Dec 12 08:18:52.261 INFO checking rust-bsa-extract-0.1.0 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 08:18:52.261 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 12 08:18:52.424 INFO [stdout] 007d68e065e3fa09e669eeb852af85930c0556c135faebb749944575ffab2a93
Dec 12 08:18:52.426 INFO running `"docker" "start" "-a" "007d68e065e3fa09e669eeb852af85930c0556c135faebb749944575ffab2a93"`
Dec 12 08:18:53.073 INFO [stderr] usermod: no changes
Dec 12 08:18:53.133 INFO [stderr]     Checking rust-bsa-extract v0.1.0 (/source)
Dec 12 08:18:53.700 INFO [stderr] warning: unused import: `UNIX_EPOCH`
Dec 12 08:18:53.701 INFO [stderr]   --> src/main.rs:11:29
Dec 12 08:18:53.701 INFO [stderr]    |
Dec 12 08:18:53.701 INFO [stderr] 11 | use std::time::{SystemTime, UNIX_EPOCH};
Dec 12 08:18:53.701 INFO [stderr]    |                             ^^^^^^^^^^
Dec 12 08:18:53.701 INFO [stderr]    |
Dec 12 08:18:53.701 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 08:18:53.701 INFO [stderr] 
Dec 12 08:18:53.816 INFO [stderr] warning: unused import: `UNIX_EPOCH`
Dec 12 08:18:53.816 INFO [stderr]   --> src/main.rs:11:29
Dec 12 08:18:53.816 INFO [stderr]    |
Dec 12 08:18:53.816 INFO [stderr] 11 | use std::time::{SystemTime, UNIX_EPOCH};
Dec 12 08:18:53.816 INFO [stderr]    |                             ^^^^^^^^^^
Dec 12 08:18:53.816 INFO [stderr]    |
Dec 12 08:18:53.816 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 12 08:18:53.816 INFO [stderr] 
Dec 12 08:18:53.819 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.819 INFO [stderr]   --> src/data.rs:15:13
Dec 12 08:18:53.819 INFO [stderr]    |
Dec 12 08:18:53.819 INFO [stderr] 15 |         Err(e) => { return None }
Dec 12 08:18:53.819 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.819 INFO [stderr]    |
Dec 12 08:18:53.819 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 08:18:53.819 INFO [stderr] 
Dec 12 08:18:53.819 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.819 INFO [stderr]   --> src/data.rs:30:13
Dec 12 08:18:53.819 INFO [stderr]    |
Dec 12 08:18:53.819 INFO [stderr] 30 |         Err(e) => { return None }
Dec 12 08:18:53.819 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.819 INFO [stderr] 
Dec 12 08:18:53.819 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.819 INFO [stderr]   --> src/data.rs:41:13
Dec 12 08:18:53.819 INFO [stderr]    |
Dec 12 08:18:53.819 INFO [stderr] 41 |         Err(e) => { return None }
Dec 12 08:18:53.819 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.819 INFO [stderr] 
Dec 12 08:18:53.819 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.819 INFO [stderr]   --> src/data.rs:52:13
Dec 12 08:18:53.819 INFO [stderr]    |
Dec 12 08:18:53.819 INFO [stderr] 52 |         Err(e) => { return None }
Dec 12 08:18:53.819 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.819 INFO [stderr] 
Dec 12 08:18:53.819 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.819 INFO [stderr]   --> src/data.rs:73:13
Dec 12 08:18:53.819 INFO [stderr]    |
Dec 12 08:18:53.819 INFO [stderr] 73 |         Err(e) => { return None }
Dec 12 08:18:53.819 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.819 INFO [stderr] 
Dec 12 08:18:53.819 INFO [stderr] warning: unused variable: `i`
Dec 12 08:18:53.819 INFO [stderr]    --> src/data.rs:207:9
Dec 12 08:18:53.819 INFO [stderr]     |
Dec 12 08:18:53.819 INFO [stderr] 207 |     for i in 0..file_count {
Dec 12 08:18:53.819 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 12 08:18:53.819 INFO [stderr] 
Dec 12 08:18:53.824 INFO [stderr] warning: unused variable: `big_endian`
Dec 12 08:18:53.824 INFO [stderr]    --> src/data.rs:244:84
Dec 12 08:18:53.824 INFO [stderr]     |
Dec 12 08:18:53.824 INFO [stderr] 244 | fn get_uncompressed_file_block(d: &Vec<u8>, file_record: &FileRecord, ninth: bool, big_endian: bool) -> UncompressedFileBlock
Dec 12 08:18:53.824 INFO [stderr]     |                                                                                    ^^^^^^^^^^ help: consider using `_big_endian` instead
Dec 12 08:18:53.824 INFO [stderr] 
Dec 12 08:18:53.824 INFO [stderr] warning: unused variable: `cwd`
Dec 12 08:18:53.824 INFO [stderr]   --> src/main.rs:28:9
Dec 12 08:18:53.824 INFO [stderr]    |
Dec 12 08:18:53.824 INFO [stderr] 28 |     let cwd = env::current_dir().unwrap();
Dec 12 08:18:53.824 INFO [stderr]    |         ^^^ help: consider using `_cwd` instead
Dec 12 08:18:53.824 INFO [stderr] 
Dec 12 08:18:53.824 INFO [stderr] warning: unused variable: `compressed_block`
Dec 12 08:18:53.824 INFO [stderr]    --> src/bsa.rs:165:25
Dec 12 08:18:53.824 INFO [stderr]     |
Dec 12 08:18:53.824 INFO [stderr] 165 |                     let compressed_block = comp.unwrap();
Dec 12 08:18:53.824 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^ help: consider using `_compressed_block` instead
Dec 12 08:18:53.824 INFO [stderr] 
Dec 12 08:18:53.860 INFO [stderr] warning: variant is never constructed: `NamedFiles`
Dec 12 08:18:53.860 INFO [stderr]    --> src/bsa.rs:187:5
Dec 12 08:18:53.860 INFO [stderr]     |
