[INFO] fetching crate unwrap 1.2.1...
[INFO] testing unwrap-1.2.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate unwrap 1.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate unwrap 1.2.1 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 unwrap 1.2.1
[INFO] finished tweaking crates.io crate unwrap 1.2.1
[INFO] tweaked toml for crates.io crate unwrap 1.2.1 written to /workspace/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 28a19f162f1ca5806e7334fdc7e708fd7390dd1aa4657e85f3fdedbcdc31f271
[INFO] running `Command { std: "docker" "start" "-a" "28a19f162f1ca5806e7334fdc7e708fd7390dd1aa4657e85f3fdedbcdc31f271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28a19f162f1ca5806e7334fdc7e708fd7390dd1aa4657e85f3fdedbcdc31f271", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28a19f162f1ca5806e7334fdc7e708fd7390dd1aa4657e85f3fdedbcdc31f271", kill_on_drop: false }`
[INFO] [stdout] 28a19f162f1ca5806e7334fdc7e708fd7390dd1aa4657e85f3fdedbcdc31f271
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 6f4f834525fe97f245b8f688a2fbeda359c9c85c5462984d6a7702da9a0def2a
[INFO] running `Command { std: "docker" "start" "-a" "6f4f834525fe97f245b8f688a2fbeda359c9c85c5462984d6a7702da9a0def2a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "6f4f834525fe97f245b8f688a2fbeda359c9c85c5462984d6a7702da9a0def2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f4f834525fe97f245b8f688a2fbeda359c9c85c5462984d6a7702da9a0def2a", kill_on_drop: false }`
[INFO] [stdout] 6f4f834525fe97f245b8f688a2fbeda359c9c85c5462984d6a7702da9a0def2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] a892ab129a08b66265d59ec41d32949e5a8a97945c25986de47a48957e6096da
[INFO] running `Command { std: "docker" "start" "-a" "a892ab129a08b66265d59ec41d32949e5a8a97945c25986de47a48957e6096da", kill_on_drop: false }`
[INFO] [stderr]    Compiling unwrap v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "a892ab129a08b66265d59ec41d32949e5a8a97945c25986de47a48957e6096da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a892ab129a08b66265d59ec41d32949e5a8a97945c25986de47a48957e6096da", kill_on_drop: false }`
[INFO] [stdout] a892ab129a08b66265d59ec41d32949e5a8a97945c25986de47a48957e6096da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 06ddfc1ab190c3ab2f315e0862af367c3877a356765747cc2cae5b4feb10c0fb
[INFO] running `Command { std: "docker" "start" "-a" "06ddfc1ab190c3ab2f315e0862af367c3877a356765747cc2cae5b4feb10c0fb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/unwrap-5d22b7862f3f576d)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::unwrap_err_result_err ... ok
[INFO] [stdout] test tests::unwrap_option_some ... ok
[INFO] [stdout] test tests::unwrap_result_ok ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_message_args - should panic ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_option_none_no_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_result_err_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_err_result_ok_no_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_result_err_message_args - should panic ... ok
[INFO] [stdout] test tests::unwrap_result_err_no_message - should panic ... ok
[INFO] [stdout] test tests::unwrap_option_none_message - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests unwrap
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - unwrap_err (line 224) ... ok
[INFO] [stdout] test src/lib.rs - unwrap (line 126) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06ddfc1ab190c3ab2f315e0862af367c3877a356765747cc2cae5b4feb10c0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06ddfc1ab190c3ab2f315e0862af367c3877a356765747cc2cae5b4feb10c0fb", kill_on_drop: false }`
[INFO] [stdout] 06ddfc1ab190c3ab2f315e0862af367c3877a356765747cc2cae5b4feb10c0fb