Dec 15 13:49:30.828 INFO testing genetic-0.2.1 against master#bd47d6825bf4090517549d33cfef10d3300b4a75 for pr-56550
Dec 15 13:49:30.828 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 13:49:31.295 INFO [stdout] 80b4a58fb8c8363fb6f5611ded22ff0c2f71dcc5a06f967b20ec26504476709d
Dec 15 13:49:31.302 INFO running `"docker" "start" "-a" "80b4a58fb8c8363fb6f5611ded22ff0c2f71dcc5a06f967b20ec26504476709d"`
Dec 15 13:49:32.367 INFO [stderr] usermod: no changes
Dec 15 13:49:32.423 INFO [stderr]    Compiling genetic v0.2.1 (/source)
Dec 15 13:49:33.095 INFO [stderr] warning: unused import: `universe::Universe`
Dec 15 13:49:33.095 INFO [stderr]   --> src/lib.rs:23:5
Dec 15 13:49:33.095 INFO [stderr]    |
Dec 15 13:49:33.095 INFO [stderr] 23 | use universe::Universe;
Dec 15 13:49:33.095 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 15 13:49:33.095 INFO [stderr]    |
Dec 15 13:49:33.095 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 15 13:49:33.095 INFO [stderr] 
Dec 15 13:49:33.143 INFO [stderr] warning: unused variable: `mutation_rate`
Dec 15 13:49:33.143 INFO [stderr]   --> src/lib.rs:63:23
Dec 15 13:49:33.144 INFO [stderr]    |
Dec 15 13:49:33.144 INFO [stderr] 63 |     fn mutate(&mut self, mutation_rate: f32) {
Dec 15 13:49:33.144 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: consider using `_mutation_rate` instead
Dec 15 13:49:33.144 INFO [stderr]    |
Dec 15 13:49:33.144 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 13:49:33.145 INFO [stderr] 
Dec 15 13:49:33.145 INFO [stderr] warning: unused variable: `population`
Dec 15 13:49:33.145 INFO [stderr]    --> src/lib.rs:131:28
Dec 15 13:49:33.145 INFO [stderr]     |
Dec 15 13:49:33.145 INFO [stderr] 131 |     fn measure_fitness(&self, population: &mut Vec<LittleAnimal>) {
Dec 15 13:49:33.146 INFO [stderr]     |                               ^^^^^^^^^^ help: consider using `_population` instead
Dec 15 13:49:33.146 INFO [stderr] 
Dec 15 13:49:33.146 INFO [stderr] warning: unused variable: `population`
Dec 15 13:49:33.146 INFO [stderr]    --> src/lib.rs:150:22
Dec 15 13:49:33.146 INFO [stderr]     |
Dec 15 13:49:33.146 INFO [stderr] 150 |     fn reproduce(&self, population: &mut Vec<LittleAnimal>) {
Dec 15 13:49:33.146 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_population` instead
Dec 15 13:49:33.146 INFO [stderr] 
Dec 15 13:49:33.159 INFO [stderr] warning: field is never used: `pop_limit`
Dec 15 13:49:33.159 INFO [stderr]   --> src/universe.rs:26:2
Dec 15 13:49:33.159 INFO [stderr]    |
Dec 15 13:49:33.159 INFO [stderr] 26 |     pop_limit: usize,
Dec 15 13:49:33.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 15 13:49:33.159 INFO [stderr]    |
Dec 15 13:49:33.159 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 13:49:33.159 INFO [stderr] 
Dec 15 13:49:33.159 INFO [stderr] warning: method is never used: `from_genome`
Dec 15 13:49:33.159 INFO [stderr]   --> src/lib.rs:38:2
Dec 15 13:49:33.159 INFO [stderr]    |
Dec 15 13:49:33.159 INFO [stderr] 38 |     pub fn from_genome(genome: &Vec<u8>) -> LittleAnimal {
Dec 15 13:49:33.159 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 13:49:33.159 INFO [stderr] 
