Dec 19 14:25:09.702 INFO checking kevbot18/speed_primes against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 14:25:09.702 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-6/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 14:25:10.246 INFO [stdout] e321e45c1e9e2ded2cbf5d8ba766b6be4dfbc62a353f21b24579f8a6faeac146
Dec 19 14:25:10.250 INFO running `"docker" "start" "-a" "e321e45c1e9e2ded2cbf5d8ba766b6be4dfbc62a353f21b24579f8a6faeac146"`
Dec 19 14:25:12.356 INFO [stderr]     Checking speed_primes v0.1.0 (/opt/crater/workdir)
Dec 19 14:25:13.016 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 19 14:25:13.016 INFO [stderr]   --> src/main.rs:60:10
Dec 19 14:25:13.016 INFO [stderr]    |
Dec 19 14:25:13.016 INFO [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
Dec 19 14:25:13.016 INFO [stderr]    |             ^^^^^^^^
Dec 19 14:25:13.016 INFO [stderr]    |
Dec 19 14:25:13.016 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 14:25:13.016 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 14:25:13.016 INFO [stderr] 
Dec 19 14:25:13.016 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 19 14:25:13.016 INFO [stderr]   --> src/main.rs:60:10
Dec 19 14:25:13.016 INFO [stderr]    |
Dec 19 14:25:13.016 INFO [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
Dec 19 14:25:13.016 INFO [stderr]    |             ^^^^^^^^
Dec 19 14:25:13.016 INFO [stderr]    |
Dec 19 14:25:13.016 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 19 14:25:13.016 INFO [stderr]    = help: maybe it is overwritten before being read?
Dec 19 14:25:13.016 INFO [stderr] 
Dec 19 14:25:13.092 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
Dec 19 14:25:14.399 INFO running `"docker" "inspect" "e321e45c1e9e2ded2cbf5d8ba766b6be4dfbc62a353f21b24579f8a6faeac146"`
Dec 19 14:25:14.743 INFO running `"docker" "rm" "-f" "e321e45c1e9e2ded2cbf5d8ba766b6be4dfbc62a353f21b24579f8a6faeac146"`
Dec 19 14:25:15.020 INFO [stdout] e321e45c1e9e2ded2cbf5d8ba766b6be4dfbc62a353f21b24579f8a6faeac146