Nov 30 12:54:35.280 INFO checking workerpool-1.1.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 12:54:35.280 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12:54:35.764 INFO [stdout] 421ba81ea3313411c476cd88d6942553c12c8b3d340e22fcb8118b1077aaf768
Nov 30 12:54:35.768 INFO running `"docker" "start" "-a" "421ba81ea3313411c476cd88d6942553c12c8b3d340e22fcb8118b1077aaf768"`
Nov 30 12:54:37.716 INFO [stderr] usermod: no changes
Nov 30 12:54:37.832 INFO [stderr]     Checking workerpool v1.1.1 (/source)
Nov 30 12:54:39.253 INFO [stderr] warning: unused arithmetic operation that must be used
Nov 30 12:54:39.253 INFO [stderr]     --> src/lib.rs:1070:46
Nov 30 12:54:39.253 INFO [stderr]      |
Nov 30 12:54:39.253 INFO [stderr] 1070 |             pool.execute(Thunk::of(move || { 1 + 1; }));
Nov 30 12:54:39.253 INFO [stderr]      |                                              ^^^^^
Nov 30 12:54:39.253 INFO [stderr]      |
Nov 30 12:54:39.253 INFO [stderr]      = note: #[warn(unused_must_use)] on by default
Nov 30 12:54:39.253 INFO [stderr] 
Nov 30 12:54:39.296 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
Nov 30 12:54:39.296 INFO [stderr] su: No module specific data is present
Nov 30 12:54:39.730 INFO running `"docker" "inspect" "421ba81ea3313411c476cd88d6942553c12c8b3d340e22fcb8118b1077aaf768"`
Nov 30 12:54:39.890 INFO running `"docker" "rm" "-f" "421ba81ea3313411c476cd88d6942553c12c8b3d340e22fcb8118b1077aaf768"`
Nov 30 12:54:40.021 INFO [stdout] 421ba81ea3313411c476cd88d6942553c12c8b3d340e22fcb8118b1077aaf768