Dec 15 13:49:33.159 INFO [stderr] warning: struct is never constructed: `NaturalSelection`
Dec 15 13:49:33.159 INFO [stderr]    --> src/lib.rs:119:1
Dec 15 13:49:33.159 INFO [stderr]     |
Dec 15 13:49:33.159 INFO [stderr] 119 | struct NaturalSelection;
Dec 15 13:49:33.159 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 13:49:33.159 INFO [stderr] 
Dec 15 13:49:33.159 INFO [stderr] warning: method is never used: `new`
Dec 15 13:49:33.159 INFO [stderr]    --> src/lib.rs:123:2
Dec 15 13:49:33.159 INFO [stderr]     |
Dec 15 13:49:33.159 INFO [stderr] 123 |     pub fn new() -> NaturalSelection {
Dec 15 13:49:33.159 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 13:49:33.159 INFO [stderr] 
Dec 15 13:49:33.159 INFO [stderr] warning: struct is never constructed: `NaturalReproduction`
Dec 15 13:49:33.159 INFO [stderr]    --> src/lib.rs:138:1
Dec 15 13:49:33.159 INFO [stderr]     |
Dec 15 13:49:33.159 INFO [stderr] 138 | struct NaturalReproduction;
Dec 15 13:49:33.159 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 13:49:33.159 INFO [stderr] 
Dec 15 13:49:33.159 INFO [stderr] warning: method is never used: `new`
Dec 15 13:49:33.159 INFO [stderr]    --> src/lib.rs:142:2
Dec 15 13:49:33.159 INFO [stderr]     |
Dec 15 13:49:33.159 INFO [stderr] 142 |     pub fn new() -> NaturalReproduction {
Dec 15 13:49:33.159 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 15 13:49:33.159 INFO [stderr] 
Dec 15 13:49:33.415 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Dec 15 13:49:33.415 INFO [stderr] su: No module specific data is present
Dec 15 13:49:34.295 INFO running `"docker" "inspect" "80b4a58fb8c8363fb6f5611ded22ff0c2f71dcc5a06f967b20ec26504476709d"`
Dec 15 13:49:34.637 INFO running `"docker" "rm" "-f" "80b4a58fb8c8363fb6f5611ded22ff0c2f71dcc5a06f967b20ec26504476709d"`
Dec 15 13:49:34.966 INFO [stdout] 80b4a58fb8c8363fb6f5611ded22ff0c2f71dcc5a06f967b20ec26504476709d
Dec 15 13:49:34.971 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 13:49:35.383 INFO [stdout] 36b0b835cb270c9165a64f5b98be6fa615d0cf887a978526b2dcf305f0c38b22
Dec 15 13:49:35.383 INFO running `"docker" "start" "-a" "36b0b835cb270c9165a64f5b98be6fa615d0cf887a978526b2dcf305f0c38b22"`
Dec 15 13:49:36.822 INFO [stderr] usermod: no changes
Dec 15 13:49:36.907 INFO [stderr]    Compiling genetic v0.2.1 (/source)
Dec 15 13:49:38.025 INFO [stderr] warning: unused variable: `mutation_rate`
Dec 15 13:49:38.025 INFO [stderr]   --> src/lib.rs:63:23
Dec 15 13:49:38.025 INFO [stderr]    |
Dec 15 13:49:38.025 INFO [stderr] 63 |     fn mutate(&mut self, mutation_rate: f32) {
Dec 15 13:49:38.025 INFO [stderr]    |                          ^^^^^^^^^^^^^ help: consider using `_mutation_rate` instead
Dec 15 13:49:38.025 INFO [stderr]    |
Dec 15 13:49:38.025 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 15 13:49:38.025 INFO [stderr] 
Dec 15 13:49:38.025 INFO [stderr] warning: unused variable: `population`
Dec 15 13:49:38.025 INFO [stderr]    --> src/lib.rs:131:28
Dec 15 13:49:38.025 INFO [stderr]     |
Dec 15 13:49:38.025 INFO [stderr] 131 |     fn measure_fitness(&self, population: &mut Vec<LittleAnimal>) {
