Nov 28 02:57:11.307 INFO checking julian-goldsmith/huffman-rust against try#db42d4dad33013eba11ef37342ad9f614e5652b8 for pr-56074
Nov 28 02:57:11.307 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56074/worker-2/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56074/try#db42d4dad33013eba11ef37342ad9f614e5652b8:/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 +db42d4dad33013eba11ef37342ad9f614e5652b8-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 28 02:57:13.893 INFO [stdout] 959c50dacb76e11782c28091c9bc78a4fbeda531bccc05a0abc38b7aa957121b
Nov 28 02:57:13.912 INFO running `"docker" "start" "-a" "959c50dacb76e11782c28091c9bc78a4fbeda531bccc05a0abc38b7aa957121b"`
Nov 28 02:57:14.712 INFO [stderr] usermod: no changes
Nov 28 02:57:14.761 INFO [stderr]     Checking huffman-rust v0.1.0 (/source)
Nov 28 02:57:15.060 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Nov 28 02:57:15.060 INFO [stderr]  --> src/huffman/mod.rs:8:17
Nov 28 02:57:15.060 INFO [stderr]   |
Nov 28 02:57:15.060 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Nov 28 02:57:15.060 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Nov 28 02:57:15.060 INFO [stderr]   |
Nov 28 02:57:15.060 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 02:57:15.060 INFO [stderr] 
Nov 28 02:57:15.060 INFO [stderr] warning: unused import: `std::iter`
Nov 28 02:57:15.060 INFO [stderr]  --> src/rle.rs:1:5
Nov 28 02:57:15.060 INFO [stderr]   |
Nov 28 02:57:15.060 INFO [stderr] 1 | use std::iter;
Nov 28 02:57:15.060 INFO [stderr]   |     ^^^^^^^^^
Nov 28 02:57:15.060 INFO [stderr] 
Nov 28 02:57:15.096 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Nov 28 02:57:15.096 INFO [stderr]  --> src/huffman/mod.rs:8:17
Nov 28 02:57:15.096 INFO [stderr]   |
Nov 28 02:57:15.096 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Nov 28 02:57:15.096 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Nov 28 02:57:15.096 INFO [stderr]   |
Nov 28 02:57:15.096 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 28 02:57:15.096 INFO [stderr] 
Nov 28 02:57:15.096 INFO [stderr] warning: unused import: `std::iter`
Nov 28 02:57:15.096 INFO [stderr]  --> src/rle.rs:1:5
Nov 28 02:57:15.096 INFO [stderr]   |
Nov 28 02:57:15.096 INFO [stderr] 1 | use std::iter;
Nov 28 02:57:15.096 INFO [stderr]   |     ^^^^^^^^^
Nov 28 02:57:15.096 INFO [stderr] 
Nov 28 02:57:15.300 INFO [stderr] warning: unused variable: `err`
Nov 28 02:57:15.300 INFO [stderr]    --> src/bitstream.rs:108:17
Nov 28 02:57:15.300 INFO [stderr]     |
Nov 28 02:57:15.300 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Nov 28 02:57:15.300 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Nov 28 02:57:15.300 INFO [stderr]     |
Nov 28 02:57:15.300 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 02:57:15.300 INFO [stderr] 
Nov 28 02:57:15.332 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:57:15.332 INFO [stderr]   --> src/huffman/mod.rs:25:27
Nov 28 02:57:15.332 INFO [stderr]    |
Nov 28 02:57:15.332 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Nov 28 02:57:15.332 INFO [stderr]    |                           ----^^^^^^
Nov 28 02:57:15.332 INFO [stderr]    |                           |
Nov 28 02:57:15.332 INFO [stderr]    |                           help: remove this `mut`
Nov 28 02:57:15.332 INFO [stderr]    |
Nov 28 02:57:15.332 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:57:15.332 INFO [stderr] 
Nov 28 02:57:15.391 INFO [stderr] warning: unused variable: `err`
Nov 28 02:57:15.391 INFO [stderr]    --> src/bitstream.rs:108:17
Nov 28 02:57:15.391 INFO [stderr]     |
Nov 28 02:57:15.391 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Nov 28 02:57:15.391 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Nov 28 02:57:15.391 INFO [stderr]     |
Nov 28 02:57:15.391 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 28 02:57:15.391 INFO [stderr] 
Nov 28 02:57:15.419 INFO [stderr] warning: variable does not need to be mutable
Nov 28 02:57:15.419 INFO [stderr]   --> src/huffman/mod.rs:25:27
Nov 28 02:57:15.420 INFO [stderr]    |
Nov 28 02:57:15.420 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Nov 28 02:57:15.420 INFO [stderr]    |                           ----^^^^^^
Nov 28 02:57:15.420 INFO [stderr]    |                           |
Nov 28 02:57:15.421 INFO [stderr]    |                           help: remove this `mut`
Nov 28 02:57:15.421 INFO [stderr]    |
Nov 28 02:57:15.421 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 28 02:57:15.422 INFO [stderr] 
Nov 28 02:57:15.487 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
Nov 28 02:57:15.491 INFO [stderr] su: No module specific data is present
Nov 28 02:57:15.924 INFO running `"docker" "inspect" "959c50dacb76e11782c28091c9bc78a4fbeda531bccc05a0abc38b7aa957121b"`
Nov 28 02:57:16.082 INFO running `"docker" "rm" "-f" "959c50dacb76e11782c28091c9bc78a4fbeda531bccc05a0abc38b7aa957121b"`
Nov 28 02:57:16.287 INFO [stdout] 959c50dacb76e11782c28091c9bc78a4fbeda531bccc05a0abc38b7aa957121b