[INFO] fetching crate ungrammar 1.16.1...
[INFO] testing ungrammar-1.16.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate ungrammar 1.16.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ungrammar 1.16.1
[INFO] finished tweaking crates.io crate ungrammar 1.16.1
[INFO] tweaked toml for crates.io crate ungrammar 1.16.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ungrammar 1.16.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 29548ab039945bcca3f370ad68834a8e04fb11720ba0f00092c72bf05fd16d7c
[INFO] running `Command { std: "docker" "start" "-a" "29548ab039945bcca3f370ad68834a8e04fb11720ba0f00092c72bf05fd16d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29548ab039945bcca3f370ad68834a8e04fb11720ba0f00092c72bf05fd16d7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29548ab039945bcca3f370ad68834a8e04fb11720ba0f00092c72bf05fd16d7c", kill_on_drop: false }`
[INFO] [stdout] 29548ab039945bcca3f370ad68834a8e04fb11720ba0f00092c72bf05fd16d7c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 2e11bacb0144c11e162c6084fe318bc35d2840efd3a9e90739d133a4fe5aa2f2
[INFO] running `Command { std: "docker" "start" "-a" "2e11bacb0144c11e162c6084fe318bc35d2840efd3a9e90739d133a4fe5aa2f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ungrammar v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "2e11bacb0144c11e162c6084fe318bc35d2840efd3a9e90739d133a4fe5aa2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e11bacb0144c11e162c6084fe318bc35d2840efd3a9e90739d133a4fe5aa2f2", kill_on_drop: false }`
[INFO] [stdout] 2e11bacb0144c11e162c6084fe318bc35d2840efd3a9e90739d133a4fe5aa2f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 54d67ad22214afdf192fd410b508bac274bc02298b3010a160e6e2c584bdae11
[INFO] running `Command { std: "docker" "start" "-a" "54d67ad22214afdf192fd410b508bac274bc02298b3010a160e6e2c584bdae11", kill_on_drop: false }`
[INFO] [stderr]    Compiling ungrammar v1.16.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "54d67ad22214afdf192fd410b508bac274bc02298b3010a160e6e2c584bdae11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54d67ad22214afdf192fd410b508bac274bc02298b3010a160e6e2c584bdae11", kill_on_drop: false }`
[INFO] [stdout] 54d67ad22214afdf192fd410b508bac274bc02298b3010a160e6e2c584bdae11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6fb544bcf95bdccc310f8ff7a33a3d2338d7c9a9ddf0234cc8432f7b6aa634b2
[INFO] running `Command { std: "docker" "start" "-a" "6fb544bcf95bdccc310f8ff7a33a3d2338d7c9a9ddf0234cc8432f7b6aa634b2", 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/ungrammar-a46af704484cec5d)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test smoke ... ok
[INFO] [stdout] test test_rust_grammar ... 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] [stderr]    Doc-tests ungrammar
[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" "6fb544bcf95bdccc310f8ff7a33a3d2338d7c9a9ddf0234cc8432f7b6aa634b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fb544bcf95bdccc310f8ff7a33a3d2338d7c9a9ddf0234cc8432f7b6aa634b2", kill_on_drop: false }`
[INFO] [stdout] 6fb544bcf95bdccc310f8ff7a33a3d2338d7c9a9ddf0234cc8432f7b6aa634b2