[INFO] fetching crate fnr-tool 0.1.0...
[INFO] testing fnr-tool-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fnr-tool 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fnr-tool 0.1.0
[INFO] finished tweaking crates.io crate fnr-tool 0.1.0
[INFO] tweaked toml for crates.io crate fnr-tool 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fnr-tool 0.1.0 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] crate crates.io crate fnr-tool 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-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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6bf32adfc83a0b4ea50fccf5d0200083e7d434361458341dcdcadc1e3a412e46
[INFO] running `Command { std: "docker" "start" "-a" "6bf32adfc83a0b4ea50fccf5d0200083e7d434361458341dcdcadc1e3a412e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6bf32adfc83a0b4ea50fccf5d0200083e7d434361458341dcdcadc1e3a412e46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bf32adfc83a0b4ea50fccf5d0200083e7d434361458341dcdcadc1e3a412e46", kill_on_drop: false }`
[INFO] [stdout] 6bf32adfc83a0b4ea50fccf5d0200083e7d434361458341dcdcadc1e3a412e46
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5747bae5e32ea3543d70540d3b5b6b8d3ee1d47deae0488f34a9663c059223ad
[INFO] running `Command { std: "docker" "start" "-a" "5747bae5e32ea3543d70540d3b5b6b8d3ee1d47deae0488f34a9663c059223ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bstr v1.12.0
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling litrs v0.4.2
[INFO] [stderr]    Compiling clap_builder v4.5.47
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling document-features v0.2.11
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]    Compiling derive_more v2.0.1
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling globset v0.4.16
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling ignore v0.4.23
[INFO] [stderr]    Compiling clap v4.5.47
[INFO] [stderr]    Compiling globwalk v0.9.1
[INFO] [stderr]    Compiling fnr-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_hidden` is never used
[INFO] [stdout]    --> src/main.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn is_hidden(path: &Path) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.32s
[INFO] running `Command { std: "docker" "inspect" "5747bae5e32ea3543d70540d3b5b6b8d3ee1d47deae0488f34a9663c059223ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5747bae5e32ea3543d70540d3b5b6b8d3ee1d47deae0488f34a9663c059223ad", kill_on_drop: false }`
[INFO] [stdout] 5747bae5e32ea3543d70540d3b5b6b8d3ee1d47deae0488f34a9663c059223ad
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25c65a1b02a2ed5f8de6879f569c1bcca7caf3e2eb80eda9b980a425b1ff92dd
[INFO] running `Command { std: "docker" "start" "-a" "25c65a1b02a2ed5f8de6879f569c1bcca7caf3e2eb80eda9b980a425b1ff92dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnr-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `is_hidden` is never used
[INFO] [stdout]    --> src/main.rs:418:4
[INFO] [stdout]     |
[INFO] [stdout] 418 | fn is_hidden(path: &Path) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "25c65a1b02a2ed5f8de6879f569c1bcca7caf3e2eb80eda9b980a425b1ff92dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c65a1b02a2ed5f8de6879f569c1bcca7caf3e2eb80eda9b980a425b1ff92dd", kill_on_drop: false }`
[INFO] [stdout] 25c65a1b02a2ed5f8de6879f569c1bcca7caf3e2eb80eda9b980a425b1ff92dd
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 17a987df930711ba09253dbd227c05a1913f80f34c0f016d126945316f4df81d
[INFO] running `Command { std: "docker" "start" "-a" "17a987df930711ba09253dbd227c05a1913f80f34c0f016d126945316f4df81d", kill_on_drop: false }`
[INFO] [stderr] warning: function `is_hidden` is never used
[INFO] [stderr]    --> src/main.rs:418:4
[INFO] [stderr]     |
[INFO] [stderr] 418 | fn is_hidden(path: &Path) -> bool {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fnr-tool` (bin "fnr" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fnr-0f06ebad3f4cf51d)
[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" "17a987df930711ba09253dbd227c05a1913f80f34c0f016d126945316f4df81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a987df930711ba09253dbd227c05a1913f80f34c0f016d126945316f4df81d", kill_on_drop: false }`
[INFO] [stdout] 17a987df930711ba09253dbd227c05a1913f80f34c0f016d126945316f4df81d