Dec 11 22:41:23.433 INFO checking amitkumaar/trpl against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 22:41:23.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 11 22:41:23.837 INFO [stdout] c9e5e54e960dc57ce9268d15ae5f200516b4a624fee1e3be9884bd24d2d52d98
Dec 11 22:41:23.842 INFO running `"docker" "start" "-a" "c9e5e54e960dc57ce9268d15ae5f200516b4a624fee1e3be9884bd24d2d52d98"`
Dec 11 22:41:24.596 INFO [stderr] usermod: no changes
Dec 11 22:41:24.632 INFO [stderr]     Checking trpl v0.1.0 (/source)
Dec 11 22:41:25.030 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 11 22:41:25.030 INFO [stderr]  --> src/main.rs:3:5
Dec 11 22:41:25.030 INFO [stderr]   |
Dec 11 22:41:25.030 INFO [stderr] 3 | use std::sync::Arc;
Dec 11 22:41:25.030 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 22:41:25.030 INFO [stderr]   |
Dec 11 22:41:25.030 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 22:41:25.030 INFO [stderr] 
Dec 11 22:41:25.030 INFO [stderr] warning: unused import: `std::cell::Cell`
Dec 11 22:41:25.030 INFO [stderr]  --> src/main.rs:4:5
Dec 11 22:41:25.030 INFO [stderr]   |
Dec 11 22:41:25.030 INFO [stderr] 4 | use std::cell::Cell;
Dec 11 22:41:25.030 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 22:41:25.030 INFO [stderr] 
Dec 11 22:41:25.052 INFO [stderr] warning: unused import: `std::sync::Arc`
Dec 11 22:41:25.052 INFO [stderr]  --> src/main.rs:3:5
Dec 11 22:41:25.052 INFO [stderr]   |
Dec 11 22:41:25.052 INFO [stderr] 3 | use std::sync::Arc;
Dec 11 22:41:25.052 INFO [stderr]   |     ^^^^^^^^^^^^^^
Dec 11 22:41:25.052 INFO [stderr]   |
Dec 11 22:41:25.052 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 22:41:25.052 INFO [stderr] 
Dec 11 22:41:25.052 INFO [stderr] warning: unused import: `std::cell::Cell`
Dec 11 22:41:25.052 INFO [stderr]  --> src/main.rs:4:5
Dec 11 22:41:25.052 INFO [stderr]   |
Dec 11 22:41:25.052 INFO [stderr] 4 | use std::cell::Cell;
Dec 11 22:41:25.052 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 11 22:41:25.052 INFO [stderr] 
Dec 11 22:41:25.096 INFO [stderr] warning: unused variable: `x`
Dec 11 22:41:25.096 INFO [stderr]   --> src/main.rs:50:6
Dec 11 22:41:25.096 INFO [stderr]    |
Dec 11 22:41:25.096 INFO [stderr] 50 | let (x,_) = tuple;
Dec 11 22:41:25.096 INFO [stderr]    |      ^ help: consider using `_x` instead
Dec 11 22:41:25.096 INFO [stderr]    |
Dec 11 22:41:25.096 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 22:41:25.096 INFO [stderr] 
Dec 11 22:41:25.117 INFO [stderr] warning: unused variable: `x`
Dec 11 22:41:25.117 INFO [stderr]   --> src/main.rs:50:6
Dec 11 22:41:25.117 INFO [stderr]    |
Dec 11 22:41:25.117 INFO [stderr] 50 | let (x,_) = tuple;
Dec 11 22:41:25.117 INFO [stderr]    |      ^ help: consider using `_x` instead
Dec 11 22:41:25.117 INFO [stderr]    |
Dec 11 22:41:25.117 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 22:41:25.117 INFO [stderr] 
Dec 11 22:41:25.144 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
Dec 11 22:41:25.148 INFO [stderr] su: No module specific data is present
Dec 11 22:41:25.540 INFO running `"docker" "inspect" "c9e5e54e960dc57ce9268d15ae5f200516b4a624fee1e3be9884bd24d2d52d98"`
Dec 11 22:41:25.732 INFO running `"docker" "rm" "-f" "c9e5e54e960dc57ce9268d15ae5f200516b4a624fee1e3be9884bd24d2d52d98"`
Dec 11 22:41:25.967 INFO [stdout] c9e5e54e960dc57ce9268d15ae5f200516b4a624fee1e3be9884bd24d2d52d98