Dec 12 03:32:34.696 INFO checking CallumJHays/rust-ann against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 03:32:34.696 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 12 03:32:34.880 INFO [stdout] 8fcb870c93bb8b03caa87ee49d2567af1b55fe4e4b6652623cea4871ef33395e
Dec 12 03:32:34.880 INFO running `"docker" "start" "-a" "8fcb870c93bb8b03caa87ee49d2567af1b55fe4e4b6652623cea4871ef33395e"`
Dec 12 03:32:35.357 INFO [stderr] usermod: no changes
Dec 12 03:32:35.453 INFO [stderr]     Checking env_logger v0.3.5
Dec 12 03:32:36.251 INFO [stderr]     Checking pretty_env_logger v0.1.0
Dec 12 03:32:37.057 INFO [stderr]     Checking linear_regression v0.1.0 (/source)
Dec 12 03:32:38.080 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 03:32:38.080 INFO [stderr]  --> src/main.rs:2:1
Dec 12 03:32:38.080 INFO [stderr]   |
Dec 12 03:32:38.080 INFO [stderr] 2 | #[macro_use]
Dec 12 03:32:38.080 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 03:32:38.080 INFO [stderr]   |
Dec 12 03:32:38.080 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:32:38.080 INFO [stderr] 
Dec 12 03:32:38.104 INFO [stderr] warning: unused `#[macro_use]` import
Dec 12 03:32:38.104 INFO [stderr]  --> src/main.rs:2:1
Dec 12 03:32:38.104 INFO [stderr]   |
Dec 12 03:32:38.104 INFO [stderr] 2 | #[macro_use]
Dec 12 03:32:38.104 INFO [stderr]   | ^^^^^^^^^^^^
Dec 12 03:32:38.104 INFO [stderr]   |
Dec 12 03:32:38.104 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 03:32:38.104 INFO [stderr] 
Dec 12 03:32:38.332 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.95s
Dec 12 03:32:38.336 INFO [stderr] su: No module specific data is present
Dec 12 03:32:38.886 INFO running `"docker" "inspect" "8fcb870c93bb8b03caa87ee49d2567af1b55fe4e4b6652623cea4871ef33395e"`
Dec 12 03:32:39.019 INFO running `"docker" "rm" "-f" "8fcb870c93bb8b03caa87ee49d2567af1b55fe4e4b6652623cea4871ef33395e"`
Dec 12 03:32:39.163 INFO [stdout] 8fcb870c93bb8b03caa87ee49d2567af1b55fe4e4b6652623cea4871ef33395e