[INFO] cloning repository https://github.com/antonmisa/rust_combinators_vs_return
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/antonmisa/rust_combinators_vs_return" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_combinators_vs_return", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_combinators_vs_return'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2fb7b6d79f29f6912ee698a06ac2aea407b0edd9
[INFO] testing antonmisa/rust_combinators_vs_return against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fantonmisa%2Frust_combinators_vs_return" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/antonmisa/rust_combinators_vs_return on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/antonmisa/rust_combinators_vs_return
[INFO] finished tweaking git repo https://github.com/antonmisa/rust_combinators_vs_return
[INFO] tweaked toml for git repo https://github.com/antonmisa/rust_combinators_vs_return written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/antonmisa/rust_combinators_vs_return already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae14790b5d5c1c78e672694c4cfe728ae621942850c404b40cbe4827a4d90c7
[INFO] running `Command { std: "docker" "start" "-a" "1ae14790b5d5c1c78e672694c4cfe728ae621942850c404b40cbe4827a4d90c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae14790b5d5c1c78e672694c4cfe728ae621942850c404b40cbe4827a4d90c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae14790b5d5c1c78e672694c4cfe728ae621942850c404b40cbe4827a4d90c7", kill_on_drop: false }`
[INFO] [stdout] 1ae14790b5d5c1c78e672694c4cfe728ae621942850c404b40cbe4827a4d90c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e1e1ade268f0256fbef35d7bd76d0dc8d1df0958fad3d434d1b837abe247c4
[INFO] running `Command { std: "docker" "start" "-a" "33e1e1ade268f0256fbef35d7bd76d0dc8d1df0958fad3d434d1b837abe247c4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling combination v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 55s
[INFO] running `Command { std: "docker" "inspect" "33e1e1ade268f0256fbef35d7bd76d0dc8d1df0958fad3d434d1b837abe247c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e1e1ade268f0256fbef35d7bd76d0dc8d1df0958fad3d434d1b837abe247c4", kill_on_drop: false }`
[INFO] [stdout] 33e1e1ade268f0256fbef35d7bd76d0dc8d1df0958fad3d434d1b837abe247c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89d5d39a314766045a93c97cc7a563cb69a0a1654136675f75df73120821f599
[INFO] running `Command { std: "docker" "start" "-a" "89d5d39a314766045a93c97cc7a563cb69a0a1654136675f75df73120821f599", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling combination v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "89d5d39a314766045a93c97cc7a563cb69a0a1654136675f75df73120821f599", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89d5d39a314766045a93c97cc7a563cb69a0a1654136675f75df73120821f599", kill_on_drop: false }`
[INFO] [stdout] 89d5d39a314766045a93c97cc7a563cb69a0a1654136675f75df73120821f599
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8fa6464e21b36e0b99206bd5fe611071ff333fe4d54e99098f4d82261fac723a
[INFO] running `Command { std: "docker" "start" "-a" "8fa6464e21b36e0b99206bd5fe611071ff333fe4d54e99098f4d82261fac723a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.28s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combination-a8362f03a8fedcb3)
[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" "8fa6464e21b36e0b99206bd5fe611071ff333fe4d54e99098f4d82261fac723a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa6464e21b36e0b99206bd5fe611071ff333fe4d54e99098f4d82261fac723a", kill_on_drop: false }`
[INFO] [stdout] 8fa6464e21b36e0b99206bd5fe611071ff333fe4d54e99098f4d82261fac723a