Dec 04 09:07:42.123 INFO checking sylints/rust-minigrep against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 09:07:42.124 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 04 09:07:42.652 INFO [stdout] 0d21238b12f7b98f394e7908fe9b355cf30d5d11b475d7283233736930cb1925
Dec 04 09:07:42.655 INFO running `"docker" "start" "-a" "0d21238b12f7b98f394e7908fe9b355cf30d5d11b475d7283233736930cb1925"`
Dec 04 09:07:44.138 INFO [stderr] usermod: no changes
Dec 04 09:07:44.191 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Dec 04 09:07:44.395 INFO [stderr] warning: unused import: `std::fs`
Dec 04 09:07:44.395 INFO [stderr]  --> src/main.rs:2:5
Dec 04 09:07:44.395 INFO [stderr]   |
Dec 04 09:07:44.395 INFO [stderr] 2 | use std::fs;
Dec 04 09:07:44.395 INFO [stderr]   |     ^^^^^^^
Dec 04 09:07:44.395 INFO [stderr]   |
Dec 04 09:07:44.395 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 09:07:44.395 INFO [stderr] 
Dec 04 09:07:44.395 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 09:07:44.395 INFO [stderr]  --> src/main.rs:3:5
Dec 04 09:07:44.395 INFO [stderr]   |
Dec 04 09:07:44.395 INFO [stderr] 3 | use std::io::prelude::*;
Dec 04 09:07:44.395 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 09:07:44.395 INFO [stderr] 
Dec 04 09:07:44.411 INFO [stderr] warning: unused variable: `config`
Dec 04 09:07:44.411 INFO [stderr]  --> src/main.rs:8:9
Dec 04 09:07:44.411 INFO [stderr]   |
Dec 04 09:07:44.411 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 04 09:07:44.411 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 04 09:07:44.411 INFO [stderr]   |
Dec 04 09:07:44.411 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 09:07:44.411 INFO [stderr] 
Dec 04 09:07:44.412 INFO [stderr] warning: field is never used: `query`
Dec 04 09:07:44.412 INFO [stderr]   --> src/main.rs:15:5
Dec 04 09:07:44.412 INFO [stderr]    |
Dec 04 09:07:44.412 INFO [stderr] 15 |     query: String,
Dec 04 09:07:44.412 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 09:07:44.412 INFO [stderr]    |
Dec 04 09:07:44.412 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 09:07:44.412 INFO [stderr] 
Dec 04 09:07:44.412 INFO [stderr] warning: field is never used: `filename`
Dec 04 09:07:44.412 INFO [stderr]   --> src/main.rs:16:5
Dec 04 09:07:44.412 INFO [stderr]    |
Dec 04 09:07:44.412 INFO [stderr] 16 |     filename: String,
Dec 04 09:07:44.412 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 09:07:44.412 INFO [stderr] 
Dec 04 09:07:44.543 INFO [stderr] warning: unused import: `std::fs`
Dec 04 09:07:44.543 INFO [stderr]  --> src/main.rs:2:5
Dec 04 09:07:44.543 INFO [stderr]   |
Dec 04 09:07:44.543 INFO [stderr] 2 | use std::fs;
Dec 04 09:07:44.543 INFO [stderr]   |     ^^^^^^^
Dec 04 09:07:44.543 INFO [stderr]   |
Dec 04 09:07:44.543 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 04 09:07:44.543 INFO [stderr] 
Dec 04 09:07:44.543 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 04 09:07:44.543 INFO [stderr]  --> src/main.rs:3:5
Dec 04 09:07:44.543 INFO [stderr]   |
Dec 04 09:07:44.543 INFO [stderr] 3 | use std::io::prelude::*;
Dec 04 09:07:44.543 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 04 09:07:44.543 INFO [stderr] 
Dec 04 09:07:44.603 INFO [stderr] warning: unused variable: `config`
Dec 04 09:07:44.603 INFO [stderr]  --> src/main.rs:8:9
Dec 04 09:07:44.603 INFO [stderr]   |
Dec 04 09:07:44.603 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 04 09:07:44.603 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 04 09:07:44.603 INFO [stderr]   |
Dec 04 09:07:44.603 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 04 09:07:44.603 INFO [stderr] 
Dec 04 09:07:44.611 INFO [stderr] warning: field is never used: `query`
Dec 04 09:07:44.611 INFO [stderr]   --> src/main.rs:15:5
Dec 04 09:07:44.611 INFO [stderr]    |
Dec 04 09:07:44.611 INFO [stderr] 15 |     query: String,
Dec 04 09:07:44.611 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 04 09:07:44.611 INFO [stderr]    |
Dec 04 09:07:44.611 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 04 09:07:44.611 INFO [stderr] 
Dec 04 09:07:44.611 INFO [stderr] warning: field is never used: `filename`
Dec 04 09:07:44.611 INFO [stderr]   --> src/main.rs:16:5
Dec 04 09:07:44.611 INFO [stderr]    |
Dec 04 09:07:44.611 INFO [stderr] 16 |     filename: String,
Dec 04 09:07:44.611 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 04 09:07:44.611 INFO [stderr] 
Dec 04 09:07:44.646 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
Dec 04 09:07:44.651 INFO [stderr] su: No module specific data is present
Dec 04 09:07:45.364 INFO running `"docker" "inspect" "0d21238b12f7b98f394e7908fe9b355cf30d5d11b475d7283233736930cb1925"`
Dec 04 09:07:45.791 INFO running `"docker" "rm" "-f" "0d21238b12f7b98f394e7908fe9b355cf30d5d11b475d7283233736930cb1925"`
Dec 04 09:07:46.191 INFO [stdout] 0d21238b12f7b98f394e7908fe9b355cf30d5d11b475d7283233736930cb1925