[INFO] fetching crate ns16550a 0.1.0...
[INFO] testing ns16550a-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate ns16550a 0.1.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate ns16550a 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 ns16550a 0.1.0
[INFO] finished tweaking crates.io crate ns16550a 0.1.0
[INFO] tweaked toml for crates.io crate ns16550a 0.1.0 written to /workspace/builds/worker-38/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] e8dd0fb7ccf6f683ec2c4944e35164366ac8fffdd2a23209f17540dfeda55c06
[INFO] running `Command { std: "docker" "start" "-a" "e8dd0fb7ccf6f683ec2c4944e35164366ac8fffdd2a23209f17540dfeda55c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8dd0fb7ccf6f683ec2c4944e35164366ac8fffdd2a23209f17540dfeda55c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8dd0fb7ccf6f683ec2c4944e35164366ac8fffdd2a23209f17540dfeda55c06", kill_on_drop: false }`
[INFO] [stdout] e8dd0fb7ccf6f683ec2c4944e35164366ac8fffdd2a23209f17540dfeda55c06
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 2186ed56139b799375a0f0b497bd4d6ea7dba2ff063fcab1ef4f607b6399b084
[INFO] running `Command { std: "docker" "start" "-a" "2186ed56139b799375a0f0b497bd4d6ea7dba2ff063fcab1ef4f607b6399b084", kill_on_drop: false }`
[INFO] [stderr]    Compiling ns16550a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "2186ed56139b799375a0f0b497bd4d6ea7dba2ff063fcab1ef4f607b6399b084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2186ed56139b799375a0f0b497bd4d6ea7dba2ff063fcab1ef4f607b6399b084", kill_on_drop: false }`
[INFO] [stdout] 2186ed56139b799375a0f0b497bd4d6ea7dba2ff063fcab1ef4f607b6399b084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 287ee37c8943fdfaac3344454da806f104d49cc0123d3f6737131c0878e775db
[INFO] running `Command { std: "docker" "start" "-a" "287ee37c8943fdfaac3344454da806f104d49cc0123d3f6737131c0878e775db", kill_on_drop: false }`
[INFO] [stderr]    Compiling ns16550a v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "287ee37c8943fdfaac3344454da806f104d49cc0123d3f6737131c0878e775db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "287ee37c8943fdfaac3344454da806f104d49cc0123d3f6737131c0878e775db", kill_on_drop: false }`
[INFO] [stdout] 287ee37c8943fdfaac3344454da806f104d49cc0123d3f6737131c0878e775db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 8da00709d6af09c49437c833eddff6928db7dd700c9b491239c2c78308b6423f
[INFO] running `Command { std: "docker" "start" "-a" "8da00709d6af09c49437c833eddff6928db7dd700c9b491239c2c78308b6423f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [optimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ns16550a-be36a5e1eaee49be)
[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 ns16550a
[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" "8da00709d6af09c49437c833eddff6928db7dd700c9b491239c2c78308b6423f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8da00709d6af09c49437c833eddff6928db7dd700c9b491239c2c78308b6423f", kill_on_drop: false }`
[INFO] [stdout] 8da00709d6af09c49437c833eddff6928db7dd700c9b491239c2c78308b6423f