[INFO] fetching crate witchcraft-log 0.3.0...
[INFO] testing witchcraft-log-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate witchcraft-log 0.3.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate witchcraft-log 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witchcraft-log 0.3.0
[INFO] finished tweaking crates.io crate witchcraft-log 0.3.0
[INFO] tweaked toml for crates.io crate witchcraft-log 0.3.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded erased-serde v0.3.16
[INFO] [stderr]   Downloaded conjure-object v0.7.4
[INFO] [stderr]   Downloaded conjure-error v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2609fd41ea08f244d9d50a44557fc7ee71e75b03d8845e00810fe1da61117824
[INFO] running `Command { std: "docker" "start" "-a" "2609fd41ea08f244d9d50a44557fc7ee71e75b03d8845e00810fe1da61117824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2609fd41ea08f244d9d50a44557fc7ee71e75b03d8845e00810fe1da61117824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2609fd41ea08f244d9d50a44557fc7ee71e75b03d8845e00810fe1da61117824", kill_on_drop: false }`
[INFO] [stdout] 2609fd41ea08f244d9d50a44557fc7ee71e75b03d8845e00810fe1da61117824
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4d39bcf0b9400a35aa904d31d60393c5586e695fd15bb7873ba68697f004a42e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4d39bcf0b9400a35aa904d31d60393c5586e695fd15bb7873ba68697f004a42e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling gimli v0.24.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.20
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling erased-serde v0.3.16
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling ordered-float v2.7.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling addr2line v0.15.2
[INFO] [stderr]    Compiling conjure-object v0.7.4
[INFO] [stderr]    Compiling conjure-error v0.7.4
[INFO] [stderr]    Compiling witchcraft-log v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.33s
[INFO] running `Command { std: "docker" "inspect" "4d39bcf0b9400a35aa904d31d60393c5586e695fd15bb7873ba68697f004a42e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d39bcf0b9400a35aa904d31d60393c5586e695fd15bb7873ba68697f004a42e", kill_on_drop: false }`
[INFO] [stdout] 4d39bcf0b9400a35aa904d31d60393c5586e695fd15bb7873ba68697f004a42e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ce7fff372e1d88a68d729ee4912973cbdbbe67c173885f07ba72fe3f1ecafb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "90ce7fff372e1d88a68d729ee4912973cbdbbe67c173885f07ba72fe3f1ecafb", kill_on_drop: false }`
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling serde_test v1.0.126
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling witchcraft-log v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.25s
[INFO] running `Command { std: "docker" "inspect" "90ce7fff372e1d88a68d729ee4912973cbdbbe67c173885f07ba72fe3f1ecafb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ce7fff372e1d88a68d729ee4912973cbdbbe67c173885f07ba72fe3f1ecafb", kill_on_drop: false }`
[INFO] [stdout] 90ce7fff372e1d88a68d729ee4912973cbdbbe67c173885f07ba72fe3f1ecafb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 352977b0b1716b4772afa91955baae5dc1be19c929b3d787032907e8e04e8873
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "352977b0b1716b4772afa91955baae5dc1be19c929b3d787032907e8e04e8873", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/witchcraft_log-e431ae763c17245a)
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test level::tests::test_level_case_insensitive ... ok
[INFO] [stdout] test level::tests::test_level_filter_ser_de ... ok
[INFO] [stdout] test level::tests::test_level_filter_case_insensitive ... ok
[INFO] [stdout] test level::tests::test_level_de_error ... ok
[INFO] [stdout] test test::params ... ok
[INFO] [stdout] test test::bridge ... ok
[INFO] [stdout] test test::errors ... ok
[INFO] [stdout] test test::minimal ... ok
[INFO] [stdout] test level::tests::test_level_ser_de ... ok
[INFO] [stdout] test level::tests::test_level_filter_de_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests witchcraft-log
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - (line 55) ... ok
[INFO] [stdout] test src/bridge.rs - bridge (line 21) ... ok
[INFO] [stdout] test src/lib.rs - (line 39) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.26s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "352977b0b1716b4772afa91955baae5dc1be19c929b3d787032907e8e04e8873", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352977b0b1716b4772afa91955baae5dc1be19c929b3d787032907e8e04e8873", kill_on_drop: false }`
[INFO] [stdout] 352977b0b1716b4772afa91955baae5dc1be19c929b3d787032907e8e04e8873