[INFO] fetching crate err-rs 0.0.4...
[INFO] testing err-rs-0.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate err-rs 0.0.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate err-rs 0.0.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate err-rs 0.0.4
[INFO] tweaked toml for crates.io crate err-rs 0.0.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate err-rs 0.0.4 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] 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 207972aa4353e0463a65f3ab4907437599d12c8bacb84d386bb1a36ffbb079a9
[INFO] running `Command { std: "docker" "start" "-a" "207972aa4353e0463a65f3ab4907437599d12c8bacb84d386bb1a36ffbb079a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "207972aa4353e0463a65f3ab4907437599d12c8bacb84d386bb1a36ffbb079a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "207972aa4353e0463a65f3ab4907437599d12c8bacb84d386bb1a36ffbb079a9", kill_on_drop: false }`
[INFO] [stdout] 207972aa4353e0463a65f3ab4907437599d12c8bacb84d386bb1a36ffbb079a9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 228ced8d7f73d0d573ef156ba7f0deb672b83ff2da706024d2afa615eb95c259
[INFO] running `Command { std: "docker" "start" "-a" "228ced8d7f73d0d573ef156ba7f0deb672b83ff2da706024d2afa615eb95c259", kill_on_drop: false }`
[INFO] [stderr]    Compiling err-rs v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] running `Command { std: "docker" "inspect" "228ced8d7f73d0d573ef156ba7f0deb672b83ff2da706024d2afa615eb95c259", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228ced8d7f73d0d573ef156ba7f0deb672b83ff2da706024d2afa615eb95c259", kill_on_drop: false }`
[INFO] [stdout] 228ced8d7f73d0d573ef156ba7f0deb672b83ff2da706024d2afa615eb95c259
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] dc9017272ddf425310a18f4779d5699d123153e3a7fce45476403b6a22945012
[INFO] running `Command { std: "docker" "start" "-a" "dc9017272ddf425310a18f4779d5699d123153e3a7fce45476403b6a22945012", kill_on_drop: false }`
[INFO] [stderr]    Compiling err-rs v0.0.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "dc9017272ddf425310a18f4779d5699d123153e3a7fce45476403b6a22945012", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc9017272ddf425310a18f4779d5699d123153e3a7fce45476403b6a22945012", kill_on_drop: false }`
[INFO] [stdout] dc9017272ddf425310a18f4779d5699d123153e3a7fce45476403b6a22945012
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 58cca1081d1d00031dc84319551e907f8dd0944bda97be1a072750d3bd307cd5
[INFO] running `Command { std: "docker" "start" "-a" "58cca1081d1d00031dc84319551e907f8dd0944bda97be1a072750d3bd307cd5", 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/err_rs-f97322c77f1cde7e)
[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/err_tests.rs (/opt/rustwide/target/debug/deps/err_tests-178cf4ac4afcbc1b)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test manual_severe_level ... ok
[INFO] [stdout] test severe_error_provider ... ok
[INFO] [stdout] test severe_error ... ok
[INFO] [stdout] test severe_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests err_rs
[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" "58cca1081d1d00031dc84319551e907f8dd0944bda97be1a072750d3bd307cd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58cca1081d1d00031dc84319551e907f8dd0944bda97be1a072750d3bd307cd5", kill_on_drop: false }`
[INFO] [stdout] 58cca1081d1d00031dc84319551e907f8dd0944bda97be1a072750d3bd307cd5