Dec 11 08:22:48.898 INFO checking sylints/rust-minigrep against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:22:48.898 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 08:22:49.410 INFO [stdout] 2045d0b89ba3f4b41d53bb149576c5bcfe5ae6d40a3a83ded73b46154d12e709
Dec 11 08:22:49.412 INFO running `"docker" "start" "-a" "2045d0b89ba3f4b41d53bb149576c5bcfe5ae6d40a3a83ded73b46154d12e709"`
Dec 11 08:22:51.022 INFO [stderr] usermod: no changes
Dec 11 08:22:51.077 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Dec 11 08:22:51.424 INFO [stderr] warning: unused import: `std::fs`
Dec 11 08:22:51.424 INFO [stderr]  --> src/main.rs:2:5
Dec 11 08:22:51.424 INFO [stderr]   |
Dec 11 08:22:51.424 INFO [stderr] 2 | use std::fs;
Dec 11 08:22:51.424 INFO [stderr]   |     ^^^^^^^
Dec 11 08:22:51.424 INFO [stderr]   |
Dec 11 08:22:51.424 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 08:22:51.424 INFO [stderr] 
Dec 11 08:22:51.424 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 08:22:51.424 INFO [stderr]  --> src/main.rs:3:5
Dec 11 08:22:51.424 INFO [stderr]   |
Dec 11 08:22:51.424 INFO [stderr] 3 | use std::io::prelude::*;
Dec 11 08:22:51.425 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 08:22:51.425 INFO [stderr] 
Dec 11 08:22:51.457 INFO [stderr] warning: unused import: `std::fs`
Dec 11 08:22:51.457 INFO [stderr]  --> src/main.rs:2:5
Dec 11 08:22:51.457 INFO [stderr]   |
Dec 11 08:22:51.457 INFO [stderr] 2 | use std::fs;
Dec 11 08:22:51.457 INFO [stderr]   |     ^^^^^^^
Dec 11 08:22:51.457 INFO [stderr]   |
Dec 11 08:22:51.457 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 08:22:51.457 INFO [stderr] 
Dec 11 08:22:51.457 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 08:22:51.457 INFO [stderr]  --> src/main.rs:3:5
Dec 11 08:22:51.457 INFO [stderr]   |
Dec 11 08:22:51.457 INFO [stderr] 3 | use std::io::prelude::*;
Dec 11 08:22:51.457 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 08:22:51.457 INFO [stderr] 
Dec 11 08:22:51.474 INFO [stderr] warning: unused variable: `config`
Dec 11 08:22:51.474 INFO [stderr]  --> src/main.rs:8:9
Dec 11 08:22:51.475 INFO [stderr]   |
Dec 11 08:22:51.475 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 11 08:22:51.475 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 11 08:22:51.475 INFO [stderr]   |
Dec 11 08:22:51.475 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 08:22:51.475 INFO [stderr] 
Dec 11 08:22:51.476 INFO [stderr] warning: unused variable: `config`
Dec 11 08:22:51.476 INFO [stderr]  --> src/main.rs:8:9
Dec 11 08:22:51.476 INFO [stderr]   |
Dec 11 08:22:51.476 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 11 08:22:51.476 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 11 08:22:51.476 INFO [stderr]   |
Dec 11 08:22:51.476 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 08:22:51.476 INFO [stderr] 
Dec 11 08:22:51.479 INFO [stderr] warning: field is never used: `query`
Dec 11 08:22:51.479 INFO [stderr]   --> src/main.rs:15:5
Dec 11 08:22:51.479 INFO [stderr]    |
Dec 11 08:22:51.479 INFO [stderr] 15 |     query: String,
Dec 11 08:22:51.479 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 08:22:51.479 INFO [stderr]    |
Dec 11 08:22:51.479 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:22:51.479 INFO [stderr] 
Dec 11 08:22:51.479 INFO [stderr] warning: field is never used: `filename`
Dec 11 08:22:51.479 INFO [stderr]   --> src/main.rs:16:5
Dec 11 08:22:51.479 INFO [stderr]    |
Dec 11 08:22:51.479 INFO [stderr] 16 |     filename: String,
Dec 11 08:22:51.479 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 11 08:22:51.479 INFO [stderr] 
Dec 11 08:22:51.480 INFO [stderr] warning: field is never used: `query`
Dec 11 08:22:51.480 INFO [stderr]   --> src/main.rs:15:5
Dec 11 08:22:51.480 INFO [stderr]    |
Dec 11 08:22:51.480 INFO [stderr] 15 |     query: String,
Dec 11 08:22:51.480 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 08:22:51.480 INFO [stderr]    |
Dec 11 08:22:51.480 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:22:51.480 INFO [stderr] 
Dec 11 08:22:51.480 INFO [stderr] warning: field is never used: `filename`
Dec 11 08:22:51.480 INFO [stderr]   --> src/main.rs:16:5
Dec 11 08:22:51.480 INFO [stderr]    |
Dec 11 08:22:51.480 INFO [stderr] 16 |     filename: String,
Dec 11 08:22:51.480 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 11 08:22:51.480 INFO [stderr] 
Dec 11 08:22:51.498 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.45s
Dec 11 08:22:51.500 INFO [stderr] su: No module specific data is present
Dec 11 08:22:52.294 INFO running `"docker" "inspect" "2045d0b89ba3f4b41d53bb149576c5bcfe5ae6d40a3a83ded73b46154d12e709"`
Dec 11 08:22:52.592 INFO running `"docker" "rm" "-f" "2045d0b89ba3f4b41d53bb149576c5bcfe5ae6d40a3a83ded73b46154d12e709"`
Dec 11 08:22:52.876 INFO [stdout] 2045d0b89ba3f4b41d53bb149576c5bcfe5ae6d40a3a83ded73b46154d12e709