[INFO] fetching crate ratio-genetic 0.5.1...
[INFO] testing ratio-genetic-0.5.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[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 c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded simba v0.9.0
[INFO] [stderr]   Downloaded nalgebra-macros v0.2.2
[INFO] [stderr]   Downloaded wide v0.7.32
[INFO] [stderr]   Downloaded nalgebra v0.33.2
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b3974b44923ca2a597dd277b97a51bce285536ef5eede32ac4c1d868635078cf
[INFO] running `Command { std: "docker" "start" "-a" "b3974b44923ca2a597dd277b97a51bce285536ef5eede32ac4c1d868635078cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b3974b44923ca2a597dd277b97a51bce285536ef5eede32ac4c1d868635078cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3974b44923ca2a597dd277b97a51bce285536ef5eede32ac4c1d868635078cf", kill_on_drop: false }`
[INFO] [stdout] b3974b44923ca2a597dd277b97a51bce285536ef5eede32ac4c1d868635078cf
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6125e78285ba267a62b39188bbb08a4351af142c29ac3f378039b93cf50cef3
[INFO] running `Command { std: "docker" "start" "-a" "e6125e78285ba267a62b39188bbb08a4351af142c29ac3f378039b93cf50cef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.32
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling rand v0.9.1
[INFO] [stderr]    Compiling simba v0.9.0
[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 26.38s
[INFO] running `Command { std: "docker" "inspect" "e6125e78285ba267a62b39188bbb08a4351af142c29ac3f378039b93cf50cef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6125e78285ba267a62b39188bbb08a4351af142c29ac3f378039b93cf50cef3", kill_on_drop: false }`
[INFO] [stdout] e6125e78285ba267a62b39188bbb08a4351af142c29ac3f378039b93cf50cef3
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56e27951962b56a9788c7a687790f6593f42959c6542ad83a8bf5b4569ca3280
[INFO] running `Command { std: "docker" "start" "-a" "56e27951962b56a9788c7a687790f6593f42959c6542ad83a8bf5b4569ca3280", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.1
[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 3.31s
[INFO] running `Command { std: "docker" "inspect" "56e27951962b56a9788c7a687790f6593f42959c6542ad83a8bf5b4569ca3280", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56e27951962b56a9788c7a687790f6593f42959c6542ad83a8bf5b4569ca3280", kill_on_drop: false }`
[INFO] [stdout] 56e27951962b56a9788c7a687790f6593f42959c6542ad83a8bf5b4569ca3280
[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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0f5319cac8f8dd73aff3a54bc0460d00f7c3d12ac13e09ac69032c643abc25c8
[INFO] running `Command { std: "docker" "start" "-a" "0f5319cac8f8dd73aff3a54bc0460d00f7c3d12ac13e09ac69032c643abc25c8", kill_on_drop: false }`
[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: `ratio-genetic` (lib) generated 1 warning (run `cargo fix --lib -p ratio-genetic` to apply 1 suggestion)
[INFO] [stderr] warning: `ratio-genetic` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/ratio_genetic-033cc040720bb301)
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test convergence::tests::smoke_convergence ... ok
[INFO] [stdout] test crossover::tests::smoke_crossover ... ok
[INFO] [stdout] test evaluator::tests::smoke_fitness ... ok
[INFO] [stdout] test generator::tests::generate_chromosome ... ok
[INFO] [stdout] test generator::tests::generate_population ... ok
[INFO] [stdout] test recorder::tests::smoke_recorder ... ok
[INFO] [stdout] test selector::tests::smoke_select_default ... ok
[INFO] [stdout] test crossover::tests::smoke_float_crossover_methods ... ok
[INFO] [stdout] test recorder::tests::smoke_hdrhistogram ... ok
[INFO] [stdout] test selector::tests::smoke_select_one_roulette ... ok
[INFO] [stdout] test crossover::tests::smoke_ipx ... ok
[INFO] [stdout] test crossover::tests::smoke_discrete_crossover_methods ... ok
[INFO] [stdout] test lineage::tests::smoke_hall_of_fame ... ok
[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 3.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ratio_genetic
[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 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.96s; merged doctests compilation took 0.93s
[INFO] running `Command { std: "docker" "inspect" "0f5319cac8f8dd73aff3a54bc0460d00f7c3d12ac13e09ac69032c643abc25c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f5319cac8f8dd73aff3a54bc0460d00f7c3d12ac13e09ac69032c643abc25c8", kill_on_drop: false }`
[INFO] [stdout] 0f5319cac8f8dd73aff3a54bc0460d00f7c3d12ac13e09ac69032c643abc25c8