[INFO] cloning repository https://github.com/Zuchis/genetic-algorithm-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Zuchis/genetic-algorithm-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5bcf070273532deade17285dc55bb4ffaed1e1b0
[INFO] checking Zuchis/genetic-algorithm-rust against try#575650af7d7ca88602df28e39d27bf3e456c306e for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zuchis/genetic-algorithm-rust on toolchain 575650af7d7ca88602df28e39d27bf3e456c306e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Zuchis/genetic-algorithm-rust
[INFO] finished tweaking git repo https://github.com/Zuchis/genetic-algorithm-rust
[INFO] tweaked toml for git repo https://github.com/Zuchis/genetic-algorithm-rust written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Zuchis/genetic-algorithm-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.1.37
[INFO] [stderr]   Downloaded num-complex v0.1.37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f986b175027acd8f7f14ccb6458cde64bc687043ec3d21c87d98995c47ed9b48
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f986b175027acd8f7f14ccb6458cde64bc687043ec3d21c87d98995c47ed9b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f986b175027acd8f7f14ccb6458cde64bc687043ec3d21c87d98995c47ed9b48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f986b175027acd8f7f14ccb6458cde64bc687043ec3d21c87d98995c47ed9b48", kill_on_drop: false }`
[INFO] [stdout] f986b175027acd8f7f14ccb6458cde64bc687043ec3d21c87d98995c47ed9b48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+575650af7d7ca88602df28e39d27bf3e456c306e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93921483f5bb2a98a198b1f1aac55076cffa7cfa632a6f32f96f9fb06741aef6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "93921483f5bb2a98a198b1f1aac55076cffa7cfa632a6f32f96f9fb06741aef6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.21
[INFO] [stderr]     Checking rustc-serialize v0.3.23
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking num-bigint v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-rational v0.1.36
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]     Checking genetic-algorithm-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fitness.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/crossover.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/fitness.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stdout]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/fitness.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/crossover.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "93921483f5bb2a98a198b1f1aac55076cffa7cfa632a6f32f96f9fb06741aef6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93921483f5bb2a98a198b1f1aac55076cffa7cfa632a6f32f96f9fb06741aef6", kill_on_drop: false }`
[INFO] [stdout] 93921483f5bb2a98a198b1f1aac55076cffa7cfa632a6f32f96f9fb06741aef6