[INFO] fetching crate network-flow 0.1.0...
[INFO] testing network-flow-0.1.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1
[INFO] extracting crate network-flow 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate network-flow 0.1.0
[INFO] finished tweaking crates.io crate network-flow 0.1.0
[INFO] tweaked toml for crates.io crate network-flow 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate network-flow 0.1.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5e8b664022f24955362b95fff5b9836843f87e21b95609c763705d8f25d4a3c8
[INFO] running `Command { std: "docker" "start" "-a" "5e8b664022f24955362b95fff5b9836843f87e21b95609c763705d8f25d4a3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e8b664022f24955362b95fff5b9836843f87e21b95609c763705d8f25d4a3c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e8b664022f24955362b95fff5b9836843f87e21b95609c763705d8f25d4a3c8", kill_on_drop: false }`
[INFO] [stdout] 5e8b664022f24955362b95fff5b9836843f87e21b95609c763705d8f25d4a3c8
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 480f569751200e866bb2ab131636215055f488a0c614c562de3cd41dea96adab
[INFO] running `Command { std: "docker" "start" "-a" "480f569751200e866bb2ab131636215055f488a0c614c562de3cd41dea96adab", kill_on_drop: false }`
[INFO] [stderr]    Compiling dot-structures v0.1.2
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling into-attr v0.1.1
[INFO] [stderr]    Compiling dot-generator v0.1.0
[INFO] [stderr]    Compiling dot-generator v0.2.0
[INFO] [stderr]    Compiling into-attr-derive v0.1.0
[INFO] [stderr]    Compiling tempfile v3.23.0
[INFO] [stderr]    Compiling pest v2.8.2
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stderr]    Compiling graphviz-rust-bla v0.2.0
[INFO] [stderr]    Compiling network-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.23s
[INFO] running `Command { std: "docker" "inspect" "480f569751200e866bb2ab131636215055f488a0c614c562de3cd41dea96adab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480f569751200e866bb2ab131636215055f488a0c614c562de3cd41dea96adab", kill_on_drop: false }`
[INFO] [stdout] 480f569751200e866bb2ab131636215055f488a0c614c562de3cd41dea96adab
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0a0d6ea9aa08939fc2355f20a0adb3ca42048fc4c531b3d418c0ae31a36ef73
[INFO] running `Command { std: "docker" "start" "-a" "d0a0d6ea9aa08939fc2355f20a0adb3ca42048fc4c531b3d418c0ae31a36ef73", kill_on_drop: false }`
[INFO] [stderr]    Compiling network-flow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "d0a0d6ea9aa08939fc2355f20a0adb3ca42048fc4c531b3d418c0ae31a36ef73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0a0d6ea9aa08939fc2355f20a0adb3ca42048fc4c531b3d418c0ae31a36ef73", kill_on_drop: false }`
[INFO] [stdout] d0a0d6ea9aa08939fc2355f20a0adb3ca42048fc4c531b3d418c0ae31a36ef73
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 44d2b513fb57bbd2c6b5cc673045ab1824025549ef61289b6a9cc9a2488d769c
[INFO] running `Command { std: "docker" "start" "-a" "44d2b513fb57bbd2c6b5cc673045ab1824025549ef61289b6a9cc9a2488d769c", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/network_flow-86c6bb3590812244)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/networkflow_24.rs (/opt/rustwide/target/debug/deps/networkflow_24-0f3fdce94d3af04f)
[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 4 tests
[INFO] [stdout] test p1251 ... ok
[INFO] [stdout] test p2756 ... ok
[INFO] [stdout] test p2762 ... ok
[INFO] [stdout] test p2754 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test1.rs (/opt/rustwide/target/debug/deps/test1-8bd67ba831622489)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test main ... 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]      Running tests/test2.rs (/opt/rustwide/target/debug/deps/test2-8d0823271079b4bc)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test iotest ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- iotest stdout ----
[INFO] [stdout] Error: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     iotest
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--test test2`
[INFO] running `Command { std: "docker" "inspect" "44d2b513fb57bbd2c6b5cc673045ab1824025549ef61289b6a9cc9a2488d769c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44d2b513fb57bbd2c6b5cc673045ab1824025549ef61289b6a9cc9a2488d769c", kill_on_drop: false }`
[INFO] [stdout] 44d2b513fb57bbd2c6b5cc673045ab1824025549ef61289b6a9cc9a2488d769c