[INFO] fetching crate pipebuf_mio 0.2.1...
[INFO] testing pipebuf_mio-0.2.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate pipebuf_mio 0.2.1 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate pipebuf_mio 0.2.1
[INFO] finished tweaking crates.io crate pipebuf_mio 0.2.1
[INFO] tweaked toml for crates.io crate pipebuf_mio 0.2.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pipebuf_mio 0.2.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.1.0)
[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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e3cf83d73df1e76b340be55effdde9236414f774a3fb32fafae7f4adc52b91e8
[INFO] running `Command { std: "docker" "start" "-a" "e3cf83d73df1e76b340be55effdde9236414f774a3fb32fafae7f4adc52b91e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3cf83d73df1e76b340be55effdde9236414f774a3fb32fafae7f4adc52b91e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3cf83d73df1e76b340be55effdde9236414f774a3fb32fafae7f4adc52b91e8", kill_on_drop: false }`
[INFO] [stdout] e3cf83d73df1e76b340be55effdde9236414f774a3fb32fafae7f4adc52b91e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 798aff0bf975121222d1b56b3bbe984f5d10afe353d04f56dadb8029203f1eff
[INFO] running `Command { std: "docker" "start" "-a" "798aff0bf975121222d1b56b3bbe984f5d10afe353d04f56dadb8029203f1eff", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipebuf v0.3.2
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling pipebuf_mio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `Command { std: "docker" "inspect" "798aff0bf975121222d1b56b3bbe984f5d10afe353d04f56dadb8029203f1eff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "798aff0bf975121222d1b56b3bbe984f5d10afe353d04f56dadb8029203f1eff", kill_on_drop: false }`
[INFO] [stdout] 798aff0bf975121222d1b56b3bbe984f5d10afe353d04f56dadb8029203f1eff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3734a741f27595539e82a2ab827216d2e9dbc33252a8850643cf04ba69a97057
[INFO] running `Command { std: "docker" "start" "-a" "3734a741f27595539e82a2ab827216d2e9dbc33252a8850643cf04ba69a97057", kill_on_drop: false }`
[INFO] [stderr]    Compiling pipebuf_mio v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.50s
[INFO] running `Command { std: "docker" "inspect" "3734a741f27595539e82a2ab827216d2e9dbc33252a8850643cf04ba69a97057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3734a741f27595539e82a2ab827216d2e9dbc33252a8850643cf04ba69a97057", kill_on_drop: false }`
[INFO] [stdout] 3734a741f27595539e82a2ab827216d2e9dbc33252a8850643cf04ba69a97057
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 07ac8c59450442de416e3fa5b8f24d716c4a00a6b6c8f80cc93ecf81d93701b4
[INFO] running `Command { std: "docker" "start" "-a" "07ac8c59450442de416e3fa5b8f24d716c4a00a6b6c8f80cc93ecf81d93701b4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/pipebuf_mio-6c1b7b5e46c81e49)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests pipebuf_mio
[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] [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" "07ac8c59450442de416e3fa5b8f24d716c4a00a6b6c8f80cc93ecf81d93701b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07ac8c59450442de416e3fa5b8f24d716c4a00a6b6c8f80cc93ecf81d93701b4", kill_on_drop: false }`
[INFO] [stdout] 07ac8c59450442de416e3fa5b8f24d716c4a00a6b6c8f80cc93ecf81d93701b4