Dec 12 17:21:59.369 INFO checking bus_writer-0.1.2 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 17:21:59.369 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 12 17:21:59.777 INFO [stdout] fb72d67ddb39d016dc0d5fe9f8f272ceb98ea815cb4f9c61f61c83d05e48c9db
Dec 12 17:21:59.779 INFO running `"docker" "start" "-a" "fb72d67ddb39d016dc0d5fe9f8f272ceb98ea815cb4f9c61f61c83d05e48c9db"`
Dec 12 17:22:01.012 INFO [stderr] usermod: no changes
Dec 12 17:22:01.040 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 12 17:22:01.104 INFO [stderr]     Checking bus v2.0.1
Dec 12 17:22:02.660 INFO [stderr]     Checking bus_writer v0.1.2 (/source)
Dec 12 17:22:08.376 INFO [stderr] warning: unused import: `BufReader`
Dec 12 17:22:08.376 INFO [stderr]  --> examples/simple.rs:4:15
Dec 12 17:22:08.376 INFO [stderr]   |
Dec 12 17:22:08.376 INFO [stderr] 4 | use std::io::{BufReader, Cursor, Read};
Dec 12 17:22:08.376 INFO [stderr]   |               ^^^^^^^^^
Dec 12 17:22:08.376 INFO [stderr]   |
Dec 12 17:22:08.376 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:22:08.376 INFO [stderr] 
Dec 12 17:22:08.376 INFO [stderr] warning: unused import: `File`
Dec 12 17:22:08.376 INFO [stderr]  --> examples/simple.rs:5:21
Dec 12 17:22:08.376 INFO [stderr]   |
Dec 12 17:22:08.376 INFO [stderr] 5 | use std::fs::{self, File};
Dec 12 17:22:08.376 INFO [stderr]   |                     ^^^^
Dec 12 17:22:08.376 INFO [stderr] 
Dec 12 17:22:08.438 INFO [stderr] warning: unused import: `Read`
Dec 12 17:22:08.438 INFO [stderr]  --> examples/simple.rs:4:34
Dec 12 17:22:08.438 INFO [stderr]   |
Dec 12 17:22:08.438 INFO [stderr] 4 | use std::io::{BufReader, Cursor, Read};
Dec 12 17:22:08.438 INFO [stderr]   |                                  ^^^^
Dec 12 17:22:08.438 INFO [stderr] 
Dec 12 17:22:08.944 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.91s
Dec 12 17:22:08.948 INFO [stderr] su: No module specific data is present
Dec 12 17:22:09.336 INFO running `"docker" "inspect" "fb72d67ddb39d016dc0d5fe9f8f272ceb98ea815cb4f9c61f61c83d05e48c9db"`
Dec 12 17:22:09.514 INFO running `"docker" "rm" "-f" "fb72d67ddb39d016dc0d5fe9f8f272ceb98ea815cb4f9c61f61c83d05e48c9db"`
Dec 12 17:22:09.697 INFO [stdout] fb72d67ddb39d016dc0d5fe9f8f272ceb98ea815cb4f9c61f61c83d05e48c9db