[INFO] fetching crate iterator-ext 0.2.0...
[INFO] testing iterator-ext-0.2.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate iterator-ext 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate iterator-ext 0.2.0 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 iterator-ext 0.2.0
[INFO] finished tweaking crates.io crate iterator-ext 0.2.0
[INFO] tweaked toml for crates.io crate iterator-ext 0.2.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 71b1c1cf667a3ab3043b383903e483fc25abee29d0b55cd8124f218c84fe4070
[INFO] running `Command { std: "docker" "start" "-a" "71b1c1cf667a3ab3043b383903e483fc25abee29d0b55cd8124f218c84fe4070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71b1c1cf667a3ab3043b383903e483fc25abee29d0b55cd8124f218c84fe4070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71b1c1cf667a3ab3043b383903e483fc25abee29d0b55cd8124f218c84fe4070", kill_on_drop: false }`
[INFO] [stdout] 71b1c1cf667a3ab3043b383903e483fc25abee29d0b55cd8124f218c84fe4070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] eed22c50e7dd16ee4056441300006184cae615f72069d6809ac3a628d118a977
[INFO] running `Command { std: "docker" "start" "-a" "eed22c50e7dd16ee4056441300006184cae615f72069d6809ac3a628d118a977", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterator-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "eed22c50e7dd16ee4056441300006184cae615f72069d6809ac3a628d118a977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eed22c50e7dd16ee4056441300006184cae615f72069d6809ac3a628d118a977", kill_on_drop: false }`
[INFO] [stdout] eed22c50e7dd16ee4056441300006184cae615f72069d6809ac3a628d118a977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d7d475ffd69bf40dc5e1b8cd3265bd7e75dbf742eb666f48690841984ae3df88
[INFO] running `Command { std: "docker" "start" "-a" "d7d475ffd69bf40dc5e1b8cd3265bd7e75dbf742eb666f48690841984ae3df88", kill_on_drop: false }`
[INFO] [stderr]    Compiling iterator-ext v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "d7d475ffd69bf40dc5e1b8cd3265bd7e75dbf742eb666f48690841984ae3df88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7d475ffd69bf40dc5e1b8cd3265bd7e75dbf742eb666f48690841984ae3df88", kill_on_drop: false }`
[INFO] [stdout] d7d475ffd69bf40dc5e1b8cd3265bd7e75dbf742eb666f48690841984ae3df88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] de86fbccd1ed356b3f7942866f164718c94f1d9886f9039bd707fe8367ab2dc9
[INFO] running `Command { std: "docker" "start" "-a" "de86fbccd1ed356b3f7942866f164718c94f1d9886f9039bd707fe8367ab2dc9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/iterator_ext-04e394eac205cd6a)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stderr]    Doc-tests iterator-ext
[INFO] [stdout] test tests::and_then_test ... ok
[INFO] [stdout] test tests::try_filter_map_test ... ok
[INFO] [stdout] test tests::try_filter_test ... ok
[INFO] [stdout] test tests::try_flat_map_results_test_1 ... ok
[INFO] [stdout] test tests::try_flat_map_test ... ok
[INFO] [stdout] test tests::try_flat_map_results_test_2 ... ok
[INFO] [stdout] test tests::try_flatten_results_test_1 ... ok
[INFO] [stdout] test tests::try_flatten_test ... ok
[INFO] [stdout] test tests::try_flatten_results_test_2 ... ok
[INFO] [stdout] test tests::try_scan_test_1 ... ok
[INFO] [stdout] test tests::try_scan_test_2 ... ok
[INFO] [stdout] test tests::try_scan_test_3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 10) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.36s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "de86fbccd1ed356b3f7942866f164718c94f1d9886f9039bd707fe8367ab2dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de86fbccd1ed356b3f7942866f164718c94f1d9886f9039bd707fe8367ab2dc9", kill_on_drop: false }`
[INFO] [stdout] de86fbccd1ed356b3f7942866f164718c94f1d9886f9039bd707fe8367ab2dc9