Dec 19 14:25:10.555 INFO checking kevbot18/speed_primes against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 14:25:10.555 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/kevbot18/speed_primes:/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 14:25:11.118 INFO [stdout] 2d894ba01579000fc9195802fa021277d74ae38860d359edca1ad6c690fa86a6
Dec 19 14:25:11.120 INFO running `"docker" "start" "-a" "2d894ba01579000fc9195802fa021277d74ae38860d359edca1ad6c690fa86a6"`
Dec 19 14:25:13.968 INFO [stderr]     Checking speed_primes v0.1.0 (/opt/crater/workdir)
Dec 19 14:25:14.495 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 19 14:25:14.495 INFO [stderr]   --> src/main.rs:60:10
Dec 19 14:25:14.495 INFO [stderr]    |
Dec 19 14:25:14.495 INFO [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
Dec 19 14:25:14.495 INFO [stderr]    |             ^^^^^^^^
Dec 19 14:25:14.495 INFO [stderr]    |
Dec 19 14:25:14.495 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 14:25:14.495 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 14:25:14.495 INFO [stderr] 
Dec 19 14:25:14.524 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 19 14:25:14.524 INFO [stderr]   --> src/main.rs:60:10
Dec 19 14:25:14.524 INFO [stderr]    |
Dec 19 14:25:14.524 INFO [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
Dec 19 14:25:14.524 INFO [stderr]    |             ^^^^^^^^
Dec 19 14:25:14.524 INFO [stderr]    |
Dec 19 14:25:14.524 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 14:25:14.524 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 14:25:14.524 INFO [stderr] 
Dec 19 14:25:14.609 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
Dec 19 14:25:15.936 INFO running `"docker" "inspect" "2d894ba01579000fc9195802fa021277d74ae38860d359edca1ad6c690fa86a6"`
Dec 19 14:25:16.288 INFO running `"docker" "rm" "-f" "2d894ba01579000fc9195802fa021277d74ae38860d359edca1ad6c690fa86a6"`
Dec 19 14:25:16.584 INFO [stdout] 2d894ba01579000fc9195802fa021277d74ae38860d359edca1ad6c690fa86a6