Dec 04 15:52:36.245 INFO checking kevbot18/speed_primes against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 15:52:36.245 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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"`
Dec 04 15:52:36.663 INFO [stdout] 85ac3d58a2d771e9d39e90b79a28d56f055bf98d4e6b643fb73ced1ecfa6b8f0
Dec 04 15:52:36.669 INFO running `"docker" "start" "-a" "85ac3d58a2d771e9d39e90b79a28d56f055bf98d4e6b643fb73ced1ecfa6b8f0"`
Dec 04 15:52:38.314 INFO [stderr] usermod: no changes
Dec 04 15:52:38.376 INFO [stderr]     Checking speed_primes v0.1.0 (/source)
Dec 04 15:52:38.827 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 04 15:52:38.827 INFO [stderr]   --> src/main.rs:60:10
Dec 04 15:52:38.827 INFO [stderr]    |
Dec 04 15:52:38.827 INFO [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
Dec 04 15:52:38.827 INFO [stderr]    |             ^^^^^^^^
Dec 04 15:52:38.827 INFO [stderr]    |
Dec 04 15:52:38.827 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 15:52:38.827 INFO [stderr] 
Dec 04 15:52:38.927 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 04 15:52:38.927 INFO [stderr]   --> src/main.rs:60:10
Dec 04 15:52:38.927 INFO [stderr]    |
Dec 04 15:52:38.927 INFO [stderr] 60 |     let mut is_prime: Vec<u8> = Vec::with_capacity(elements as usize);
Dec 04 15:52:38.927 INFO [stderr]    |             ^^^^^^^^
Dec 04 15:52:38.927 INFO [stderr]    |
Dec 04 15:52:38.927 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Dec 04 15:52:38.927 INFO [stderr] 
Dec 04 15:52:38.975 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
Dec 04 15:52:38.977 INFO [stderr] su: No module specific data is present
Dec 04 15:52:40.237 INFO running `"docker" "inspect" "85ac3d58a2d771e9d39e90b79a28d56f055bf98d4e6b643fb73ced1ecfa6b8f0"`
Dec 04 15:52:40.495 INFO running `"docker" "rm" "-f" "85ac3d58a2d771e9d39e90b79a28d56f055bf98d4e6b643fb73ced1ecfa6b8f0"`
Dec 04 15:52:40.811 INFO [stdout] 85ac3d58a2d771e9d39e90b79a28d56f055bf98d4e6b643fb73ced1ecfa6b8f0