Dec 05 07:00:43.204 INFO checking scule-1.0.0 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 07:00:43.204 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 07:00:43.475 INFO [stdout] ac88e8d4740159e2771663c154cb6f90bafbfa28e76cd07a3e0556d6cefa623e
Dec 05 07:00:43.481 INFO running `"docker" "start" "-a" "ac88e8d4740159e2771663c154cb6f90bafbfa28e76cd07a3e0556d6cefa623e"`
Dec 05 07:00:44.219 INFO [stderr] usermod: no changes
Dec 05 07:00:44.282 INFO [stderr]     Checking scule v1.0.0 (/source)
Dec 05 07:00:45.523 INFO [stderr] warning: unused import: `std::process::Command`
Dec 05 07:00:45.523 INFO [stderr]    --> src/main.rs:115:9
Dec 05 07:00:45.523 INFO [stderr]     |
Dec 05 07:00:45.523 INFO [stderr] 115 |     use std::process::Command; 
Dec 05 07:00:45.523 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 05 07:00:45.523 INFO [stderr]     |
Dec 05 07:00:45.523 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 05 07:00:45.523 INFO [stderr] 
Dec 05 07:00:45.523 INFO [stderr] warning: unused import: `std::str`
Dec 05 07:00:45.523 INFO [stderr]    --> src/main.rs:116:9
Dec 05 07:00:45.523 INFO [stderr]     |
Dec 05 07:00:45.523 INFO [stderr] 116 |     use std::str; 
Dec 05 07:00:45.523 INFO [stderr]     |         ^^^^^^^^
Dec 05 07:00:45.523 INFO [stderr] 
Dec 05 07:00:45.571 INFO [stderr] warning: unused variable: `err`
Dec 05 07:00:45.571 INFO [stderr]   --> src/main.rs:89:13
Dec 05 07:00:45.571 INFO [stderr]    |
Dec 05 07:00:45.571 INFO [stderr] 89 |         Err(err) => "",
Dec 05 07:00:45.571 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 05 07:00:45.571 INFO [stderr]    |
Dec 05 07:00:45.571 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:00:45.571 INFO [stderr] 
Dec 05 07:00:45.571 INFO [stderr] warning: unused variable: `x`
Dec 05 07:00:45.571 INFO [stderr]    --> src/main.rs:108:12
Dec 05 07:00:45.571 INFO [stderr]     |
Dec 05 07:00:45.571 INFO [stderr] 108 |         Ok(x) => bytes, 
Dec 05 07:00:45.571 INFO [stderr]     |            ^ help: consider using `_x` instead
Dec 05 07:00:45.571 INFO [stderr] 
Dec 05 07:00:45.624 INFO [stderr] warning: unused variable: `err`
Dec 05 07:00:45.625 INFO [stderr]   --> src/main.rs:89:13
Dec 05 07:00:45.625 INFO [stderr]    |
Dec 05 07:00:45.625 INFO [stderr] 89 |         Err(err) => "",
Dec 05 07:00:45.625 INFO [stderr]    |             ^^^ help: consider using `_err` instead
Dec 05 07:00:45.625 INFO [stderr]    |
Dec 05 07:00:45.625 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 07:00:45.625 INFO [stderr] 
Dec 05 07:00:45.625 INFO [stderr] warning: unused variable: `x`
Dec 05 07:00:45.625 INFO [stderr]    --> src/main.rs:108:12
Dec 05 07:00:45.625 INFO [stderr]     |
Dec 05 07:00:45.625 INFO [stderr] 108 |         Ok(x) => bytes, 
Dec 05 07:00:45.626 INFO [stderr]     |            ^ help: consider using `_x` instead
Dec 05 07:00:45.626 INFO [stderr] 
Dec 05 07:00:45.664 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
Dec 05 07:00:45.691 INFO [stderr] su: No module specific data is present
Dec 05 07:00:46.208 INFO running `"docker" "inspect" "ac88e8d4740159e2771663c154cb6f90bafbfa28e76cd07a3e0556d6cefa623e"`
Dec 05 07:00:46.374 INFO running `"docker" "rm" "-f" "ac88e8d4740159e2771663c154cb6f90bafbfa28e76cd07a3e0556d6cefa623e"`
Dec 05 07:00:46.510 INFO [stdout] ac88e8d4740159e2771663c154cb6f90bafbfa28e76cd07a3e0556d6cefa623e