[INFO] fetching crate par-dfs 0.0.7... [INFO] testing par-dfs-0.0.7 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate par-dfs 0.0.7 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate par-dfs 0.0.7 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate par-dfs 0.0.7 [INFO] tweaked toml for crates.io crate par-dfs 0.0.7 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate par-dfs 0.0.7 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 par-dfs 0.0.7 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-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] da04f97101a9f3f230e994185aad6bfe750abe5f34c63ba910828ec32b99548f [INFO] running `Command { std: "docker" "start" "-a" "da04f97101a9f3f230e994185aad6bfe750abe5f34c63ba910828ec32b99548f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "da04f97101a9f3f230e994185aad6bfe750abe5f34c63ba910828ec32b99548f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da04f97101a9f3f230e994185aad6bfe750abe5f34c63ba910828ec32b99548f", kill_on_drop: false }` [INFO] [stdout] da04f97101a9f3f230e994185aad6bfe750abe5f34c63ba910828ec32b99548f [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0e0a0432aa338bd7fa1f5fa040c73f790e3d699e43ea1c81f1c14e3b2b6c95f9 [INFO] running `Command { std: "docker" "start" "-a" "0e0a0432aa338bd7fa1f5fa040c73f790e3d699e43ea1c81f1c14e3b2b6c95f9", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling thiserror v1.0.34 [INFO] [stderr] Compiling par-dfs v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [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 5.47s [INFO] running `Command { std: "docker" "inspect" "0e0a0432aa338bd7fa1f5fa040c73f790e3d699e43ea1c81f1c14e3b2b6c95f9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e0a0432aa338bd7fa1f5fa040c73f790e3d699e43ea1c81f1c14e3b2b6c95f9", kill_on_drop: false }` [INFO] [stdout] 0e0a0432aa338bd7fa1f5fa040c73f790e3d699e43ea1c81f1c14e3b2b6c95f9 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] caf82552ac24dc142513f885bc6751356795814f62c984a98c239e2db30935f2 [INFO] running `Command { std: "docker" "start" "-a" "caf82552ac24dc142513f885bc6751356795814f62c984a98c239e2db30935f2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling libc v0.2.132 [INFO] [stderr] Compiling once_cell v1.14.0 [INFO] [stderr] Compiling futures-core v0.3.24 [INFO] [stderr] Compiling crossbeam-utils v0.8.11 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling serde_derive v1.0.144 [INFO] [stderr] Compiling crossbeam-epoch v0.9.10 [INFO] [stderr] Compiling serde v1.0.144 [INFO] [stderr] Compiling tokio v1.21.1 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling futures-task v0.3.24 [INFO] [stderr] Compiling futures-channel v0.3.24 [INFO] [stderr] Compiling serde_json v1.0.85 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling futures-sink v0.3.24 [INFO] [stderr] Compiling futures-util v0.3.24 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling ciborium-io v0.2.0 [INFO] [stderr] Compiling plotters-backend v0.3.4 [INFO] [stderr] Compiling itoa v1.0.3 [INFO] [stderr] Compiling os_str_bytes v6.3.0 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling ryu v1.0.11 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling regex-syntax v0.6.27 [INFO] [stderr] Compiling futures-io v0.3.24 [INFO] [stderr] Compiling anyhow v1.0.64 [INFO] [stderr] Compiling cast v0.3.0 [INFO] [stderr] Compiling bytes v1.2.1 [INFO] [stderr] Compiling clap_lex v0.2.4 [INFO] [stderr] Compiling plotters-svg v0.3.3 [INFO] [stderr] Compiling anes v0.1.6 [INFO] [stderr] Compiling ciborium-ll v0.2.