[INFO] fetching crate crb-parallel 0.0.20...
[INFO] testing crb-parallel-0.0.20 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate crb-parallel 0.0.20 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate crb-parallel 0.0.20
[INFO] finished tweaking crates.io crate crb-parallel 0.0.20
[INFO] tweaked toml for crates.io crate crb-parallel 0.0.20 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crb-parallel 0.0.20 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 1d673f5e07d4ef630ace635b5cfe585ed0840c74bf2db1c280e13df78e4c9837
[INFO] running `Command { std: "docker" "start" "-a" "1d673f5e07d4ef630ace635b5cfe585ed0840c74bf2db1c280e13df78e4c9837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1d673f5e07d4ef630ace635b5cfe585ed0840c74bf2db1c280e13df78e4c9837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d673f5e07d4ef630ace635b5cfe585ed0840c74bf2db1c280e13df78e4c9837", kill_on_drop: false }`
[INFO] [stdout] 1d673f5e07d4ef630ace635b5cfe585ed0840c74bf2db1c280e13df78e4c9837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9fe1b33e12d38d5f9d454244dddb66dd2510724f4d1b6201f3744ac5afad02d2
[INFO] running `Command { std: "docker" "start" "-a" "9fe1b33e12d38d5f9d454244dddb66dd2510724f4d1b6201f3744ac5afad02d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]    Compiling crb-parallel v0.0.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "9fe1b33e12d38d5f9d454244dddb66dd2510724f4d1b6201f3744ac5afad02d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe1b33e12d38d5f9d454244dddb66dd2510724f4d1b6201f3744ac5afad02d2", kill_on_drop: false }`
[INFO] [stdout] 9fe1b33e12d38d5f9d454244dddb66dd2510724f4d1b6201f3744ac5afad02d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 49fcfd1f4bf04ccddc71ac7bd14379bc43625c8bd5541cf8457682e0341830c1
[INFO] running `Command { std: "docker" "start" "-a" "49fcfd1f4bf04ccddc71ac7bd14379bc43625c8bd5541cf8457682e0341830c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crb-parallel v0.0.20 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "49fcfd1f4bf04ccddc71ac7bd14379bc43625c8bd5541cf8457682e0341830c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49fcfd1f4bf04ccddc71ac7bd14379bc43625c8bd5541cf8457682e0341830c1", kill_on_drop: false }`
[INFO] [stdout] 49fcfd1f4bf04ccddc71ac7bd14379bc43625c8bd5541cf8457682e0341830c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 2d3f7acd628b7d655761fc8dd59438daa5b0952dd053b8e715daef0a6e0f68bf
[INFO] running `Command { std: "docker" "start" "-a" "2d3f7acd628b7d655761fc8dd59438daa5b0952dd053b8e715daef0a6e0f68bf", 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/crb_parallel-f79633448c8cdeb7)
[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 crb_parallel
[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" "2d3f7acd628b7d655761fc8dd59438daa5b0952dd053b8e715daef0a6e0f68bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3f7acd628b7d655761fc8dd59438daa5b0952dd053b8e715daef0a6e0f68bf", kill_on_drop: false }`
[INFO] [stdout] 2d3f7acd628b7d655761fc8dd59438daa5b0952dd053b8e715daef0a6e0f68bf