Dec 12 07:52:39.458 INFO checking scule-1.0.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 07:52:39.458 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-2/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 07:52:39.710 INFO [stdout] e12ffe0b1a14df1f627162d8748e7c86a8e7f9436fd0adbfaa91f53dc8a969a8
Dec 12 07:52:39.710 INFO running `"docker" "start" "-a" "e12ffe0b1a14df1f627162d8748e7c86a8e7f9436fd0adbfaa91f53dc8a969a8"`
Dec 12 07:52:40.552 INFO [stderr] usermod: no changes
Dec 12 07:52:40.708 INFO [stderr]     Checking scule v1.0.0 (/source)
Dec 12 07:52:42.808 INFO [stderr] warning: unused import: `std::process::Command`
Dec 12 07:52:42.808 INFO [stderr]    --> src/main.rs:115:9
Dec 12 07:52:42.808 INFO [stderr]     |
Dec 12 07:52:42.808 INFO [stderr] 115 |     use std::process::Command; 
Dec 12 07:52:42.808 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 12 07:52:42.808 INFO [stderr]     |
Dec 12 07:52:42.808 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 12 07:52:42.808 INFO [stderr] 
Dec 12 07:52:42.808 INFO [stderr] warning: unused import: `std::str`
Dec 12 07:52:42.808 INFO [stderr]    --> src/main.rs:116:9
Dec 12 07:52:42.808 INFO [stderr]     |
Dec 12 07:52:42.808 INFO [stderr] 116 |     use std::str; 
Dec 12 07:52:42.808 INFO [stderr]     |         ^^^^^^^^
Dec 12 07:52:42.808 INFO [stderr] 
Dec 12 07:52:42.952 INFO [stderr] warning: unused variable: `err`
Dec 12 07:52:42.952 INFO [stderr]   --> src/main.rs:89:13
Dec 12 07:52:42.952 INFO [stderr]    |
Dec 12 07:52:42.952 INFO [stderr] 89 |         Err(err) => "",
Dec 12 07:52:42.953 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 12 07:52:42.953 INFO [stderr]    |
Dec 12 07:52:42.953 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 07:52:42.953 INFO [stderr] 
Dec 12 07:52:42.953 INFO [stderr] warning: unused variable: `x`
Dec 12 07:52:42.953 INFO [stderr]    --> src/main.rs:108:12
Dec 12 07:52:42.953 INFO [stderr]     |
Dec 12 07:52:42.953 INFO [stderr] 108 |         Ok(x) => bytes, 
Dec 12 07:52:42.953 INFO [stderr]     |            ^ help: consider using `_x` instead
Dec 12 07:52:42.953 INFO [stderr] 
Dec 12 07:52:42.960 INFO [stderr] warning: unused variable: `err`
Dec 12 07:52:42.960 INFO [stderr]   --> src/main.rs:89:13
Dec 12 07:52:42.960 INFO [stderr]    |
Dec 12 07:52:42.960 INFO [stderr] 89 |         Err(err) => "",
Dec 12 07:52:42.960 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 12 07:52:42.960 INFO [stderr]    |
Dec 12 07:52:42.960 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 07:52:42.960 INFO [stderr] 
Dec 12 07:52:42.960 INFO [stderr] warning: unused variable: `x`
Dec 12 07:52:42.960 INFO [stderr]    --> src/main.rs:108:12
Dec 12 07:52:42.960 INFO [stderr]     |
Dec 12 07:52:42.960 INFO [stderr] 108 |         Ok(x) => bytes, 
Dec 12 07:52:42.960 INFO [stderr]     |            ^ help: consider using `_x` instead
Dec 12 07:52:42.960 INFO [stderr] 
Dec 12 07:52:43.019 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
Dec 12 07:52:43.029 INFO [stderr] su: No module specific data is present
Dec 12 07:52:43.458 INFO running `"docker" "inspect" "e12ffe0b1a14df1f627162d8748e7c86a8e7f9436fd0adbfaa91f53dc8a969a8"`
Dec 12 07:52:43.599 INFO running `"docker" "rm" "-f" "e12ffe0b1a14df1f627162d8748e7c86a8e7f9436fd0adbfaa91f53dc8a969a8"`
Dec 12 07:52:43.757 INFO [stdout] e12ffe0b1a14df1f627162d8748e7c86a8e7f9436fd0adbfaa91f53dc8a969a8