[INFO] fetching crate config-maint 0.11.0...
[INFO] testing config-maint-0.11.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate config-maint 0.11.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate config-maint 0.11.0 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 config-maint 0.11.0
[INFO] finished tweaking crates.io crate config-maint 0.11.0
[INFO] tweaked toml for crates.io crate config-maint 0.11.0 written to /workspace/builds/worker-8/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]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 4e2e4c1c7b0a7b7d402a09aa38eb606178906e319cd35c27c34602f31d93c991
[INFO] running `Command { std: "docker" "start" "-a" "4e2e4c1c7b0a7b7d402a09aa38eb606178906e319cd35c27c34602f31d93c991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e2e4c1c7b0a7b7d402a09aa38eb606178906e319cd35c27c34602f31d93c991", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e2e4c1c7b0a7b7d402a09aa38eb606178906e319cd35c27c34602f31d93c991", kill_on_drop: false }`
[INFO] [stdout] 4e2e4c1c7b0a7b7d402a09aa38eb606178906e319cd35c27c34602f31d93c991
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 50ce9d6e993d7c81f524ed6ec1a81f401460dd380a28fe464180578ced662202
[INFO] running `Command { std: "docker" "start" "-a" "50ce9d6e993d7c81f524ed6ec1a81f401460dd380a28fe464180578ced662202", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling config-maint v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.96s
[INFO] running `Command { std: "docker" "inspect" "50ce9d6e993d7c81f524ed6ec1a81f401460dd380a28fe464180578ced662202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50ce9d6e993d7c81f524ed6ec1a81f401460dd380a28fe464180578ced662202", kill_on_drop: false }`
[INFO] [stdout] 50ce9d6e993d7c81f524ed6ec1a81f401460dd380a28fe464180578ced662202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 090b9fb61455d6354e237e565bd6a3b205870d552292f5758d56dd6eeeed6110
[INFO] running `Command { std: "docker" "start" "-a" "090b9fb61455d6354e237e565bd6a3b205870d552292f5758d56dd6eeeed6110", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling float-cmp v0.6.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling config-maint v0.11.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `config-maint`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name config_maint src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test --cfg 'feature="default"' --cfg 'feature="hjson"' --cfg 'feature="ini"' --cfg 'feature="json"' --cfg 'feature="rust-ini"' --cfg 'feature="serde-hjson"' --cfg 'feature="serde_json"' --cfg 'feature="toml"' --cfg 'feature="yaml"' --cfg 'feature="yaml-rust"' -C metadata=7adfab2ad0fd1fa3 -C extra-filename=-7adfab2ad0fd1fa3 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern chrono=/opt/rustwide/target/debug/deps/libchrono-4b5a1caeb1f9736f.rlib --extern float_cmp=/opt/rustwide/target/debug/deps/libfloat_cmp-274ebb2c43a90413.rlib --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-df981c5871754530.rlib --extern nom=/opt/rustwide/target/debug/deps/libnom-b548303d968738bc.rlib --extern ini=/opt/rustwide/target/debug/deps/libini-d82e59d34ff5aa69.rlib --extern serde=/opt/rustwide/target/debug/deps/libserde-e1e7584dcba0a5cc.rlib --extern serde_hjson=/opt/rustwide/target/debug/deps/libserde_hjson-88a00ead42354a89.rlib --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-8fe885f1d4439ddc.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-3de8b5c3752d5467.rlib --extern toml=/opt/rustwide/target/debug/deps/libtoml-4b353a592a0fec71.rlib --extern yaml_rust=/opt/rustwide/target/debug/deps/libyaml_rust-40e3e6de367404d9.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "090b9fb61455d6354e237e565bd6a3b205870d552292f5758d56dd6eeeed6110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "090b9fb61455d6354e237e565bd6a3b205870d552292f5758d56dd6eeeed6110", kill_on_drop: false }`
[INFO] [stdout] 090b9fb61455d6354e237e565bd6a3b205870d552292f5758d56dd6eeeed6110