Dec 13 14:49:12.330 INFO testing julian-goldsmith/huffman-rust against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 14:49:12.330 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 14:49:12.818 INFO [stdout] d0d4220b22a0a9786cb141e71fb6fbdfdd22e1c7220b052a0fda3db0f781b31f
Dec 13 14:49:12.820 INFO running `"docker" "start" "-a" "d0d4220b22a0a9786cb141e71fb6fbdfdd22e1c7220b052a0fda3db0f781b31f"`
Dec 13 14:49:13.538 INFO [stderr] usermod: no changes
Dec 13 14:49:13.570 INFO [stderr]    Compiling huffman-rust v0.1.0 (/source)
Dec 13 14:49:13.875 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Dec 13 14:49:13.875 INFO [stderr]  --> src/huffman/mod.rs:8:17
Dec 13 14:49:13.875 INFO [stderr]   |
Dec 13 14:49:13.875 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Dec 13 14:49:13.875 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Dec 13 14:49:13.875 INFO [stderr]   |
Dec 13 14:49:13.875 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 14:49:13.875 INFO [stderr] 
Dec 13 14:49:13.875 INFO [stderr] warning: unused import: `std::iter`
Dec 13 14:49:13.875 INFO [stderr]  --> src/rle.rs:1:5
Dec 13 14:49:13.875 INFO [stderr]   |
Dec 13 14:49:13.875 INFO [stderr] 1 | use std::iter;
Dec 13 14:49:13.875 INFO [stderr]   |     ^^^^^^^^^
Dec 13 14:49:13.875 INFO [stderr] 
Dec 13 14:49:14.059 INFO [stderr] warning: unused variable: `err`
Dec 13 14:49:14.059 INFO [stderr]    --> src/bitstream.rs:108:17
Dec 13 14:49:14.059 INFO [stderr]     |
Dec 13 14:49:14.059 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Dec 13 14:49:14.059 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Dec 13 14:49:14.059 INFO [stderr]     |
Dec 13 14:49:14.059 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 14:49:14.059 INFO [stderr] 
Dec 13 14:49:14.084 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:49:14.084 INFO [stderr]   --> src/huffman/mod.rs:25:27
Dec 13 14:49:14.084 INFO [stderr]    |
Dec 13 14:49:14.084 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Dec 13 14:49:14.084 INFO [stderr]    |                           ----^^^^^^
Dec 13 14:49:14.084 INFO [stderr]    |                           |
Dec 13 14:49:14.084 INFO [stderr]    |                           help: remove this `mut`
Dec 13 14:49:14.084 INFO [stderr]    |
Dec 13 14:49:14.103 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 14:49:14.103 INFO [stderr] 
Dec 13 14:49:14.861 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.29s
Dec 13 14:49:14.861 INFO [stderr] su: No module specific data is present
Dec 13 14:49:15.155 INFO running `"docker" "inspect" "d0d4220b22a0a9786cb141e71fb6fbdfdd22e1c7220b052a0fda3db0f781b31f"`
Dec 13 14:49:15.249 INFO running `"docker" "rm" "-f" "d0d4220b22a0a9786cb141e71fb6fbdfdd22e1c7220b052a0fda3db0f781b31f"`
Dec 13 14:49:15.372 INFO [stdout] d0d4220b22a0a9786cb141e71fb6fbdfdd22e1c7220b052a0fda3db0f781b31f
Dec 13 14:49:15.377 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 14:49:15.592 INFO [stdout] ce5a7a613128f5282f8d2fe619145fd22f6b88f5b9e66091fa113af996c6c1ba
Dec 13 14:49:15.592 INFO running `"docker" "start" "-a" "ce5a7a613128f5282f8d2fe619145fd22f6b88f5b9e66091fa113af996c6c1ba"`
Dec 13 14:49:16.013 INFO [stderr] usermod: no changes
Dec 13 14:49:16.045 INFO [stderr]    Compiling huffman-rust v0.1.0 (/source)
Dec 13 14:49:16.379 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Dec 13 14:49:16.379 INFO [stderr]  --> src/huffman/mod.rs:8:17
Dec 13 14:49:16.379 INFO [stderr]   |
Dec 13 14:49:16.379 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Dec 13 14:49:16.379 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Dec 13 14:49:16.379 INFO [stderr]   |
