[INFO] fetching crate return_if_ok 0.1.0...
[INFO] testing return_if_ok-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate return_if_ok 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate return_if_ok 0.1.0
[INFO] finished tweaking crates.io crate return_if_ok 0.1.0
[INFO] tweaked toml for crates.io crate return_if_ok 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate return_if_ok 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c08a2acfb0382d8a65c4ced7de95e403e6857b051a333ed1f06c438a92fb7b6d
[INFO] running `Command { std: "docker" "start" "-a" "c08a2acfb0382d8a65c4ced7de95e403e6857b051a333ed1f06c438a92fb7b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c08a2acfb0382d8a65c4ced7de95e403e6857b051a333ed1f06c438a92fb7b6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c08a2acfb0382d8a65c4ced7de95e403e6857b051a333ed1f06c438a92fb7b6d", kill_on_drop: false }`
[INFO] [stdout] c08a2acfb0382d8a65c4ced7de95e403e6857b051a333ed1f06c438a92fb7b6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d481c135b38b1bb38a817e21744a565e10c59777441c8d593414cdbbd5ba5a9
[INFO] running `Command { std: "docker" "start" "-a" "2d481c135b38b1bb38a817e21744a565e10c59777441c8d593414cdbbd5ba5a9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling return_if_ok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] running `Command { std: "docker" "inspect" "2d481c135b38b1bb38a817e21744a565e10c59777441c8d593414cdbbd5ba5a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d481c135b38b1bb38a817e21744a565e10c59777441c8d593414cdbbd5ba5a9", kill_on_drop: false }`
[INFO] [stdout] 2d481c135b38b1bb38a817e21744a565e10c59777441c8d593414cdbbd5ba5a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 271b70230ff4d2dbdaa89a48c1497b3bb6e47ece8acc77fe400cb1b1d96de145
[INFO] running `Command { std: "docker" "start" "-a" "271b70230ff4d2dbdaa89a48c1497b3bb6e47ece8acc77fe400cb1b1d96de145", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling return_if_ok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s
[INFO] running `Command { std: "docker" "inspect" "271b70230ff4d2dbdaa89a48c1497b3bb6e47ece8acc77fe400cb1b1d96de145", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "271b70230ff4d2dbdaa89a48c1497b3bb6e47ece8acc77fe400cb1b1d96de145", kill_on_drop: false }`
[INFO] [stdout] 271b70230ff4d2dbdaa89a48c1497b3bb6e47ece8acc77fe400cb1b1d96de145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d089fce1bd29b755c8a44c169b007f429556ce841f915aea33b114a0b8fe408e
[INFO] running `Command { std: "docker" "start" "-a" "d089fce1bd29b755c8a44c169b007f429556ce841f915aea33b114a0b8fe408e", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests lib.rs (/opt/rustwide/target/debug/deps/return_if_ok-8032413e6ae09d67)
[INFO] running `Command { std: "docker" "inspect" "d089fce1bd29b755c8a44c169b007f429556ce841f915aea33b114a0b8fe408e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d089fce1bd29b755c8a44c169b007f429556ce841f915aea33b114a0b8fe408e", kill_on_drop: false }`
[INFO] [stdout] d089fce1bd29b755c8a44c169b007f429556ce841f915aea33b114a0b8fe408e