[INFO] fetching crate fmt2 0.3.4...
[INFO] testing fmt2-0.3.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fmt2 0.3.4 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate fmt2 0.3.4
[INFO] finished tweaking crates.io crate fmt2 0.3.4
[INFO] tweaked toml for crates.io crate fmt2 0.3.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fmt2 0.3.4 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fmt2 0.3.4 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce7f6bf20c17d7a3c9689e0287fb1934a35b1d4767606d65f8676d5e6335ec96
[INFO] running `Command { std: "docker" "start" "-a" "ce7f6bf20c17d7a3c9689e0287fb1934a35b1d4767606d65f8676d5e6335ec96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce7f6bf20c17d7a3c9689e0287fb1934a35b1d4767606d65f8676d5e6335ec96", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce7f6bf20c17d7a3c9689e0287fb1934a35b1d4767606d65f8676d5e6335ec96", kill_on_drop: false }`
[INFO] [stdout] ce7f6bf20c17d7a3c9689e0287fb1934a35b1d4767606d65f8676d5e6335ec96
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8bec627cbe503eef6441bf1e2f23cfdaaf49b079b13d5f39c1d590305a3b84
[INFO] running `Command { std: "docker" "start" "-a" "9f8bec627cbe503eef6441bf1e2f23cfdaaf49b079b13d5f39c1d590305a3b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling transmute_guard v0.2.5
[INFO] [stderr]    Compiling fmt2 v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "9f8bec627cbe503eef6441bf1e2f23cfdaaf49b079b13d5f39c1d590305a3b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8bec627cbe503eef6441bf1e2f23cfdaaf49b079b13d5f39c1d590305a3b84", kill_on_drop: false }`
[INFO] [stdout] 9f8bec627cbe503eef6441bf1e2f23cfdaaf49b079b13d5f39c1d590305a3b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ae2d7c7f1224065beb437e368b432b7a2c642238711272bfe2ae49da1995d93
[INFO] running `Command { std: "docker" "start" "-a" "9ae2d7c7f1224065beb437e368b432b7a2c642238711272bfe2ae49da1995d93", kill_on_drop: false }`
[INFO] [stderr]    Compiling fmt2 v0.3.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "9ae2d7c7f1224065beb437e368b432b7a2c642238711272bfe2ae49da1995d93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ae2d7c7f1224065beb437e368b432b7a2c642238711272bfe2ae49da1995d93", kill_on_drop: false }`
[INFO] [stdout] 9ae2d7c7f1224065beb437e368b432b7a2c642238711272bfe2ae49da1995d93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d669ba0407af2fa045e76e451ac5449999cb862b7892b95a9fda1a7a7d7e4a7e
[INFO] running `Command { std: "docker" "start" "-a" "d669ba0407af2fa045e76e451ac5449999cb862b7892b95a9fda1a7a7d7e4a7e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fmt2-37837ac5caf3e716)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test macros::test ... ok
[INFO] [stdout] test utils::tests::test_first_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fmt2
[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" "d669ba0407af2fa045e76e451ac5449999cb862b7892b95a9fda1a7a7d7e4a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d669ba0407af2fa045e76e451ac5449999cb862b7892b95a9fda1a7a7d7e4a7e", kill_on_drop: false }`
[INFO] [stdout] d669ba0407af2fa045e76e451ac5449999cb862b7892b95a9fda1a7a7d7e4a7e