Dec 18 08:14:08.573 INFO checking CJStadler/rust_hzip against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 08:14:08.573 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/CJStadler/rust_hzip:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 08:14:09.097 INFO [stdout] 28bc8fbaaf9c08a27eac42e95c8d665fffde07840fe3e47524cd5d008cdd06cd
Dec 18 08:14:09.099 INFO running `"docker" "start" "-a" "28bc8fbaaf9c08a27eac42e95c8d665fffde07840fe3e47524cd5d008cdd06cd"`
Dec 18 08:14:11.492 INFO [stderr]     Checking rust_hzip v0.1.0 (/opt/crater/workdir)
Dec 18 08:14:11.881 INFO [stderr] warning: unused import: `bit_vec::BitVec`
Dec 18 08:14:11.881 INFO [stderr]  --> src/decoder.rs:1:5
Dec 18 08:14:11.881 INFO [stderr]   |
Dec 18 08:14:11.881 INFO [stderr] 1 | use bit_vec::BitVec;
Dec 18 08:14:11.881 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 18 08:14:11.881 INFO [stderr]   |
Dec 18 08:14:11.881 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:14:11.881 INFO [stderr] 
Dec 18 08:14:11.900 INFO [stderr] warning: unused import: `code_map::CodeMap`
Dec 18 08:14:11.900 INFO [stderr]  --> src/decoder.rs:3:5
Dec 18 08:14:11.900 INFO [stderr]   |
Dec 18 08:14:11.900 INFO [stderr] 3 | use code_map::CodeMap;
Dec 18 08:14:11.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 08:14:11.900 INFO [stderr] 
Dec 18 08:14:11.900 INFO [stderr] warning: unused import: `code_tree::CodeTree`
Dec 18 08:14:11.900 INFO [stderr]  --> src/decoder.rs:4:5
Dec 18 08:14:11.900 INFO [stderr]   |
Dec 18 08:14:11.900 INFO [stderr] 4 | use code_tree::CodeTree;
Dec 18 08:14:11.900 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:14:11.900 INFO [stderr] 
Dec 18 08:14:11.924 INFO [stderr] warning: unused import: `bit_vec::BitVec`
Dec 18 08:14:11.924 INFO [stderr]  --> src/decoder.rs:1:5
Dec 18 08:14:11.924 INFO [stderr]   |
Dec 18 08:14:11.924 INFO [stderr] 1 | use bit_vec::BitVec;
Dec 18 08:14:11.924 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Dec 18 08:14:11.924 INFO [stderr]   |
Dec 18 08:14:11.924 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 08:14:11.924 INFO [stderr] 
Dec 18 08:14:11.924 INFO [stderr] warning: unused import: `code_map::CodeMap`
Dec 18 08:14:11.924 INFO [stderr]  --> src/decoder.rs:3:5
Dec 18 08:14:11.924 INFO [stderr]   |
Dec 18 08:14:11.924 INFO [stderr] 3 | use code_map::CodeMap;
Dec 18 08:14:11.924 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^
Dec 18 08:14:11.924 INFO [stderr] 
Dec 18 08:14:11.924 INFO [stderr] warning: unused import: `code_tree::CodeTree`
Dec 18 08:14:11.924 INFO [stderr]  --> src/decoder.rs:4:5
Dec 18 08:14:11.924 INFO [stderr]   |
Dec 18 08:14:11.924 INFO [stderr] 4 | use code_tree::CodeTree;
Dec 18 08:14:11.924 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^
Dec 18 08:14:11.924 INFO [stderr] 
Dec 18 08:14:12.014 INFO [stderr] warning: unused variable: `bits_in_last_byte`
Dec 18 08:14:12.014 INFO [stderr]  --> src/decoder.rs:7:9
Dec 18 08:14:12.014 INFO [stderr]   |
Dec 18 08:14:12.014 INFO [stderr] 7 |     let bits_in_last_byte = encoded_bytes.get(0).unwrap();
Dec 18 08:14:12.014 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^ help: consider using `_bits_in_last_byte` instead
Dec 18 08:14:12.014 INFO [stderr]   |
Dec 18 08:14:12.015 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 08:14:12.015 INFO [stderr] 
Dec 18 08:14:12.015 INFO [stderr] warning: unused variable: `code_tree_length`
Dec 18 08:14:12.015 INFO [stderr]  --> src/decoder.rs:8:13
Dec 18 08:14:12.015 INFO [stderr]   |
Dec 18 08:14:12.015 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 18 08:14:12.015 INFO [stderr]   |             ^^^^^^^^^^^^^^^^ help: consider using `_code_tree_length` instead
