Dec 12 17:22:01.250 INFO checking bus_writer-0.1.2 against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 17:22:01.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-0/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 17:22:01.652 INFO [stdout] 8d4491637a711f3e9d3d143ba0f40e8b1170a2e3368184e2aecbac4a15bcf7d8
Dec 12 17:22:01.654 INFO running `"docker" "start" "-a" "8d4491637a711f3e9d3d143ba0f40e8b1170a2e3368184e2aecbac4a15bcf7d8"`
Dec 12 17:22:03.372 INFO [stderr] usermod: no changes
Dec 12 17:22:03.440 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 12 17:22:03.548 INFO [stderr]     Checking bus v2.0.1
Dec 12 17:22:05.425 INFO [stderr]     Checking bus_writer v0.1.2 (/source)
Dec 12 17:22:10.112 INFO [stderr] warning: unused import: `BufReader`
Dec 12 17:22:10.112 INFO [stderr]  --> examples/simple.rs:4:15
Dec 12 17:22:10.112 INFO [stderr]   |
Dec 12 17:22:10.112 INFO [stderr] 4 | use std::io::{BufReader, Cursor, Read};
Dec 12 17:22:10.112 INFO [stderr]   |               ^^^^^^^^^
Dec 12 17:22:10.112 INFO [stderr]   |
Dec 12 17:22:10.112 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 17:22:10.112 INFO [stderr] 
Dec 12 17:22:10.112 INFO [stderr] warning: unused import: `File`
Dec 12 17:22:10.112 INFO [stderr]  --> examples/simple.rs:5:21
Dec 12 17:22:10.112 INFO [stderr]   |
Dec 12 17:22:10.112 INFO [stderr] 5 | use std::fs::{self, File};
Dec 12 17:22:10.112 INFO [stderr]   |                     ^^^^
Dec 12 17:22:10.112 INFO [stderr] 
Dec 12 17:22:10.176 INFO [stderr] warning: unused import: `Read`
Dec 12 17:22:10.176 INFO [stderr]  --> examples/simple.rs:4:34
Dec 12 17:22:10.176 INFO [stderr]   |
Dec 12 17:22:10.176 INFO [stderr] 4 | use std::io::{BufReader, Cursor, Read};
Dec 12 17:22:10.176 INFO [stderr]   |                                  ^^^^
Dec 12 17:22:10.176 INFO [stderr] 
Dec 12 17:22:10.330 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.92s
Dec 12 17:22:10.333 INFO [stderr] su: No module specific data is present
Dec 12 17:22:10.590 INFO running `"docker" "inspect" "8d4491637a711f3e9d3d143ba0f40e8b1170a2e3368184e2aecbac4a15bcf7d8"`
Dec 12 17:22:10.745 INFO running `"docker" "rm" "-f" "8d4491637a711f3e9d3d143ba0f40e8b1170a2e3368184e2aecbac4a15bcf7d8"`
Dec 12 17:22:10.936 INFO [stdout] 8d4491637a711f3e9d3d143ba0f40e8b1170a2e3368184e2aecbac4a15bcf7d8