Dec 05 19:10:44.505 INFO testing julian-goldsmith/huffman-rust against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 19:10:44.505 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:10:44.778 INFO [stdout] a77ba2f527856aa67b69a5e5fa18eb26b7b3c999e51593276db41dae6dfe3024
Dec 05 19:10:44.782 INFO running `"docker" "start" "-a" "a77ba2f527856aa67b69a5e5fa18eb26b7b3c999e51593276db41dae6dfe3024"`
Dec 05 19:10:45.189 INFO [stderr] usermod: no changes
Dec 05 19:10:45.228 INFO [stderr]    Compiling huffman-rust v0.1.0 (/source)
Dec 05 19:10:45.413 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Dec 05 19:10:45.413 INFO [stderr]  --> src/huffman/mod.rs:8:17
Dec 05 19:10:45.413 INFO [stderr]   |
Dec 05 19:10:45.413 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Dec 05 19:10:45.413 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Dec 05 19:10:45.413 INFO [stderr]   |
Dec 05 19:10:45.413 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:10:45.413 INFO [stderr] 
Dec 05 19:10:45.413 INFO [stderr] warning: unused import: `std::iter`
Dec 05 19:10:45.413 INFO [stderr]  --> src/rle.rs:1:5
Dec 05 19:10:45.413 INFO [stderr]   |
Dec 05 19:10:45.413 INFO [stderr] 1 | use std::iter;
Dec 05 19:10:45.413 INFO [stderr]   |     ^^^^^^^^^
Dec 05 19:10:45.413 INFO [stderr] 
Dec 05 19:10:45.557 INFO [stderr] warning: unused variable: `err`
Dec 05 19:10:45.557 INFO [stderr]    --> src/bitstream.rs:108:17
Dec 05 19:10:45.557 INFO [stderr]     |
Dec 05 19:10:45.557 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Dec 05 19:10:45.557 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Dec 05 19:10:45.557 INFO [stderr]     |
Dec 05 19:10:45.557 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 19:10:45.557 INFO [stderr] 
Dec 05 19:10:45.576 INFO [stderr] warning: variable does not need to be mutable
Dec 05 19:10:45.576 INFO [stderr]   --> src/huffman/mod.rs:25:27
Dec 05 19:10:45.576 INFO [stderr]    |
Dec 05 19:10:45.576 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Dec 05 19:10:45.576 INFO [stderr]    |                           ----^^^^^^
Dec 05 19:10:45.576 INFO [stderr]    |                           |
Dec 05 19:10:45.576 INFO [stderr]    |                           help: remove this `mut`
Dec 05 19:10:45.576 INFO [stderr]    |
Dec 05 19:10:45.576 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 19:10:45.576 INFO [stderr] 
Dec 05 19:10:46.467 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
Dec 05 19:10:46.469 INFO [stderr] su: No module specific data is present
Dec 05 19:10:46.894 INFO running `"docker" "inspect" "a77ba2f527856aa67b69a5e5fa18eb26b7b3c999e51593276db41dae6dfe3024"`
Dec 05 19:10:47.090 INFO running `"docker" "rm" "-f" "a77ba2f527856aa67b69a5e5fa18eb26b7b3c999e51593276db41dae6dfe3024"`
Dec 05 19:10:47.355 INFO [stdout] a77ba2f527856aa67b69a5e5fa18eb26b7b3c999e51593276db41dae6dfe3024
Dec 05 19:10:47.358 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:10:47.702 INFO [stdout] fdae4f0b83aedd9fa1a3a22e9ae47e5b14344204d4ed1e002e6baf6c8721a838
Dec 05 19:10:47.712 INFO running `"docker" "start" "-a" "fdae4f0b83aedd9fa1a3a22e9ae47e5b14344204d4ed1e002e6baf6c8721a838"`
Dec 05 19:10:48.642 INFO [stderr] usermod: no changes
Dec 05 19:10:48.670 INFO [stderr]    Compiling huffman-rust v0.1.0 (/source)
Dec 05 19:10:48.923 INFO [stderr] warning: unused imports: `ReadBytesExt`, `WriteBytesExt`
Dec 05 19:10:48.923 INFO [stderr]  --> src/huffman/mod.rs:8:17
Dec 05 19:10:48.923 INFO [stderr]   |
Dec 05 19:10:48.923 INFO [stderr] 8 | use byteorder::{ReadBytesExt, WriteBytesExt};
Dec 05 19:10:48.923 INFO [stderr]   |                 ^^^^^^^^^^^^  ^^^^^^^^^^^^^
Dec 05 19:10:48.923 INFO [stderr]   |
