[INFO] fetching crate unix-cred 0.1.1...
[INFO] testing unix-cred-0.1.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate unix-cred 0.1.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate unix-cred 0.1.1
[INFO] finished tweaking crates.io crate unix-cred 0.1.1
[INFO] tweaked toml for crates.io crate unix-cred 0.1.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unix-cred 0.1.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 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-2026-04-21" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47745230c6bacb41c69e754e1a77803920a88d9f07f93694b69d63855f171632
[INFO] running `Command { std: "docker" "start" "-a" "47745230c6bacb41c69e754e1a77803920a88d9f07f93694b69d63855f171632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47745230c6bacb41c69e754e1a77803920a88d9f07f93694b69d63855f171632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47745230c6bacb41c69e754e1a77803920a88d9f07f93694b69d63855f171632", kill_on_drop: false }`
[INFO] [stdout] 47745230c6bacb41c69e754e1a77803920a88d9f07f93694b69d63855f171632
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b99a8ffde23c302d9cb807037d4bb622ec3df7bf92faf0e2c5142cddc3ed053
[INFO] running `Command { std: "docker" "start" "-a" "8b99a8ffde23c302d9cb807037d4bb622ec3df7bf92faf0e2c5142cddc3ed053", kill_on_drop: false }`
[INFO] [stderr]    Compiling unix-cred v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "8b99a8ffde23c302d9cb807037d4bb622ec3df7bf92faf0e2c5142cddc3ed053", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b99a8ffde23c302d9cb807037d4bb622ec3df7bf92faf0e2c5142cddc3ed053", kill_on_drop: false }`
[INFO] [stdout] 8b99a8ffde23c302d9cb807037d4bb622ec3df7bf92faf0e2c5142cddc3ed053
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] af043007454e05f9dbefb487d1700b37be9ba2c0efd5956cd3851e213da94280
[INFO] running `Command { std: "docker" "start" "-a" "af043007454e05f9dbefb487d1700b37be9ba2c0efd5956cd3851e213da94280", kill_on_drop: false }`
[INFO] [stderr]    Compiling tempfile v3.27.0
[INFO] [stderr]    Compiling unix-cred v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "af043007454e05f9dbefb487d1700b37be9ba2c0efd5956cd3851e213da94280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af043007454e05f9dbefb487d1700b37be9ba2c0efd5956cd3851e213da94280", kill_on_drop: false }`
[INFO] [stdout] af043007454e05f9dbefb487d1700b37be9ba2c0efd5956cd3851e213da94280
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0752c33c978951db127be975fd28628f2c4ef7cc9004cee794b4fad0a8f2948e
[INFO] running `Command { std: "docker" "start" "-a" "0752c33c978951db127be975fd28628f2c4ef7cc9004cee794b4fad0a8f2948e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unix_cred-096b88f81efd9f3f)
[INFO] [stderr] fatal runtime error: IO Safety violation: owned file descriptor already closed, aborting
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/unix_cred-096b88f81efd9f3f` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "0752c33c978951db127be975fd28628f2c4ef7cc9004cee794b4fad0a8f2948e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0752c33c978951db127be975fd28628f2c4ef7cc9004cee794b4fad0a8f2948e", kill_on_drop: false }`
[INFO] [stdout] 0752c33c978951db127be975fd28628f2c4ef7cc9004cee794b4fad0a8f2948e
