Dec 05 03:11:11.312 INFO checking CJStadler/rust_hzip against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 03:11:11.312 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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"`
Dec 05 03:11:11.731 INFO [stdout] 8737b7c01dab65a9c8dda02a0d89f19f832668b0059c8fcc42ba0ada7ae71d7e
Dec 05 03:11:11.733 INFO running `"docker" "start" "-a" "8737b7c01dab65a9c8dda02a0d89f19f832668b0059c8fcc42ba0ada7ae71d7e"`
Dec 05 03:11:12.982 INFO [stderr] usermod: no changes
Dec 05 03:11:13.063 INFO [stderr]     Checking rust_hzip v0.1.0 (/source)
Dec 05 03:11:13.647 INFO [stderr] warning: unused import: `bit_vec::BitVec`
Dec 05 03:11:13.647 INFO [stderr]  --> src/decoder.rs:1:5
Dec 05 03:11:13.647 INFO [stderr]   |
Dec 05 03:11:13.647 INFO [stderr] 1 | use bit_vec::BitVec;
Dec 05 03:11:13.647 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 03:11:13.647 INFO [stderr]   |
Dec 05 03:11:13.647 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:11:13.647 INFO [stderr] 
Dec 05 03:11:13.647 INFO [stderr] warning: unused import: `code_map::CodeMap`
Dec 05 03:11:13.647 INFO [stderr]  --> src/decoder.rs:3:5
Dec 05 03:11:13.647 INFO [stderr]   |
Dec 05 03:11:13.647 INFO [stderr] 3 | use code_map::CodeMap;
Dec 05 03:11:13.647 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 03:11:13.647 INFO [stderr] 
Dec 05 03:11:13.647 INFO [stderr] warning: unused import: `code_tree::CodeTree`
Dec 05 03:11:13.647 INFO [stderr]  --> src/decoder.rs:4:5
Dec 05 03:11:13.647 INFO [stderr]   |
Dec 05 03:11:13.647 INFO [stderr] 4 | use code_tree::CodeTree;
Dec 05 03:11:13.647 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 03:11:13.647 INFO [stderr] 
Dec 05 03:11:13.695 INFO [stderr] warning: unused import: `bit_vec::BitVec`
Dec 05 03:11:13.695 INFO [stderr]  --> src/decoder.rs:1:5
Dec 05 03:11:13.695 INFO [stderr]   |
Dec 05 03:11:13.695 INFO [stderr] 1 | use bit_vec::BitVec;
Dec 05 03:11:13.695 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 05 03:11:13.695 INFO [stderr]   |
Dec 05 03:11:13.695 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 05 03:11:13.695 INFO [stderr] 
Dec 05 03:11:13.695 INFO [stderr] warning: unused import: `code_map::CodeMap`
Dec 05 03:11:13.695 INFO [stderr]  --> src/decoder.rs:3:5
Dec 05 03:11:13.695 INFO [stderr]   |
Dec 05 03:11:13.695 INFO [stderr] 3 | use code_map::CodeMap;
Dec 05 03:11:13.695 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 05 03:11:13.695 INFO [stderr] 
Dec 05 03:11:13.695 INFO [stderr] warning: unused import: `code_tree::CodeTree`
Dec 05 03:11:13.695 INFO [stderr]  --> src/decoder.rs:4:5
Dec 05 03:11:13.695 INFO [stderr]   |
Dec 05 03:11:13.695 INFO [stderr] 4 | use code_tree::CodeTree;
Dec 05 03:11:13.695 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 05 03:11:13.695 INFO [stderr] 
Dec 05 03:11:13.738 INFO [stderr] warning: unused variable: `bits_in_last_byte`
Dec 05 03:11:13.740 INFO [stderr]  --> src/decoder.rs:7:9
Dec 05 03:11:13.740 INFO [stderr]   |
Dec 05 03:11:13.740 INFO [stderr] 7 |     let bits_in_last_byte = encoded_bytes.get(0).unwrap();
Dec 05 03:11:13.740 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^ help: consider using `_bits_in_last_byte` instead
Dec 05 03:11:13.740 INFO [stderr]   |
Dec 05 03:11:13.740 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 03:11:13.740 INFO [stderr] 
Dec 05 03:11:13.740 INFO [stderr] warning: unused variable: `code_tree_length`
Dec 05 03:11:13.740 INFO [stderr]  --> src/decoder.rs:8:13
Dec 05 03:11:13.740 INFO [stderr]   |
Dec 05 03:11:13.740 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 05 03:11:13.740 INFO [stderr]   |             ^^^^^^^^^^^^^^^^ help: consider using `_code_tree_length` instead
