[INFO] fetching crate snowbinary 0.1.0...
[INFO] testing snowbinary-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate snowbinary 0.1.0 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate snowbinary 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 snowbinary 0.1.0
[INFO] finished tweaking crates.io crate snowbinary 0.1.0
[INFO] tweaked toml for crates.io crate snowbinary 0.1.0 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate snowbinary 0.1.0 already has a lockfile, it will not be regenerated
[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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] f9331ce31204e913c6b95a828de9025c501af962b4d5e4e5d77b3605c8ef71f2
[INFO] running `Command { std: "docker" "start" "-a" "f9331ce31204e913c6b95a828de9025c501af962b4d5e4e5d77b3605c8ef71f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9331ce31204e913c6b95a828de9025c501af962b4d5e4e5d77b3605c8ef71f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9331ce31204e913c6b95a828de9025c501af962b4d5e4e5d77b3605c8ef71f2", kill_on_drop: false }`
[INFO] [stdout] f9331ce31204e913c6b95a828de9025c501af962b4d5e4e5d77b3605c8ef71f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 90275968ba82e0e7d3e1c4564102a1ebd0df39aba5da7522469f1fd3c3fdfbab
[INFO] running `Command { std: "docker" "start" "-a" "90275968ba82e0e7d3e1c4564102a1ebd0df39aba5da7522469f1fd3c3fdfbab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snowbinary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.05s
[INFO] running `Command { std: "docker" "inspect" "90275968ba82e0e7d3e1c4564102a1ebd0df39aba5da7522469f1fd3c3fdfbab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90275968ba82e0e7d3e1c4564102a1ebd0df39aba5da7522469f1fd3c3fdfbab", kill_on_drop: false }`
[INFO] [stdout] 90275968ba82e0e7d3e1c4564102a1ebd0df39aba5da7522469f1fd3c3fdfbab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 95ca29487fa9bb3390734ab64043b7a8f7acf0a5cecac0429008059a27a667dd
[INFO] running `Command { std: "docker" "start" "-a" "95ca29487fa9bb3390734ab64043b7a8f7acf0a5cecac0429008059a27a667dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowbinary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "95ca29487fa9bb3390734ab64043b7a8f7acf0a5cecac0429008059a27a667dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95ca29487fa9bb3390734ab64043b7a8f7acf0a5cecac0429008059a27a667dd", kill_on_drop: false }`
[INFO] [stdout] 95ca29487fa9bb3390734ab64043b7a8f7acf0a5cecac0429008059a27a667dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 07cf86031bbcbff885215bc81863c81d1868866adaa7233446106f3b6a198cb8
[INFO] running `Command { std: "docker" "start" "-a" "07cf86031bbcbff885215bc81863c81d1868866adaa7233446106f3b6a198cb8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snowbinary-2d76c67d91724094)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snowbinary
[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" "07cf86031bbcbff885215bc81863c81d1868866adaa7233446106f3b6a198cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07cf86031bbcbff885215bc81863c81d1868866adaa7233446106f3b6a198cb8", kill_on_drop: false }`
[INFO] [stdout] 07cf86031bbcbff885215bc81863c81d1868866adaa7233446106f3b6a198cb8