[INFO] fetching crate log-once 0.3.1...
[INFO] testing log-once-0.3.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate log-once 0.3.1 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate log-once 0.3.1 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-once 0.3.1
[INFO] finished tweaking crates.io crate log-once 0.3.1
[INFO] tweaked toml for crates.io crate log-once 0.3.1 written to /workspace/builds/worker-90/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-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] ee33643b91fd4679fbd2797c925b1c6e948d2e3da3ec7dd3fcb11c1699121af9
[INFO] running `Command { std: "docker" "start" "-a" "ee33643b91fd4679fbd2797c925b1c6e948d2e3da3ec7dd3fcb11c1699121af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee33643b91fd4679fbd2797c925b1c6e948d2e3da3ec7dd3fcb11c1699121af9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee33643b91fd4679fbd2797c925b1c6e948d2e3da3ec7dd3fcb11c1699121af9", kill_on_drop: false }`
[INFO] [stdout] ee33643b91fd4679fbd2797c925b1c6e948d2e3da3ec7dd3fcb11c1699121af9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 169b14febc002e6f43811ef4e9274b811062e2bc3dcf5213b4d4bf3d245b9019
[INFO] running `Command { std: "docker" "start" "-a" "169b14febc002e6f43811ef4e9274b811062e2bc3dcf5213b4d4bf3d245b9019", kill_on_drop: false }`
[INFO] [stderr]    Compiling log-once v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "169b14febc002e6f43811ef4e9274b811062e2bc3dcf5213b4d4bf3d245b9019", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169b14febc002e6f43811ef4e9274b811062e2bc3dcf5213b4d4bf3d245b9019", kill_on_drop: false }`
[INFO] [stdout] 169b14febc002e6f43811ef4e9274b811062e2bc3dcf5213b4d4bf3d245b9019
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 42e0316f788550c1d8dea2984677e61b1016223c4e5da410e7b455409d0ed5c6
[INFO] running `Command { std: "docker" "start" "-a" "42e0316f788550c1d8dea2984677e61b1016223c4e5da410e7b455409d0ed5c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling log-once v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "42e0316f788550c1d8dea2984677e61b1016223c4e5da410e7b455409d0ed5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42e0316f788550c1d8dea2984677e61b1016223c4e5da410e7b455409d0ed5c6", kill_on_drop: false }`
[INFO] [stdout] 42e0316f788550c1d8dea2984677e61b1016223c4e5da410e7b455409d0ed5c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 764cef3d8983e423e9a3e692cad024f18407c3788c977ddbada6eca35ff81d21
[INFO] running `Command { std: "docker" "start" "-a" "764cef3d8983e423e9a3e692cad024f18407c3788c977ddbada6eca35ff81d21", 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_once-3e1608bde2e81bf8)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::called_once ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/debug.rs (/opt/rustwide/target/debug/deps/debug-0711ea263bd25959)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]      Running tests/error.rs (/opt/rustwide/target/debug/deps/error-a1c3a524f6c49eaf)
[INFO] [stdout] test debug ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/info.rs (/opt/rustwide/target/debug/deps/info-2a4ab9d6e04221ee)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test info ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/trace.rs (/opt/rustwide/target/debug/deps/trace-b8b93727eab4ace3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test trace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/warn.rs (/opt/rustwide/target/debug/deps/warn-8dc7ae8bc8e77e2f)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests log-once
[INFO] [stdout] running 1 test
[INFO] [stdout] test warn ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 20) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.39s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "764cef3d8983e423e9a3e692cad024f18407c3788c977ddbada6eca35ff81d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "764cef3d8983e423e9a3e692cad024f18407c3788c977ddbada6eca35ff81d21", kill_on_drop: false }`
[INFO] [stdout] 764cef3d8983e423e9a3e692cad024f18407c3788c977ddbada6eca35ff81d21