[INFO] fetching crate libtest2-harness 0.0.3...
[INFO] testing libtest2-harness-0.0.3 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate libtest2-harness 0.0.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate libtest2-harness 0.0.3
[INFO] finished tweaking crates.io crate libtest2-harness 0.0.3
[INFO] tweaked toml for crates.io crate libtest2-harness 0.0.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libtest2-harness 0.0.3 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 libtest2-harness 0.0.3 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-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] 78727ebd0b0e458587c591f82887d1f99648ba4f9d9c0ba2c90d5ad0ed55102f
[INFO] running `Command { std: "docker" "start" "-a" "78727ebd0b0e458587c591f82887d1f99648ba4f9d9c0ba2c90d5ad0ed55102f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78727ebd0b0e458587c591f82887d1f99648ba4f9d9c0ba2c90d5ad0ed55102f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78727ebd0b0e458587c591f82887d1f99648ba4f9d9c0ba2c90d5ad0ed55102f", kill_on_drop: false }`
[INFO] [stdout] 78727ebd0b0e458587c591f82887d1f99648ba4f9d9c0ba2c90d5ad0ed55102f
[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] 11e9edf3d23faa6f8ef3abf291df381a1adcbca2c2b29b096ad65ec3c3bde692
[INFO] running `Command { std: "docker" "start" "-a" "11e9edf3d23faa6f8ef3abf291df381a1adcbca2c2b29b096ad65ec3c3bde692", kill_on_drop: false }`
[INFO] [stderr]    Compiling lexarg-parser v0.0.2
[INFO] [stderr]    Compiling json-write v0.0.2
[INFO] [stderr]    Compiling libtest-json v0.0.2
[INFO] [stderr]    Compiling lexarg-error v0.0.2
[INFO] [stderr]    Compiling lexarg v0.0.2
[INFO] [stderr]    Compiling libtest-lexarg v0.0.3
[INFO] [stderr]    Compiling libtest2-harness v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "11e9edf3d23faa6f8ef3abf291df381a1adcbca2c2b29b096ad65ec3c3bde692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e9edf3d23faa6f8ef3abf291df381a1adcbca2c2b29b096ad65ec3c3bde692", kill_on_drop: false }`
[INFO] [stdout] 11e9edf3d23faa6f8ef3abf291df381a1adcbca2c2b29b096ad65ec3c3bde692
[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] 3b8436fe327f01fcc9f03726af33d0a3fc9f169774b50c9e09a6adc1bcb33cae
[INFO] running `Command { std: "docker" "start" "-a" "3b8436fe327f01fcc9f03726af33d0a3fc9f169774b50c9e09a6adc1bcb33cae", kill_on_drop: false }`
[INFO] [stderr]    Compiling libtest2-harness v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3b8436fe327f01fcc9f03726af33d0a3fc9f169774b50c9e09a6adc1bcb33cae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8436fe327f01fcc9f03726af33d0a3fc9f169774b50c9e09a6adc1bcb33cae", kill_on_drop: false }`
[INFO] [stdout] 3b8436fe327f01fcc9f03726af33d0a3fc9f169774b50c9e09a6adc1bcb33cae
[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] 25b793b3f5211fccf75436d8208a948af084c9a2ff5d222804b476258c17a04f
[INFO] running `Command { std: "docker" "start" "-a" "25b793b3f5211fccf75436d8208a948af084c9a2ff5d222804b476258c17a04f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libtest2_harness-dea5f3fc2a2f23e6)
[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] [stderr]    Doc-tests libtest2_harness
[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" "25b793b3f5211fccf75436d8208a948af084c9a2ff5d222804b476258c17a04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25b793b3f5211fccf75436d8208a948af084c9a2ff5d222804b476258c17a04f", kill_on_drop: false }`
[INFO] [stdout] 25b793b3f5211fccf75436d8208a948af084c9a2ff5d222804b476258c17a04f