[INFO] fetching crate log-writer 0.5.0...
[INFO] testing log-writer-0.5.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate log-writer 0.5.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate log-writer 0.5.0 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 log-writer 0.5.0
[INFO] finished tweaking crates.io crate log-writer 0.5.0
[INFO] tweaked toml for crates.io crate log-writer 0.5.0 written to /workspace/builds/worker-66/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 83ea863b2b805059a19c2e4dd0dbdcf4ca1048bc829be9b0edb8fd64460f96d8
[INFO] running `Command { std: "docker" "start" "-a" "83ea863b2b805059a19c2e4dd0dbdcf4ca1048bc829be9b0edb8fd64460f96d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ea863b2b805059a19c2e4dd0dbdcf4ca1048bc829be9b0edb8fd64460f96d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ea863b2b805059a19c2e4dd0dbdcf4ca1048bc829be9b0edb8fd64460f96d8", kill_on_drop: false }`
[INFO] [stdout] 83ea863b2b805059a19c2e4dd0dbdcf4ca1048bc829be9b0edb8fd64460f96d8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] f760f1527266096789dc5a4f3fffef29f26df3ccc09efdf7ce3d168d38a6ef9c
[INFO] running `Command { std: "docker" "start" "-a" "f760f1527266096789dc5a4f3fffef29f26df3ccc09efdf7ce3d168d38a6ef9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling log-writer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.10s
[INFO] running `Command { std: "docker" "inspect" "f760f1527266096789dc5a4f3fffef29f26df3ccc09efdf7ce3d168d38a6ef9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f760f1527266096789dc5a4f3fffef29f26df3ccc09efdf7ce3d168d38a6ef9c", kill_on_drop: false }`
[INFO] [stdout] f760f1527266096789dc5a4f3fffef29f26df3ccc09efdf7ce3d168d38a6ef9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] e245a3a7d4aae57f082ba9d9d41541b102cf9b9b85ccff54dbfd7aa785d2746c
[INFO] running `Command { std: "docker" "start" "-a" "e245a3a7d4aae57f082ba9d9d41541b102cf9b9b85ccff54dbfd7aa785d2746c", kill_on_drop: false }`
[INFO] [stderr]    Compiling log-writer v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "e245a3a7d4aae57f082ba9d9d41541b102cf9b9b85ccff54dbfd7aa785d2746c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e245a3a7d4aae57f082ba9d9d41541b102cf9b9b85ccff54dbfd7aa785d2746c", kill_on_drop: false }`
[INFO] [stdout] e245a3a7d4aae57f082ba9d9d41541b102cf9b9b85ccff54dbfd7aa785d2746c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 6a9279ba4d05171747f478f48618b89538ca9b7eedf7f8f2e2649ced60a1a158
[INFO] running `Command { std: "docker" "start" "-a" "6a9279ba4d05171747f478f48618b89538ca9b7eedf7f8f2e2649ced60a1a158", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/log_writer-9e132f53884d4d8c)
[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 log-writer
[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" "6a9279ba4d05171747f478f48618b89538ca9b7eedf7f8f2e2649ced60a1a158", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9279ba4d05171747f478f48618b89538ca9b7eedf7f8f2e2649ced60a1a158", kill_on_drop: false }`
[INFO] [stdout] 6a9279ba4d05171747f478f48618b89538ca9b7eedf7f8f2e2649ced60a1a158