[INFO] updating cached repository https://github.com/Zuchis/genetic-algorithm-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5bcf070273532deade17285dc55bb4ffaed1e1b0
[INFO] checking Zuchis/genetic-algorithm-rust against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2FZuchis%2Fgenetic-algorithm-rust" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Zuchis/genetic-algorithm-rust on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[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 work/builds/worker-7/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 `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bd941426b57fc670fdc62b5a8c56a7f6c7a10c801b356be780408f12dcc2161c
[INFO] running `"docker" "start" "-a" "bd941426b57fc670fdc62b5a8c56a7f6c7a10c801b356be780408f12dcc2161c"`
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking num-bigint 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] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/fitness.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fitness.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/crossover.rs:44:39
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/fitness.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |     fn fitness(&self, &Fn(&T) -> f64) -> f64;
[INFO] [stderr]   |                        ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/fitness.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |     fn fitness(&self, f: &Fn(&T) -> f64) -> f64 {
[INFO] [stderr]    |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> f64`
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/crossover.rs:44:39
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let interval = Range::new(1usize, (parent1.len() -1));
[INFO] [stderr]    |                                       ^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.66s
[INFO] running `"docker" "inspect" "bd941426b57fc670fdc62b5a8c56a7f6c7a10c801b356be780408f12dcc2161c"`
[INFO] running `"docker" "rm" "-f" "bd941426b57fc670fdc62b5a8c56a7f6c7a10c801b356be780408f12dcc2161c"`
[INFO] [stdout] bd941426b57fc670fdc62b5a8c56a7f6c7a10c801b356be780408f12dcc2161c