[INFO] fetching crate mnumonic 0.2.0...
[INFO] testing mnumonic-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate mnumonic 0.2.0 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate mnumonic 0.2.0 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 mnumonic 0.2.0
[INFO] finished tweaking crates.io crate mnumonic 0.2.0
[INFO] tweaked toml for crates.io crate mnumonic 0.2.0 written to /workspace/builds/worker-52/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] [stderr]     Blocking waiting for file lock on package cache
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] d73356f5da41de147c8b26396aecf3283294052b482ad23dad5317cb2e8ab4b8
[INFO] running `Command { std: "docker" "start" "-a" "d73356f5da41de147c8b26396aecf3283294052b482ad23dad5317cb2e8ab4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d73356f5da41de147c8b26396aecf3283294052b482ad23dad5317cb2e8ab4b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d73356f5da41de147c8b26396aecf3283294052b482ad23dad5317cb2e8ab4b8", kill_on_drop: false }`
[INFO] [stdout] d73356f5da41de147c8b26396aecf3283294052b482ad23dad5317cb2e8ab4b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 454cab84ec932ff932e0312d76c8c238518626b561845dc17761f49275f8e053
[INFO] running `Command { std: "docker" "start" "-a" "454cab84ec932ff932e0312d76c8c238518626b561845dc17761f49275f8e053", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnumonic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `Command { std: "docker" "inspect" "454cab84ec932ff932e0312d76c8c238518626b561845dc17761f49275f8e053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "454cab84ec932ff932e0312d76c8c238518626b561845dc17761f49275f8e053", kill_on_drop: false }`
[INFO] [stdout] 454cab84ec932ff932e0312d76c8c238518626b561845dc17761f49275f8e053
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 9f0f5ed017ff6f6ebee251c6715463e08264797726431021a72efe4c20275297
[INFO] running `Command { std: "docker" "start" "-a" "9f0f5ed017ff6f6ebee251c6715463e08264797726431021a72efe4c20275297", kill_on_drop: false }`
[INFO] [stderr]    Compiling mnumonic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "9f0f5ed017ff6f6ebee251c6715463e08264797726431021a72efe4c20275297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f0f5ed017ff6f6ebee251c6715463e08264797726431021a72efe4c20275297", kill_on_drop: false }`
[INFO] [stdout] 9f0f5ed017ff6f6ebee251c6715463e08264797726431021a72efe4c20275297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] cb3fec41fb5d515ba4889422ab4c47c2bfb204167beea6c3f59a339a76edb8a8
[INFO] running `Command { std: "docker" "start" "-a" "cb3fec41fb5d515ba4889422ab4c47c2bfb204167beea6c3f59a339a76edb8a8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mnumonic-021fa2911610e34a)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_decode_failure ... ok
[INFO] [stdout] test tests::test_decode ... ok
[INFO] [stdout] test tests::test_encode ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mnumonic
[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" "cb3fec41fb5d515ba4889422ab4c47c2bfb204167beea6c3f59a339a76edb8a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3fec41fb5d515ba4889422ab4c47c2bfb204167beea6c3f59a339a76edb8a8", kill_on_drop: false }`
[INFO] [stdout] cb3fec41fb5d515ba4889422ab4c47c2bfb204167beea6c3f59a339a76edb8a8