[INFO] fetching crate dangerous_option 0.2.0...
[INFO] testing dangerous_option-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate dangerous_option 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dangerous_option 0.2.0 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 dangerous_option 0.2.0
[INFO] finished tweaking crates.io crate dangerous_option 0.2.0
[INFO] tweaked toml for crates.io crate dangerous_option 0.2.0 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6edbed3d964c835b8277234d9e90ba22b5148c3f293f6c79ab33bece95bd69dd
[INFO] running `Command { std: "docker" "start" "-a" "6edbed3d964c835b8277234d9e90ba22b5148c3f293f6c79ab33bece95bd69dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6edbed3d964c835b8277234d9e90ba22b5148c3f293f6c79ab33bece95bd69dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6edbed3d964c835b8277234d9e90ba22b5148c3f293f6c79ab33bece95bd69dd", kill_on_drop: false }`
[INFO] [stdout] 6edbed3d964c835b8277234d9e90ba22b5148c3f293f6c79ab33bece95bd69dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e7e5091b1b8017cd51322e1b87c7e337938f2db896a1bd61fed907932525a548
[INFO] running `Command { std: "docker" "start" "-a" "e7e5091b1b8017cd51322e1b87c7e337938f2db896a1bd61fed907932525a548", kill_on_drop: false }`
[INFO] [stderr]    Compiling dangerous_option v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "e7e5091b1b8017cd51322e1b87c7e337938f2db896a1bd61fed907932525a548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7e5091b1b8017cd51322e1b87c7e337938f2db896a1bd61fed907932525a548", kill_on_drop: false }`
[INFO] [stdout] e7e5091b1b8017cd51322e1b87c7e337938f2db896a1bd61fed907932525a548
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 25170a00d433fe6ed662e6e56361b6757207646f12042a7c2731eb1a6f87063e
[INFO] running `Command { std: "docker" "start" "-a" "25170a00d433fe6ed662e6e56361b6757207646f12042a7c2731eb1a6f87063e", kill_on_drop: false }`
[INFO] [stderr]    Compiling dangerous_option v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "25170a00d433fe6ed662e6e56361b6757207646f12042a7c2731eb1a6f87063e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25170a00d433fe6ed662e6e56361b6757207646f12042a7c2731eb1a6f87063e", kill_on_drop: false }`
[INFO] [stdout] 25170a00d433fe6ed662e6e56361b6757207646f12042a7c2731eb1a6f87063e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 11ff033cf94148e66ab81bc5aedd8d3d9c4320a5738e46f82734b66dd333a2e7
[INFO] running `Command { std: "docker" "start" "-a" "11ff033cf94148e66ab81bc5aedd8d3d9c4320a5738e46f82734b66dd333a2e7", 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/dangerous_option-fb58f864799de053)
[INFO] [stdout] running 4 tests
[INFO] [stderr]    Doc-tests dangerous_option
[INFO] [stdout] test tests::panic3 - should panic ... ok
[INFO] [stdout] test tests::panic2 - should panic ... ok
[INFO] [stdout] test tests::success ... ok
[INFO] [stdout] test tests::panic1 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[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" "11ff033cf94148e66ab81bc5aedd8d3d9c4320a5738e46f82734b66dd333a2e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11ff033cf94148e66ab81bc5aedd8d3d9c4320a5738e46f82734b66dd333a2e7", kill_on_drop: false }`
[INFO] [stdout] 11ff033cf94148e66ab81bc5aedd8d3d9c4320a5738e46f82734b66dd333a2e7