Dec 17 23:12:53.946 INFO checking howeih/Day-9-Monte-carlo-PI against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 23:12:53.946 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 23:12:54.432 INFO [stdout] af64e81ff100346c8fc452d82a140ce129c47d49d3801d32c2bfc12cc523c438
Dec 17 23:12:54.436 INFO running `"docker" "start" "-a" "af64e81ff100346c8fc452d82a140ce129c47d49d3801d32c2bfc12cc523c438"`
Dec 17 23:12:55.721 INFO [stderr]     Checking monte_carlo v0.1.0 (/opt/crater/workdir)
Dec 17 23:12:55.932 INFO [stderr] warning: unused import: `thread_rng`
Dec 17 23:12:55.932 INFO [stderr]  --> src/main.rs:2:12
Dec 17 23:12:55.932 INFO [stderr]   |
Dec 17 23:12:55.932 INFO [stderr] 2 | use rand::{thread_rng, Rng};
Dec 17 23:12:55.932 INFO [stderr]   |            ^^^^^^^^^^
Dec 17 23:12:55.932 INFO [stderr]   |
Dec 17 23:12:55.932 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:12:55.932 INFO [stderr] 
Dec 17 23:12:55.932 INFO [stderr] warning: unused import: `std::num`
Dec 17 23:12:55.932 INFO [stderr]  --> src/main.rs:4:5
Dec 17 23:12:55.932 INFO [stderr]   |
Dec 17 23:12:55.932 INFO [stderr] 4 | use std::num;
Dec 17 23:12:55.932 INFO [stderr]   |     ^^^^^^^^
Dec 17 23:12:55.932 INFO [stderr] 
Dec 17 23:12:55.964 INFO [stderr] warning: unused import: `thread_rng`
Dec 17 23:12:55.964 INFO [stderr]  --> src/main.rs:2:12
Dec 17 23:12:55.964 INFO [stderr]   |
Dec 17 23:12:55.964 INFO [stderr] 2 | use rand::{thread_rng, Rng};
Dec 17 23:12:55.964 INFO [stderr]   |            ^^^^^^^^^^
Dec 17 23:12:55.964 INFO [stderr]   |
Dec 17 23:12:55.964 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 17 23:12:55.964 INFO [stderr] 
Dec 17 23:12:55.964 INFO [stderr] warning: unused import: `std::num`
Dec 17 23:12:55.964 INFO [stderr]  --> src/main.rs:4:5
Dec 17 23:12:55.965 INFO [stderr]   |
Dec 17 23:12:55.965 INFO [stderr] 4 | use std::num;
Dec 17 23:12:55.965 INFO [stderr]   |     ^^^^^^^^
Dec 17 23:12:55.965 INFO [stderr] 
Dec 17 23:12:56.020 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.35s
Dec 17 23:12:56.519 INFO running `"docker" "inspect" "af64e81ff100346c8fc452d82a140ce129c47d49d3801d32c2bfc12cc523c438"`
Dec 17 23:12:56.762 INFO running `"docker" "rm" "-f" "af64e81ff100346c8fc452d82a140ce129c47d49d3801d32c2bfc12cc523c438"`
Dec 17 23:12:57.024 INFO [stdout] af64e81ff100346c8fc452d82a140ce129c47d49d3801d32c2bfc12cc523c438