Dec 04 10:45:57.212 INFO checking sbalaji1996/tokenizer against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 10:45:57.212 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 10:45:57.780 INFO [stdout] e070b40bc0d73f7991a7b62c7d266ba7975e52b6611f5967d784664edf299505
Dec 04 10:45:57.782 INFO running `"docker" "start" "-a" "e070b40bc0d73f7991a7b62c7d266ba7975e52b6611f5967d784664edf299505"`
Dec 04 10:46:00.248 INFO [stderr] usermod: no changes
Dec 04 10:46:00.411 INFO [stderr]     Checking itoa v0.3.3
Dec 04 10:46:00.411 INFO [stderr]     Checking serde v1.0.14
Dec 04 10:46:00.411 INFO [stderr]     Checking textwrap v0.7.0
Dec 04 10:46:00.411 INFO [stderr]    Compiling serde_derive v1.0.14
Dec 04 10:46:01.343 INFO [stderr]     Checking clap v2.26.0
Dec 04 10:46:20.585 INFO [stderr]     Checking serde_json v1.0.3
Dec 04 10:46:22.652 INFO [stderr]     Checking tokenizer v0.1.0 (/source)
Dec 04 10:46:23.293 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 04 10:46:23.293 INFO [stderr]   --> src/main.rs:12:5
Dec 04 10:46:23.293 INFO [stderr]    |
Dec 04 10:46:23.294 INFO [stderr] 12 | use std::io::BufReader;
Dec 04 10:46:23.294 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 10:46:23.294 INFO [stderr]    |
Dec 04 10:46:23.295 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 10:46:23.295 INFO [stderr] 
Dec 04 10:46:23.431 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 04 10:46:23.431 INFO [stderr]   --> src/main.rs:12:5
Dec 04 10:46:23.431 INFO [stderr]    |
Dec 04 10:46:23.431 INFO [stderr] 12 | use std::io::BufReader;
Dec 04 10:46:23.431 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 04 10:46:23.431 INFO [stderr]    |
Dec 04 10:46:23.431 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 10:46:23.431 INFO [stderr] 
Dec 04 10:46:23.551 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:46:23.551 INFO [stderr]   --> src/main.rs:34:5
Dec 04 10:46:23.551 INFO [stderr]    |
Dec 04 10:46:23.551 INFO [stderr] 34 |     tokenize(contents);
Dec 04 10:46:23.551 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 10:46:23.551 INFO [stderr]    |
Dec 04 10:46:23.551 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 10:46:23.551 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:46:23.551 INFO [stderr] 
Dec 04 10:46:23.694 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 10:46:23.694 INFO [stderr]   --> src/main.rs:34:5
Dec 04 10:46:23.695 INFO [stderr]    |
Dec 04 10:46:23.695 INFO [stderr] 34 |     tokenize(contents);
Dec 04 10:46:23.695 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 04 10:46:23.695 INFO [stderr]    |
Dec 04 10:46:23.695 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 10:46:23.695 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 10:46:23.695 INFO [stderr] 
Dec 04 10:46:23.755 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.47s
Dec 04 10:46:23.760 INFO [stderr] su: No module specific data is present
Dec 04 10:46:25.383 INFO running `"docker" "inspect" "e070b40bc0d73f7991a7b62c7d266ba7975e52b6611f5967d784664edf299505"`
Dec 04 10:46:25.737 INFO running `"docker" "rm" "-f" "e070b40bc0d73f7991a7b62c7d266ba7975e52b6611f5967d784664edf299505"`
Dec 04 10:46:26.220 INFO [stdout] e070b40bc0d73f7991a7b62c7d266ba7975e52b6611f5967d784664edf299505