Oct 13 17:27:56.329 INFO checking bus_writer-0.1.2 against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 13 17:27:56.329 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/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 17:27:56.795 INFO blam! b7722887d66ac8f4abc56f21a1504481e9fed42fb6e478ce76440bf27b007a48
Oct 13 17:27:56.800 INFO running `"docker" "start" "-a" "b7722887d66ac8f4abc56f21a1504481e9fed42fb6e478ce76440bf27b007a48"`
Oct 13 17:27:58.620 INFO kablam! usermod: no changes
Oct 13 17:27:58.680 INFO kablam! warning: only one of `license` or `license-file` is necessary
Oct 13 17:27:58.716 INFO kablam!     Checking bus v2.0.0
Oct 13 17:27:59.947 INFO kablam!     Checking bus_writer v0.1.2 (/source)
Oct 13 17:28:04.120 INFO kablam! warning: unused import: `BufReader`
Oct 13 17:28:04.120 INFO kablam!  --> examples/simple.rs:4:15
Oct 13 17:28:04.120 INFO kablam!   |
Oct 13 17:28:04.120 INFO kablam! 4 | use std::io::{BufReader, Cursor, Read};
Oct 13 17:28:04.120 INFO kablam!   |               ^^^^^^^^^
Oct 13 17:28:04.120 INFO kablam!   |
Oct 13 17:28:04.120 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 13 17:28:04.120 INFO kablam! 
Oct 13 17:28:04.120 INFO kablam! warning: unused import: `File`
Oct 13 17:28:04.120 INFO kablam!  --> examples/simple.rs:5:21
Oct 13 17:28:04.120 INFO kablam!   |
Oct 13 17:28:04.120 INFO kablam! 5 | use std::fs::{self, File};
Oct 13 17:28:04.120 INFO kablam!   |                     ^^^^
Oct 13 17:28:04.120 INFO kablam! 
Oct 13 17:28:04.188 INFO kablam! warning: unused import: `Read`
Oct 13 17:28:04.188 INFO kablam!  --> examples/simple.rs:4:34
Oct 13 17:28:04.188 INFO kablam!   |
Oct 13 17:28:04.188 INFO kablam! 4 | use std::io::{BufReader, Cursor, Read};
Oct 13 17:28:04.188 INFO kablam!   |                                  ^^^^
Oct 13 17:28:04.188 INFO kablam! 
Oct 13 17:28:04.217 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
Oct 13 17:28:04.221 INFO kablam! su: No module specific data is present
Oct 13 17:28:04.488 INFO running `"docker" "rm" "-f" "b7722887d66ac8f4abc56f21a1504481e9fed42fb6e478ce76440bf27b007a48"`
Oct 13 17:28:04.578 INFO blam! b7722887d66ac8f4abc56f21a1504481e9fed42fb6e478ce76440bf27b007a48