Dec 05 19:10:48.923 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 19:10:48.923 INFO [stderr] 
Dec 05 19:10:48.923 INFO [stderr] warning: unused import: `std::iter`
Dec 05 19:10:48.923 INFO [stderr]  --> src/rle.rs:1:5
Dec 05 19:10:48.923 INFO [stderr]   |
Dec 05 19:10:48.923 INFO [stderr] 1 | use std::iter;
Dec 05 19:10:48.923 INFO [stderr]   |     ^^^^^^^^^
Dec 05 19:10:48.923 INFO [stderr] 
Dec 05 19:10:49.132 INFO [stderr] warning: unused variable: `err`
Dec 05 19:10:49.132 INFO [stderr]    --> src/bitstream.rs:108:17
Dec 05 19:10:49.132 INFO [stderr]     |
Dec 05 19:10:49.132 INFO [stderr] 108 |             Err(err) => return Ok(None),        // FIXME: handle non-EOF
Dec 05 19:10:49.132 INFO [stderr]     |                 ^^^ help: consider using `_err` instead
Dec 05 19:10:49.132 INFO [stderr]     |
Dec 05 19:10:49.132 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 05 19:10:49.132 INFO [stderr] 
Dec 05 19:10:49.156 INFO [stderr] warning: variable does not need to be mutable
Dec 05 19:10:49.156 INFO [stderr]   --> src/huffman/mod.rs:25:27
Dec 05 19:10:49.156 INFO [stderr]    |
Dec 05 19:10:49.156 INFO [stderr] 25 |     fn write_freqs(&self, mut writer: &mut Write) -> io::Result<usize> {
Dec 05 19:10:49.156 INFO [stderr]    |                           ----^^^^^^
Dec 05 19:10:49.156 INFO [stderr]    |                           |
Dec 05 19:10:49.156 INFO [stderr]    |                           help: remove this `mut`
Dec 05 19:10:49.156 INFO [stderr]    |
Dec 05 19:10:49.156 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 05 19:10:49.156 INFO [stderr] 
Dec 05 19:10:49.995 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.33s
Dec 05 19:10:49.997 INFO [stderr] su: No module specific data is present
Dec 05 19:10:50.429 INFO running `"docker" "inspect" "fdae4f0b83aedd9fa1a3a22e9ae47e5b14344204d4ed1e002e6baf6c8721a838"`
Dec 05 19:10:50.730 INFO running `"docker" "rm" "-f" "fdae4f0b83aedd9fa1a3a22e9ae47e5b14344204d4ed1e002e6baf6c8721a838"`
Dec 05 19:10:50.932 INFO [stdout] fdae4f0b83aedd9fa1a3a22e9ae47e5b14344204d4ed1e002e6baf6c8721a838
Dec 05 19:10:50.934 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 05 19:10:51.310 INFO [stdout] 0f1e71489003c46f7f8517106bad2b5491c02de67b14cfd2445052a83e71e29c
Dec 05 19:10:51.314 INFO running `"docker" "start" "-a" "0f1e71489003c46f7f8517106bad2b5491c02de67b14cfd2445052a83e71e29c"`
Dec 05 19:10:52.188 INFO [stderr] usermod: no changes
Dec 05 19:10:52.224 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
Dec 05 19:10:52.228 INFO [stderr]      Running /target/debug/deps/huffman_rust-4e99ee4d3f73b3a0
Dec 05 19:10:52.248 INFO [stdout] 
Dec 05 19:10:52.248 INFO [stdout] running 7 tests
Dec 05 19:10:52.248 INFO [stdout] test bwt::test::decode_test ... ok
Dec 05 19:10:52.248 INFO [stdout] test rle::test::encode_test ... ok
Dec 05 19:10:52.248 INFO [stdout] test bwt::test::encode_test ... ok
Dec 05 19:10:52.248 INFO [stdout] test mtf::test::decode_test ... ok
Dec 05 19:10:52.248 INFO [stdout] test mtf::test::encode_test ... ok
Dec 05 19:10:52.249 INFO [stdout] test rle::test::decode_test ... ok
Dec 05 19:10:52.249 INFO [stdout] test bwt::test::encode_decode_test ... ok
Dec 05 19:10:52.249 INFO [stdout] 
Dec 05 19:10:52.249 INFO [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 19:10:52.250 INFO [stdout] 
Dec 05 19:10:52.250 INFO [stderr] su: No module specific data is present
Dec 05 19:10:52.560 INFO running `"docker" "inspect" "0f1e71489003c46f7f8517106bad2b5491c02de67b14cfd2445052a83e71e29c"`
Dec 05 19:10:52.705 INFO running `"docker" "rm" "-f" "0f1e71489003c46f7f8517106bad2b5491c02de67b14cfd2445052a83e71e29c"`
Dec 05 19:10:52.812 INFO [stdout] 0f1e71489003c46f7f8517106bad2b5491c02de67b14cfd2445052a83e71e29c