e0e0d1b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c21cbfcf21b5f3f96ef7736f24f6298838237f74c3ba5af92f1db0b9e0e0d1b1", kill_on_drop: false }`
[INFO] [stdout] c21cbfcf21b5f3f96ef7736f24f6298838237f74c3ba5af92f1db0b9e0e0d1b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 0652f0b1a4a1d1d8c3a99406f0cf4e5c36c5226c33a259cd801c8c23421dd670
[INFO] running `Command { std: "docker" "start" "-a" "0652f0b1a4a1d1d8c3a99406f0cf4e5c36c5226c33a259cd801c8c23421dd670", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wl-4b5c8a5d16280009)
[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" "0652f0b1a4a1d1d8c3a99406f0cf4e5c36c5226c33a259cd801c8c23421dd670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0652f0b1a4a1d1d8c3a99406f0cf4e5c36c5226c33a259cd801c8c23421dd670", kill_on_drop: false }`
[INFO] [stdout] 0652f0b1a4a1d1d8c3a99406f0cf4e5c36c5226c33a259cd801c8c23421dd670