[INFO] fetching crate unitig_flipper 0.1.0... [INFO] testing unitig_flipper-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate unitig_flipper 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate unitig_flipper 0.1.0 [INFO] finished tweaking crates.io crate unitig_flipper 0.1.0 [INFO] tweaked toml for crates.io crate unitig_flipper 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate unitig_flipper 0.1.0 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 unitig_flipper 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-2025-10-28" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 61d30903f123469a60996be28fb4b4afcba0e7a40d20ec83196b3bada0465ce4 [INFO] running `Command { std: "docker" "start" "-a" "61d30903f123469a60996be28fb4b4afcba0e7a40d20ec83196b3bada0465ce4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "61d30903f123469a60996be28fb4b4afcba0e7a40d20ec83196b3bada0465ce4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "61d30903f123469a60996be28fb4b4afcba0e7a40d20ec83196b3bada0465ce4", kill_on_drop: false }` [INFO] [stdout] 61d30903f123469a60996be28fb4b4afcba0e7a40d20ec83196b3bada0465ce4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7066fc006c023f2dc4b11c348b5170a44b841139d8e5546c5b1abb4011b810d6 [INFO] running `Command { std: "docker" "start" "-a" "7066fc006c023f2dc4b11c348b5170a44b841139d8e5546c5b1abb4011b810d6", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling ex v0.1.3 [INFO] [stderr] Compiling getrandom v0.2.12 [INFO] [stderr] Compiling is-terminal v0.4.12 [INFO] [stderr] Compiling clap_builder v4.5.2 [INFO] [stderr] Compiling syn v2.0.52 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling jseqio v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling clap_derive v4.5.3 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling clap v4.5.3 [INFO] [stderr] Compiling clap_complete v4.5.1 [INFO] [stderr] Compiling env_logger v0.10.2 [INFO] [stderr] Compiling unitig_flipper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/main.rs:69:65 [INFO] [stdout] | [INFO] [stdout] 69 | let n_forward = orientations.iter().fold(0_usize, |acc, &x| (acc + (x == Orientation::Forward) as usize)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 69 - let n_forward = orientations.iter().fold(0_usize, |acc, &x| (acc + (x == Orientation::Forward) as usize)); [INFO] [stdout] 69 + let n_forward = orientations.iter().fold(0_usize, |acc, &x| acc + (x == Orientation::Forward) as usize ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.68s [INFO] running `Command { std: "docker" "inspect" "7066fc006c023f2dc4b11c348b5170a44b841139d8e5546c5b1abb4011b810d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7066fc006c023f2dc4b11c348b5170a44b841139d8e5546c5b1abb4011b810d6", kill_on_drop: false }` [INFO] [stdout] 7066fc006c023f2dc4b11c348b5170a44b841139d8e5546c5b1abb4011b810d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 21874f8493165ee5125925d500ce12714cb6015e826be5af55d5cea4743ace0f [INFO] running `Command { std: "docker" "start" "-a" "21874f8493165ee5125925d500ce12714cb6015e826be5af55d5cea4743ace0f", kill_on_drop: false }` [INFO] [stderr] Compiling unitig_flipper v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around closure body [INFO] [stdout] --> src/main.rs:69:65 [INFO] [stdout] | [INFO] [stdout] 69 | let n_forward = orientations.iter().fold(0_usize, |acc, &x| (acc + (x == Orientation::Forward) as usize)); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 69 - let n_forward = orientations.iter().fold(0_usize, |acc, &x| (acc + (x == Orientation::Forward) as usize)); [INFO] [stdout] 69 + let n_forward = orientations.iter().fold(0_usize, |acc, &x| acc + (x == Orientation::Forward) as usize ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::io::BufReader` [INFO] [stdout] --> src/lib.rs:207:9 [INFO] [stdout] | [INFO] [stdout] 207 | use std::io::BufReader; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `Command { std: "docker" "inspect" "21874f8493165ee5125925d500ce12714cb6015e826be5af55d5cea4743ace0f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "21874f8493165ee5125925d500ce12714cb6015e826be5af55d5cea4743ace0f", kill_on_drop: false }` [INFO] [stdout] 21874f8493165ee5125925d500ce12714cb6015e826be5af55d5cea4743ace0f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b6c2888b13ef3340d1e700d0c57c1b6a25434d675acbe8397332babcebd64b49 [INFO] running `Command { std: "docker" "start" "-a" "b6c2888b13ef3340d1e700d0c57c1b6a25434d675acbe8397332babcebd64b49", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::io::BufReader` [INFO] [stderr] --> src/lib.rs:207:9 [INFO] [stderr] | [INFO] [stderr] 207 | use std::io::BufReader; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `unitig_flipper` (lib test) generated 1 warning (run `cargo fix --lib -p unitig_flipper --tests` to apply 1 suggestion) [INFO] [stderr] warning: unnecessary parentheses around closure body [INFO] [stderr] --> src/main.rs:69:65 [INFO] [stderr] | [INFO] [stderr] 69 | let n_forward = orientations.iter().fold(0_usize, |acc, &x| (acc + (x == Orientation::Forward) as usize)); [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 69 - let n_forward = orientations.iter().fold(0_usize, |acc, &x| (acc + (x == Orientation::Forward) as usize)); [INFO] [stderr] 69 + let n_forward = orientations.iter().fold(0_usize, |acc, &x| acc + (x == Orientation::Forward) as usize ); [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `unitig_flipper` (bin "unitig_flipper" test) generated 1 warning (run `cargo fix --bin "unitig_flipper" -p unitig_flipper --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/unitig_flipper-6c61e2d4a9fff446) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::sanity_check_algorithms ... ok [INFO] [stdout] test tests::straight_line ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unitig_flipper-be4e7f6e58a30f34) [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] [stderr] Doc-tests unitig_flipper [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] running `Command { std: "docker" "inspect" "b6c2888b13ef3340d1e700d0c57c1b6a25434d675acbe8397332babcebd64b49", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6c2888b13ef3340d1e700d0c57c1b6a25434d675acbe8397332babcebd64b49", kill_on_drop: false }` [INFO] [stdout] b6c2888b13ef3340d1e700d0c57c1b6a25434d675acbe8397332babcebd64b49