[INFO] fetching crate propulsor 0.1.0...
[INFO] testing propulsor-0.1.0 against beta-2026-01-20 for beta-1.94-1
[INFO] extracting crate propulsor 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate propulsor 0.1.0
[INFO] finished tweaking crates.io crate propulsor 0.1.0
[INFO] tweaked toml for crates.io crate propulsor 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate propulsor 0.1.0 on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate propulsor 0.1.0 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-2026-01-20" "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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb12bcd711752f458473c544297dfa4e1d855ae6b6758a1ccf93df5ee51c1b06
[INFO] running `Command { std: "docker" "start" "-a" "eb12bcd711752f458473c544297dfa4e1d855ae6b6758a1ccf93df5ee51c1b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb12bcd711752f458473c544297dfa4e1d855ae6b6758a1ccf93df5ee51c1b06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb12bcd711752f458473c544297dfa4e1d855ae6b6758a1ccf93df5ee51c1b06", kill_on_drop: false }`
[INFO] [stdout] eb12bcd711752f458473c544297dfa4e1d855ae6b6758a1ccf93df5ee51c1b06
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07db9741fe517c407bc569017cae7c99452a566d383e9ae0efe94f425ba24836
[INFO] running `Command { std: "docker" "start" "-a" "07db9741fe517c407bc569017cae7c99452a566d383e9ae0efe94f425ba24836", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling serde v1.0.217
[INFO] [stderr]    Compiling serde_json v1.0.139
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_derive v1.0.217
[INFO] [stderr]    Compiling propulsor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.66s
[INFO] running `Command { std: "docker" "inspect" "07db9741fe517c407bc569017cae7c99452a566d383e9ae0efe94f425ba24836", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07db9741fe517c407bc569017cae7c99452a566d383e9ae0efe94f425ba24836", kill_on_drop: false }`
[INFO] [stdout] 07db9741fe517c407bc569017cae7c99452a566d383e9ae0efe94f425ba24836
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43453409788b6a19e55f577e0b1cd8d503362eab43ec8fed5d4877b16d584977
[INFO] running `Command { std: "docker" "start" "-a" "43453409788b6a19e55f577e0b1cd8d503362eab43ec8fed5d4877b16d584977", kill_on_drop: false }`
[INFO] [stderr]    Compiling propulsor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "43453409788b6a19e55f577e0b1cd8d503362eab43ec8fed5d4877b16d584977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43453409788b6a19e55f577e0b1cd8d503362eab43ec8fed5d4877b16d584977", kill_on_drop: false }`
[INFO] [stdout] 43453409788b6a19e55f577e0b1cd8d503362eab43ec8fed5d4877b16d584977
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d57dd280241482860e13ba17dc63baf41c0d30bdc5f11f298ff524f09849f760
[INFO] running `Command { std: "docker" "start" "-a" "d57dd280241482860e13ba17dc63baf41c0d30bdc5f11f298ff524f09849f760", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/propulsor-34db8005da4c98a9)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stdout] test property::file::tests::write_foo ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- property::file::tests::write_foo stdout ----
[INFO] [stdout] file foo has content
[INFO] [stdout] Error: IoError("Read-only file system (os error 30)")
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     property::file::tests::write_foo
[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] running `Command { std: "docker" "inspect" "d57dd280241482860e13ba17dc63baf41c0d30bdc5f11f298ff524f09849f760", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57dd280241482860e13ba17dc63baf41c0d30bdc5f11f298ff524f09849f760", kill_on_drop: false }`
[INFO] [stdout] d57dd280241482860e13ba17dc63baf41c0d30bdc5f11f298ff524f09849f760
