Nov 30 00:31:27.686 INFO checking julian-goldsmith/huffman-rust against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 00:31:27.686 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-1/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/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 +32252761328f59ccfadb1bafb8148c685bc830b3-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 00:31:28.052 INFO [stdout] 8c85d78a2486ca23264f9be6b1caec7c6884eee24026d58be505dbf1c8c21159
Nov 30 00:31:28.054 INFO running `"docker" "start" "-a" "8c85d78a2486ca23264f9be6b1caec7c6884eee24026d58be505dbf1c8c21159"`
Nov 30 00:31:29.333 INFO [stderr] usermod: no changes
Nov 30 00:31:29.417 INFO [stderr]     Checking huffman-rust v0.1.0 (/source)
Nov 30 00:31:29.888 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Nov 30 00:31:29.888 INFO [stderr]  --> src/huffman/mod.rs:8:17
Nov 30 00:31:29.888 INFO [stderr]   |
Nov 30 00:31:29.888 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Nov 30 00:31:29.888 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Nov 30 00:31:29.888 INFO [stderr]   |
Nov 30 00:31:29.888 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:31:29.888 INFO [stderr] 
Nov 30 00:31:29.888 INFO [stderr] warning: unused import: `std::iter`
Nov 30 00:31:29.888 INFO [stderr]  --> src/rle.rs:1:5
Nov 30 00:31:29.888 INFO [stderr]   |
Nov 30 00:31:29.888 INFO [stderr] 1 | use std::iter;
Nov 30 00:31:29.888 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:31:29.888 INFO [stderr] 
Nov 30 00:31:30.116 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Nov 30 00:31:30.116 INFO [stderr]  --> src/huffman/mod.rs:8:17
Nov 30 00:31:30.116 INFO [stderr]   |
Nov 30 00:31:30.116 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Nov 30 00:31:30.116 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Nov 30 00:31:30.136 INFO [stderr]   |
Nov 30 00:31:30.136 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 00:31:30.136 INFO [stderr] 
Nov 30 00:31:30.136 INFO [stderr] warning: unused import: `std::iter`
Nov 30 00:31:30.136 INFO [stderr]  --> src/rle.rs:1:5
Nov 30 00:31:30.136 INFO [stderr]   |
Nov 30 00:31:30.136 INFO [stderr] 1 | use std::iter;
Nov 30 00:31:30.136 INFO [stderr]   |     ^^^^^^^^^
Nov 30 00:31:30.136 INFO [stderr] 
Nov 30 00:31:30.276 INFO [stderr] warning: unused variable: `err`
Nov 30 00:31:30.276 INFO [stderr]    --> src/bitstream.rs:108:17
Nov 30 00:31:30.276 INFO [stderr]     |
Nov 30 00:31:30.276 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Nov 30 00:31:30.276 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Nov 30 00:31:30.276 INFO [stderr]     |
Nov 30 00:31:30.280 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 00:31:30.280 INFO [stderr] 
Nov 30 00:31:30.320 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:31:30.320 INFO [stderr]   --> src/huffman/mod.rs:25:27
Nov 30 00:31:30.320 INFO [stderr]    |
Nov 30 00:31:30.320 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Nov 30 00:31:30.320 INFO [stderr]    |                           ----^^^^^^
Nov 30 00:31:30.320 INFO [stderr]    |                           |
Nov 30 00:31:30.320 INFO [stderr]    |                           help: remove this `mut`
Nov 30 00:31:30.320 INFO [stderr]    |
Nov 30 00:31:30.320 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:31:30.320 INFO [stderr] 
Nov 30 00:31:30.528 INFO [stderr] warning: unused variable: `err`
Nov 30 00:31:30.528 INFO [stderr]    --> src/bitstream.rs:108:17
Nov 30 00:31:30.528 INFO [stderr]     |
Nov 30 00:31:30.528 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Nov 30 00:31:30.528 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Nov 30 00:31:30.528 INFO [stderr]     |
Nov 30 00:31:30.528 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 00:31:30.528 INFO [stderr] 
Nov 30 00:31:30.556 INFO [stderr] warning: variable does not need to be mutable
Nov 30 00:31:30.556 INFO [stderr]   --> src/huffman/mod.rs:25:27
Nov 30 00:31:30.556 INFO [stderr]    |
Nov 30 00:31:30.556 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Nov 30 00:31:30.556 INFO [stderr]    |                           ----^^^^^^
Nov 30 00:31:30.556 INFO [stderr]    |                           |
Nov 30 00:31:30.556 INFO [stderr]    |                           help: remove this `mut`
Nov 30 00:31:30.556 INFO [stderr]    |
Nov 30 00:31:30.556 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 00:31:30.556 INFO [stderr] 
Nov 30 00:31:30.628 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Nov 30 00:31:30.632 INFO [stderr] su: No module specific data is present
Nov 30 00:31:31.168 INFO running `"docker" "inspect" "8c85d78a2486ca23264f9be6b1caec7c6884eee24026d58be505dbf1c8c21159"`
Nov 30 00:31:31.560 INFO running `"docker" "rm" "-f" "8c85d78a2486ca23264f9be6b1caec7c6884eee24026d58be505dbf1c8c21159"`
Nov 30 00:31:31.800 INFO [stdout] 8c85d78a2486ca23264f9be6b1caec7c6884eee24026d58be505dbf1c8c21159