Dec 04 16:45:46.948 INFO checking jechase/rustfmt_example against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 16:45:46.948 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 04 16:45:47.275 INFO [stdout] 0a596297e08b6e6a70c027e807cf1e3e5751bf3708fe099e7affa3b765c3afb3
Dec 04 16:45:47.277 INFO running `"docker" "start" "-a" "0a596297e08b6e6a70c027e807cf1e3e5751bf3708fe099e7affa3b765c3afb3"`
Dec 04 16:45:48.055 INFO [stderr] usermod: no changes
Dec 04 16:45:48.110 INFO [stderr]     Checking rust_demo v0.1.0 (/source)
Dec 04 16:45:48.358 INFO [stderr] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
Dec 04 16:45:48.359 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:45:48.359 INFO [stderr]   |
Dec 04 16:45:48.359 INFO [stderr] 2 |     env,
Dec 04 16:45:48.359 INFO [stderr]   |     ^^^
Dec 04 16:45:48.359 INFO [stderr] 3 |     fs,
Dec 04 16:45:48.359 INFO [stderr]   |     ^^
Dec 04 16:45:48.359 INFO [stderr] 4 |     io::{
Dec 04 16:45:48.359 INFO [stderr] 5 |         self,
Dec 04 16:45:48.359 INFO [stderr]   |         ^^^^
Dec 04 16:45:48.359 INFO [stderr] 6 |         BufRead,
Dec 04 16:45:48.359 INFO [stderr]   |         ^^^^^^^
Dec 04 16:45:48.359 INFO [stderr] 7 |         Write,
Dec 04 16:45:48.359 INFO [stderr]   |         ^^^^^
Dec 04 16:45:48.359 INFO [stderr] 8 |     },
Dec 04 16:45:48.359 INFO [stderr] 9 |     process::Command,
Dec 04 16:45:48.359 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:45:48.359 INFO [stderr]   |
Dec 04 16:45:48.359 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:45:48.359 INFO [stderr] 
Dec 04 16:45:48.426 INFO [stderr] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
Dec 04 16:45:48.426 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:45:48.427 INFO [stderr]   |
Dec 04 16:45:48.427 INFO [stderr] 2 |     env,
Dec 04 16:45:48.427 INFO [stderr]   |     ^^^
Dec 04 16:45:48.427 INFO [stderr] 3 |     fs,
Dec 04 16:45:48.427 INFO [stderr]   |     ^^
Dec 04 16:45:48.427 INFO [stderr] 4 |     io::{
Dec 04 16:45:48.427 INFO [stderr] 5 |         self,
Dec 04 16:45:48.427 INFO [stderr]   |         ^^^^
Dec 04 16:45:48.427 INFO [stderr] 6 |         BufRead,
Dec 04 16:45:48.427 INFO [stderr]   |         ^^^^^^^
Dec 04 16:45:48.427 INFO [stderr] 7 |         Write,
Dec 04 16:45:48.427 INFO [stderr]   |         ^^^^^
Dec 04 16:45:48.427 INFO [stderr] 8 |     },
Dec 04 16:45:48.431 INFO [stderr] 9 |     process::Command,
Dec 04 16:45:48.431 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:45:48.431 INFO [stderr]   |
Dec 04 16:45:48.431 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:45:48.431 INFO [stderr] 
Dec 04 16:45:48.495 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 04 16:45:48.498 INFO [stderr] su: No module specific data is present
Dec 04 16:45:48.941 INFO running `"docker" "inspect" "0a596297e08b6e6a70c027e807cf1e3e5751bf3708fe099e7affa3b765c3afb3"`
Dec 04 16:45:49.105 INFO running `"docker" "rm" "-f" "0a596297e08b6e6a70c027e807cf1e3e5751bf3708fe099e7affa3b765c3afb3"`
Dec 04 16:45:49.399 INFO [stdout] 0a596297e08b6e6a70c027e807cf1e3e5751bf3708fe099e7affa3b765c3afb3