Oct 13 04:19:10.449 INFO checking IGI-111/xit against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 04:19:10.449 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-3/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-3/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 13 04:19:10.623 INFO blam! b5d6e3e3ae5dd883e5da6ba4093b282bee469c2edfcbf3e8a81da4ec79cd21e3
Oct 13 04:19:10.625 INFO running `"docker" "start" "-a" "b5d6e3e3ae5dd883e5da6ba4093b282bee469c2edfcbf3e8a81da4ec79cd21e3"`
Oct 13 04:19:11.271 INFO kablam! usermod: no changes
Oct 13 04:19:11.330 INFO kablam!     Checking termion v1.3.0
Oct 13 04:19:11.333 INFO kablam!     Checking serde_json v0.9.10
Oct 13 04:19:14.073 INFO kablam!     Checking xit v0.1.0 (/source)
Oct 13 04:19:15.213 INFO kablam! warning: unused imports: `Duration`, `Instant`
Oct 13 04:19:15.213 INFO kablam!   --> src/main.rs:14:17
Oct 13 04:19:15.213 INFO kablam!    |
Oct 13 04:19:15.213 INFO kablam! 14 | use std::time::{Instant, Duration};
Oct 13 04:19:15.213 INFO kablam!    |                 ^^^^^^^  ^^^^^^^^
Oct 13 04:19:15.213 INFO kablam!    |
Oct 13 04:19:15.213 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 04:19:15.213 INFO kablam! 
Oct 13 04:19:15.213 INFO kablam! warning: unused import: `self`
Oct 13 04:19:15.213 INFO kablam!   --> src/main.rs:15:23
Oct 13 04:19:15.213 INFO kablam!    |
Oct 13 04:19:15.213 INFO kablam! 15 | use std::sync::mpsc::{self, Receiver};
Oct 13 04:19:15.213 INFO kablam!    |                       ^^^^
Oct 13 04:19:15.213 INFO kablam! 
Oct 13 04:19:15.213 INFO kablam! warning: unused import: `Read`
Oct 13 04:19:15.213 INFO kablam!   --> src/main.rs:16:37
Oct 13 04:19:15.213 INFO kablam!    |
Oct 13 04:19:15.213 INFO kablam! 16 | use std::io::{stdin, stdout, Write, Read, BufWriter};
Oct 13 04:19:15.213 INFO kablam!    |                                     ^^^^
Oct 13 04:19:15.213 INFO kablam! 
Oct 13 04:19:15.260 INFO kablam! warning: unused imports: `Duration`, `Instant`
Oct 13 04:19:15.260 INFO kablam!   --> src/main.rs:14:17
Oct 13 04:19:15.260 INFO kablam!    |
Oct 13 04:19:15.260 INFO kablam! 14 | use std::time::{Instant, Duration};
Oct 13 04:19:15.260 INFO kablam!    |                 ^^^^^^^  ^^^^^^^^
Oct 13 04:19:15.260 INFO kablam!    |
Oct 13 04:19:15.260 INFO kablam!    = note: #[warn(unused_imports)] on by default
Oct 13 04:19:15.260 INFO kablam! 
Oct 13 04:19:15.260 INFO kablam! warning: unused import: `self`
Oct 13 04:19:15.260 INFO kablam!   --> src/main.rs:15:23
Oct 13 04:19:15.260 INFO kablam!    |
Oct 13 04:19:15.260 INFO kablam! 15 | use std::sync::mpsc::{self, Receiver};
Oct 13 04:19:15.260 INFO kablam!    |                       ^^^^
Oct 13 04:19:15.260 INFO kablam! 
Oct 13 04:19:15.260 INFO kablam! warning: unused import: `Read`
Oct 13 04:19:15.260 INFO kablam!   --> src/main.rs:16:37
Oct 13 04:19:15.260 INFO kablam!    |
Oct 13 04:19:15.260 INFO kablam! 16 | use std::io::{stdin, stdout, Write, Read, BufWriter};
Oct 13 04:19:15.260 INFO kablam!    |                                     ^^^^
Oct 13 04:19:15.260 INFO kablam! 
Oct 13 04:19:15.551 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 4.24s
Oct 13 04:19:15.557 INFO kablam! su: No module specific data is present
Oct 13 04:19:16.088 INFO running `"docker" "rm" "-f" "b5d6e3e3ae5dd883e5da6ba4093b282bee469c2edfcbf3e8a81da4ec79cd21e3"`
Oct 13 04:19:16.359 INFO blam! b5d6e3e3ae5dd883e5da6ba4093b282bee469c2edfcbf3e8a81da4ec79cd21e3