[INFO] fetching crate retrom 0.0.50...
[INFO] testing retrom-0.0.50 against 1.91.0 for beta-1.92-2
[INFO] extracting crate retrom 0.0.50 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate retrom 0.0.50
[INFO] finished tweaking crates.io crate retrom 0.0.50
[INFO] tweaked toml for crates.io crate retrom 0.0.50 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate retrom 0.0.50 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate retrom 0.0.50 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1868d8e01cc032d404330f147d1a302fc4e29a71eab0ce0fd053d0e2219552c6
[INFO] running `Command { std: "docker" "start" "-a" "1868d8e01cc032d404330f147d1a302fc4e29a71eab0ce0fd053d0e2219552c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1868d8e01cc032d404330f147d1a302fc4e29a71eab0ce0fd053d0e2219552c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1868d8e01cc032d404330f147d1a302fc4e29a71eab0ce0fd053d0e2219552c6", kill_on_drop: false }`
[INFO] [stdout] 1868d8e01cc032d404330f147d1a302fc4e29a71eab0ce0fd053d0e2219552c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5f9cf11c1ef232001355d8c47075a160993695f54ff1c453f8faf5b233f8ece
[INFO] running `Command { std: "docker" "start" "-a" "e5f9cf11c1ef232001355d8c47075a160993695f54ff1c453f8faf5b233f8ece", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrom v0.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "e5f9cf11c1ef232001355d8c47075a160993695f54ff1c453f8faf5b233f8ece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f9cf11c1ef232001355d8c47075a160993695f54ff1c453f8faf5b233f8ece", kill_on_drop: false }`
[INFO] [stdout] e5f9cf11c1ef232001355d8c47075a160993695f54ff1c453f8faf5b233f8ece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 084c91d4ae4c6c1a30891c8b0819a0ff8a8db61bd0e658930dce5ed532b42418
[INFO] running `Command { std: "docker" "start" "-a" "084c91d4ae4c6c1a30891c8b0819a0ff8a8db61bd0e658930dce5ed532b42418", kill_on_drop: false }`
[INFO] [stderr]    Compiling retrom v0.0.50 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "084c91d4ae4c6c1a30891c8b0819a0ff8a8db61bd0e658930dce5ed532b42418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "084c91d4ae4c6c1a30891c8b0819a0ff8a8db61bd0e658930dce5ed532b42418", kill_on_drop: false }`
[INFO] [stdout] 084c91d4ae4c6c1a30891c8b0819a0ff8a8db61bd0e658930dce5ed532b42418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f8a5a06fe787f938c40fa3ecafd7359e229363088b82063f364615c432649973
[INFO] running `Command { std: "docker" "start" "-a" "f8a5a06fe787f938c40fa3ecafd7359e229363088b82063f364615c432649973", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/retrom-c5240cadb6777d65)
[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" "f8a5a06fe787f938c40fa3ecafd7359e229363088b82063f364615c432649973", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a5a06fe787f938c40fa3ecafd7359e229363088b82063f364615c432649973", kill_on_drop: false }`
[INFO] [stdout] f8a5a06fe787f938c40fa3ecafd7359e229363088b82063f364615c432649973