Dec 13 14:49:16.379 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 14:49:16.379 INFO [stderr] 
Dec 13 14:49:16.379 INFO [stderr] warning: unused import: `std::iter`
Dec 13 14:49:16.379 INFO [stderr]  --> src/rle.rs:1:5
Dec 13 14:49:16.379 INFO [stderr]   |
Dec 13 14:49:16.379 INFO [stderr] 1 | use std::iter;
Dec 13 14:49:16.379 INFO [stderr]   |     ^^^^^^^^^
Dec 13 14:49:16.379 INFO [stderr] 
Dec 13 14:49:16.604 INFO [stderr] warning: unused variable: `err`
Dec 13 14:49:16.604 INFO [stderr]    --> src/bitstream.rs:108:17
Dec 13 14:49:16.604 INFO [stderr]     |
Dec 13 14:49:16.604 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Dec 13 14:49:16.604 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Dec 13 14:49:16.604 INFO [stderr]     |
Dec 13 14:49:16.604 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 13 14:49:16.604 INFO [stderr] 
Dec 13 14:49:16.651 INFO [stderr] warning: variable does not need to be mutable
Dec 13 14:49:16.651 INFO [stderr]   --> src/huffman/mod.rs:25:27
Dec 13 14:49:16.651 INFO [stderr]    |
Dec 13 14:49:16.651 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Dec 13 14:49:16.651 INFO [stderr]    |                           ----^^^^^^
Dec 13 14:49:16.651 INFO [stderr]    |                           |
Dec 13 14:49:16.651 INFO [stderr]    |                           help: remove this `mut`
Dec 13 14:49:16.651 INFO [stderr]    |
Dec 13 14:49:16.651 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 13 14:49:16.651 INFO [stderr] 
Dec 13 14:49:17.546 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
Dec 13 14:49:17.551 INFO [stderr] su: No module specific data is present
Dec 13 14:49:18.077 INFO running `"docker" "inspect" "ce5a7a613128f5282f8d2fe619145fd22f6b88f5b9e66091fa113af996c6c1ba"`
Dec 13 14:49:18.303 INFO running `"docker" "rm" "-f" "ce5a7a613128f5282f8d2fe619145fd22f6b88f5b9e66091fa113af996c6c1ba"`
Dec 13 14:49:18.570 INFO [stdout] ce5a7a613128f5282f8d2fe619145fd22f6b88f5b9e66091fa113af996c6c1ba
Dec 13 14:49:18.577 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-3/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 14:49:18.983 INFO [stdout] 9dd8697fa2e429d2d4add14b0cc76753d642ba8843a8741a65c4ae36959e811e
Dec 13 14:49:18.989 INFO running `"docker" "start" "-a" "9dd8697fa2e429d2d4add14b0cc76753d642ba8843a8741a65c4ae36959e811e"`
Dec 13 14:49:20.336 INFO [stderr] usermod: no changes
Dec 13 14:49:20.391 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
Dec 13 14:49:20.403 INFO [stderr]      Running /target/debug/deps/huffman_rust-45ef9c7f94e07880
Dec 13 14:49:20.411 INFO [stdout] 
Dec 13 14:49:20.411 INFO [stdout] running 7 tests
Dec 13 14:49:20.411 INFO [stdout] test bwt::test::decode_test ... ok
Dec 13 14:49:20.411 INFO [stdout] test bwt::test::encode_decode_test ... ok
Dec 13 14:49:20.411 INFO [stdout] test rle::test::encode_test ... ok
Dec 13 14:49:20.411 INFO [stdout] test rle::test::decode_test ... ok
Dec 13 14:49:20.411 INFO [stdout] test bwt::test::encode_test ... ok
Dec 13 14:49:20.411 INFO [stdout] test mtf::test::decode_test ... ok
Dec 13 14:49:20.414 INFO [stdout] test mtf::test::encode_test ... ok
Dec 13 14:49:20.415 INFO [stdout] 
Dec 13 14:49:20.415 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 14:49:20.415 INFO [stdout] 
Dec 13 14:49:20.423 INFO [stderr] su: No module specific data is present
Dec 13 14:49:21.195 INFO running `"docker" "inspect" "9dd8697fa2e429d2d4add14b0cc76753d642ba8843a8741a65c4ae36959e811e"`
Dec 13 14:49:21.521 INFO running `"docker" "rm" "-f" "9dd8697fa2e429d2d4add14b0cc76753d642ba8843a8741a65c4ae36959e811e"`
Dec 13 14:49:21.835 INFO [stdout] 9dd8697fa2e429d2d4add14b0cc76753d642ba8843a8741a65c4ae36959e811e