[INFO] fetching crate opt_reduce 1.0.0...
[INFO] testing opt_reduce-1.0.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate opt_reduce 1.0.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate opt_reduce 1.0.0 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opt_reduce 1.0.0
[INFO] finished tweaking crates.io crate opt_reduce 1.0.0
[INFO] tweaked toml for crates.io crate opt_reduce 1.0.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7a7f70c65fe2fe150d20bacad1c41c673b405b44349de5971a135c36e1a2db38
[INFO] running `Command { std: "docker" "start" "-a" "7a7f70c65fe2fe150d20bacad1c41c673b405b44349de5971a135c36e1a2db38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7a7f70c65fe2fe150d20bacad1c41c673b405b44349de5971a135c36e1a2db38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7f70c65fe2fe150d20bacad1c41c673b405b44349de5971a135c36e1a2db38", kill_on_drop: false }`
[INFO] [stdout] 7a7f70c65fe2fe150d20bacad1c41c673b405b44349de5971a135c36e1a2db38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d09bad0249b1a7534ea294f3d0069803a454be86e239b16b552d16058b3596dc
[INFO] running `Command { std: "docker" "start" "-a" "d09bad0249b1a7534ea294f3d0069803a454be86e239b16b552d16058b3596dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt_reduce v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "d09bad0249b1a7534ea294f3d0069803a454be86e239b16b552d16058b3596dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09bad0249b1a7534ea294f3d0069803a454be86e239b16b552d16058b3596dc", kill_on_drop: false }`
[INFO] [stdout] d09bad0249b1a7534ea294f3d0069803a454be86e239b16b552d16058b3596dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69cfc82f99ae29af3b4dfc2eb5cabab012ac466739944ee8dd6fed020bdb1b0b
[INFO] running `Command { std: "docker" "start" "-a" "69cfc82f99ae29af3b4dfc2eb5cabab012ac466739944ee8dd6fed020bdb1b0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling opt_reduce v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "69cfc82f99ae29af3b4dfc2eb5cabab012ac466739944ee8dd6fed020bdb1b0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69cfc82f99ae29af3b4dfc2eb5cabab012ac466739944ee8dd6fed020bdb1b0b", kill_on_drop: false }`
[INFO] [stdout] 69cfc82f99ae29af3b4dfc2eb5cabab012ac466739944ee8dd6fed020bdb1b0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc775a68e886e651ad2a797cb4ab452762d134ea864dcd2f54c07b4515dbbcfa
[INFO] running `Command { std: "docker" "start" "-a" "dc775a68e886e651ad2a797cb4ab452762d134ea864dcd2f54c07b4515dbbcfa", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/opt_reduce-3c0fb6822b2bc0e5)
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests opt_reduce
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - reduce (line 24) ... ok
[INFO] [stdout] test src/lib.rs - OptionExt::reduce (line 69) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.48s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc775a68e886e651ad2a797cb4ab452762d134ea864dcd2f54c07b4515dbbcfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc775a68e886e651ad2a797cb4ab452762d134ea864dcd2f54c07b4515dbbcfa", kill_on_drop: false }`
[INFO] [stdout] dc775a68e886e651ad2a797cb4ab452762d134ea864dcd2f54c07b4515dbbcfa