[INFO] cloning repository Michael2109/genetic-algorithms
[INFO] running `"git" "clone" "--bare" "git://github.com/Michael2109/genetic-algorithms.git" "work/cache/sources/gh/Michael2109/genetic-algorithms"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/Michael2109/genetic-algorithms'...
[INFO] running `"git" "clone" "work/cache/sources/gh/Michael2109/genetic-algorithms" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Michael2109/genetic-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Michael2109/genetic-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Michael2109/genetic-algorithms" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Michael2109/genetic-algorithms"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Michael2109/genetic-algorithms'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 99c630bdd95c98763a6f86098151f806291e08ba
[INFO] sha for GitHub repo Michael2109/genetic-algorithms: 99c630bdd95c98763a6f86098151f806291e08ba
[INFO] validating manifest of Michael2109/genetic-algorithms on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Michael2109/genetic-algorithms on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Michael2109/genetic-algorithms
[INFO] finished frobbing Michael2109/genetic-algorithms
[INFO] frobbed toml for Michael2109/genetic-algorithms written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/Michael2109/genetic-algorithms/Cargo.toml
[INFO] started frobbing Michael2109/genetic-algorithms
[INFO] finished frobbing Michael2109/genetic-algorithms
[INFO] frobbed toml for Michael2109/genetic-algorithms written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Michael2109/genetic-algorithms/Cargo.toml
[INFO] crate Michael2109/genetic-algorithms already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing Michael2109/genetic-algorithms against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Michael2109/genetic-algorithms:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 63d9e6d163f25c4d01f184d68a29566aed652ca781627a661276c87a44ea1c3c
[INFO] running `"docker" "start" "-a" "63d9e6d163f25c4d01f184d68a29566aed652ca781627a661276c87a44ea1c3c"`
[INFO] [stderr]    Compiling genetic-algorithms v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `simulation`
[INFO] [stderr]   --> src/entity.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn collision_detection(&self, simulation: &Simulation) {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulation.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for mut f in &self.fish {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.87s
[INFO] running `"docker" "inspect" "63d9e6d163f25c4d01f184d68a29566aed652ca781627a661276c87a44ea1c3c"`
[INFO] running `"docker" "rm" "-f" "63d9e6d163f25c4d01f184d68a29566aed652ca781627a661276c87a44ea1c3c"`
[INFO] [stdout] 63d9e6d163f25c4d01f184d68a29566aed652ca781627a661276c87a44ea1c3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Michael2109/genetic-algorithms:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] a52c9daee366d11c52f99bd213188810f5f944049bc118e2702b868ad63a9d5d
[INFO] running `"docker" "start" "-a" "a52c9daee366d11c52f99bd213188810f5f944049bc118e2702b868ad63a9d5d"`
[INFO] [stderr]    Compiling genetic-algorithms v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `simulation`
[INFO] [stderr]   --> src/entity.rs:63:35
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn collision_detection(&self, simulation: &Simulation) {
[INFO] [stderr]    |                                   ^^^^^^^^^^ help: consider prefixing with an underscore: `_simulation`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/simulation.rs:47:13
[INFO] [stderr]    |
[INFO] [stderr] 47 |         for mut f in &self.fish {
[INFO] [stderr]    |             ----^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `"docker" "inspect" "a52c9daee366d11c52f99bd213188810f5f944049bc118e2702b868ad63a9d5d"`
[INFO] running `"docker" "rm" "-f" "a52c9daee366d11c52f99bd213188810f5f944049bc118e2702b868ad63a9d5d"`
[INFO] [stdout] a52c9daee366d11c52f99bd213188810f5f944049bc118e2702b868ad63a9d5d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/Michael2109/genetic-algorithms:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "test" "--frozen"`
[INFO] [stdout] 6bafc7e98aa2536919fa6ec7a14f2d8dfec54724653e11dc0e5fea35b81e5956
[INFO] running `"docker" "start" "-a" "6bafc7e98aa2536919fa6ec7a14f2d8dfec54724653e11dc0e5fea35b81e5956"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/genetic_algorithms-bb5a68be906d4899
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6bafc7e98aa2536919fa6ec7a14f2d8dfec54724653e11dc0e5fea35b81e5956"`
[INFO] running `"docker" "rm" "-f" "6bafc7e98aa2536919fa6ec7a14f2d8dfec54724653e11dc0e5fea35b81e5956"`
[INFO] [stdout] 6bafc7e98aa2536919fa6ec7a14f2d8dfec54724653e11dc0e5fea35b81e5956