Dec 15 13:49:38.025 INFO [stderr]     |                               ^^^^^^^^^^ help: consider using `_population` instead
Dec 15 13:49:38.025 INFO [stderr] 
Dec 15 13:49:38.025 INFO [stderr] warning: unused variable: `population`
Dec 15 13:49:38.025 INFO [stderr]    --> src/lib.rs:150:22
Dec 15 13:49:38.025 INFO [stderr]     |
Dec 15 13:49:38.025 INFO [stderr] 150 |     fn reproduce(&self, population: &mut Vec<LittleAnimal>) {
Dec 15 13:49:38.025 INFO [stderr]     |                         ^^^^^^^^^^ help: consider using `_population` instead
Dec 15 13:49:38.025 INFO [stderr] 
Dec 15 13:49:38.025 INFO [stderr] warning: field is never used: `pop_limit`
Dec 15 13:49:38.025 INFO [stderr]   --> src/universe.rs:26:2
Dec 15 13:49:38.025 INFO [stderr]    |
Dec 15 13:49:38.025 INFO [stderr] 26 |     pop_limit: usize,
Dec 15 13:49:38.026 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 15 13:49:38.026 INFO [stderr]    |
Dec 15 13:49:38.026 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 15 13:49:38.026 INFO [stderr] 
Dec 15 13:49:38.906 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
Dec 15 13:49:38.912 INFO [stderr] su: No module specific data is present
Dec 15 13:49:39.645 INFO running `"docker" "inspect" "36b0b835cb270c9165a64f5b98be6fa615d0cf887a978526b2dcf305f0c38b22"`
Dec 15 13:49:39.871 INFO running `"docker" "rm" "-f" "36b0b835cb270c9165a64f5b98be6fa615d0cf887a978526b2dcf305f0c38b22"`
Dec 15 13:49:40.151 INFO [stdout] 36b0b835cb270c9165a64f5b98be6fa615d0cf887a978526b2dcf305f0c38b22
Dec 15 13:49:40.155 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/master#bd47d6825bf4090517549d33cfef10d3300b4a75:/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 +bd47d6825bf4090517549d33cfef10d3300b4a75-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 15 13:49:40.571 INFO [stdout] 1b50303fb01d3d524b7f4f3cf65e3c400c9e492c7a80d5045b887310942f6acb
Dec 15 13:49:40.572 INFO running `"docker" "start" "-a" "1b50303fb01d3d524b7f4f3cf65e3c400c9e492c7a80d5045b887310942f6acb"`
Dec 15 13:49:42.391 INFO [stderr] usermod: no changes
Dec 15 13:49:42.459 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
Dec 15 13:49:42.467 INFO [stdout] 
Dec 15 13:49:42.467 INFO [stdout] running 1 test
Dec 15 13:49:42.467 INFO [stderr]      Running /target/debug/deps/genetic-d3b079977d9db466
Dec 15 13:49:42.556 INFO [stdout] test it_works ... ok
Dec 15 13:49:42.556 INFO [stdout] 
Dec 15 13:49:42.556 INFO [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 13:49:42.556 INFO [stdout] 
Dec 15 13:49:42.560 INFO [stderr]    Doc-tests genetic
Dec 15 13:49:43.642 INFO [stdout] 
Dec 15 13:49:43.642 INFO [stdout] running 0 tests
Dec 15 13:49:43.642 INFO [stdout] 
Dec 15 13:49:43.642 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 15 13:49:43.642 INFO [stdout] 
Dec 15 13:49:43.648 INFO [stderr] su: No module specific data is present
Dec 15 13:49:44.565 INFO running `"docker" "inspect" "1b50303fb01d3d524b7f4f3cf65e3c400c9e492c7a80d5045b887310942f6acb"`
Dec 15 13:49:44.872 INFO running `"docker" "rm" "-f" "1b50303fb01d3d524b7f4f3cf65e3c400c9e492c7a80d5045b887310942f6acb"`
Dec 15 13:49:45.110 INFO [stdout] 1b50303fb01d3d524b7f4f3cf65e3c400c9e492c7a80d5045b887310942f6acb