[INFO] fetching crate ratio-genetic 0.5.1...
[INFO] building ratio-genetic-0.5.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate ratio-genetic 0.5.1 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ratio-genetic 0.5.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hdrhistogram v7.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c87d47405d1e6b8f2ad181d0896ed65451812a1a884276b386dd41148a3dc6d7
[INFO] running `Command { std: "docker" "start" "-a" "c87d47405d1e6b8f2ad181d0896ed65451812a1a884276b386dd41148a3dc6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c87d47405d1e6b8f2ad181d0896ed65451812a1a884276b386dd41148a3dc6d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c87d47405d1e6b8f2ad181d0896ed65451812a1a884276b386dd41148a3dc6d7", kill_on_drop: false }`
[INFO] [stdout] c87d47405d1e6b8f2ad181d0896ed65451812a1a884276b386dd41148a3dc6d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a6f986b332fc929b0a9b95a60cb1a2d9d9fb1dc9534c9219250884e4700a311
[INFO] running `Command { std: "docker" "start" "-a" "0a6f986b332fc929b0a9b95a60cb1a2d9d9fb1dc9534c9219250884e4700a311", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling bytemuck v1.23.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.9
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling safe_arch v0.7.4
[INFO] [stderr]    Compiling wide v0.7.32
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling approx v0.5.1
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling hdrhistogram v7.5.4
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[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 30.36s
[INFO] running `Command { std: "docker" "inspect" "0a6f986b332fc929b0a9b95a60cb1a2d9d9fb1dc9534c9219250884e4700a311", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a6f986b332fc929b0a9b95a60cb1a2d9d9fb1dc9534c9219250884e4700a311", kill_on_drop: false }`
[INFO] [stdout] 0a6f986b332fc929b0a9b95a60cb1a2d9d9fb1dc9534c9219250884e4700a311
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 041cbd9d06239e262b558de6566f6ccaa36beb3d45f9466a113d29f9ebcc516c
[INFO] running `Command { std: "docker" "start" "-a" "041cbd9d06239e262b558de6566f6ccaa36beb3d45f9466a113d29f9ebcc516c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling diff v0.1.13
[INFO] [stderr]    Compiling yansi v1.0.1
[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 3.53s
[INFO] running `Command { std: "docker" "inspect" "041cbd9d06239e262b558de6566f6ccaa36beb3d45f9466a113d29f9ebcc516c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "041cbd9d06239e262b558de6566f6ccaa36beb3d45f9466a113d29f9ebcc516c", kill_on_drop: false }`
[INFO] [stdout] 041cbd9d06239e262b558de6566f6ccaa36beb3d45f9466a113d29f9ebcc516c