Nov 30 01:53:57.397 INFO checking howeih/Day-41-Union-Find against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 01:53:57.397 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 01:53:57.560 INFO [stdout] ba60ed96d046fecf7a4280a44e4b35984457db13311bed4e3cbab88fa3ab75b1
Nov 30 01:53:57.562 INFO running `"docker" "start" "-a" "ba60ed96d046fecf7a4280a44e4b35984457db13311bed4e3cbab88fa3ab75b1"`
Nov 30 01:53:58.012 INFO [stderr] usermod: no changes
Nov 30 01:53:58.048 INFO [stderr]     Checking union_find v0.1.0 (/source)
Nov 30 01:53:58.292 INFO [stderr] warning: unused import: `std::iter::Iterator`
Nov 30 01:53:58.292 INFO [stderr]  --> src/main.rs:2:5
Nov 30 01:53:58.292 INFO [stderr]   |
Nov 30 01:53:58.292 INFO [stderr] 2 | use std::iter::Iterator;
Nov 30 01:53:58.292 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:53:58.292 INFO [stderr]   |
Nov 30 01:53:58.292 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:53:58.292 INFO [stderr] 
Nov 30 01:53:58.407 INFO [stderr] warning: unused import: `std::iter::Iterator`
Nov 30 01:53:58.407 INFO [stderr]  --> src/main.rs:2:5
Nov 30 01:53:58.407 INFO [stderr]   |
Nov 30 01:53:58.407 INFO [stderr] 2 | use std::iter::Iterator;
Nov 30 01:53:58.407 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Nov 30 01:53:58.407 INFO [stderr]   |
Nov 30 01:53:58.407 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 01:53:58.407 INFO [stderr] 
Nov 30 01:53:58.457 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Nov 30 01:53:58.458 INFO [stderr] su: No module specific data is present
Nov 30 01:53:58.754 INFO running `"docker" "inspect" "ba60ed96d046fecf7a4280a44e4b35984457db13311bed4e3cbab88fa3ab75b1"`
Nov 30 01:53:58.817 INFO running `"docker" "rm" "-f" "ba60ed96d046fecf7a4280a44e4b35984457db13311bed4e3cbab88fa3ab75b1"`
Nov 30 01:53:58.901 INFO [stdout] ba60ed96d046fecf7a4280a44e4b35984457db13311bed4e3cbab88fa3ab75b1