Dec 12 08:18:53.860 INFO [stderr] 187 |     NamedFiles,
Dec 12 08:18:53.860 INFO [stderr]     |     ^^^^^^^^^^
Dec 12 08:18:53.860 INFO [stderr]     |
Dec 12 08:18:53.860 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 08:18:53.860 INFO [stderr] 
Dec 12 08:18:53.860 INFO [stderr] warning: variant is never constructed: `RetainDirs`
Dec 12 08:18:53.860 INFO [stderr]    --> src/bsa.rs:189:5
Dec 12 08:18:53.860 INFO [stderr]     |
Dec 12 08:18:53.860 INFO [stderr] 189 |     RetainDirs,
Dec 12 08:18:53.860 INFO [stderr]     |     ^^^^^^^^^^
Dec 12 08:18:53.860 INFO [stderr] 
Dec 12 08:18:53.860 INFO [stderr] warning: variant is never constructed: `RetainFiles`
Dec 12 08:18:53.860 INFO [stderr]    --> src/bsa.rs:190:5
Dec 12 08:18:53.860 INFO [stderr]     |
Dec 12 08:18:53.860 INFO [stderr] 190 |     RetainFiles,
Dec 12 08:18:53.861 INFO [stderr]     |     ^^^^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: variant is never constructed: `RetainOffsets`
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:191:5
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 191 |     RetainOffsets,
Dec 12 08:18:53.861 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: variant is never constructed: `RetainStrings`
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:193:5
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 193 |     RetainStrings,
Dec 12 08:18:53.861 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: variant is never constructed: `Unknown1`
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:194:5
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 194 |     Unknown1,
Dec 12 08:18:53.861 INFO [stderr]     |     ^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: variant is never constructed: `Unknown2`
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:195:5
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 195 |     Unknown2,
Dec 12 08:18:53.861 INFO [stderr]     |     ^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: variant is never constructed: `Unknown3`
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:196:5
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 196 |     Unknown3
Dec 12 08:18:53.861 INFO [stderr]     |     ^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:158:13
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 158 |             fs::create_dir_all(&path);
Dec 12 08:18:53.861 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 08:18:53.861 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:53.861 INFO [stderr]    --> src/bsa.rs:171:21
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr] 171 |                     fs::write(format!("{}/{}", path, file_name), uncompressed_block.data);
Dec 12 08:18:53.861 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:53.861 INFO [stderr]     |
Dec 12 08:18:53.861 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:53.861 INFO [stderr] 
Dec 12 08:18:53.861 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:53.861 INFO [stderr]   --> src/main.rs:36:17
Dec 12 08:18:53.861 INFO [stderr]    |
Dec 12 08:18:53.861 INFO [stderr] 36 |                 reader.read_to_end(&mut buf);
Dec 12 08:18:53.862 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:53.862 INFO [stderr]    |
Dec 12 08:18:53.862 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:53.862 INFO [stderr] 
Dec 12 08:18:53.960 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.960 INFO [stderr]   --> src/data.rs:15:13
Dec 12 08:18:53.960 INFO [stderr]    |
Dec 12 08:18:53.960 INFO [stderr] 15 |         Err(e) => { return None }
Dec 12 08:18:53.960 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.960 INFO [stderr]    |
Dec 12 08:18:53.960 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 08:18:53.960 INFO [stderr] 
Dec 12 08:18:53.960 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.960 INFO [stderr]   --> src/data.rs:30:13
Dec 12 08:18:53.960 INFO [stderr]    |
Dec 12 08:18:53.960 INFO [stderr] 30 |         Err(e) => { return None }
Dec 12 08:18:53.960 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.960 INFO [stderr] 
Dec 12 08:18:53.960 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.961 INFO [stderr]   --> src/data.rs:41:13
Dec 12 08:18:53.961 INFO [stderr]    |
Dec 12 08:18:53.961 INFO [stderr] 41 |         Err(e) => { return None }
Dec 12 08:18:53.961 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:53.961 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.961 INFO [stderr]   --> src/data.rs:52:13
Dec 12 08:18:53.961 INFO [stderr]    |
Dec 12 08:18:53.961 INFO [stderr] 52 |         Err(e) => { return None }
Dec 12 08:18:53.961 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:53.961 INFO [stderr] warning: unused variable: `e`
Dec 12 08:18:53.961 INFO [stderr]   --> src/data.rs:73:13
Dec 12 08:18:53.961 INFO [stderr]    |
Dec 12 08:18:53.961 INFO [stderr] 73 |         Err(e) => { return None }
Dec 12 08:18:53.961 INFO [stderr]    |             ^ help: consider using `_e` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:53.961 INFO [stderr] warning: unused variable: `i`
