[INFO] fetching crate version-test 0.1.1-alpha.1...
[INFO] testing version-test-0.1.1-alpha.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate version-test 0.1.1-alpha.1 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate version-test 0.1.1-alpha.1 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 version-test 0.1.1-alpha.1
[INFO] finished tweaking crates.io crate version-test 0.1.1-alpha.1
[INFO] tweaked toml for crates.io crate version-test 0.1.1-alpha.1 written to /workspace/builds/worker-42/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] e51926c7849e1f603e91dc50c6ac1fd7eba9046f853f409d9f18f9c54b40f15f
[INFO] running `Command { std: "docker" "start" "-a" "e51926c7849e1f603e91dc50c6ac1fd7eba9046f853f409d9f18f9c54b40f15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e51926c7849e1f603e91dc50c6ac1fd7eba9046f853f409d9f18f9c54b40f15f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e51926c7849e1f603e91dc50c6ac1fd7eba9046f853f409d9f18f9c54b40f15f", kill_on_drop: false }`
[INFO] [stdout] e51926c7849e1f603e91dc50c6ac1fd7eba9046f853f409d9f18f9c54b40f15f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 73410817ef77827954aa73e182ee6348c404f574f96c4c28709bae73d827fb96
[INFO] running `Command { std: "docker" "start" "-a" "73410817ef77827954aa73e182ee6348c404f574f96c4c28709bae73d827fb96", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-test v0.1.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "73410817ef77827954aa73e182ee6348c404f574f96c4c28709bae73d827fb96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73410817ef77827954aa73e182ee6348c404f574f96c4c28709bae73d827fb96", kill_on_drop: false }`
[INFO] [stdout] 73410817ef77827954aa73e182ee6348c404f574f96c4c28709bae73d827fb96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] d9cc6a6fe7932fae28e5b4f212d2a61b65a1f9b485553ff8ef9a938b337ba4fe
[INFO] running `Command { std: "docker" "start" "-a" "d9cc6a6fe7932fae28e5b4f212d2a61b65a1f9b485553ff8ef9a938b337ba4fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-test v0.1.1-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `Command { std: "docker" "inspect" "d9cc6a6fe7932fae28e5b4f212d2a61b65a1f9b485553ff8ef9a938b337ba4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9cc6a6fe7932fae28e5b4f212d2a61b65a1f9b485553ff8ef9a938b337ba4fe", kill_on_drop: false }`
[INFO] [stdout] d9cc6a6fe7932fae28e5b4f212d2a61b65a1f9b485553ff8ef9a938b337ba4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 805413026e82b56b21f0c560b7c76836927f0b954beaf7397148c1bf259738e1
[INFO] running `Command { std: "docker" "start" "-a" "805413026e82b56b21f0c560b7c76836927f0b954beaf7397148c1bf259738e1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/version_test-6c3600eabad9d813)
[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 version-test
[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" "805413026e82b56b21f0c560b7c76836927f0b954beaf7397148c1bf259738e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "805413026e82b56b21f0c560b7c76836927f0b954beaf7397148c1bf259738e1", kill_on_drop: false }`
[INFO] [stdout] 805413026e82b56b21f0c560b7c76836927f0b954beaf7397148c1bf259738e1