Nov 29 01:11:26.321 INFO checking genetic-0.2.1 against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 29 01:11:26.321 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-4/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-alt check --frozen --all --all-targets" "-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"`
Nov 29 01:11:26.848 INFO [stdout] cb432695c1a6cd2e9baf8979cb52d94f3737ac6c7c1eb933577b42c69c285cbc
Nov 29 01:11:26.854 INFO running `"docker" "start" "-a" "cb432695c1a6cd2e9baf8979cb52d94f3737ac6c7c1eb933577b42c69c285cbc"`
Nov 29 01:11:28.116 INFO [stderr] usermod: no changes
Nov 29 01:11:28.148 INFO [stderr]     Checking genetic v0.2.1 (/source)
Nov 29 01:11:28.999 INFO [stderr] warning: unused import: `universe::Universe`
Nov 29 01:11:28.999 INFO [stderr]   --> src/lib.rs:23:5
Nov 29 01:11:28.999 INFO [stderr]    |
Nov 29 01:11:29.004 INFO [stderr] 23 | use universe::Universe;
Nov 29 01:11:29.004 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Nov 29 01:11:29.004 INFO [stderr]    |
Nov 29 01:11:29.004 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Nov 29 01:11:29.004 INFO [stderr] 
Nov 29 01:11:29.106 INFO [stderr] warning: unused variable: `mutation_rate`
Nov 29 01:11:29.106 INFO [stderr]   --> src/lib.rs:63:23
Nov 29 01:11:29.106 INFO [stderr]    |
Nov 29 01:11:29.106 INFO [stderr] 63 |     fn mutate(&mut self, mutation_rate: f32) {
Nov 29 01:11:29.106 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: consider using `_mutation_rate` instead
Nov 29 01:11:29.106 INFO [stderr]    |
Nov 29 01:11:29.106 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 01:11:29.106 INFO [stderr] 
Nov 29 01:11:29.106 INFO [stderr] warning: unused variable: `population`
Nov 29 01:11:29.106 INFO [stderr]    --> src/lib.rs:131:28
Nov 29 01:11:29.107 INFO [stderr]     |
Nov 29 01:11:29.107 INFO [stderr] 131 |     fn measure_fitness(&self, population: &mut Vec<LittleAnimal>) {
Nov 29 01:11:29.107 INFO [stderr]     |                               ^^^^^^^^^^ help: consider using `_population` instead
Nov 29 01:11:29.107 INFO [stderr] 
Nov 29 01:11:29.107 INFO [stderr] warning: unused variable: `population`
Nov 29 01:11:29.107 INFO [stderr]    --> src/lib.rs:150:22
Nov 29 01:11:29.107 INFO [stderr]     |
Nov 29 01:11:29.107 INFO [stderr] 150 |     fn reproduce(&self, population: &mut Vec<LittleAnimal>) {
Nov 29 01:11:29.107 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_population` instead
Nov 29 01:11:29.107 INFO [stderr] 
Nov 29 01:11:29.140 INFO [stderr] warning: field is never used: `pop_limit`
Nov 29 01:11:29.140 INFO [stderr]   --> src/universe.rs:26:2
Nov 29 01:11:29.141 INFO [stderr]    |
Nov 29 01:11:29.141 INFO [stderr] 26 |     pop_limit: usize,
Nov 29 01:11:29.141 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 29 01:11:29.141 INFO [stderr]    |
Nov 29 01:11:29.141 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 01:11:29.142 INFO [stderr] 
Nov 29 01:11:29.142 INFO [stderr] warning: method is never used: `from_genome`
Nov 29 01:11:29.142 INFO [stderr]   --> src/lib.rs:38:2
Nov 29 01:11:29.142 INFO [stderr]    |
Nov 29 01:11:29.142 INFO [stderr] 38 |     pub fn from_genome(genome: &Vec<u8>) -> LittleAnimal {
Nov 29 01:11:29.142 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:11:29.144 INFO [stderr] 
Nov 29 01:11:29.144 INFO [stderr] warning: struct is never constructed: `NaturalSelection`
Nov 29 01:11:29.144 INFO [stderr]    --> src/lib.rs:119:1
Nov 29 01:11:29.144 INFO [stderr]     |