Dec 18 08:14:12.020 INFO [stderr] 
Dec 18 08:14:12.036 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:14:12.036 INFO [stderr]  --> src/decoder.rs:8:9
Dec 18 08:14:12.036 INFO [stderr]   |
Dec 18 08:14:12.036 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 18 08:14:12.036 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^
Dec 18 08:14:12.036 INFO [stderr]   |         |
Dec 18 08:14:12.036 INFO [stderr]   |         help: remove this `mut`
Dec 18 08:14:12.036 INFO [stderr]   |
Dec 18 08:14:12.036 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 08:14:12.036 INFO [stderr] 
Dec 18 08:14:12.044 INFO [stderr] warning: function is never used: `write_bits_to_file`
Dec 18 08:14:12.044 INFO [stderr]   --> src/write_file.rs:14:1
Dec 18 08:14:12.044 INFO [stderr]    |
Dec 18 08:14:12.044 INFO [stderr] 14 | pub fn write_bits_to_file(filename: &str, contents: &BitVec) {
Dec 18 08:14:12.044 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:14:12.044 INFO [stderr]    |
Dec 18 08:14:12.044 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:14:12.044 INFO [stderr] 
Dec 18 08:14:12.240 INFO [stderr] warning: unused variable: `bits_in_last_byte`
Dec 18 08:14:12.240 INFO [stderr]  --> src/decoder.rs:7:9
Dec 18 08:14:12.240 INFO [stderr]   |
Dec 18 08:14:12.240 INFO [stderr] 7 |     let bits_in_last_byte = encoded_bytes.get(0).unwrap();
Dec 18 08:14:12.240 INFO [stderr]   |         ^^^^^^^^^^^^^^^^^ help: consider using `_bits_in_last_byte` instead
Dec 18 08:14:12.240 INFO [stderr]   |
Dec 18 08:14:12.240 INFO [stderr]   = note: #[warn(unused_variables)] on by default
Dec 18 08:14:12.240 INFO [stderr] 
Dec 18 08:14:12.240 INFO [stderr] warning: unused variable: `code_tree_length`
Dec 18 08:14:12.240 INFO [stderr]  --> src/decoder.rs:8:13
Dec 18 08:14:12.240 INFO [stderr]   |
Dec 18 08:14:12.240 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 18 08:14:12.240 INFO [stderr]   |             ^^^^^^^^^^^^^^^^ help: consider using `_code_tree_length` instead
Dec 18 08:14:12.240 INFO [stderr] 
Dec 18 08:14:12.260 INFO [stderr] warning: variable does not need to be mutable
Dec 18 08:14:12.260 INFO [stderr]  --> src/decoder.rs:8:9
Dec 18 08:14:12.260 INFO [stderr]   |
Dec 18 08:14:12.260 INFO [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
Dec 18 08:14:12.260 INFO [stderr]   |         ----^^^^^^^^^^^^^^^^
Dec 18 08:14:12.260 INFO [stderr]   |         |
Dec 18 08:14:12.260 INFO [stderr]   |         help: remove this `mut`
Dec 18 08:14:12.260 INFO [stderr]   |
Dec 18 08:14:12.260 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 18 08:14:12.260 INFO [stderr] 
Dec 18 08:14:12.268 INFO [stderr] warning: function is never used: `write_bits_to_file`
Dec 18 08:14:12.268 INFO [stderr]   --> src/write_file.rs:14:1
Dec 18 08:14:12.268 INFO [stderr]    |
Dec 18 08:14:12.268 INFO [stderr] 14 | pub fn write_bits_to_file(filename: &str, contents: &BitVec) {
Dec 18 08:14:12.268 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 08:14:12.268 INFO [stderr]    |
Dec 18 08:14:12.268 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 08:14:12.268 INFO [stderr] 
Dec 18 08:14:12.321 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
Dec 18 08:14:13.261 INFO running `"docker" "inspect" "28bc8fbaaf9c08a27eac42e95c8d665fffde07840fe3e47524cd5d008cdd06cd"`
Dec 18 08:14:13.538 INFO running `"docker" "rm" "-f" "28bc8fbaaf9c08a27eac42e95c8d665fffde07840fe3e47524cd5d008cdd06cd"`
Dec 18 08:14:13.823 INFO [stdout] 28bc8fbaaf9c08a27eac42e95c8d665fffde07840fe3e47524cd5d008cdd06cd