Dec 05 15:59:39.048 INFO checking bus_writer-0.1.2 against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 15:59:39.048 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 05 15:59:39.490 INFO [stdout] a301435378846b9465119ddfcaadae29c689f4c4292ca7a9de273dbc946ac18c
Dec 05 15:59:39.493 INFO running `"docker" "start" "-a" "a301435378846b9465119ddfcaadae29c689f4c4292ca7a9de273dbc946ac18c"`
Dec 05 15:59:40.845 INFO [stderr] usermod: no changes
Dec 05 15:59:40.907 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 05 15:59:41.006 INFO [stderr]     Checking bus v2.0.1
Dec 05 15:59:42.583 INFO [stderr]     Checking bus_writer v0.1.2 (/source)
Dec 05 15:59:46.171 INFO [stderr] warning: unused import: `BufReader`
Dec 05 15:59:46.171 INFO [stderr]  --> examples/simple.rs:4:15
Dec 05 15:59:46.171 INFO [stderr]   |
Dec 05 15:59:46.171 INFO [stderr] 4 | use std::io::{BufReader, Cursor, Read};
Dec 05 15:59:46.171 INFO [stderr]   |               ^^^^^^^^^
Dec 05 15:59:46.171 INFO [stderr]   |
Dec 05 15:59:46.171 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 15:59:46.172 INFO [stderr] 
Dec 05 15:59:46.172 INFO [stderr] warning: unused import: `File`
Dec 05 15:59:46.172 INFO [stderr]  --> examples/simple.rs:5:21
Dec 05 15:59:46.173 INFO [stderr]   |
Dec 05 15:59:46.173 INFO [stderr] 5 | use std::fs::{self, File};
Dec 05 15:59:46.173 INFO [stderr]   |                     ^^^^
Dec 05 15:59:46.174 INFO [stderr] 
Dec 05 15:59:46.306 INFO [stderr] warning: unused import: `Read`
Dec 05 15:59:46.307 INFO [stderr]  --> examples/simple.rs:4:34
Dec 05 15:59:46.307 INFO [stderr]   |
Dec 05 15:59:46.307 INFO [stderr] 4 | use std::io::{BufReader, Cursor, Read};
Dec 05 15:59:46.307 INFO [stderr]   |                                  ^^^^
Dec 05 15:59:46.315 INFO [stderr] 
Dec 05 15:59:46.699 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.81s
Dec 05 15:59:46.709 INFO [stderr] su: No module specific data is present
Dec 05 15:59:47.122 INFO running `"docker" "inspect" "a301435378846b9465119ddfcaadae29c689f4c4292ca7a9de273dbc946ac18c"`
Dec 05 15:59:47.411 INFO running `"docker" "rm" "-f" "a301435378846b9465119ddfcaadae29c689f4c4292ca7a9de273dbc946ac18c"`
Dec 05 15:59:47.775 INFO [stdout] a301435378846b9465119ddfcaadae29c689f4c4292ca7a9de273dbc946ac18c