[INFO] fetching crate argentum 0.1.0...
[INFO] testing argentum-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate argentum 0.1.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate argentum 0.1.0 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 argentum 0.1.0
[INFO] finished tweaking crates.io crate argentum 0.1.0
[INFO] tweaked toml for crates.io crate argentum 0.1.0 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] 6df097da42f63a549175ef7ab0a337ce4199e0e20d262fc312e4f927d4bf190e
[INFO] running `Command { std: "docker" "start" "-a" "6df097da42f63a549175ef7ab0a337ce4199e0e20d262fc312e4f927d4bf190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6df097da42f63a549175ef7ab0a337ce4199e0e20d262fc312e4f927d4bf190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df097da42f63a549175ef7ab0a337ce4199e0e20d262fc312e4f927d4bf190e", kill_on_drop: false }`
[INFO] [stdout] 6df097da42f63a549175ef7ab0a337ce4199e0e20d262fc312e4f927d4bf190e
[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] ef17b2cb91556e126a90ae997da264df028d71cdb7f5e912382a10e6cb00cd2f
[INFO] running `Command { std: "docker" "start" "-a" "ef17b2cb91556e126a90ae997da264df028d71cdb7f5e912382a10e6cb00cd2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling thiserror v1.0.29
[INFO] [stderr]    Compiling argentum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.13s
[INFO] running `Command { std: "docker" "inspect" "ef17b2cb91556e126a90ae997da264df028d71cdb7f5e912382a10e6cb00cd2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef17b2cb91556e126a90ae997da264df028d71cdb7f5e912382a10e6cb00cd2f", kill_on_drop: false }`
[INFO] [stdout] ef17b2cb91556e126a90ae997da264df028d71cdb7f5e912382a10e6cb00cd2f
[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] 7fd7e08833e4e8f8d8a9cfe7109295e0d2984fe9b4fbaffb55c27580c6ce3cd8
[INFO] running `Command { std: "docker" "start" "-a" "7fd7e08833e4e8f8d8a9cfe7109295e0d2984fe9b4fbaffb55c27580c6ce3cd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling argentum v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "7fd7e08833e4e8f8d8a9cfe7109295e0d2984fe9b4fbaffb55c27580c6ce3cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd7e08833e4e8f8d8a9cfe7109295e0d2984fe9b4fbaffb55c27580c6ce3cd8", kill_on_drop: false }`
[INFO] [stdout] 7fd7e08833e4e8f8d8a9cfe7109295e0d2984fe9b4fbaffb55c27580c6ce3cd8
[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] 5f47a46b5843f41917001fa98248d841ad13cc7e3d5caa4f1c38c98fc83f9f02
[INFO] running `Command { std: "docker" "start" "-a" "5f47a46b5843f41917001fa98248d841ad13cc7e3d5caa4f1c38c98fc83f9f02", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/argentum-5401264be1c9cabb)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests argentum
[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] [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" "5f47a46b5843f41917001fa98248d841ad13cc7e3d5caa4f1c38c98fc83f9f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f47a46b5843f41917001fa98248d841ad13cc7e3d5caa4f1c38c98fc83f9f02", kill_on_drop: false }`
[INFO] [stdout] 5f47a46b5843f41917001fa98248d841ad13cc7e3d5caa4f1c38c98fc83f9f02