[INFO] fetching crate nb2fr 0.1.2...
[INFO] testing nb2fr-0.1.2 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate nb2fr 0.1.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate nb2fr 0.1.2
[INFO] finished tweaking crates.io crate nb2fr 0.1.2
[INFO] tweaked toml for crates.io crate nb2fr 0.1.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate nb2fr 0.1.2 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 nb2fr 0.1.2 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] 253fca32828b2e9006f7e26a4d42996620b5aebde3724b1e425dd195c4113c85
[INFO] running `Command { std: "docker" "start" "-a" "253fca32828b2e9006f7e26a4d42996620b5aebde3724b1e425dd195c4113c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "253fca32828b2e9006f7e26a4d42996620b5aebde3724b1e425dd195c4113c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "253fca32828b2e9006f7e26a4d42996620b5aebde3724b1e425dd195c4113c85", kill_on_drop: false }`
[INFO] [stdout] 253fca32828b2e9006f7e26a4d42996620b5aebde3724b1e425dd195c4113c85
[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] c81da1568b5410663e979d6eb8fb2a3c9a1ac5fb5c3405934619433cc09d43bf
[INFO] running `Command { std: "docker" "start" "-a" "c81da1568b5410663e979d6eb8fb2a3c9a1ac5fb5c3405934619433cc09d43bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb2fr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "c81da1568b5410663e979d6eb8fb2a3c9a1ac5fb5c3405934619433cc09d43bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c81da1568b5410663e979d6eb8fb2a3c9a1ac5fb5c3405934619433cc09d43bf", kill_on_drop: false }`
[INFO] [stdout] c81da1568b5410663e979d6eb8fb2a3c9a1ac5fb5c3405934619433cc09d43bf
[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] 01cbc1ab880f7886b4716c01d61cf8d5fc7a9e2e3e22e3ba7a013f7a16f5563a
[INFO] running `Command { std: "docker" "start" "-a" "01cbc1ab880f7886b4716c01d61cf8d5fc7a9e2e3e22e3ba7a013f7a16f5563a", kill_on_drop: false }`
[INFO] [stderr]    Compiling nb2fr v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "01cbc1ab880f7886b4716c01d61cf8d5fc7a9e2e3e22e3ba7a013f7a16f5563a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01cbc1ab880f7886b4716c01d61cf8d5fc7a9e2e3e22e3ba7a013f7a16f5563a", kill_on_drop: false }`
[INFO] [stdout] 01cbc1ab880f7886b4716c01d61cf8d5fc7a9e2e3e22e3ba7a013f7a16f5563a
[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] 3f934e1d09b57e4a0c391336d9430fae225d71bd6294986313c888b488956913
[INFO] running `Command { std: "docker" "start" "-a" "3f934e1d09b57e4a0c391336d9430fae225d71bd6294986313c888b488956913", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/nb2fr-d0fdf79934dddb3b)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::test_nb2fr ... 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 unittests src/bin/nb2fr.rs (/opt/rustwide/target/debug/deps/nb2fr-8074243e3e6695e1)
[INFO] [stderr]    Doc-tests nb2fr
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - nb2fr (line 24) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.33s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3f934e1d09b57e4a0c391336d9430fae225d71bd6294986313c888b488956913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f934e1d09b57e4a0c391336d9430fae225d71bd6294986313c888b488956913", kill_on_drop: false }`
[INFO] [stdout] 3f934e1d09b57e4a0c391336d9430fae225d71bd6294986313c888b488956913