[INFO] fetching crate solver 0.0.3-alpha.2... [INFO] testing solver-0.0.3-alpha.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate solver 0.0.3-alpha.2 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate solver 0.0.3-alpha.2 [INFO] finished tweaking crates.io crate solver 0.0.3-alpha.2 [INFO] tweaked toml for crates.io crate solver 0.0.3-alpha.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate solver 0.0.3-alpha.2 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 14 packages to latest compatible versions [INFO] [stderr] Adding rand v0.8.5 (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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a2b55822579d8259e6d3b78a85aec5ea3eea543824b4b2962f88cd72f39dd9e0 [INFO] running `Command { std: "docker" "start" "-a" "a2b55822579d8259e6d3b78a85aec5ea3eea543824b4b2962f88cd72f39dd9e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2b55822579d8259e6d3b78a85aec5ea3eea543824b4b2962f88cd72f39dd9e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2b55822579d8259e6d3b78a85aec5ea3eea543824b4b2962f88cd72f39dd9e0", kill_on_drop: false }` [INFO] [stdout] a2b55822579d8259e6d3b78a85aec5ea3eea543824b4b2962f88cd72f39dd9e0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 5da0e03a892f6d876bd190fa86b9533d50b66ca4da2e0600e715ad0cdd3bdf53 [INFO] running `Command { std: "docker" "start" "-a" "5da0e03a892f6d876bd190fa86b9533d50b66ca4da2e0600e715ad0cdd3bdf53", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling solver v0.0.3-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/model.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | fitness_fn: &'_ dyn Fn(&Individual) -> i32, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 21 | config: Config, [INFO] [stdout] 22 | ) -> Model { [INFO] [stdout] | ^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | ) -> Model<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/solver.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(model: Model<'_>) -> Solver { [INFO] [stdout] | ^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'_` [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(model: Model<'_>) -> Solver<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/solver.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_model(&self) -> &Model { [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_model(&self) -> &Model<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.01s [INFO] running `Command { std: "docker" "inspect" "5da0e03a892f6d876bd190fa86b9533d50b66ca4da2e0600e715ad0cdd3bdf53", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5da0e03a892f6d876bd190fa86b9533d50b66ca4da2e0600e715ad0cdd3bdf53", kill_on_drop: false }` [INFO] [stdout] 5da0e03a892f6d876bd190fa86b9533d50b66ca4da2e0600e715ad0cdd3bdf53 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 9e66f0d3417a1fc6535323f3a55883407ca432e92a87f052b23704907331aff5 [INFO] running `Command { std: "docker" "start" "-a" "9e66f0d3417a1fc6535323f3a55883407ca432e92a87f052b23704907331aff5", kill_on_drop: false }` [INFO] [stderr] Compiling solver v0.0.3-alpha.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/model.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | fitness_fn: &'_ dyn Fn(&Individual) -> i32, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 21 | config: Config, [INFO] [stdout] 22 | ) -> Model { [INFO] [stdout] | ^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | ) -> Model<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/solver.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(model: Model<'_>) -> Solver { [INFO] [stdout] | ^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'_` [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(model: Model<'_>) -> Solver<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/solver.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_model(&self) -> &Model { [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_model(&self) -> &Model<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/model.rs:20:22 [INFO] [stdout] | [INFO] [stdout] 20 | fitness_fn: &'_ dyn Fn(&Individual) -> i32, [INFO] [stdout] | ^^ the lifetime is elided here [INFO] [stdout] 21 | config: Config, [INFO] [stdout] 22 | ) -> Model { [INFO] [stdout] | ^^^^^ the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | ) -> Model<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/solver.rs:11:29 [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(model: Model<'_>) -> Solver { [INFO] [stdout] | ^^ ^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: consistently use `'_` [INFO] [stdout] | [INFO] [stdout] 11 | pub fn new(model: Model<'_>) -> Solver<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/ga/solver.rs:22:22 [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_model(&self) -> &Model { [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] | | || [INFO] [stdout] | | |the same lifetime is hidden here [INFO] [stdout] | | the same lifetime is elided here [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 22 | pub fn get_model(&self) -> &Model<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "9e66f0d3417a1fc6535323f3a55883407ca432e92a87f052b23704907331aff5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e66f0d3417a1fc6535323f3a55883407ca432e92a87f052b23704907331aff5", kill_on_drop: false }` [INFO] [stdout] 9e66f0d3417a1fc6535323f3a55883407ca432e92a87f052b23704907331aff5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] d5bb37ee031d7dde44615678b38663182566793bdd511a6a9193b7b40f3e54dc [INFO] running `Command { std: "docker" "start" "-a" "d5bb37ee031d7dde44615678b38663182566793bdd511a6a9193b7b40f3e54dc", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/ga/model.rs:20:22 [INFO] [stderr] | [INFO] [stderr] 20 | fitness_fn: &'_ dyn Fn(&Individual) -> i32, [INFO] [stderr] | ^^ the lifetime is elided here [INFO] [stderr] 21 | config: Config, [INFO] [stderr] 22 | ) -> Model { [INFO] [stderr] | ^^^^^ the same lifetime is hidden here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 22 | ) -> Model<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/ga/solver.rs:11:29 [INFO] [stderr] | [INFO] [stderr] 11 | pub fn new(model: Model<'_>) -> Solver { [INFO] [stderr] | ^^ ^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: consistently use `'_` [INFO] [stderr] | [INFO] [stderr] 11 | pub fn new(model: Model<'_>) -> Solver<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/ga/solver.rs:22:22 [INFO] [stderr] | [INFO] [stderr] 22 | pub fn get_model(&self) -> &Model { [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] | | || [INFO] [stderr] | | |the same lifetime is hidden here [INFO] [stderr] | | the same lifetime is elided here [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 22 | pub fn get_model(&self) -> &Model<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: `solver` (lib) generated 3 warnings (run `cargo fix --lib -p solver` to apply 3 suggestions) [INFO] [stderr] warning: `solver` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solver-e62b043544272b02) [INFO] [stdout] [INFO] [stdout] running 12 tests [INFO] [stdout] test ga::model::tests::test_crossover ... ok [INFO] [stdout] test ga::individual::tests::test_individual ... ok [INFO] [stdout] test ga::config::tests::test_default_config ... ok [INFO] [stdout] test ga::model::tests::test_model ... ok [INFO] [stdout] test ga::config::tests::test_custom_config ... ok [INFO] [stdout] test ga::model::tests::test_run ... ok [INFO] [stdout] test ga::model::tests::test_mutation ... ok [INFO] [stdout] test ga::model::tests::test_selection ... ok [INFO] [stdout] test ga::population::tests::test_population ... ok [INFO] [stdout] test ga::solver::tests::test_solver ... ok [INFO] [stdout] test tests::solve_schedule ... ok [INFO] [stderr] Doc-tests solver [INFO] [stdout] test ga::model::tests::test_score_population ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [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" "d5bb37ee031d7dde44615678b38663182566793bdd511a6a9193b7b40f3e54dc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5bb37ee031d7dde44615678b38663182566793bdd511a6a9193b7b40f3e54dc", kill_on_drop: false }` [INFO] [stdout] d5bb37ee031d7dde44615678b38663182566793bdd511a6a9193b7b40f3e54dc