Dec 05 12:00:47.502 INFO checking huffman-coding-0.1.2 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 12:00:47.502 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 12:00:47.726 INFO [stdout] 1f5d95e8f20b43c761b24db0d6596ca47a3a2688c23d8e2086f8bad0ff79844e
Dec 05 12:00:47.729 INFO running `"docker" "start" "-a" "1f5d95e8f20b43c761b24db0d6596ca47a3a2688c23d8e2086f8bad0ff79844e"`
Dec 05 12:00:48.325 INFO [stderr] usermod: no changes
Dec 05 12:00:48.351 INFO [stderr] warning: An explicit [[bin]] section is specified in Cargo.toml which currently
Dec 05 12:00:48.351 INFO [stderr] disables Cargo from automatically inferring other binary targets.
Dec 05 12:00:48.351 INFO [stderr] This inference behavior will change in the Rust 2018 edition and the following
Dec 05 12:00:48.351 INFO [stderr] files will be included as a binary target:
Dec 05 12:00:48.351 INFO [stderr] 
Dec 05 12:00:48.351 INFO [stderr] * /source/src/bin/util.rs
Dec 05 12:00:48.351 INFO [stderr] 
Dec 05 12:00:48.351 INFO [stderr] This is likely to break cargo build or cargo test as these files may not be
Dec 05 12:00:48.351 INFO [stderr] ready to be compiled as a binary target today. You can future-proof yourself
Dec 05 12:00:48.351 INFO [stderr] and disable this warning by adding `autobins = false` to your [package]
Dec 05 12:00:48.351 INFO [stderr] section. You may also move the files to a location where Cargo would not
Dec 05 12:00:48.351 INFO [stderr] automatically infer them to be a target, such as in subfolders.
Dec 05 12:00:48.351 INFO [stderr] 
Dec 05 12:00:48.351 INFO [stderr] For more information on this warning you can consult
Dec 05 12:00:48.351 INFO [stderr] https://github.com/rust-lang/cargo/issues/5330
Dec 05 12:00:48.372 INFO [stderr]     Checking bitstream-rs v0.1.2
Dec 05 12:00:48.890 INFO [stderr]     Checking huffman-coding v0.1.2 (/source)
Dec 05 12:00:49.395 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 12:00:49.395 INFO [stderr]    --> src/lib.rs:334:12
Dec 05 12:00:49.395 INFO [stderr]     |
Dec 05 12:00:49.395 INFO [stderr] 334 |         Ok((pos))
Dec 05 12:00:49.395 INFO [stderr]     |            ^^^^^ help: remove these parentheses
Dec 05 12:00:49.398 INFO [stderr]     |
Dec 05 12:00:49.398 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 12:00:49.398 INFO [stderr] 
Dec 05 12:00:49.703 INFO [stderr] warning: unnecessary parentheses around function argument
Dec 05 12:00:49.703 INFO [stderr]    --> src/lib.rs:334:12
Dec 05 12:00:49.703 INFO [stderr]     |
Dec 05 12:00:49.703 INFO [stderr] 334 |         Ok((pos))
Dec 05 12:00:49.703 INFO [stderr]     |            ^^^^^ help: remove these parentheses
Dec 05 12:00:49.703 INFO [stderr]     |
Dec 05 12:00:49.703 INFO [stderr]     = note: #[warn(unused_parens)] on by default
Dec 05 12:00:49.703 INFO [stderr] 
Dec 05 12:00:50.702 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.36s
Dec 05 12:00:50.706 INFO [stderr] su: No module specific data is present
Dec 05 12:00:50.954 INFO running `"docker" "inspect" "1f5d95e8f20b43c761b24db0d6596ca47a3a2688c23d8e2086f8bad0ff79844e"`
Dec 05 12:00:51.039 INFO running `"docker" "rm" "-f" "1f5d95e8f20b43c761b24db0d6596ca47a3a2688c23d8e2086f8bad0ff79844e"`
Dec 05 12:00:51.146 INFO [stdout] 1f5d95e8f20b43c761b24db0d6596ca47a3a2688c23d8e2086f8bad0ff79844e