[INFO] fetching crate only_one 0.1.0...
[INFO] testing only_one-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate only_one 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate only_one 0.1.0
[INFO] finished tweaking crates.io crate only_one 0.1.0
[INFO] tweaked toml for crates.io crate only_one 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate only_one 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] crate crates.io crate only_one 0.1.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 85f864929747debd2bdd08e838066f307110146ebd152ed21502105aded9ab22
[INFO] running `Command { std: "docker" "start" "-a" "85f864929747debd2bdd08e838066f307110146ebd152ed21502105aded9ab22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85f864929747debd2bdd08e838066f307110146ebd152ed21502105aded9ab22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85f864929747debd2bdd08e838066f307110146ebd152ed21502105aded9ab22", kill_on_drop: false }`
[INFO] [stdout] 85f864929747debd2bdd08e838066f307110146ebd152ed21502105aded9ab22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 92735d343d622f1f3a2ad51fa89b0fb2f0a8815c9dc0222ebd938fc91df80f6c
[INFO] running `Command { std: "docker" "start" "-a" "92735d343d622f1f3a2ad51fa89b0fb2f0a8815c9dc0222ebd938fc91df80f6c", kill_on_drop: false }`
[INFO] [stderr]    Compiling only_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "92735d343d622f1f3a2ad51fa89b0fb2f0a8815c9dc0222ebd938fc91df80f6c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92735d343d622f1f3a2ad51fa89b0fb2f0a8815c9dc0222ebd938fc91df80f6c", kill_on_drop: false }`
[INFO] [stdout] 92735d343d622f1f3a2ad51fa89b0fb2f0a8815c9dc0222ebd938fc91df80f6c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] dc077ab2d68cdcc36a18ddd0afd4886e2698ce160c9684008c60d076789c3172
[INFO] running `Command { std: "docker" "start" "-a" "dc077ab2d68cdcc36a18ddd0afd4886e2698ce160c9684008c60d076789c3172", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling only_one v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "dc077ab2d68cdcc36a18ddd0afd4886e2698ce160c9684008c60d076789c3172", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc077ab2d68cdcc36a18ddd0afd4886e2698ce160c9684008c60d076789c3172", kill_on_drop: false }`
[INFO] [stdout] dc077ab2d68cdcc36a18ddd0afd4886e2698ce160c9684008c60d076789c3172
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] fabcd6298f49beee42d532aac1f15b5fa0ceddffce7a5719d3b7e0663f74ac6b
[INFO] running `Command { std: "docker" "start" "-a" "fabcd6298f49beee42d532aac1f15b5fa0ceddffce7a5719d3b7e0663f74ac6b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/only_one-e1ccc9d24d5733b9)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::try_count_lines_in_file ... ok
[INFO] [stderr]    Doc-tests only_one
[INFO] [stdout] test tests::idk ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... 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] [stdout] all doctests ran in 0.72s; merged doctests compilation took 0.71s
[INFO] running `Command { std: "docker" "inspect" "fabcd6298f49beee42d532aac1f15b5fa0ceddffce7a5719d3b7e0663f74ac6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fabcd6298f49beee42d532aac1f15b5fa0ceddffce7a5719d3b7e0663f74ac6b", kill_on_drop: false }`
[INFO] [stdout] fabcd6298f49beee42d532aac1f15b5fa0ceddffce7a5719d3b7e0663f74ac6b