[INFO] updating cached repository CJStadler/rust_hzip
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CJStadler/rust_hzip
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CJStadler/rust_hzip" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/CJStadler/rust_hzip"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/CJStadler/rust_hzip'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CJStadler/rust_hzip" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/CJStadler/rust_hzip"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/CJStadler/rust_hzip'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c13657ee8dfd38a46cc04ab47d7b4a58e5b23b11
[INFO] sha for GitHub repo CJStadler/rust_hzip: c13657ee8dfd38a46cc04ab47d7b4a58e5b23b11
[INFO] validating manifest of CJStadler/rust_hzip on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CJStadler/rust_hzip on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CJStadler/rust_hzip
[INFO] finished frobbing CJStadler/rust_hzip
[INFO] frobbed toml for CJStadler/rust_hzip written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/CJStadler/rust_hzip/Cargo.toml
[INFO] started frobbing CJStadler/rust_hzip
[INFO] finished frobbing CJStadler/rust_hzip
[INFO] frobbed toml for CJStadler/rust_hzip written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/CJStadler/rust_hzip/Cargo.toml
[INFO] crate CJStadler/rust_hzip already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CJStadler/rust_hzip against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-3/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/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" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5356d1657bceab25a85e646afbf12b07e2e418a7c98eac91d958ed444348114d
[INFO] running `"docker" "start" "-a" "5356d1657bceab25a85e646afbf12b07e2e418a7c98eac91d958ed444348114d"`
[INFO] [stderr]     Checking rust_hzip v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `bit_vec::BitVec`
[INFO] [stderr]  --> src/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bit_vec::BitVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `code_map::CodeMap`
[INFO] [stderr]  --> src/decoder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use code_map::CodeMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `code_tree::CodeTree`
[INFO] [stderr]  --> src/decoder.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use code_tree::CodeTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `bit_vec::BitVec`
[INFO] [stderr]  --> src/decoder.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use bit_vec::BitVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `code_map::CodeMap`
[INFO] [stderr]  --> src/decoder.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use code_map::CodeMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `code_tree::CodeTree`
[INFO] [stderr]  --> src/decoder.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use code_tree::CodeTree;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bits_in_last_byte`
[INFO] [stderr]  --> src/decoder.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let bits_in_last_byte = encoded_bytes.get(0).unwrap();
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_bits_in_last_byte`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code_tree_length`
[INFO] [stderr]  --> src/decoder.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_code_tree_length`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/decoder.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
[INFO] [stderr]   |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_bits_to_file`
[INFO] [stderr]   --> src/write_file.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn write_bits_to_file(filename: &str, contents: &BitVec) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bits_in_last_byte`
[INFO] [stderr]  --> src/decoder.rs:7:9
[INFO] [stderr]   |
[INFO] [stderr] 7 |     let bits_in_last_byte = encoded_bytes.get(0).unwrap();
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_bits_in_last_byte`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `code_tree_length`
[INFO] [stderr]  --> src/decoder.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_code_tree_length`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/decoder.rs:8:9
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut code_tree_length = LittleEndian::read_u16(encoded_bytes.get(0..2).unwrap());
[INFO] [stderr]   |         ----^^^^^^^^^^^^^^^^
[INFO] [stderr]   |         |
[INFO] [stderr]   |         help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `write_bits_to_file`
[INFO] [stderr]   --> src/write_file.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn write_bits_to_file(filename: &str, contents: &BitVec) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "5356d1657bceab25a85e646afbf12b07e2e418a7c98eac91d958ed444348114d"`
[INFO] running `"docker" "rm" "-f" "5356d1657bceab25a85e646afbf12b07e2e418a7c98eac91d958ed444348114d"`
[INFO] [stdout] 5356d1657bceab25a85e646afbf12b07e2e418a7c98eac91d958ed444348114d