[INFO] fetching crate alto_logger 0.3.7...
[INFO] testing alto_logger-0.3.7 against 1.55.0 for beta-1.56-1
[INFO] extracting crate alto_logger 0.3.7 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate alto_logger 0.3.7 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 alto_logger 0.3.7
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate alto_logger 0.3.7
[INFO] tweaked toml for crates.io crate alto_logger 0.3.7 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate alto_logger 0.3.7 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded time v0.2.10
[INFO] [stderr]   Downloaded standback v0.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e4554e103c7efdcee90dabfd590953d39542eec0330f62ef3f81338b5e9dd4c8
[INFO] running `Command { std: "docker" "start" "-a" "e4554e103c7efdcee90dabfd590953d39542eec0330f62ef3f81338b5e9dd4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4554e103c7efdcee90dabfd590953d39542eec0330f62ef3f81338b5e9dd4c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4554e103c7efdcee90dabfd590953d39542eec0330f62ef3f81338b5e9dd4c8", kill_on_drop: false }`
[INFO] [stdout] e4554e103c7efdcee90dabfd590953d39542eec0330f62ef3f81338b5e9dd4c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4458625d94d723a7b976e2fdf41a129bb16aaa51125cd07a0c7026e646e4bf04
[INFO] running `Command { std: "docker" "start" "-a" "4458625d94d723a7b976e2fdf41a129bb16aaa51125cd07a0c7026e646e4bf04", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling alto_logger v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.03s
[INFO] running `Command { std: "docker" "inspect" "4458625d94d723a7b976e2fdf41a129bb16aaa51125cd07a0c7026e646e4bf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4458625d94d723a7b976e2fdf41a129bb16aaa51125cd07a0c7026e646e4bf04", kill_on_drop: false }`
[INFO] [stdout] 4458625d94d723a7b976e2fdf41a129bb16aaa51125cd07a0c7026e646e4bf04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 145f1d7a5599bca3f51ebdb7f7cc108567ec6c78c2926c2cc3be7e4085916186
[INFO] running `Command { std: "docker" "start" "-a" "145f1d7a5599bca3f51ebdb7f7cc108567ec6c78c2926c2cc3be7e4085916186", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling alto_logger v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.34s
[INFO] running `Command { std: "docker" "inspect" "145f1d7a5599bca3f51ebdb7f7cc108567ec6c78c2926c2cc3be7e4085916186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "145f1d7a5599bca3f51ebdb7f7cc108567ec6c78c2926c2cc3be7e4085916186", kill_on_drop: false }`
[INFO] [stdout] 145f1d7a5599bca3f51ebdb7f7cc108567ec6c78c2926c2cc3be7e4085916186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 63d77e1f27d86f392224507b1295cbffb7d0ab9cfc84e42966b8643846a50dee
[INFO] running `Command { std: "docker" "start" "-a" "63d77e1f27d86f392224507b1295cbffb7d0ab9cfc84e42966b8643846a50dee", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.64s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/alto_logger-9ad7c3a1439139c2)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test filters::tests::filters ... ok
[INFO] [stdout] test filters::tests::minimum ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests alto_logger
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - init (line 44) ... ignored
[INFO] [stdout] test src/lib.rs - init (line 25) ... ok
[INFO] [stdout] test src/options.rs - options (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.62s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "63d77e1f27d86f392224507b1295cbffb7d0ab9cfc84e42966b8643846a50dee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63d77e1f27d86f392224507b1295cbffb7d0ab9cfc84e42966b8643846a50dee", kill_on_drop: false }`
[INFO] [stdout] 63d77e1f27d86f392224507b1295cbffb7d0ab9cfc84e42966b8643846a50dee