[INFO] fetching crate ratio-genetic 0.5.1...
[INFO] testing ratio-genetic-0.5.1 against 1.91.0 for beta-1.92-2
[INFO] extracting crate ratio-genetic 0.5.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate ratio-genetic 0.5.1
[INFO] finished tweaking crates.io crate ratio-genetic 0.5.1
[INFO] tweaked toml for crates.io crate ratio-genetic 0.5.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratio-genetic 0.5.1 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ratio-genetic 0.5.1 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded matrixmultiply v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d50349b97cc29e9eb23df2abeecc8864ad54f8a5811df99451d7c319b96b09de
[INFO] running `Command { std: "docker" "start" "-a" "d50349b97cc29e9eb23df2abeecc8864ad54f8a5811df99451d7c319b96b09de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d50349b97cc29e9eb23df2abeecc8864ad54f8a5811df99451d7c319b96b09de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d50349b97cc29e9eb23df2abeecc8864ad54f8a5811df99451d7c319b96b09de", kill_on_drop: false }`
[INFO] [stdout] d50349b97cc29e9eb23df2abeecc8864ad54f8a5811df99451d7c319b96b09de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb4d3eadb27facfc1d8e97e8501341500d2637cf8ba72618e77ef0db02a1a524
[INFO] running `Command { std: "docker" "start" "-a" "bb4d3eadb27facfc1d8e97e8501341500d2637cf8ba72618e77ef0db02a1a524", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling wide v0.7.32
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling simba v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling nalgebra-macros v0.2.2
[INFO] [stderr]    Compiling nalgebra v0.33.2
[INFO] [stderr]    Compiling ratio-genetic v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lineage.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[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] 96 -     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[INFO] [stdout] 96 +     pub fn fitness(&self) -> impl Iterator<Item = &F> + '_ {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.70s
[INFO] running `Command { std: "docker" "inspect" "bb4d3eadb27facfc1d8e97e8501341500d2637cf8ba72618e77ef0db02a1a524", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4d3eadb27facfc1d8e97e8501341500d2637cf8ba72618e77ef0db02a1a524", kill_on_drop: false }`
[INFO] [stdout] bb4d3eadb27facfc1d8e97e8501341500d2637cf8ba72618e77ef0db02a1a524
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa800f891382a931551f676a09986d069f840d846aca2803ee9a34ddfb6fc186
[INFO] running `Command { std: "docker" "start" "-a" "fa800f891382a931551f676a09986d069f840d846aca2803ee9a34ddfb6fc186", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling pretty_assertions v1.4.1
[INFO] [stderr]    Compiling ratio-genetic v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lineage.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[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] 96 -     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[INFO] [stdout] 96 +     pub fn fitness(&self) -> impl Iterator<Item = &F> + '_ {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/lineage.rs:96:30
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[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] 96 -     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[INFO] [stdout] 96 +     pub fn fitness(&self) -> impl Iterator<Item = &F> + '_ {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "fa800f891382a931551f676a09986d069f840d846aca2803ee9a34ddfb6fc186", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa800f891382a931551f676a09986d069f840d846aca2803ee9a34ddfb6fc186", kill_on_drop: false }`
[INFO] [stdout] fa800f891382a931551f676a09986d069f840d846aca2803ee9a34ddfb6fc186
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8ed8b0ea672189642f9b8906857e32aa4123528dfa66524354634ebe221c16f
[INFO] running `Command { std: "docker" "start" "-a" "c8ed8b0ea672189642f9b8906857e32aa4123528dfa66524354634ebe221c16f", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stdout] 
[INFO] [stderr]   --> src/lineage.rs:96:30
[INFO] [stdout] running 14 tests
[INFO] [stderr]    |
[INFO] [stdout] test convergence::tests::smoke_convergence ... ok
[INFO] [stderr] 96 |     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[INFO] [stdout] test crossover::tests::smoke_crossover ... ok
[INFO] [stderr]    |                              ^                             ^
[INFO] [stdout] test generator::tests::generate_population ... ok
[INFO] [stderr]    |
[INFO] [stdout] test generator::tests::generate_chromosome ... ok
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] test evaluator::tests::smoke_fitness ... ok
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test crossover::tests::smoke_ipx ... ok
[INFO] [stderr]    |
[INFO] [stdout] test lineage::tests::smoke_hall_of_fame ... ok
[INFO] [stderr] 96 -     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[INFO] [stdout] test crossover::tests::smoke_float_crossover_methods ... ok
[INFO] [stderr] 96 +     pub fn fitness(&self) -> impl Iterator<Item = &F> + '_ {
[INFO] [stdout] test recorder::tests::smoke_recorder ... ok
[INFO] [stderr]    |
[INFO] [stdout] test selector::tests::smoke_select_default ... ok
[INFO] [stderr] 
[INFO] [stdout] test selector::tests::smoke_select_one_roulette ... ok
[INFO] [stderr] warning: `ratio-genetic` (lib) generated 1 warning (run `cargo fix --lib -p ratio-genetic` to apply 1 suggestion)
[INFO] [stdout] test recorder::tests::smoke_hdrhistogram ... ok
[INFO] [stderr] warning: `ratio-genetic` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ratio_genetic-668732ac678a8d5a)
[INFO] [stdout] test crossover::tests::smoke_discrete_crossover_methods ... ok
[INFO] [stderr]    Doc-tests ratio_genetic
[INFO] [stdout] test simple::tests::smoke_sequencing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.29s
[INFO] [stdout] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/lineage.rs:96:30
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[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] 96 -     pub fn fitness(&self) -> (impl Iterator<Item = &F> + '_) {
[INFO] [stderr] 96 +     pub fn fitness(&self) -> impl Iterator<Item = &F> + '_ {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 40) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c8ed8b0ea672189642f9b8906857e32aa4123528dfa66524354634ebe221c16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8ed8b0ea672189642f9b8906857e32aa4123528dfa66524354634ebe221c16f", kill_on_drop: false }`
[INFO] [stdout] c8ed8b0ea672189642f9b8906857e32aa4123528dfa66524354634ebe221c16f