[INFO] fetching crate maybe 0.0.0...
[INFO] testing maybe-0.0.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate maybe 0.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate maybe 0.0.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate maybe 0.0.0
[INFO] finished tweaking crates.io crate maybe 0.0.0
[INFO] tweaked toml for crates.io crate maybe 0.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c33823b4cf17acc3ef06a0b97bfe1485601b0b7bc84d55e1782cc7c5154e1d0e
[INFO] running `Command { std: "docker" "start" "-a" "c33823b4cf17acc3ef06a0b97bfe1485601b0b7bc84d55e1782cc7c5154e1d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c33823b4cf17acc3ef06a0b97bfe1485601b0b7bc84d55e1782cc7c5154e1d0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33823b4cf17acc3ef06a0b97bfe1485601b0b7bc84d55e1782cc7c5154e1d0e", kill_on_drop: false }`
[INFO] [stdout] c33823b4cf17acc3ef06a0b97bfe1485601b0b7bc84d55e1782cc7c5154e1d0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34553b87564cf459163a63482cab5629312763ca7e88bf9e710aca493f2fdb78
[INFO] running `Command { std: "docker" "start" "-a" "34553b87564cf459163a63482cab5629312763ca7e88bf9e710aca493f2fdb78", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "34553b87564cf459163a63482cab5629312763ca7e88bf9e710aca493f2fdb78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34553b87564cf459163a63482cab5629312763ca7e88bf9e710aca493f2fdb78", kill_on_drop: false }`
[INFO] [stdout] 34553b87564cf459163a63482cab5629312763ca7e88bf9e710aca493f2fdb78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 278decae341cef2404e03fa1d8e3ca0390e2c1f03a5b6c019ef1079e5813f176
[INFO] running `Command { std: "docker" "start" "-a" "278decae341cef2404e03fa1d8e3ca0390e2c1f03a5b6c019ef1079e5813f176", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "278decae341cef2404e03fa1d8e3ca0390e2c1f03a5b6c019ef1079e5813f176", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "278decae341cef2404e03fa1d8e3ca0390e2c1f03a5b6c019ef1079e5813f176", kill_on_drop: false }`
[INFO] [stdout] 278decae341cef2404e03fa1d8e3ca0390e2c1f03a5b6c019ef1079e5813f176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=forbid" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b07503bb40f3d76969968792e59f27a057eba07075b1044bd874b7fec7f8c022
[INFO] running `Command { std: "docker" "start" "-a" "b07503bb40f3d76969968792e59f27a057eba07075b1044bd874b7fec7f8c022", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/maybe-c5d13cadf5747311)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests maybe
[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] [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" "b07503bb40f3d76969968792e59f27a057eba07075b1044bd874b7fec7f8c022", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07503bb40f3d76969968792e59f27a057eba07075b1044bd874b7fec7f8c022", kill_on_drop: false }`
[INFO] [stdout] b07503bb40f3d76969968792e59f27a057eba07075b1044bd874b7fec7f8c022