Oct 12 19:24:47.419 INFO checking julian-goldsmith/huffman-rust against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 19:24:47.419 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-6/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-6/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 19:24:47.708 INFO blam! 22a84174ee52d0723d775a471d1f5def7e11ed223698f198e49ff066cd212e66
Oct 12 19:24:47.712 INFO running `"docker" "start" "-a" "22a84174ee52d0723d775a471d1f5def7e11ed223698f198e49ff066cd212e66"`
Oct 12 19:24:49.004 INFO kablam! usermod: no changes
Oct 12 19:24:49.060 INFO kablam!     Checking huffman-rust v0.1.0 (/source)
Oct 12 19:24:49.616 INFO kablam! warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Oct 12 19:24:49.616 INFO kablam!  --> src/huffman/mod.rs:8:17
Oct 12 19:24:49.616 INFO kablam!   |
Oct 12 19:24:49.616 INFO kablam! 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Oct 12 19:24:49.616 INFO kablam!   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Oct 12 19:24:49.616 INFO kablam!   |
Oct 12 19:24:49.616 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:24:49.616 INFO kablam! 
Oct 12 19:24:49.616 INFO kablam! warning: unused import: `std::iter`
Oct 12 19:24:49.616 INFO kablam!  --> src/rle.rs:1:5
Oct 12 19:24:49.616 INFO kablam!   |
Oct 12 19:24:49.616 INFO kablam! 1 | use std::iter;
Oct 12 19:24:49.616 INFO kablam!   |     ^^^^^^^^^
Oct 12 19:24:49.616 INFO kablam! 
Oct 12 19:24:49.700 INFO kablam! warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Oct 12 19:24:49.700 INFO kablam!  --> src/huffman/mod.rs:8:17
Oct 12 19:24:49.700 INFO kablam!   |
Oct 12 19:24:49.700 INFO kablam! 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Oct 12 19:24:49.700 INFO kablam!   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Oct 12 19:24:49.700 INFO kablam!   |
Oct 12 19:24:49.700 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 19:24:49.700 INFO kablam! 
Oct 12 19:24:49.700 INFO kablam! warning: unused import: `std::iter`
Oct 12 19:24:49.700 INFO kablam!  --> src/rle.rs:1:5
Oct 12 19:24:49.700 INFO kablam!   |
Oct 12 19:24:49.700 INFO kablam! 1 | use std::iter;
Oct 12 19:24:49.700 INFO kablam!   |     ^^^^^^^^^
Oct 12 19:24:49.700 INFO kablam! 
Oct 12 19:24:49.856 INFO kablam! warning: unused variable: `err`
Oct 12 19:24:49.856 INFO kablam!    --> src/bitstream.rs:108:17
Oct 12 19:24:49.856 INFO kablam!     |
Oct 12 19:24:49.856 INFO kablam! 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Oct 12 19:24:49.856 INFO kablam!     |                 ^^^ help: consider using `_err` instead
Oct 12 19:24:49.856 INFO kablam!     |
Oct 12 19:24:49.856 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 19:24:49.856 INFO kablam! 
Oct 12 19:24:49.873 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:24:49.873 INFO kablam!   --> src/huffman/mod.rs:25:27
Oct 12 19:24:49.873 INFO kablam!    |
Oct 12 19:24:49.873 INFO kablam! 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Oct 12 19:24:49.873 INFO kablam!    |                           ----^^^^^^
Oct 12 19:24:49.873 INFO kablam!    |                           |
Oct 12 19:24:49.873 INFO kablam!    |                           help: remove this `mut`
Oct 12 19:24:49.873 INFO kablam!    |
Oct 12 19:24:49.873 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 19:24:49.873 INFO kablam! 
Oct 12 19:24:50.013 INFO kablam! warning: unused variable: `err`
Oct 12 19:24:50.013 INFO kablam!    --> src/bitstream.rs:108:17
Oct 12 19:24:50.013 INFO kablam!     |
Oct 12 19:24:50.013 INFO kablam! 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Oct 12 19:24:50.013 INFO kablam!     |                 ^^^ help: consider using `_err` instead
Oct 12 19:24:50.013 INFO kablam!     |
Oct 12 19:24:50.013 INFO kablam!     = note: #[warn(unused_variables)] on by default
Oct 12 19:24:50.013 INFO kablam! 
Oct 12 19:24:50.048 INFO kablam! warning: variable does not need to be mutable
Oct 12 19:24:50.048 INFO kablam!   --> src/huffman/mod.rs:25:27
Oct 12 19:24:50.048 INFO kablam!    |
Oct 12 19:24:50.048 INFO kablam! 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Oct 12 19:24:50.048 INFO kablam!    |                           ----^^^^^^
Oct 12 19:24:50.048 INFO kablam!    |                           |
Oct 12 19:24:50.048 INFO kablam!    |                           help: remove this `mut`
Oct 12 19:24:50.048 INFO kablam!    |
Oct 12 19:24:50.048 INFO kablam!    = note: #[warn(unused_mut)] on by default
Oct 12 19:24:50.048 INFO kablam! 
Oct 12 19:24:50.128 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Oct 12 19:24:50.128 INFO kablam! su: No module specific data is present
Oct 12 19:24:50.920 INFO running `"docker" "rm" "-f" "22a84174ee52d0723d775a471d1f5def7e11ed223698f198e49ff066cd212e66"`
Oct 12 19:24:51.396 INFO blam! 22a84174ee52d0723d775a471d1f5def7e11ed223698f198e49ff066cd212e66