[INFO] cloning repository Zuchis/genetic-algorithm-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/Zuchis/genetic-algorithm-rust.git" "work/cache/sources/gh/Zuchis/genetic-algorithm-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Zuchis/genetic-algorithm-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Zuchis/genetic-algorithm-rust" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Zuchis/genetic-algorithm-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Zuchis/genetic-algorithm-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Zuchis/genetic-algorithm-rust" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Zuchis/genetic-algorithm-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Zuchis/genetic-algorithm-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5bcf070273532deade17285dc55bb4ffaed1e1b0
[INFO] sha for GitHub repo Zuchis/genetic-algorithm-rust: 5bcf070273532deade17285dc55bb4ffaed1e1b0
[INFO] validating manifest of Zuchis/genetic-algorithm-rust on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Zuchis/genetic-algorithm-rust on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Zuchis/genetic-algorithm-rust
[INFO] finished frobbing Zuchis/genetic-algorithm-rust
[INFO] frobbed toml for Zuchis/genetic-algorithm-rust written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Zuchis/genetic-algorithm-rust/Cargo.toml
[INFO] started frobbing Zuchis/genetic-algorithm-rust
[INFO] finished frobbing Zuchis/genetic-algorithm-rust
[INFO] frobbed toml for Zuchis/genetic-algorithm-rust written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/Zuchis/genetic-algorithm-rust/Cargo.toml
[INFO] crate Zuchis/genetic-algorithm-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Zuchis/genetic-algorithm-rust against master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/Zuchis/genetic-algorithm-rust:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f80d3effb4491fae87e52980b78dba30daf7cabe298807bc65b629153817932e
[INFO] running `"docker" "start" "-a" "f80d3effb4491fae87e52980b78dba30daf7cabe298807bc65b629153817932e"`
[INFO] [stderr]     Checking genetic-algorithm-rust v0.1.0 (/opt/crater/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 0.94s
[INFO] running `"docker" "inspect" "f80d3effb4491fae87e52980b78dba30daf7cabe298807bc65b629153817932e"`
[INFO] running `"docker" "rm" "-f" "f80d3effb4491fae87e52980b78dba30daf7cabe298807bc65b629153817932e"`
[INFO] [stdout] f80d3effb4491fae87e52980b78dba30daf7cabe298807bc65b629153817932e