Dec 04 16:45:44.555 INFO checking jechase/rustfmt_example against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 16:45:44.555 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 16:45:45.048 INFO [stdout] fe0c18aed75f5e2c59e52c9e23c647960b03556b8e2458f9e7a1faf2d8002bf9
Dec 04 16:45:45.053 INFO running `"docker" "start" "-a" "fe0c18aed75f5e2c59e52c9e23c647960b03556b8e2458f9e7a1faf2d8002bf9"`
Dec 04 16:45:46.267 INFO [stderr] usermod: no changes
Dec 04 16:45:46.347 INFO [stderr]     Checking rust_demo v0.1.0 (/source)
Dec 04 16:45:46.811 INFO [stderr] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
Dec 04 16:45:46.811 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:45:46.811 INFO [stderr]   |
Dec 04 16:45:46.811 INFO [stderr] 2 |     env,
Dec 04 16:45:46.811 INFO [stderr]   |     ^^^
Dec 04 16:45:46.811 INFO [stderr] 3 |     fs,
Dec 04 16:45:46.811 INFO [stderr]   |     ^^
Dec 04 16:45:46.811 INFO [stderr] 4 |     io::{
Dec 04 16:45:46.811 INFO [stderr] 5 |         self,
Dec 04 16:45:46.811 INFO [stderr]   |         ^^^^
Dec 04 16:45:46.811 INFO [stderr] 6 |         BufRead,
Dec 04 16:45:46.811 INFO [stderr]   |         ^^^^^^^
Dec 04 16:45:46.811 INFO [stderr] 7 |         Write,
Dec 04 16:45:46.811 INFO [stderr]   |         ^^^^^
Dec 04 16:45:46.811 INFO [stderr] 8 |     },
Dec 04 16:45:46.811 INFO [stderr] 9 |     process::Command,
Dec 04 16:45:46.811 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:45:46.811 INFO [stderr]   |
Dec 04 16:45:46.811 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:45:46.811 INFO [stderr] 
Dec 04 16:45:47.003 INFO [stderr] warning: unused imports: `BufRead`, `Write`, `env`, `fs`, `process::Command`, `self`
Dec 04 16:45:47.003 INFO [stderr]  --> src/main.rs:2:5
Dec 04 16:45:47.003 INFO [stderr]   |
Dec 04 16:45:47.003 INFO [stderr] 2 |     env,
Dec 04 16:45:47.003 INFO [stderr]   |     ^^^
Dec 04 16:45:47.003 INFO [stderr] 3 |     fs,
Dec 04 16:45:47.003 INFO [stderr]   |     ^^
Dec 04 16:45:47.003 INFO [stderr] 4 |     io::{
Dec 04 16:45:47.003 INFO [stderr] 5 |         self,
Dec 04 16:45:47.003 INFO [stderr]   |         ^^^^
Dec 04 16:45:47.003 INFO [stderr] 6 |         BufRead,
Dec 04 16:45:47.003 INFO [stderr]   |         ^^^^^^^
Dec 04 16:45:47.003 INFO [stderr] 7 |         Write,
Dec 04 16:45:47.003 INFO [stderr]   |         ^^^^^
Dec 04 16:45:47.003 INFO [stderr] 8 |     },
Dec 04 16:45:47.003 INFO [stderr] 9 |     process::Command,
Dec 04 16:45:47.003 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 04 16:45:47.003 INFO [stderr]   |
Dec 04 16:45:47.003 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 16:45:47.003 INFO [stderr] 
Dec 04 16:45:47.031 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 04 16:45:47.033 INFO [stderr] su: No module specific data is present
Dec 04 16:45:47.522 INFO running `"docker" "inspect" "fe0c18aed75f5e2c59e52c9e23c647960b03556b8e2458f9e7a1faf2d8002bf9"`
Dec 04 16:45:47.677 INFO running `"docker" "rm" "-f" "fe0c18aed75f5e2c59e52c9e23c647960b03556b8e2458f9e7a1faf2d8002bf9"`
Dec 04 16:45:47.844 INFO [stdout] fe0c18aed75f5e2c59e52c9e23c647960b03556b8e2458f9e7a1faf2d8002bf9