Dec 19 16:01:09.428 INFO checking howeih/Day-9-Monte-carlo-PI against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:01:09.428 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/howeih/Day-9-Monte-carlo-PI:/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 16:01:09.854 INFO [stdout] 1acaac95cacd4701f617e23ff5568a8a797832ee16ab3f9470ae9d9ce74bf8a7
Dec 19 16:01:09.860 INFO running `"docker" "start" "-a" "1acaac95cacd4701f617e23ff5568a8a797832ee16ab3f9470ae9d9ce74bf8a7"`
Dec 19 16:01:11.188 INFO [stderr]     Checking monte_carlo v0.1.0 (/opt/crater/workdir)
Dec 19 16:01:11.389 INFO [stderr] warning: unused import: `thread_rng`
Dec 19 16:01:11.389 INFO [stderr]  --> src/main.rs:2:12
Dec 19 16:01:11.389 INFO [stderr]   |
Dec 19 16:01:11.389 INFO [stderr] 2 | use rand::{thread_rng, Rng};
Dec 19 16:01:11.389 INFO [stderr]   |            ^^^^^^^^^^
Dec 19 16:01:11.389 INFO [stderr]   |
Dec 19 16:01:11.389 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:01:11.389 INFO [stderr] 
Dec 19 16:01:11.389 INFO [stderr] warning: unused import: `std::num`
Dec 19 16:01:11.389 INFO [stderr]  --> src/main.rs:4:5
Dec 19 16:01:11.389 INFO [stderr]   |
Dec 19 16:01:11.389 INFO [stderr] 4 | use std::num;
Dec 19 16:01:11.389 INFO [stderr]   |     ^^^^^^^^
Dec 19 16:01:11.389 INFO [stderr] 
Dec 19 16:01:11.397 INFO [stderr] warning: unused import: `thread_rng`
Dec 19 16:01:11.397 INFO [stderr]  --> src/main.rs:2:12
Dec 19 16:01:11.397 INFO [stderr]   |
Dec 19 16:01:11.397 INFO [stderr] 2 | use rand::{thread_rng, Rng};
Dec 19 16:01:11.397 INFO [stderr]   |            ^^^^^^^^^^
Dec 19 16:01:11.397 INFO [stderr]   |
Dec 19 16:01:11.397 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 16:01:11.397 INFO [stderr] 
Dec 19 16:01:11.397 INFO [stderr] warning: unused import: `std::num`
Dec 19 16:01:11.397 INFO [stderr]  --> src/main.rs:4:5
Dec 19 16:01:11.397 INFO [stderr]   |
Dec 19 16:01:11.397 INFO [stderr] 4 | use std::num;
Dec 19 16:01:11.397 INFO [stderr]   |     ^^^^^^^^
Dec 19 16:01:11.397 INFO [stderr] 
Dec 19 16:01:11.522 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.36s
Dec 19 16:01:12.077 INFO running `"docker" "inspect" "1acaac95cacd4701f617e23ff5568a8a797832ee16ab3f9470ae9d9ce74bf8a7"`
Dec 19 16:01:12.297 INFO running `"docker" "rm" "-f" "1acaac95cacd4701f617e23ff5568a8a797832ee16ab3f9470ae9d9ce74bf8a7"`
Dec 19 16:01:12.572 INFO [stdout] 1acaac95cacd4701f617e23ff5568a8a797832ee16ab3f9470ae9d9ce74bf8a7