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling plotters v0.3.4 [INFO] [stderr] Compiling pretty_assertions v1.3.0 [INFO] [stderr] Compiling paste v1.0.9 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling regex v1.6.0 [INFO] [stderr] Compiling criterion-plot v0.5.0 [INFO] [stderr] Compiling futures v0.3.24 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling tokio-macros v1.8.0 [INFO] [stderr] Compiling async-stream-impl v0.3.3 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Compiling thiserror-impl v1.0.34 [INFO] [stderr] Compiling async-stream v0.3.3 [INFO] [stderr] Compiling thiserror v1.0.34 [INFO] [stderr] Compiling par-dfs v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling clap v3.2.21 [INFO] [stderr] Compiling tokio-stream v0.1.9 [INFO] [stderr] Compiling tokio-test v0.4.2 [INFO] [stderr] Compiling ciborium v0.2.0 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.4.0 [INFO] [stdout] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stdout] --> src/sync/mod.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 34 | pub(crate) trait Queue { [INFO] [stdout] | ----- methods in this trait [INFO] [stdout] 35 | /// Returns the number of items in the queue [INFO] [stdout] 36 | fn len(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 39 | fn is_empty(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | fn split_off(&mut self, at: usize) -> Self; [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 32.55s [INFO] running `Command { std: "docker" "inspect" "caf82552ac24dc142513f885bc6751356795814f62c984a98c239e2db30935f2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "caf82552ac24dc142513f885bc6751356795814f62c984a98c239e2db30935f2", kill_on_drop: false }` [INFO] [stdout] caf82552ac24dc142513f885bc6751356795814f62c984a98c239e2db30935f2 [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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 65bc53db3d56d8d1ec8b1f27666ac78456983aca1757614604cd75b12b80e3ba [INFO] running `Command { std: "docker" "start" "-a" "65bc53db3d56d8d1ec8b1f27666ac78456983aca1757614604cd75b12b80e3ba", kill_on_drop: false }` [INFO] [stderr] warning: methods `len`, `is_empty`, and `split_off` are never used [INFO] [stderr] --> src/sync/mod.rs:36:8 [INFO] [stderr] | [INFO] [stderr] 34 | pub(crate) trait Queue { [INFO] [stderr] | ----- methods in this trait [INFO] [stderr] 35 | /// Returns the number of items in the queue [INFO] [stderr] 36 | fn len(&self) -> usize; [INFO] [stderr] | ^^^ [INFO] [stderr] ... [INFO] [stderr] 39 | fn is_empty(&self) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 65 | fn split_off(&mut self, at: usize) -> Self; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: `par-dfs` (lib) generated 1 warning [INFO] [stderr] warning: `par-dfs` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/par_dfs-9a1f130f796607a9) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test sync::bfs::tests::test_bfs_no_circles_serial ... ok [INFO] [stdout] test sync::bfs::tests::test_bfs_serial ... ok [INFO] [stdout] test sync::bfs::tests::test_fast_bfs_serial ... ok [INFO] [stdout] test sync::dfs::tests::test_dfs_no_circles_serial ... ok [INFO] [stdout] test sync::bfs::tests::test_fast_bfs_no_circles_serial ... ok [INFO] [stderr] Doc-tests par_dfs [INFO] [stdout] test sync::dfs::tests::test_fast_dfs_no_circles_serial ... ok [INFO] [stdout] test sync::dfs::tests::test_dfs_serial ... ok [INFO] [stdout] test sync::dfs::tests::test_fast_dfs_serial ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/sync/bfs.rs - sync::bfs::FastBfs (line 123) ... ok [INFO] [stdout] test src/sync/bfs.rs - sync::bfs::Bfs (line 10) ... ok [INFO] [stdout] test src/sync/dfs.rs - sync::dfs::Dfs (line 10) ... ok [INFO] [stdout] test src/sync/dfs.rs - sync::dfs::FastDfs (line 119) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.60s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "65bc53db3d56d8d1ec8b1f27666ac78456983aca1757614604cd75b12b80e3ba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65bc53db3d56d8d1ec8b1f27666ac78456983aca1757614604cd75b12b80e3ba", kill_on_drop: false }` [INFO] [stdout] 65bc53db3d56d8d1ec8b1f27666ac78456983aca1757614604cd75b12b80e3ba