Dec 11 12:59:30.441 INFO checking na-o-ys/calc against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 12:59:30.441 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 11 12:59:30.899 INFO [stdout] 9107a6a8038695aa1c4fdbf4c0bbb5e312e9abe8dcfbd558a864d6fbeea984f4
Dec 11 12:59:30.901 INFO running `"docker" "start" "-a" "9107a6a8038695aa1c4fdbf4c0bbb5e312e9abe8dcfbd558a864d6fbeea984f4"`
Dec 11 12:59:32.895 INFO [stderr] usermod: no changes
Dec 11 12:59:32.954 INFO [stderr]     Checking calc v0.1.0 (/source)
Dec 11 12:59:33.416 INFO [stderr] warning: unused import: `Duration`
Dec 11 12:59:33.417 INFO [stderr]  --> src/main.rs:6:17
Dec 11 12:59:33.417 INFO [stderr]   |
Dec 11 12:59:33.417 INFO [stderr] 6 | use std::time::{Duration, Instant};
Dec 11 12:59:33.417 INFO [stderr]   |                 ^^^^^^^^
Dec 11 12:59:33.418 INFO [stderr]   |
Dec 11 12:59:33.418 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 12:59:33.418 INFO [stderr] 
Dec 11 12:59:33.464 INFO [stderr] warning: unused import: `Duration`
Dec 11 12:59:33.464 INFO [stderr]  --> src/main.rs:6:17
Dec 11 12:59:33.464 INFO [stderr]   |
Dec 11 12:59:33.464 INFO [stderr] 6 | use std::time::{Duration, Instant};
Dec 11 12:59:33.464 INFO [stderr]   |                 ^^^^^^^^
Dec 11 12:59:33.464 INFO [stderr]   |
Dec 11 12:59:33.464 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 12:59:33.464 INFO [stderr] 
Dec 11 12:59:33.704 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
Dec 11 12:59:33.712 INFO [stderr] su: No module specific data is present
Dec 11 12:59:34.944 INFO running `"docker" "inspect" "9107a6a8038695aa1c4fdbf4c0bbb5e312e9abe8dcfbd558a864d6fbeea984f4"`
Dec 11 12:59:35.228 INFO running `"docker" "rm" "-f" "9107a6a8038695aa1c4fdbf4c0bbb5e312e9abe8dcfbd558a864d6fbeea984f4"`
Dec 11 12:59:35.535 INFO [stdout] 9107a6a8038695aa1c4fdbf4c0bbb5e312e9abe8dcfbd558a864d6fbeea984f4