Dec 12 08:18:53.961 INFO [stderr]    --> src/data.rs:207:9
Dec 12 08:18:53.961 INFO [stderr]     |
Dec 12 08:18:53.961 INFO [stderr] 207 |     for i in 0..file_count {
Dec 12 08:18:53.961 INFO [stderr]     |         ^ help: consider using `_i` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:53.961 INFO [stderr] warning: unused variable: `big_endian`
Dec 12 08:18:53.961 INFO [stderr]    --> src/data.rs:244:84
Dec 12 08:18:53.961 INFO [stderr]     |
Dec 12 08:18:53.961 INFO [stderr] 244 | fn get_uncompressed_file_block(d: &Vec<u8>, file_record: &FileRecord, ninth: bool, big_endian: bool) -> UncompressedFileBlock
Dec 12 08:18:53.961 INFO [stderr]     |                                                                                    ^^^^^^^^^^ help: consider using `_big_endian` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:53.961 INFO [stderr] warning: unused variable: `cwd`
Dec 12 08:18:53.961 INFO [stderr]   --> src/main.rs:28:9
Dec 12 08:18:53.961 INFO [stderr]    |
Dec 12 08:18:53.961 INFO [stderr] 28 |     let cwd = env::current_dir().unwrap();
Dec 12 08:18:53.961 INFO [stderr]    |         ^^^ help: consider using `_cwd` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:53.961 INFO [stderr] warning: unused variable: `compressed_block`
Dec 12 08:18:53.961 INFO [stderr]    --> src/bsa.rs:165:25
Dec 12 08:18:53.961 INFO [stderr]     |
Dec 12 08:18:53.961 INFO [stderr] 165 |                     let compressed_block = comp.unwrap();
Dec 12 08:18:53.961 INFO [stderr]     |                         ^^^^^^^^^^^^^^^^ help: consider using `_compressed_block` instead
Dec 12 08:18:53.961 INFO [stderr] 
Dec 12 08:18:54.000 INFO [stderr] warning: variant is never constructed: `NamedFiles`
Dec 12 08:18:54.000 INFO [stderr]    --> src/bsa.rs:187:5
Dec 12 08:18:54.000 INFO [stderr]     |
Dec 12 08:18:54.000 INFO [stderr] 187 |     NamedFiles,
Dec 12 08:18:54.000 INFO [stderr]     |     ^^^^^^^^^^
Dec 12 08:18:54.000 INFO [stderr]     |
Dec 12 08:18:54.000 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `RetainDirs`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:189:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 189 |     RetainDirs,
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `RetainFiles`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:190:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 190 |     RetainFiles,
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `RetainOffsets`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:191:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 191 |     RetainOffsets,
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `RetainStrings`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:193:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 193 |     RetainStrings,
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `Unknown1`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:194:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 194 |     Unknown1,
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `Unknown2`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:195:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 195 |     Unknown2,
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: variant is never constructed: `Unknown3`
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:196:5
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 196 |     Unknown3
Dec 12 08:18:54.001 INFO [stderr]     |     ^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:158:13
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 158 |             fs::create_dir_all(&path);
Dec 12 08:18:54.001 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 08:18:54.001 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:54.001 INFO [stderr]    --> src/bsa.rs:171:21
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr] 171 |                     fs::write(format!("{}/{}", path, file_name), uncompressed_block.data);
Dec 12 08:18:54.001 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr]     |
Dec 12 08:18:54.001 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.001 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 08:18:54.001 INFO [stderr]   --> src/main.rs:36:17
Dec 12 08:18:54.001 INFO [stderr]    |
Dec 12 08:18:54.001 INFO [stderr] 36 |                 reader.read_to_end(&mut buf);
Dec 12 08:18:54.001 INFO [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 08:18:54.001 INFO [stderr]    |
Dec 12 08:18:54.001 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 08:18:54.001 INFO [stderr] 
Dec 12 08:18:54.014 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Dec 12 08:18:54.017 INFO [stderr] su: No module specific data is present
Dec 12 08:18:54.490 INFO running `"docker" "inspect" "007d68e065e3fa09e669eeb852af85930c0556c135faebb749944575ffab2a93"`
Dec 12 08:18:54.646 INFO running `"docker" "rm" "-f" "007d68e065e3fa09e669eeb852af85930c0556c135faebb749944575ffab2a93"`
Dec 12 08:18:54.947 INFO [stdout] 007d68e065e3fa09e669eeb852af85930c0556c135faebb749944575ffab2a93