Dec 07 15:47:58.232 INFO testing genetic-0.2.1 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 15:47:58.232 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 15:47:58.606 INFO [stdout] 9cf60109f08733f857073e973ca823c4d1bbc464253c7da9d7c85dbe57177a2e
Dec 07 15:47:58.610 INFO running `"docker" "start" "-a" "9cf60109f08733f857073e973ca823c4d1bbc464253c7da9d7c85dbe57177a2e"`
Dec 07 15:48:00.024 INFO [stderr] usermod: no changes
Dec 07 15:48:00.068 INFO [stderr]    Compiling genetic v0.2.1 (/source)
Dec 07 15:48:00.564 INFO [stderr] warning: unused import: `universe::Universe`
Dec 07 15:48:00.564 INFO [stderr]   --> src/lib.rs:23:5
Dec 07 15:48:00.564 INFO [stderr]    |
Dec 07 15:48:00.564 INFO [stderr] 23 | use universe::Universe;
Dec 07 15:48:00.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 07 15:48:00.564 INFO [stderr]    |
Dec 07 15:48:00.564 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 07 15:48:00.564 INFO [stderr] 
Dec 07 15:48:00.607 INFO [stderr] warning: unused variable: `mutation_rate`
Dec 07 15:48:00.607 INFO [stderr]   --> src/lib.rs:63:23
Dec 07 15:48:00.607 INFO [stderr]    |
Dec 07 15:48:00.607 INFO [stderr] 63 |     fn mutate(&mut self, mutation_rate: f32) {
Dec 07 15:48:00.607 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: consider using `_mutation_rate` instead
Dec 07 15:48:00.607 INFO [stderr]    |
Dec 07 15:48:00.612 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 15:48:00.612 INFO [stderr] 
Dec 07 15:48:00.612 INFO [stderr] warning: unused variable: `population`
Dec 07 15:48:00.612 INFO [stderr]    --> src/lib.rs:131:28
Dec 07 15:48:00.612 INFO [stderr]     |
Dec 07 15:48:00.612 INFO [stderr] 131 |     fn measure_fitness(&self, population: &mut Vec<LittleAnimal>) {
Dec 07 15:48:00.612 INFO [stderr]     |                               ^^^^^^^^^^ help: consider using `_population` instead
Dec 07 15:48:00.612 INFO [stderr] 
Dec 07 15:48:00.612 INFO [stderr] warning: unused variable: `population`
Dec 07 15:48:00.612 INFO [stderr]    --> src/lib.rs:150:22
Dec 07 15:48:00.612 INFO [stderr]     |
Dec 07 15:48:00.612 INFO [stderr] 150 |     fn reproduce(&self, population: &mut Vec<LittleAnimal>) {
Dec 07 15:48:00.612 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_population` instead
Dec 07 15:48:00.612 INFO [stderr] 
Dec 07 15:48:00.624 INFO [stderr] warning: field is never used: `pop_limit`
Dec 07 15:48:00.624 INFO [stderr]   --> src/universe.rs:26:2
Dec 07 15:48:00.624 INFO [stderr]    |
Dec 07 15:48:00.624 INFO [stderr] 26 |     pop_limit: usize,
Dec 07 15:48:00.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 07 15:48:00.624 INFO [stderr]    |
Dec 07 15:48:00.624 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 15:48:00.624 INFO [stderr] 
Dec 07 15:48:00.624 INFO [stderr] warning: method is never used: `from_genome`
Dec 07 15:48:00.624 INFO [stderr]   --> src/lib.rs:38:2
Dec 07 15:48:00.624 INFO [stderr]    |
Dec 07 15:48:00.624 INFO [stderr] 38 |     pub fn from_genome(genome: &Vec<u8>) -> LittleAnimal {
Dec 07 15:48:00.624 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 15:48:00.624 INFO [stderr] 
Dec 07 15:48:00.624 INFO [stderr] warning: struct is never constructed: `NaturalSelection`
Dec 07 15:48:00.624 INFO [stderr]    --> src/lib.rs:119:1
Dec 07 15:48:00.624 INFO [stderr]     |
Dec 07 15:48:00.625 INFO [stderr] 119 | struct NaturalSelection;
Dec 07 15:48:00.625 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 15:48:00.625 INFO [stderr] 
Dec 07 15:48:00.625 INFO [stderr] warning: method is never used: `new`
Dec 07 15:48:00.625 INFO [stderr]    --> src/lib.rs:123:2
Dec 07 15:48:00.625 INFO [stderr]     |
Dec 07 15:48:00.625 INFO [stderr] 123 |     pub fn new() -> NaturalSelection {
Dec 07 15:48:00.625 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 15:48:00.625 INFO [stderr] 
Dec 07 15:48:00.625 INFO [stderr] warning: struct is never constructed: `NaturalReproduction`
Dec 07 15:48:00.625 INFO [stderr]    --> src/lib.rs:138:1
Dec 07 15:48:00.625 INFO [stderr]     |
Dec 07 15:48:00.625 INFO [stderr] 138 | struct NaturalReproduction;
Dec 07 15:48:00.625 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 15:48:00.625 INFO [stderr] 
Dec 07 15:48:00.625 INFO [stderr] warning: method is never used: `new`
Dec 07 15:48:00.625 INFO [stderr]    --> src/lib.rs:142:2
Dec 07 15:48:00.625 INFO [stderr]     |
Dec 07 15:48:00.625 INFO [stderr] 142 |     pub fn new() -> NaturalReproduction {
Dec 07 15:48:00.625 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 15:48:00.625 INFO [stderr] 
Dec 07 15:48:00.814 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 07 15:48:00.820 INFO [stderr] su: No module specific data is present
