Dec 19 07:42:33.456 INFO checking sylints/rust-minigrep against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:42:33.457 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-0/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/sylints/rust-minigrep:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:42:33.854 INFO [stdout] 56b7eb68f8a6058c3dabbeaebbc50136b56e17472895cd98b9490e2e3ca3953c
Dec 19 07:42:33.858 INFO running `"docker" "start" "-a" "56b7eb68f8a6058c3dabbeaebbc50136b56e17472895cd98b9490e2e3ca3953c"`
Dec 19 07:42:35.384 INFO [stderr]     Checking minigrep v0.1.0 (/opt/crater/workdir)
Dec 19 07:42:35.636 INFO [stderr] warning: unused import: `std::fs`
Dec 19 07:42:35.636 INFO [stderr]  --> src/main.rs:2:5
Dec 19 07:42:35.636 INFO [stderr]   |
Dec 19 07:42:35.636 INFO [stderr] 2 | use std::fs;
Dec 19 07:42:35.636 INFO [stderr]   |     ^^^^^^^
Dec 19 07:42:35.636 INFO [stderr]   |
Dec 19 07:42:35.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:42:35.636 INFO [stderr] 
Dec 19 07:42:35.636 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 07:42:35.636 INFO [stderr]  --> src/main.rs:3:5
Dec 19 07:42:35.636 INFO [stderr]   |
Dec 19 07:42:35.636 INFO [stderr] 3 | use std::io::prelude::*;
Dec 19 07:42:35.636 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 07:42:35.636 INFO [stderr] 
Dec 19 07:42:35.636 INFO [stderr] warning: unused import: `std::fs`
Dec 19 07:42:35.636 INFO [stderr]  --> src/main.rs:2:5
Dec 19 07:42:35.636 INFO [stderr]   |
Dec 19 07:42:35.636 INFO [stderr] 2 | use std::fs;
Dec 19 07:42:35.636 INFO [stderr]   |     ^^^^^^^
Dec 19 07:42:35.636 INFO [stderr]   |
Dec 19 07:42:35.636 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 07:42:35.636 INFO [stderr] 
Dec 19 07:42:35.636 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 19 07:42:35.636 INFO [stderr]  --> src/main.rs:3:5
Dec 19 07:42:35.636 INFO [stderr]   |
Dec 19 07:42:35.636 INFO [stderr] 3 | use std::io::prelude::*;
Dec 19 07:42:35.636 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 19 07:42:35.636 INFO [stderr] 
Dec 19 07:42:35.656 INFO [stderr] warning: unused variable: `config`
Dec 19 07:42:35.656 INFO [stderr]  --> src/main.rs:8:9
Dec 19 07:42:35.656 INFO [stderr]   |
Dec 19 07:42:35.656 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 19 07:42:35.656 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 19 07:42:35.656 INFO [stderr]   |
Dec 19 07:42:35.656 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 07:42:35.656 INFO [stderr] 
Dec 19 07:42:35.660 INFO [stderr] warning: field is never used: `query`
Dec 19 07:42:35.660 INFO [stderr]   --> src/main.rs:15:5
Dec 19 07:42:35.660 INFO [stderr]    |
Dec 19 07:42:35.660 INFO [stderr] 15 |     query: String,
Dec 19 07:42:35.660 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 07:42:35.660 INFO [stderr]    |
Dec 19 07:42:35.660 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:42:35.660 INFO [stderr] 
Dec 19 07:42:35.660 INFO [stderr] warning: field is never used: `filename`
Dec 19 07:42:35.660 INFO [stderr]   --> src/main.rs:16:5
Dec 19 07:42:35.660 INFO [stderr]    |
Dec 19 07:42:35.660 INFO [stderr] 16 |     filename: String,
Dec 19 07:42:35.660 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 07:42:35.660 INFO [stderr] 
Dec 19 07:42:35.692 INFO [stderr] warning: unused variable: `config`
Dec 19 07:42:35.692 INFO [stderr]  --> src/main.rs:8:9
Dec 19 07:42:35.692 INFO [stderr]   |
Dec 19 07:42:35.692 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 19 07:42:35.692 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 19 07:42:35.692 INFO [stderr]   |
Dec 19 07:42:35.692 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 19 07:42:35.692 INFO [stderr] 
Dec 19 07:42:35.705 INFO [stderr] warning: field is never used: `query`
Dec 19 07:42:35.705 INFO [stderr]   --> src/main.rs:15:5
Dec 19 07:42:35.705 INFO [stderr]    |
Dec 19 07:42:35.705 INFO [stderr] 15 |     query: String,
Dec 19 07:42:35.705 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 19 07:42:35.705 INFO [stderr]    |
Dec 19 07:42:35.705 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:42:35.705 INFO [stderr] 
Dec 19 07:42:35.705 INFO [stderr] warning: field is never used: `filename`
Dec 19 07:42:35.705 INFO [stderr]   --> src/main.rs:16:5
Dec 19 07:42:35.705 INFO [stderr]    |
Dec 19 07:42:35.705 INFO [stderr] 16 |     filename: String,
Dec 19 07:42:35.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 19 07:42:35.705 INFO [stderr] 
Dec 19 07:42:35.739 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Dec 19 07:42:36.672 INFO running `"docker" "inspect" "56b7eb68f8a6058c3dabbeaebbc50136b56e17472895cd98b9490e2e3ca3953c"`
Dec 19 07:42:36.914 INFO running `"docker" "rm" "-f" "56b7eb68f8a6058c3dabbeaebbc50136b56e17472895cd98b9490e2e3ca3953c"`
Dec 19 07:42:37.316 INFO [stdout] 56b7eb68f8a6058c3dabbeaebbc50136b56e17472895cd98b9490e2e3ca3953c