Nov 30 00:31:28.064 INFO checking julian-goldsmith/huffman-rust against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 00:31:28.065 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-7/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 00:31:28.480 INFO [stdout] 8831fad696ae8b4e26102c80628eb6fa98e70eddb697c627ea208bea4d06d7b8
Nov 30 00:31:28.484 INFO running `"docker" "start" "-a" "8831fad696ae8b4e26102c80628eb6fa98e70eddb697c627ea208bea4d06d7b8"`
Nov 30 00:31:29.845 INFO [stderr] usermod: no changes
Nov 30 00:31:29.924 INFO [stderr]     Checking huffman-rust v0.1.0 (/source)
Nov 30 00:31:30.396 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Nov 30 00:31:30.396 INFO [stderr]  --> src/huffman/mod.rs:8:17
Nov 30 00:31:30.396 INFO [stderr]   |
Nov 30 00:31:30.396 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Nov 30 00:31:30.396 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Nov 30 00:31:30.396 INFO [stderr]   |
Nov 30 00:31:30.396 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:31:30.396 INFO [stderr] 
Nov 30 00:31:30.396 INFO [stderr] warning: unused import: `std::iter`
Nov 30 00:31:30.396 INFO [stderr]  --> src/rle.rs:1:5
Nov 30 00:31:30.396 INFO [stderr]   |
Nov 30 00:31:30.396 INFO [stderr] 1 | use std::iter;
Nov 30 00:31:30.396 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:31:30.396 INFO [stderr] 
Nov 30 00:31:30.416 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Nov 30 00:31:30.416 INFO [stderr]  --> src/huffman/mod.rs:8:17
Nov 30 00:31:30.416 INFO [stderr]   |
Nov 30 00:31:30.416 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Nov 30 00:31:30.416 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Nov 30 00:31:30.416 INFO [stderr]   |
Nov 30 00:31:30.416 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:31:30.416 INFO [stderr] 
Nov 30 00:31:30.416 INFO [stderr] warning: unused import: `std::iter`
Nov 30 00:31:30.416 INFO [stderr]  --> src/rle.rs:1:5
Nov 30 00:31:30.416 INFO [stderr]   |
Nov 30 00:31:30.416 INFO [stderr] 1 | use std::iter;
Nov 30 00:31:30.416 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:31:30.416 INFO [stderr] 
Nov 30 00:31:30.642 INFO [stderr] warning: unused variable: `err`
Nov 30 00:31:30.642 INFO [stderr]    --> src/bitstream.rs:108:17
Nov 30 00:31:30.642 INFO [stderr]     |
Nov 30 00:31:30.643 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Nov 30 00:31:30.643 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Nov 30 00:31:30.643 INFO [stderr]     |
Nov 30 00:31:30.643 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 00:31:30.643 INFO [stderr] 
Nov 30 00:31:30.683 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:31:30.683 INFO [stderr]   --> src/huffman/mod.rs:25:27
Nov 30 00:31:30.683 INFO [stderr]    |
Nov 30 00:31:30.684 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Nov 30 00:31:30.684 INFO [stderr]    |                           ----^^^^^^
Nov 30 00:31:30.684 INFO [stderr]    |                           |
Nov 30 00:31:30.684 INFO [stderr]    |                           help: remove this `mut`
Nov 30 00:31:30.684 INFO [stderr]    |
Nov 30 00:31:30.684 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:31:30.684 INFO [stderr] 
Nov 30 00:31:30.700 INFO [stderr] warning: unused variable: `err`
Nov 30 00:31:30.700 INFO [stderr]    --> src/bitstream.rs:108:17
Nov 30 00:31:30.700 INFO [stderr]     |
Nov 30 00:31:30.700 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Nov 30 00:31:30.700 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Nov 30 00:31:30.700 INFO [stderr]     |
Nov 30 00:31:30.700 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 00:31:30.700 INFO [stderr] 
Nov 30 00:31:30.728 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:31:30.728 INFO [stderr]   --> src/huffman/mod.rs:25:27
Nov 30 00:31:30.728 INFO [stderr]    |
Nov 30 00:31:30.728 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Nov 30 00:31:30.728 INFO [stderr]    |                           ----^^^^^^
Nov 30 00:31:30.728 INFO [stderr]    |                           |
Nov 30 00:31:30.728 INFO [stderr]    |                           help: remove this `mut`
Nov 30 00:31:30.728 INFO [stderr]    |
Nov 30 00:31:30.728 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:31:30.728 INFO [stderr] 
Nov 30 00:31:30.798 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Nov 30 00:31:30.800 INFO [stderr] su: No module specific data is present
Nov 30 00:31:31.326 INFO running `"docker" "inspect" "8831fad696ae8b4e26102c80628eb6fa98e70eddb697c627ea208bea4d06d7b8"`
Nov 30 00:31:31.606 INFO running `"docker" "rm" "-f" "8831fad696ae8b4e26102c80628eb6fa98e70eddb697c627ea208bea4d06d7b8"`
Nov 30 00:31:31.885 INFO [stdout] 8831fad696ae8b4e26102c80628eb6fa98e70eddb697c627ea208bea4d06d7b8