Dec 04 20:14:16.912 INFO checking darksv/futon against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 20:14:16.912 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 20:14:17.389 INFO [stdout] 060e944359642030a2398e5119f63e677dff62f0dba8092ee96b0d11df813474
Dec 04 20:14:17.391 INFO running `"docker" "start" "-a" "060e944359642030a2398e5119f63e677dff62f0dba8092ee96b0d11df813474"`
Dec 04 20:14:18.427 INFO [stderr] usermod: no changes
Dec 04 20:14:18.468 INFO [stderr]     Checking untitled v0.1.0 (/source)
Dec 04 20:14:19.059 INFO [stderr] warning: unused import: `PunctKind`
Dec 04 20:14:19.059 INFO [stderr]    --> src/lexer.rs:540:87
Dec 04 20:14:19.059 INFO [stderr]     |
Dec 04 20:14:19.059 INFO [stderr] 540 |     use super::{Lexer, LexerError, Token, SourceSpan, TokenType, TokenValue, Keyword, PunctKind};
Dec 04 20:14:19.059 INFO [stderr]     |                                                                                       ^^^^^^^^^
Dec 04 20:14:19.059 INFO [stderr]     |
Dec 04 20:14:19.059 INFO [stderr]     = note: #[warn(unused_imports)] on by default
Dec 04 20:14:19.059 INFO [stderr] 
Dec 04 20:14:19.352 INFO [stderr] warning: method is never used: `from_str`
Dec 04 20:14:19.352 INFO [stderr]    --> src/lexer.rs:235:5
Dec 04 20:14:19.352 INFO [stderr]     |
Dec 04 20:14:19.352 INFO [stderr] 235 |     pub fn from_str(str: &'a str, line: usize, column: usize) -> SourceSpan<'a> {
Dec 04 20:14:19.352 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 20:14:19.352 INFO [stderr]     |
Dec 04 20:14:19.352 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 20:14:19.352 INFO [stderr] 
Dec 04 20:14:19.715 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Dec 04 20:14:19.715 INFO [stderr] su: No module specific data is present
Dec 04 20:14:20.189 INFO running `"docker" "inspect" "060e944359642030a2398e5119f63e677dff62f0dba8092ee96b0d11df813474"`
Dec 04 20:14:20.411 INFO running `"docker" "rm" "-f" "060e944359642030a2398e5119f63e677dff62f0dba8092ee96b0d11df813474"`
Dec 04 20:14:20.614 INFO [stdout] 060e944359642030a2398e5119f63e677dff62f0dba8092ee96b0d11df813474