[INFO] fetching crate rustcrypto-signature 0.0.0...
[INFO] testing rustcrypto-signature-0.0.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate rustcrypto-signature 0.0.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rustcrypto-signature 0.0.0 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 rustcrypto-signature 0.0.0
[INFO] finished tweaking crates.io crate rustcrypto-signature 0.0.0
[INFO] tweaked toml for crates.io crate rustcrypto-signature 0.0.0 written to /workspace/builds/worker-13/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-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4da27d414443741cf738d4ac8876a84c092d0681649a7355b651ae2ba90c648
[INFO] running `Command { std: "docker" "start" "-a" "c4da27d414443741cf738d4ac8876a84c092d0681649a7355b651ae2ba90c648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4da27d414443741cf738d4ac8876a84c092d0681649a7355b651ae2ba90c648", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4da27d414443741cf738d4ac8876a84c092d0681649a7355b651ae2ba90c648", kill_on_drop: false }`
[INFO] [stdout] c4da27d414443741cf738d4ac8876a84c092d0681649a7355b651ae2ba90c648
[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=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] bca247eeb5702ab5070843eb226dd65d5812d7f7c718e9dfefb4a6d5b91aabcb
[INFO] running `Command { std: "docker" "start" "-a" "bca247eeb5702ab5070843eb226dd65d5812d7f7c718e9dfefb4a6d5b91aabcb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcrypto-signature v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "bca247eeb5702ab5070843eb226dd65d5812d7f7c718e9dfefb4a6d5b91aabcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bca247eeb5702ab5070843eb226dd65d5812d7f7c718e9dfefb4a6d5b91aabcb", kill_on_drop: false }`
[INFO] [stdout] bca247eeb5702ab5070843eb226dd65d5812d7f7c718e9dfefb4a6d5b91aabcb
[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=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] f7104e3ceab8febee31b27d1a98d08ef68888fe07888025838124df98fb49971
[INFO] running `Command { std: "docker" "start" "-a" "f7104e3ceab8febee31b27d1a98d08ef68888fe07888025838124df98fb49971", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustcrypto-signature v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "f7104e3ceab8febee31b27d1a98d08ef68888fe07888025838124df98fb49971", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7104e3ceab8febee31b27d1a98d08ef68888fe07888025838124df98fb49971", kill_on_drop: false }`
[INFO] [stdout] f7104e3ceab8febee31b27d1a98d08ef68888fe07888025838124df98fb49971
[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=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] e50185af22c3b06bad669c70405295a4f46498d274e15cffaf5dd7e3da1608f4
[INFO] running `Command { std: "docker" "start" "-a" "e50185af22c3b06bad669c70405295a4f46498d274e15cffaf5dd7e3da1608f4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rustcrypto_signature-a84a0a7d56458bc8)
[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 rustcrypto-signature
[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" "e50185af22c3b06bad669c70405295a4f46498d274e15cffaf5dd7e3da1608f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e50185af22c3b06bad669c70405295a4f46498d274e15cffaf5dd7e3da1608f4", kill_on_drop: false }`
[INFO] [stdout] e50185af22c3b06bad669c70405295a4f46498d274e15cffaf5dd7e3da1608f4