Dec 19 09:22:30.953 INFO checking saulshanabrook/graph-computation-play against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 09:22:30.953 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/saulshanabrook/graph-computation-play:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 09:22:31.450 INFO [stdout] 627086eb4c09470bcbf7bf36440a58c23b9429b8708fcf579f4163609ea8e748
Dec 19 09:22:31.452 INFO running `"docker" "start" "-a" "627086eb4c09470bcbf7bf36440a58c23b9429b8708fcf579f4163609ea8e748"`
Dec 19 09:22:33.208 INFO [stderr]     Checking graph-computation-play v0.1.0 (/opt/crater/workdir)
Dec 19 09:22:33.521 INFO [stderr] warning: constant item is never used: `POP_SIZE`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:51:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 51 | const POP_SIZE: usize = 100;
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.521 INFO [stderr] warning: type alias is never used: `Genomes`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:52:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 52 | type Genomes = [Genome; POP_SIZE];
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.521 INFO [stderr] warning: type alias is never used: `Errors`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:53:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 53 | type Errors = [Error; POP_SIZE];
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.521 INFO [stderr] warning: function is never used: `errors_from_genomes`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:55:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 55 | fn errors_from_genomes(genomes: Genomes) -> Errors {
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.521 INFO [stderr] warning: struct is never constructed: `Population`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:62:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 62 | struct Population {
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.521 INFO [stderr] warning: function is never used: `population_from_genomes`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:67:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 67 | fn population_from_genomes(genomes: Genomes) -> Population {
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.521 INFO [stderr] warning: function is never used: `initial_population`
Dec 19 09:22:33.521 INFO [stderr]   --> main.rs:74:1
Dec 19 09:22:33.521 INFO [stderr]    |
Dec 19 09:22:33.521 INFO [stderr] 74 | fn initial_population<R: Rng>(random_gene: &Range<Gene>, rng: &mut R) -> Population {
Dec 19 09:22:33.521 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.521 INFO [stderr] 
Dec 19 09:22:33.599 INFO [stderr] warning: constant item is never used: `POP_SIZE`
Dec 19 09:22:33.599 INFO [stderr]   --> main.rs:51:1
Dec 19 09:22:33.599 INFO [stderr]    |
Dec 19 09:22:33.599 INFO [stderr] 51 | const POP_SIZE: usize = 100;
Dec 19 09:22:33.599 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.599 INFO [stderr]    |
Dec 19 09:22:33.599 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.600 INFO [stderr] warning: type alias is never used: `Genomes`
Dec 19 09:22:33.600 INFO [stderr]   --> main.rs:52:1
Dec 19 09:22:33.600 INFO [stderr]    |
Dec 19 09:22:33.600 INFO [stderr] 52 | type Genomes = [Genome; POP_SIZE];
Dec 19 09:22:33.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.600 INFO [stderr] warning: type alias is never used: `Errors`
Dec 19 09:22:33.600 INFO [stderr]   --> main.rs:53:1
Dec 19 09:22:33.600 INFO [stderr]    |
Dec 19 09:22:33.600 INFO [stderr] 53 | type Errors = [Error; POP_SIZE];
Dec 19 09:22:33.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.600 INFO [stderr] warning: function is never used: `errors_from_genomes`
Dec 19 09:22:33.600 INFO [stderr]   --> main.rs:55:1
Dec 19 09:22:33.600 INFO [stderr]    |
Dec 19 09:22:33.600 INFO [stderr] 55 | fn errors_from_genomes(genomes: Genomes) -> Errors {
Dec 19 09:22:33.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.600 INFO [stderr] warning: struct is never constructed: `Population`
Dec 19 09:22:33.600 INFO [stderr]   --> main.rs:62:1
Dec 19 09:22:33.600 INFO [stderr]    |
Dec 19 09:22:33.600 INFO [stderr] 62 | struct Population {
Dec 19 09:22:33.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.600 INFO [stderr] warning: function is never used: `population_from_genomes`
Dec 19 09:22:33.600 INFO [stderr]   --> main.rs:67:1
Dec 19 09:22:33.600 INFO [stderr]    |
Dec 19 09:22:33.600 INFO [stderr] 67 | fn population_from_genomes(genomes: Genomes) -> Population {
Dec 19 09:22:33.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.600 INFO [stderr] warning: function is never used: `initial_population`
Dec 19 09:22:33.600 INFO [stderr]   --> main.rs:74:1
Dec 19 09:22:33.600 INFO [stderr]    |
Dec 19 09:22:33.600 INFO [stderr] 74 | fn initial_population<R: Rng>(random_gene: &Range<Gene>, rng: &mut R) -> Population {
Dec 19 09:22:33.600 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 09:22:33.600 INFO [stderr] 
Dec 19 09:22:33.641 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 19 09:22:34.702 INFO running `"docker" "inspect" "627086eb4c09470bcbf7bf36440a58c23b9429b8708fcf579f4163609ea8e748"`
Dec 19 09:22:34.910 INFO running `"docker" "rm" "-f" "627086eb4c09470bcbf7bf36440a58c23b9429b8708fcf579f4163609ea8e748"`
Dec 19 09:22:35.208 INFO [stdout] 627086eb4c09470bcbf7bf36440a58c23b9429b8708fcf579f4163609ea8e748