Nov 30 07:07:39.750 INFO checking amitkumaar/trpl against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 07:07:39.750 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 07:07:40.124 INFO [stdout] 2b8a15499338157805245e5e01fd679b01527b61f950ddb1197cf95ba0643f2e
Nov 30 07:07:40.132 INFO running `"docker" "start" "-a" "2b8a15499338157805245e5e01fd679b01527b61f950ddb1197cf95ba0643f2e"`
Nov 30 07:07:41.479 INFO [stderr] usermod: no changes
Nov 30 07:07:41.559 INFO [stderr]     Checking trpl v0.1.0 (/source)
Nov 30 07:07:42.108 INFO [stderr] warning: unused import: `std::sync::Arc`
Nov 30 07:07:42.108 INFO [stderr]  --> src/main.rs:3:5
Nov 30 07:07:42.108 INFO [stderr]   |
Nov 30 07:07:42.108 INFO [stderr] 3 | use std::sync::Arc;
Nov 30 07:07:42.108 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 07:07:42.108 INFO [stderr]   |
Nov 30 07:07:42.108 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:07:42.108 INFO [stderr] 
Nov 30 07:07:42.108 INFO [stderr] warning: unused import: `std::cell::Cell`
Nov 30 07:07:42.108 INFO [stderr]  --> src/main.rs:4:5
Nov 30 07:07:42.108 INFO [stderr]   |
Nov 30 07:07:42.108 INFO [stderr] 4 | use std::cell::Cell;
Nov 30 07:07:42.108 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 07:07:42.108 INFO [stderr] 
Nov 30 07:07:42.188 INFO [stderr] warning: unused import: `std::sync::Arc`
Nov 30 07:07:42.188 INFO [stderr]  --> src/main.rs:3:5
Nov 30 07:07:42.188 INFO [stderr]   |
Nov 30 07:07:42.188 INFO [stderr] 3 | use std::sync::Arc;
Nov 30 07:07:42.188 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 30 07:07:42.188 INFO [stderr]   |
Nov 30 07:07:42.188 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 07:07:42.188 INFO [stderr] 
Nov 30 07:07:42.188 INFO [stderr] warning: unused import: `std::cell::Cell`
Nov 30 07:07:42.188 INFO [stderr]  --> src/main.rs:4:5
Nov 30 07:07:42.188 INFO [stderr]   |
Nov 30 07:07:42.188 INFO [stderr] 4 | use std::cell::Cell;
Nov 30 07:07:42.188 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 30 07:07:42.188 INFO [stderr] 
Nov 30 07:07:42.188 INFO [stderr] warning: unused variable: `x`
Nov 30 07:07:42.188 INFO [stderr]   --> src/main.rs:50:6
Nov 30 07:07:42.188 INFO [stderr]    |
Nov 30 07:07:42.188 INFO [stderr] 50 | let (x,_) = tuple;
Nov 30 07:07:42.189 INFO [stderr]    |      ^ help: consider using `_x` instead
Nov 30 07:07:42.189 INFO [stderr]    |
Nov 30 07:07:42.189 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:07:42.189 INFO [stderr] 
Nov 30 07:07:42.304 INFO [stderr] warning: unused variable: `x`
Nov 30 07:07:42.304 INFO [stderr]   --> src/main.rs:50:6
Nov 30 07:07:42.305 INFO [stderr]    |
Nov 30 07:07:42.305 INFO [stderr] 50 | let (x,_) = tuple;
Nov 30 07:07:42.305 INFO [stderr]    |      ^ help: consider using `_x` instead
Nov 30 07:07:42.305 INFO [stderr]    |
Nov 30 07:07:42.305 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 07:07:42.305 INFO [stderr] 
Nov 30 07:07:42.339 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Nov 30 07:07:42.343 INFO [stderr] su: No module specific data is present
Nov 30 07:07:42.946 INFO running `"docker" "inspect" "2b8a15499338157805245e5e01fd679b01527b61f950ddb1197cf95ba0643f2e"`
Nov 30 07:07:43.189 INFO running `"docker" "rm" "-f" "2b8a15499338157805245e5e01fd679b01527b61f950ddb1197cf95ba0643f2e"`
Nov 30 07:07:43.400 INFO [stdout] 2b8a15499338157805245e5e01fd679b01527b61f950ddb1197cf95ba0643f2e