[INFO] fetching crate fancy_flocks 0.1.0...
[INFO] testing fancy_flocks-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate fancy_flocks 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate fancy_flocks 0.1.0
[INFO] finished tweaking crates.io crate fancy_flocks 0.1.0
[INFO] tweaked toml for crates.io crate fancy_flocks 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fancy_flocks 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] 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] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] [stderr]       Adding log v0.3.9 (available: v0.4.28)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[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] 21b3deb1db63f7d04b936434e6247bc2a48dbbb4444a3344ca846522b66c7454
[INFO] running `Command { std: "docker" "start" "-a" "21b3deb1db63f7d04b936434e6247bc2a48dbbb4444a3344ca846522b66c7454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21b3deb1db63f7d04b936434e6247bc2a48dbbb4444a3344ca846522b66c7454", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21b3deb1db63f7d04b936434e6247bc2a48dbbb4444a3344ca846522b66c7454", kill_on_drop: false }`
[INFO] [stdout] 21b3deb1db63f7d04b936434e6247bc2a48dbbb4444a3344ca846522b66c7454
[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] eb194cb3de59fd585d21722da40f8be8c2c659c43b02c3091b51013a4741d016
[INFO] running `Command { std: "docker" "start" "-a" "eb194cb3de59fd585d21722da40f8be8c2c659c43b02c3091b51013a4741d016", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling fancy_flocks v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/sd_flock.rs:38:42
[INFO] [stdout]    |
[INFO] [stdout] 38 |         self.lock_finish(self.lock_start(File::try_lock_shared, false)?)
[INFO] [stdout]    |                               ---------- ^^^^^^^^^^^^^^^^^^^^^ expected fn pointer, found fn item
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               arguments to this method are incorrect
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `for<'a> fn(&'a File) -> Result<_, std::io::Error>`
[INFO] [stdout]                  found fn item `for<'a> fn(&'a File) -> Result<_, std::fs::TryLockError> {File::try_lock_shared}`
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> src/sd_flock.rs:80:8
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn lock_start(&self, lf: LockFn, write: bool) -> Result<(File, LockFn, bool)> {
[INFO] [stdout]    |        ^^^^^^^^^^        ----------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fancy_flocks` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "eb194cb3de59fd585d21722da40f8be8c2c659c43b02c3091b51013a4741d016", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb194cb3de59fd585d21722da40f8be8c2c659c43b02c3091b51013a4741d016", kill_on_drop: false }`
[INFO] [stdout] eb194cb3de59fd585d21722da40f8be8c2c659c43b02c3091b51013a4741d016
