Dec 11 08:22:46.958 INFO checking sylints/rust-minigrep against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 08:22:46.958 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 11 08:22:47.514 INFO [stdout] 26665b6d690d991d70c5df2ca16a2d45bd4ea361e4eb96ce4179bc0b824fd345
Dec 11 08:22:47.516 INFO running `"docker" "start" "-a" "26665b6d690d991d70c5df2ca16a2d45bd4ea361e4eb96ce4179bc0b824fd345"`
Dec 11 08:22:49.266 INFO [stderr] usermod: no changes
Dec 11 08:22:49.368 INFO [stderr]     Checking minigrep v0.1.0 (/source)
Dec 11 08:22:49.740 INFO [stderr] warning: unused import: `std::fs`
Dec 11 08:22:49.740 INFO [stderr]  --> src/main.rs:2:5
Dec 11 08:22:49.740 INFO [stderr]   |
Dec 11 08:22:49.740 INFO [stderr] 2 | use std::fs;
Dec 11 08:22:49.740 INFO [stderr]   |     ^^^^^^^
Dec 11 08:22:49.740 INFO [stderr]   |
Dec 11 08:22:49.740 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 08:22:49.740 INFO [stderr] 
Dec 11 08:22:49.740 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 08:22:49.740 INFO [stderr]  --> src/main.rs:3:5
Dec 11 08:22:49.740 INFO [stderr]   |
Dec 11 08:22:49.740 INFO [stderr] 3 | use std::io::prelude::*;
Dec 11 08:22:49.740 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 08:22:49.740 INFO [stderr] 
Dec 11 08:22:49.746 INFO [stderr] warning: unused import: `std::fs`
Dec 11 08:22:49.746 INFO [stderr]  --> src/main.rs:2:5
Dec 11 08:22:49.746 INFO [stderr]   |
Dec 11 08:22:49.746 INFO [stderr] 2 | use std::fs;
Dec 11 08:22:49.746 INFO [stderr]   |     ^^^^^^^
Dec 11 08:22:49.746 INFO [stderr]   |
Dec 11 08:22:49.746 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 08:22:49.746 INFO [stderr] 
Dec 11 08:22:49.746 INFO [stderr] warning: unused import: `std::io::prelude::*`
Dec 11 08:22:49.746 INFO [stderr]  --> src/main.rs:3:5
Dec 11 08:22:49.746 INFO [stderr]   |
Dec 11 08:22:49.746 INFO [stderr] 3 | use std::io::prelude::*;
Dec 11 08:22:49.746 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 11 08:22:49.746 INFO [stderr] 
Dec 11 08:22:49.795 INFO [stderr] warning: unused variable: `config`
Dec 11 08:22:49.796 INFO [stderr]  --> src/main.rs:8:9
Dec 11 08:22:49.796 INFO [stderr]   |
Dec 11 08:22:49.796 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 11 08:22:49.796 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 11 08:22:49.796 INFO [stderr]   |
Dec 11 08:22:49.796 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 08:22:49.796 INFO [stderr] 
Dec 11 08:22:49.803 INFO [stderr] warning: unused variable: `config`
Dec 11 08:22:49.803 INFO [stderr]  --> src/main.rs:8:9
Dec 11 08:22:49.803 INFO [stderr]   |
Dec 11 08:22:49.803 INFO [stderr] 8 |     let config = Config::new(&args).unwrap_or_else(|err| {
Dec 11 08:22:49.803 INFO [stderr]   |         ^^^^^^ help: consider using `_config` instead
Dec 11 08:22:49.803 INFO [stderr]   |
Dec 11 08:22:49.803 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 11 08:22:49.803 INFO [stderr] 
Dec 11 08:22:49.805 INFO [stderr] warning: field is never used: `query`
Dec 11 08:22:49.805 INFO [stderr]   --> src/main.rs:15:5
Dec 11 08:22:49.805 INFO [stderr]    |
Dec 11 08:22:49.805 INFO [stderr] 15 |     query: String,
Dec 11 08:22:49.805 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 08:22:49.805 INFO [stderr]    |
Dec 11 08:22:49.806 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:22:49.806 INFO [stderr] 
Dec 11 08:22:49.806 INFO [stderr] warning: field is never used: `filename`
Dec 11 08:22:49.806 INFO [stderr]   --> src/main.rs:16:5
Dec 11 08:22:49.806 INFO [stderr]    |
Dec 11 08:22:49.806 INFO [stderr] 16 |     filename: String,
Dec 11 08:22:49.806 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 11 08:22:49.812 INFO [stderr] 
Dec 11 08:22:49.812 INFO [stderr] warning: field is never used: `query`
Dec 11 08:22:49.812 INFO [stderr]   --> src/main.rs:15:5
Dec 11 08:22:49.812 INFO [stderr]    |
Dec 11 08:22:49.812 INFO [stderr] 15 |     query: String,
Dec 11 08:22:49.812 INFO [stderr]    |     ^^^^^^^^^^^^^
Dec 11 08:22:49.812 INFO [stderr]    |
Dec 11 08:22:49.812 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 11 08:22:49.813 INFO [stderr] 
Dec 11 08:22:49.813 INFO [stderr] warning: field is never used: `filename`
Dec 11 08:22:49.813 INFO [stderr]   --> src/main.rs:16:5
Dec 11 08:22:49.813 INFO [stderr]    |
Dec 11 08:22:49.813 INFO [stderr] 16 |     filename: String,
Dec 11 08:22:49.813 INFO [stderr]    |     ^^^^^^^^^^^^^^^^
Dec 11 08:22:49.813 INFO [stderr] 
Dec 11 08:22:49.840 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
Dec 11 08:22:49.840 INFO [stderr] su: No module specific data is present
Dec 11 08:22:50.772 INFO running `"docker" "inspect" "26665b6d690d991d70c5df2ca16a2d45bd4ea361e4eb96ce4179bc0b824fd345"`
Dec 11 08:22:51.148 INFO running `"docker" "rm" "-f" "26665b6d690d991d70c5df2ca16a2d45bd4ea361e4eb96ce4179bc0b824fd345"`
Dec 11 08:22:51.464 INFO [stdout] 26665b6d690d991d70c5df2ca16a2d45bd4ea361e4eb96ce4179bc0b824fd345