Nov 29 01:11:29.144 INFO [stderr] 119 | struct NaturalSelection;
Nov 29 01:11:29.144 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:11:29.144 INFO [stderr] 
Nov 29 01:11:29.144 INFO [stderr] warning: method is never used: `new`
Nov 29 01:11:29.144 INFO [stderr]    --> src/lib.rs:123:2
Nov 29 01:11:29.144 INFO [stderr]     |
Nov 29 01:11:29.144 INFO [stderr] 123 |     pub fn new() -> NaturalSelection {
Nov 29 01:11:29.144 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:11:29.144 INFO [stderr] 
Nov 29 01:11:29.144 INFO [stderr] warning: struct is never constructed: `NaturalReproduction`
Nov 29 01:11:29.144 INFO [stderr]    --> src/lib.rs:138:1
Nov 29 01:11:29.144 INFO [stderr]     |
Nov 29 01:11:29.144 INFO [stderr] 138 | struct NaturalReproduction;
Nov 29 01:11:29.144 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:11:29.144 INFO [stderr] 
Nov 29 01:11:29.144 INFO [stderr] warning: method is never used: `new`
Nov 29 01:11:29.144 INFO [stderr]    --> src/lib.rs:142:2
Nov 29 01:11:29.144 INFO [stderr]     |
Nov 29 01:11:29.144 INFO [stderr] 142 |     pub fn new() -> NaturalReproduction {
Nov 29 01:11:29.144 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 29 01:11:29.144 INFO [stderr] 
Nov 29 01:11:29.364 INFO [stderr] warning: unused variable: `mutation_rate`
Nov 29 01:11:29.365 INFO [stderr]   --> src/lib.rs:63:23
Nov 29 01:11:29.365 INFO [stderr]    |
Nov 29 01:11:29.365 INFO [stderr] 63 |     fn mutate(&mut self, mutation_rate: f32) {
Nov 29 01:11:29.365 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: consider using `_mutation_rate` instead
Nov 29 01:11:29.366 INFO [stderr]    |
Nov 29 01:11:29.366 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 29 01:11:29.366 INFO [stderr] 
Nov 29 01:11:29.366 INFO [stderr] warning: unused variable: `population`
Nov 29 01:11:29.367 INFO [stderr]    --> src/lib.rs:131:28
Nov 29 01:11:29.367 INFO [stderr]     |
Nov 29 01:11:29.367 INFO [stderr] 131 |     fn measure_fitness(&self, population: &mut Vec<LittleAnimal>) {
Nov 29 01:11:29.367 INFO [stderr]     |                               ^^^^^^^^^^ help: consider using `_population` instead
Nov 29 01:11:29.368 INFO [stderr] 
Nov 29 01:11:29.368 INFO [stderr] warning: unused variable: `population`
Nov 29 01:11:29.368 INFO [stderr]    --> src/lib.rs:150:22
Nov 29 01:11:29.369 INFO [stderr]     |
Nov 29 01:11:29.369 INFO [stderr] 150 |     fn reproduce(&self, population: &mut Vec<LittleAnimal>) {
Nov 29 01:11:29.369 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_population` instead
Nov 29 01:11:29.369 INFO [stderr] 
Nov 29 01:11:29.380 INFO [stderr] warning: field is never used: `pop_limit`
Nov 29 01:11:29.380 INFO [stderr]   --> src/universe.rs:26:2
Nov 29 01:11:29.380 INFO [stderr]    |
Nov 29 01:11:29.380 INFO [stderr] 26 |     pop_limit: usize,
Nov 29 01:11:29.381 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Nov 29 01:11:29.381 INFO [stderr]    |
Nov 29 01:11:29.381 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 29 01:11:29.381 INFO [stderr] 
Nov 29 01:11:29.437 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
Nov 29 01:11:29.439 INFO [stderr] su: No module specific data is present
Nov 29 01:11:30.154 INFO running `"docker" "inspect" "cb432695c1a6cd2e9baf8979cb52d94f3737ac6c7c1eb933577b42c69c285cbc"`
Nov 29 01:11:30.475 INFO running `"docker" "rm" "-f" "cb432695c1a6cd2e9baf8979cb52d94f3737ac6c7c1eb933577b42c69c285cbc"`
Nov 29 01:11:30.793 INFO [stdout] cb432695c1a6cd2e9baf8979cb52d94f3737ac6c7c1eb933577b42c69c285cbc