Dec 07 15:48:01.525 INFO running `"docker" "inspect" "9cf60109f08733f857073e973ca823c4d1bbc464253c7da9d7c85dbe57177a2e"`
Dec 07 15:48:01.743 INFO running `"docker" "rm" "-f" "9cf60109f08733f857073e973ca823c4d1bbc464253c7da9d7c85dbe57177a2e"`
Dec 07 15:48:02.020 INFO [stdout] 9cf60109f08733f857073e973ca823c4d1bbc464253c7da9d7c85dbe57177a2e
Dec 07 15:48:02.024 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 15:48:02.426 INFO [stdout] 42ba327b0c112ea3398b193c45c52f09c6d3d0991667b118c398ef069ede328d
Dec 07 15:48:02.432 INFO running `"docker" "start" "-a" "42ba327b0c112ea3398b193c45c52f09c6d3d0991667b118c398ef069ede328d"`
Dec 07 15:48:03.376 INFO [stderr] usermod: no changes
Dec 07 15:48:03.413 INFO [stderr]    Compiling genetic v0.2.1 (/source)
Dec 07 15:48:04.104 INFO [stderr] warning: unused variable: `mutation_rate`
Dec 07 15:48:04.104 INFO [stderr]   --> src/lib.rs:63:23
Dec 07 15:48:04.104 INFO [stderr]    |
Dec 07 15:48:04.104 INFO [stderr] 63 |     fn mutate(&mut self, mutation_rate: f32) {
Dec 07 15:48:04.104 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: consider using `_mutation_rate` instead
Dec 07 15:48:04.104 INFO [stderr]    |
Dec 07 15:48:04.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 15:48:04.104 INFO [stderr] 
Dec 07 15:48:04.104 INFO [stderr] warning: unused variable: `population`
Dec 07 15:48:04.104 INFO [stderr]    --> src/lib.rs:131:28
Dec 07 15:48:04.104 INFO [stderr]     |
Dec 07 15:48:04.104 INFO [stderr] 131 |     fn measure_fitness(&self, population: &mut Vec<LittleAnimal>) {
Dec 07 15:48:04.104 INFO [stderr]     |                               ^^^^^^^^^^ help: consider using `_population` instead
Dec 07 15:48:04.104 INFO [stderr] 
Dec 07 15:48:04.104 INFO [stderr] warning: unused variable: `population`
Dec 07 15:48:04.104 INFO [stderr]    --> src/lib.rs:150:22
Dec 07 15:48:04.104 INFO [stderr]     |
Dec 07 15:48:04.104 INFO [stderr] 150 |     fn reproduce(&self, population: &mut Vec<LittleAnimal>) {
Dec 07 15:48:04.104 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_population` instead
Dec 07 15:48:04.116 INFO [stderr] 
Dec 07 15:48:04.120 INFO [stderr] warning: field is never used: `pop_limit`
Dec 07 15:48:04.120 INFO [stderr]   --> src/universe.rs:26:2
Dec 07 15:48:04.120 INFO [stderr]    |
Dec 07 15:48:04.120 INFO [stderr] 26 |     pop_limit: usize,
Dec 07 15:48:04.120 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 07 15:48:04.120 INFO [stderr]    |
Dec 07 15:48:04.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 15:48:04.120 INFO [stderr] 
Dec 07 15:48:04.918 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
Dec 07 15:48:04.921 INFO [stderr] su: No module specific data is present
Dec 07 15:48:05.454 INFO running `"docker" "inspect" "42ba327b0c112ea3398b193c45c52f09c6d3d0991667b118c398ef069ede328d"`
Dec 07 15:48:05.625 INFO running `"docker" "rm" "-f" "42ba327b0c112ea3398b193c45c52f09c6d3d0991667b118c398ef069ede328d"`
Dec 07 15:48:05.810 INFO [stdout] 42ba327b0c112ea3398b193c45c52f09c6d3d0991667b118c398ef069ede328d
Dec 07 15:48:05.816 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-6/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 15:48:06.202 INFO [stdout] 108011fbd02256a657d2a6279ae3970284bc2f9cd35e452b125c22b6454fb397
Dec 07 15:48:06.210 INFO running `"docker" "start" "-a" "108011fbd02256a657d2a6279ae3970284bc2f9cd35e452b125c22b6454fb397"`
Dec 07 15:48:07.148 INFO [stderr] usermod: no changes
Dec 07 15:48:07.197 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 07 15:48:07.204 INFO [stderr]      Running /target/debug/deps/genetic-6bd568ccf6f75a42
Dec 07 15:48:07.204 INFO [stdout] 
Dec 07 15:48:07.204 INFO [stdout] running 1 test
Dec 07 15:48:07.320 INFO [stdout] test it_works ... ok
Dec 07 15:48:07.320 INFO [stderr]    Doc-tests genetic
Dec 07 15:48:07.320 INFO [stdout] 
Dec 07 15:48:07.320 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 15:48:07.320 INFO [stdout] 
Dec 07 15:48:08.230 INFO [stdout] 
Dec 07 15:48:08.230 INFO [stdout] running 0 tests
Dec 07 15:48:08.230 INFO [stdout] 
Dec 07 15:48:08.230 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 15:48:08.230 INFO [stdout] 
Dec 07 15:48:08.237 INFO [stderr] su: No module specific data is present
Dec 07 15:48:08.988 INFO running `"docker" "inspect" "108011fbd02256a657d2a6279ae3970284bc2f9cd35e452b125c22b6454fb397"`
Dec 07 15:48:09.358 INFO running `"docker" "rm" "-f" "108011fbd02256a657d2a6279ae3970284bc2f9cd35e452b125c22b6454fb397"`
Dec 07 15:48:09.772 INFO [stdout] 108011fbd02256a657d2a6279ae3970284bc2f9cd35e452b125c22b6454fb397