[INFO] fetching crate zerror 0.8.0...
[INFO] testing zerror-0.8.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate zerror 0.8.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate zerror 0.8.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate zerror 0.8.0
[INFO] tweaked toml for crates.io crate zerror 0.8.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zerror 0.8.0 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] crate crates.io crate zerror 0.8.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4f116e26c67af6f805ca76cc88b7c2e49dd4b7abde4637b74d3e5ac59d5f5f6
[INFO] running `Command { std: "docker" "start" "-a" "f4f116e26c67af6f805ca76cc88b7c2e49dd4b7abde4637b74d3e5ac59d5f5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4f116e26c67af6f805ca76cc88b7c2e49dd4b7abde4637b74d3e5ac59d5f5f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4f116e26c67af6f805ca76cc88b7c2e49dd4b7abde4637b74d3e5ac59d5f5f6", kill_on_drop: false }`
[INFO] [stdout] f4f116e26c67af6f805ca76cc88b7c2e49dd4b7abde4637b74d3e5ac59d5f5f6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0227b3a04cc6129efd649c485c35c1c87fa13b351f94d6df0fd928c7e81617b9
[INFO] running `Command { std: "docker" "start" "-a" "0227b3a04cc6129efd649c485c35c1c87fa13b351f94d6df0fd928c7e81617b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerror v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] running `Command { std: "docker" "inspect" "0227b3a04cc6129efd649c485c35c1c87fa13b351f94d6df0fd928c7e81617b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0227b3a04cc6129efd649c485c35c1c87fa13b351f94d6df0fd928c7e81617b9", kill_on_drop: false }`
[INFO] [stdout] 0227b3a04cc6129efd649c485c35c1c87fa13b351f94d6df0fd928c7e81617b9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06c47e7f2213719f67d0ea22d61523d68573ab471cb18299a5fe176db8534766
[INFO] running `Command { std: "docker" "start" "-a" "06c47e7f2213719f67d0ea22d61523d68573ab471cb18299a5fe176db8534766", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerror v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "06c47e7f2213719f67d0ea22d61523d68573ab471cb18299a5fe176db8534766", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c47e7f2213719f67d0ea22d61523d68573ab471cb18299a5fe176db8534766", kill_on_drop: false }`
[INFO] [stdout] 06c47e7f2213719f67d0ea22d61523d68573ab471cb18299a5fe176db8534766
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ea50bf81e0f935022276b341cd90aca94b2cf5984ab32217c47eaba566e8ce13
[INFO] running `Command { std: "docker" "start" "-a" "ea50bf81e0f935022276b341cd90aca94b2cf5984ab32217c47eaba566e8ce13", 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/zerror-c132fe9d86a837f1)
[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]      Running tests/result.rs (/opt/rustwide/target/debug/deps/result-2411151d5892e2fc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test sample_error ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests zerror
[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" "ea50bf81e0f935022276b341cd90aca94b2cf5984ab32217c47eaba566e8ce13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea50bf81e0f935022276b341cd90aca94b2cf5984ab32217c47eaba566e8ce13", kill_on_drop: false }`
[INFO] [stdout] ea50bf81e0f935022276b341cd90aca94b2cf5984ab32217c47eaba566e8ce13