Dec 11 08:41:28.562 INFO checking stsh89/druste against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:41:28.562 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 08:41:28.912 INFO [stdout] 45025b4e8e01df7ed832df7a1251a6d26ec8638796681572f93fb272c30bcb8a
Dec 11 08:41:28.918 INFO running `"docker" "start" "-a" "45025b4e8e01df7ed832df7a1251a6d26ec8638796681572f93fb272c30bcb8a"`
Dec 11 08:41:30.296 INFO [stderr] usermod: no changes
Dec 11 08:41:30.334 INFO [stderr]     Checking druste v0.1.0 (/source)
Dec 11 08:41:30.672 INFO [stderr] warning: field is never used: `workers`
Dec 11 08:41:30.672 INFO [stderr]  --> src/lib.rs:7:5
Dec 11 08:41:30.672 INFO [stderr]   |
Dec 11 08:41:30.672 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 11 08:41:30.672 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 08:41:30.672 INFO [stderr]   |
Dec 11 08:41:30.672 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 08:41:30.672 INFO [stderr] 
Dec 11 08:41:30.672 INFO [stderr] warning: field is never used: `id`
Dec 11 08:41:30.672 INFO [stderr]   --> src/lib.rs:24:5
Dec 11 08:41:30.672 INFO [stderr]    |
Dec 11 08:41:30.672 INFO [stderr] 24 |     id: usize,
Dec 11 08:41:30.672 INFO [stderr]    |     ^^^^^^^^^
Dec 11 08:41:30.672 INFO [stderr] 
Dec 11 08:41:30.676 INFO [stderr] warning: field is never used: `thread`
Dec 11 08:41:30.676 INFO [stderr]   --> src/lib.rs:25:5
Dec 11 08:41:30.676 INFO [stderr]    |
Dec 11 08:41:30.676 INFO [stderr] 25 |     thread: thread::JoinHandle<()>,
Dec 11 08:41:30.676 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:41:30.676 INFO [stderr] 
Dec 11 08:41:30.706 INFO [stderr] warning: field is never used: `workers`
Dec 11 08:41:30.706 INFO [stderr]  --> src/lib.rs:7:5
Dec 11 08:41:30.706 INFO [stderr]   |
Dec 11 08:41:30.706 INFO [stderr] 7 |     workers: Vec<Worker>,
Dec 11 08:41:30.706 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
Dec 11 08:41:30.706 INFO [stderr]   |
Dec 11 08:41:30.706 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 08:41:30.706 INFO [stderr] 
Dec 11 08:41:30.707 INFO [stderr] warning: field is never used: `id`
Dec 11 08:41:30.707 INFO [stderr]   --> src/lib.rs:24:5
Dec 11 08:41:30.707 INFO [stderr]    |
Dec 11 08:41:30.707 INFO [stderr] 24 |     id: usize,
Dec 11 08:41:30.707 INFO [stderr]    |     ^^^^^^^^^
Dec 11 08:41:30.707 INFO [stderr] 
Dec 11 08:41:30.707 INFO [stderr] warning: field is never used: `thread`
Dec 11 08:41:30.707 INFO [stderr]   --> src/lib.rs:25:5
Dec 11 08:41:30.707 INFO [stderr]    |
Dec 11 08:41:30.707 INFO [stderr] 25 |     thread: thread::JoinHandle<()>,
Dec 11 08:41:30.707 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 08:41:30.707 INFO [stderr] 
Dec 11 08:41:31.057 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Dec 11 08:41:31.070 INFO [stderr] su: No module specific data is present
Dec 11 08:41:31.614 INFO running `"docker" "inspect" "45025b4e8e01df7ed832df7a1251a6d26ec8638796681572f93fb272c30bcb8a"`
Dec 11 08:41:31.884 INFO running `"docker" "rm" "-f" "45025b4e8e01df7ed832df7a1251a6d26ec8638796681572f93fb272c30bcb8a"`
Dec 11 08:41:32.196 INFO [stdout] 45025b4e8e01df7ed832df7a1251a6d26ec8638796681572f93fb272c30bcb8a