Dec 11 10:06:40.233 INFO checking sbalaji1996/tokenizer against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 10:06:40.233 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 10:06:40.893 INFO [stdout] 213b017b584722c73015fa72100206e704e67641aa65d11616b4bf52fd6555d7
Dec 11 10:06:40.895 INFO running `"docker" "start" "-a" "213b017b584722c73015fa72100206e704e67641aa65d11616b4bf52fd6555d7"`
Dec 11 10:06:42.772 INFO [stderr] usermod: no changes
Dec 11 10:06:42.913 INFO [stderr]     Checking itoa v0.3.3
Dec 11 10:06:42.913 INFO [stderr]     Checking serde v1.0.14
Dec 11 10:06:42.921 INFO [stderr]     Checking term_size v0.3.0
Dec 11 10:06:42.921 INFO [stderr]     Checking atty v0.2.2
Dec 11 10:06:42.928 INFO [stderr]    Compiling serde_derive v1.0.14
Dec 11 10:06:43.873 INFO [stderr]     Checking textwrap v0.7.0
Dec 11 10:06:45.154 INFO [stderr]     Checking clap v2.26.0
Dec 11 10:07:03.904 INFO [stderr]     Checking serde_json v1.0.3
Dec 11 10:07:06.066 INFO [stderr]     Checking tokenizer v0.1.0 (/source)
Dec 11 10:07:06.717 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 11 10:07:06.718 INFO [stderr]   --> src/main.rs:12:5
Dec 11 10:07:06.718 INFO [stderr]    |
Dec 11 10:07:06.718 INFO [stderr] 12 | use std::io::BufReader;
Dec 11 10:07:06.718 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 10:07:06.719 INFO [stderr]    |
Dec 11 10:07:06.719 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 10:07:06.719 INFO [stderr] 
Dec 11 10:07:06.908 INFO [stderr] warning: unused import: `std::io::BufReader`
Dec 11 10:07:06.908 INFO [stderr]   --> src/main.rs:12:5
Dec 11 10:07:06.908 INFO [stderr]    |
Dec 11 10:07:06.908 INFO [stderr] 12 | use std::io::BufReader;
Dec 11 10:07:06.908 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^
Dec 11 10:07:06.908 INFO [stderr]    |
Dec 11 10:07:06.908 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 10:07:06.908 INFO [stderr] 
Dec 11 10:07:07.096 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:07:07.097 INFO [stderr]   --> src/main.rs:34:5
Dec 11 10:07:07.097 INFO [stderr]    |
Dec 11 10:07:07.097 INFO [stderr] 34 |     tokenize(contents);
Dec 11 10:07:07.097 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:07.097 INFO [stderr]    |
Dec 11 10:07:07.097 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 10:07:07.097 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:07:07.097 INFO [stderr] 
Dec 11 10:07:07.208 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 10:07:07.208 INFO [stderr]   --> src/main.rs:34:5
Dec 11 10:07:07.208 INFO [stderr]    |
Dec 11 10:07:07.208 INFO [stderr] 34 |     tokenize(contents);
Dec 11 10:07:07.208 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Dec 11 10:07:07.208 INFO [stderr]    |
Dec 11 10:07:07.208 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 11 10:07:07.208 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 10:07:07.208 INFO [stderr] 
Dec 11 10:07:07.256 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.46s
Dec 11 10:07:07.258 INFO [stderr] su: No module specific data is present
Dec 11 10:07:08.296 INFO running `"docker" "inspect" "213b017b584722c73015fa72100206e704e67641aa65d11616b4bf52fd6555d7"`
Dec 11 10:07:08.572 INFO running `"docker" "rm" "-f" "213b017b584722c73015fa72100206e704e67641aa65d11616b4bf52fd6555d7"`
Dec 11 10:07:08.950 INFO [stdout] 213b017b584722c73015fa72100206e704e67641aa65d11616b4bf52fd6555d7