Dec 05 03:11:13.740 INFO [stderr] 
Dec 05 03:11:13.763 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:11:13.763 INFO [stderr]  --> src/decoder.rs:8:9
Dec 05 03:11:13.763 INFO [stderr]   |
Dec 05 03:11:13.763 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 05 03:11:13.763 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^
Dec 05 03:11:13.763 INFO [stderr]   |         |
Dec 05 03:11:13.763 INFO [stderr]   |         help: remove this `mut`
Dec 05 03:11:13.763 INFO [stderr]   |
Dec 05 03:11:13.763 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 03:11:13.763 INFO [stderr] 
Dec 05 03:11:13.763 INFO [stderr] warning: function is never used: `write_bits_to_file`
Dec 05 03:11:13.763 INFO [stderr]   --> src/write_file.rs:14:1
Dec 05 03:11:13.763 INFO [stderr]    |
Dec 05 03:11:13.763 INFO [stderr] 14 | pub fn write_bits_to_file(filename: &str, contents: &BitVec) {
Dec 05 03:11:13.763 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:11:13.763 INFO [stderr]    |
Dec 05 03:11:13.763 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 03:11:13.763 INFO [stderr] 
Dec 05 03:11:13.890 INFO [stderr] warning: unused variable: `bits_in_last_byte`
Dec 05 03:11:13.890 INFO [stderr]  --> src/decoder.rs:7:9
Dec 05 03:11:13.890 INFO [stderr]   |
Dec 05 03:11:13.890 INFO [stderr] 7 |     let bits_in_last_byte = encoded_bytes.get(0).unwrap();
Dec 05 03:11:13.890 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^ help: consider using `_bits_in_last_byte` instead
Dec 05 03:11:13.890 INFO [stderr]   |
Dec 05 03:11:13.890 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 05 03:11:13.890 INFO [stderr] 
Dec 05 03:11:13.890 INFO [stderr] warning: unused variable: `code_tree_length`
Dec 05 03:11:13.890 INFO [stderr]  --> src/decoder.rs:8:13
Dec 05 03:11:13.890 INFO [stderr]   |
Dec 05 03:11:13.890 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 05 03:11:13.890 INFO [stderr]   |             ^^^^^^^^^^^^^^^^ help: consider using `_code_tree_length` instead
Dec 05 03:11:13.891 INFO [stderr] 
Dec 05 03:11:13.919 INFO [stderr] warning: variable does not need to be mutable
Dec 05 03:11:13.919 INFO [stderr]  --> src/decoder.rs:8:9
Dec 05 03:11:13.919 INFO [stderr]   |
Dec 05 03:11:13.919 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 05 03:11:13.919 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^
Dec 05 03:11:13.919 INFO [stderr]   |         |
Dec 05 03:11:13.919 INFO [stderr]   |         help: remove this `mut`
Dec 05 03:11:13.919 INFO [stderr]   |
Dec 05 03:11:13.919 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 05 03:11:13.919 INFO [stderr] 
Dec 05 03:11:13.927 INFO [stderr] warning: function is never used: `write_bits_to_file`
Dec 05 03:11:13.927 INFO [stderr]   --> src/write_file.rs:14:1
Dec 05 03:11:13.927 INFO [stderr]    |
Dec 05 03:11:13.927 INFO [stderr] 14 | pub fn write_bits_to_file(filename: &str, contents: &BitVec) {
Dec 05 03:11:13.927 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 03:11:13.927 INFO [stderr]    |
Dec 05 03:11:13.927 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 03:11:13.927 INFO [stderr] 
Dec 05 03:11:13.947 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Dec 05 03:11:13.955 INFO [stderr] su: No module specific data is present
Dec 05 03:11:14.518 INFO running `"docker" "inspect" "8737b7c01dab65a9c8dda02a0d89f19f832668b0059c8fcc42ba0ada7ae71d7e"`
Dec 05 03:11:14.793 INFO running `"docker" "rm" "-f" "8737b7c01dab65a9c8dda02a0d89f19f832668b0059c8fcc42ba0ada7ae71d7e"`
Dec 05 03:11:15.078 INFO [stdout] 8737b7c01dab65a9c8dda02a0d89f19f832668b0059c8fcc42ba0ada7ae71d7e