Dec 19 15:26:53.859 INFO checking jalalazimi/rust-zoo against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 15:26:53.859 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/jalalazimi/rust-zoo:/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 15:26:54.263 INFO [stdout] e259432cf4f0cb670a164d29549aa52e22115d0f3aad50a9dd960ef8c06a2a31
Dec 19 15:26:54.265 INFO running `"docker" "start" "-a" "e259432cf4f0cb670a164d29549aa52e22115d0f3aad50a9dd960ef8c06a2a31"`
Dec 19 15:26:55.692 INFO [stderr]     Checking rust-zoo v0.1.0 (/opt/crater/workdir)
Dec 19 15:26:55.862 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 19 15:26:55.868 INFO [stderr]  --> src/primes.rs:4:17
Dec 19 15:26:55.868 INFO [stderr]   |
Dec 19 15:26:55.868 INFO [stderr] 4 |         let mut is_prime: bool = true;
Dec 19 15:26:55.868 INFO [stderr]   |                 ^^^^^^^^
Dec 19 15:26:55.868 INFO [stderr]   |
Dec 19 15:26:55.868 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 19 15:26:55.868 INFO [stderr]   = help: maybe it is overwritten before being read?
Dec 19 15:26:55.868 INFO [stderr] 
Dec 19 15:26:55.969 INFO [stderr] warning: value assigned to `is_prime` is never read
Dec 19 15:26:55.969 INFO [stderr]  --> src/primes.rs:4:17
Dec 19 15:26:55.969 INFO [stderr]   |
Dec 19 15:26:55.969 INFO [stderr] 4 |         let mut is_prime: bool = true;
Dec 19 15:26:55.969 INFO [stderr]   |                 ^^^^^^^^
Dec 19 15:26:55.969 INFO [stderr]   |
Dec 19 15:26:55.969 INFO [stderr]   = note: #[warn(unused_assignments)] on by default
Dec 19 15:26:55.969 INFO [stderr]   = help: maybe it is overwritten before being read?
Dec 19 15:26:55.969 INFO [stderr] 
Dec 19 15:26:55.984 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Dec 19 15:26:56.294 INFO running `"docker" "inspect" "e259432cf4f0cb670a164d29549aa52e22115d0f3aad50a9dd960ef8c06a2a31"`
Dec 19 15:26:56.386 INFO running `"docker" "rm" "-f" "e259432cf4f0cb670a164d29549aa52e22115d0f3aad50a9dd960ef8c06a2a31"`
Dec 19 15:26:56.464 INFO [stdout] e259432cf4f0cb670a164d29549aa52e22115d0f3aad50a9dd960ef8c06a2a31