[INFO] fetching crate milter-sys 0.2.2...
[INFO] testing milter-sys-0.2.2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate milter-sys 0.2.2 into /workspace/builds/worker-68/source
[INFO] validating manifest of crates.io crate milter-sys 0.2.2 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 milter-sys 0.2.2
[INFO] finished tweaking crates.io crate milter-sys 0.2.2
[INFO] tweaked toml for crates.io crate milter-sys 0.2.2 written to /workspace/builds/worker-68/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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] ce73d88e8682c1acbee91b5e581b27ad6dc809940956d5fa2f542d4e2a28397c
[INFO] running `Command { std: "docker" "start" "-a" "ce73d88e8682c1acbee91b5e581b27ad6dc809940956d5fa2f542d4e2a28397c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce73d88e8682c1acbee91b5e581b27ad6dc809940956d5fa2f542d4e2a28397c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce73d88e8682c1acbee91b5e581b27ad6dc809940956d5fa2f542d4e2a28397c", kill_on_drop: false }`
[INFO] [stdout] ce73d88e8682c1acbee91b5e581b27ad6dc809940956d5fa2f542d4e2a28397c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] acf647a44a7e8587f8907e9d03ed37eb852a5ebcb361394d4dbf116dc467b0f8
[INFO] running `Command { std: "docker" "start" "-a" "acf647a44a7e8587f8907e9d03ed37eb852a5ebcb361394d4dbf116dc467b0f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling milter-sys v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "acf647a44a7e8587f8907e9d03ed37eb852a5ebcb361394d4dbf116dc467b0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf647a44a7e8587f8907e9d03ed37eb852a5ebcb361394d4dbf116dc467b0f8", kill_on_drop: false }`
[INFO] [stdout] acf647a44a7e8587f8907e9d03ed37eb852a5ebcb361394d4dbf116dc467b0f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] c0772c5ea99d6b91b940633dbc9607dc20c478e89acdceb105c64f06278a16cc
[INFO] running `Command { std: "docker" "start" "-a" "c0772c5ea99d6b91b940633dbc9607dc20c478e89acdceb105c64f06278a16cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling milter-sys v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "c0772c5ea99d6b91b940633dbc9607dc20c478e89acdceb105c64f06278a16cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0772c5ea99d6b91b940633dbc9607dc20c478e89acdceb105c64f06278a16cc", kill_on_drop: false }`
[INFO] [stdout] c0772c5ea99d6b91b940633dbc9607dc20c478e89acdceb105c64f06278a16cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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] f71202921a07fffd78d869a8562ae2f1ff0ae7b0c8f93c0f2e0d1d67f5163fd5
[INFO] running `Command { std: "docker" "start" "-a" "f71202921a07fffd78d869a8562ae2f1ff0ae7b0c8f93c0f2e0d1d67f5163fd5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/milter_sys-6364a150a7835377)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::all_current_protocol_opts ... ok
[INFO] [stdout] test tests::register_milter ... ok
[INFO] [stdout] test tests::smfi_version_returns_version ... 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 milter-sys
[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" "f71202921a07fffd78d869a8562ae2f1ff0ae7b0c8f93c0f2e0d1d67f5163fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f71202921a07fffd78d869a8562ae2f1ff0ae7b0c8f93c0f2e0d1d67f5163fd5", kill_on_drop: false }`
[INFO] [stdout] f71202921a07fffd78d869a8562ae2f1ff0ae7b0c8f93c0f2e0d1d67f5163fd5