Dec 04 22:41:24.936 INFO checking amitkumaar/trpl against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 22:41:24.936 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 22:41:25.441 INFO [stdout] 9dd5bbd526ff30ee436d5142a28d3c4f6473cd0574dd4962198fef63c863b391
Dec 04 22:41:25.445 INFO running `"docker" "start" "-a" "9dd5bbd526ff30ee436d5142a28d3c4f6473cd0574dd4962198fef63c863b391"`
Dec 04 22:41:26.511 INFO [stderr] usermod: no changes
Dec 04 22:41:26.551 INFO [stderr]     Checking trpl v0.1.0 (/source)
Dec 04 22:41:26.880 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 04 22:41:26.880 INFO [stderr]  --> src/main.rs:3:5
Dec 04 22:41:26.880 INFO [stderr]   |
Dec 04 22:41:26.880 INFO [stderr] 3 | use std::sync::Arc;
Dec 04 22:41:26.880 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 04 22:41:26.880 INFO [stderr]   |
Dec 04 22:41:26.881 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:41:26.881 INFO [stderr] 
Dec 04 22:41:26.881 INFO [stderr] warning: unused import: `std::cell::Cell`
Dec 04 22:41:26.881 INFO [stderr]  --> src/main.rs:4:5
Dec 04 22:41:26.881 INFO [stderr]   |
Dec 04 22:41:26.881 INFO [stderr] 4 | use std::cell::Cell;
Dec 04 22:41:26.881 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 22:41:26.881 INFO [stderr] 
Dec 04 22:41:26.951 INFO [stderr] warning: unused variable: `x`
Dec 04 22:41:26.951 INFO [stderr]   --> src/main.rs:50:6
Dec 04 22:41:26.951 INFO [stderr]    |
Dec 04 22:41:26.951 INFO [stderr] 50 | let (x,_) = tuple;
Dec 04 22:41:26.951 INFO [stderr]    |      ^ help: consider using `_x` instead
Dec 04 22:41:26.951 INFO [stderr]    |
Dec 04 22:41:26.951 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:41:26.951 INFO [stderr] 
Dec 04 22:41:27.007 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 04 22:41:27.007 INFO [stderr]  --> src/main.rs:3:5
Dec 04 22:41:27.007 INFO [stderr]   |
Dec 04 22:41:27.007 INFO [stderr] 3 | use std::sync::Arc;
Dec 04 22:41:27.007 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 04 22:41:27.007 INFO [stderr]   |
Dec 04 22:41:27.007 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 22:41:27.007 INFO [stderr] 
Dec 04 22:41:27.007 INFO [stderr] warning: unused import: `std::cell::Cell`
Dec 04 22:41:27.007 INFO [stderr]  --> src/main.rs:4:5
Dec 04 22:41:27.007 INFO [stderr]   |
Dec 04 22:41:27.007 INFO [stderr] 4 | use std::cell::Cell;
Dec 04 22:41:27.007 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 04 22:41:27.007 INFO [stderr] 
Dec 04 22:41:27.071 INFO [stderr] warning: unused variable: `x`
Dec 04 22:41:27.071 INFO [stderr]   --> src/main.rs:50:6
Dec 04 22:41:27.071 INFO [stderr]    |
Dec 04 22:41:27.071 INFO [stderr] 50 | let (x,_) = tuple;
Dec 04 22:41:27.071 INFO [stderr]    |      ^ help: consider using `_x` instead
Dec 04 22:41:27.071 INFO [stderr]    |
Dec 04 22:41:27.071 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 22:41:27.071 INFO [stderr] 
Dec 04 22:41:27.121 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
Dec 04 22:41:27.127 INFO [stderr] su: No module specific data is present
Dec 04 22:41:27.592 INFO running `"docker" "inspect" "9dd5bbd526ff30ee436d5142a28d3c4f6473cd0574dd4962198fef63c863b391"`
Dec 04 22:41:27.741 INFO running `"docker" "rm" "-f" "9dd5bbd526ff30ee436d5142a28d3c4f6473cd0574dd4962198fef63c863b391"`
Dec 04 22:41:27.915 INFO [stdout] 9dd5bbd526ff30ee436d5142a28d3c4f6473cd0574dd4962198fef63c863b391