Dec 19 12:12:25.092 INFO checking murphym18/huffman_code against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955 Dec 19 12:12:25.092 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-1/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/murphym18/huffman_code:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"` Dec 19 12:12:25.599 INFO [stdout] 74bc717d2035fc9bcf943e429d5d54eec45790ec6e60f8490dcf9d2c8ce933a2 Dec 19 12:12:25.599 INFO running `"docker" "start" "-a" "74bc717d2035fc9bcf943e429d5d54eec45790ec6e60f8490dcf9d2c8ce933a2"` Dec 19 12:12:27.032 INFO [stderr] Checking huffman_code v0.1.0 (/opt/crater/workdir) Dec 19 12:12:27.275 INFO [stderr] warning: unused import: `std::io` Dec 19 12:12:27.275 INFO [stderr] --> src/lib.rs:1:5 Dec 19 12:12:27.275 INFO [stderr] | Dec 19 12:12:27.275 INFO [stderr] 1 | use std::io; Dec 19 12:12:27.275 INFO [stderr] | ^^^^^^^ Dec 19 12:12:27.275 INFO [stderr] | Dec 19 12:12:27.275 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 12:12:27.275 INFO [stderr] Dec 19 12:12:27.275 INFO [stderr] warning: unused import: `Cursor` Dec 19 12:12:27.275 INFO [stderr] --> src/lib.rs:5:28 Dec 19 12:12:27.275 INFO [stderr] | Dec 19 12:12:27.275 INFO [stderr] 5 | use std::io::{Read, Write, Cursor}; Dec 19 12:12:27.276 INFO [stderr] | ^^^^^^ Dec 19 12:12:27.276 INFO [stderr] Dec 19 12:12:27.283 INFO [stderr] warning: unused import: `std::io` Dec 19 12:12:27.283 INFO [stderr] --> src/lib.rs:1:5 Dec 19 12:12:27.283 INFO [stderr] | Dec 19 12:12:27.283 INFO [stderr] 1 | use std::io; Dec 19 12:12:27.283 INFO [stderr] | ^^^^^^^ Dec 19 12:12:27.283 INFO [stderr] | Dec 19 12:12:27.283 INFO [stderr] = note: #[warn(unused_imports)] on by default Dec 19 12:12:27.283 INFO [stderr] Dec 19 12:12:27.283 INFO [stderr] warning: unused import: `Cursor` Dec 19 12:12:27.283 INFO [stderr] --> src/lib.rs:5:28 Dec 19 12:12:27.283 INFO [stderr] | Dec 19 12:12:27.283 INFO [stderr] 5 | use std::io::{Read, Write, Cursor}; Dec 19 12:12:27.283 INFO [stderr] | ^^^^^^ Dec 19 12:12:27.283 INFO [stderr] Dec 19 12:12:27.472 INFO [stderr] warning: unused variable: `left` Dec 19 12:12:27.472 INFO [stderr] --> src/lib.rs:171:26 Dec 19 12:12:27.472 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 171 | Node {count, ref left, ref right} => count, Dec 19 12:12:27.473 INFO [stderr] | ^^^^ help: try ignoring the field: `left: _` Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `right` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:171:36 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 171 | Node {count, ref left, ref right} => count, Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `right: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `value` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:172:22 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 172 | Leaf {count, value} => count Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `value: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:178:15 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 178 | Node {count, ref left, ref right} => { Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:235:19 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 235 | Leaf {count, value} => { Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:240:19 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 240 | Node {count, ref left, ref right} => { Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `p` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:303:9 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 303 | let p = 97 as u8; Dec 19 12:12:27.473 INFO [stderr] | ^ help: consider using `_p` instead Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `value` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:346:26 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 346 | Leaf {count, value} => size = size + count, Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `value: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:395:15 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 395 | Node {count, ref left, ref right} => { Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.473 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.473 INFO [stderr] --> src/lib.rs:403:15 Dec 19 12:12:27.473 INFO [stderr] | Dec 19 12:12:27.473 INFO [stderr] 403 | Leaf {count, value} => { Dec 19 12:12:27.473 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.473 INFO [stderr] Dec 19 12:12:27.484 INFO [stderr] warning: unused variable: `left` Dec 19 12:12:27.484 INFO [stderr] --> src/lib.rs:171:26 Dec 19 12:12:27.484 INFO [stderr] | Dec 19 12:12:27.484 INFO [stderr] 171 | Node {count, ref left, ref right} => count, Dec 19 12:12:27.484 INFO [stderr] | ^^^^ help: try ignoring the field: `left: _` Dec 19 12:12:27.484 INFO [stderr] | Dec 19 12:12:27.484 INFO [stderr] = note: #[warn(unused_variables)] on by default Dec 19 12:12:27.484 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `right` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:171:36 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 171 | Node {count, ref left, ref right} => count, Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `right: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `value` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:172:22 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 172 | Leaf {count, value} => count Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `value: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:178:15 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 178 | Node {count, ref left, ref right} => { Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:235:19 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 235 | Leaf {count, value} => { Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:240:19 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 240 | Node {count, ref left, ref right} => { Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `p` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:303:9 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 303 | let p = 97 as u8; Dec 19 12:12:27.485 INFO [stderr] | ^ help: consider using `_p` instead Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `value` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:346:26 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 346 | Leaf {count, value} => size = size + count, Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `value: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:395:15 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 395 | Node {count, ref left, ref right} => { Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: unused variable: `count` Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:403:15 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 403 | Leaf {count, value} => { Dec 19 12:12:27.485 INFO [stderr] | ^^^^^ help: try ignoring the field: `count: _` Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.485 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.485 INFO [stderr] --> src/lib.rs:215:9 Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] 215 | let mut tree = make_tree(table_vec); Dec 19 12:12:27.485 INFO [stderr] | ----^^^^ Dec 19 12:12:27.485 INFO [stderr] | | Dec 19 12:12:27.485 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.485 INFO [stderr] | Dec 19 12:12:27.485 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 12:12:27.485 INFO [stderr] Dec 19 12:12:27.492 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.492 INFO [stderr] --> src/lib.rs:300:9 Dec 19 12:12:27.492 INFO [stderr] | Dec 19 12:12:27.492 INFO [stderr] 300 | let mut tree = make_tree(v); Dec 19 12:12:27.492 INFO [stderr] | ----^^^^ Dec 19 12:12:27.492 INFO [stderr] | | Dec 19 12:12:27.492 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.492 INFO [stderr] Dec 19 12:12:27.492 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.492 INFO [stderr] --> src/lib.rs:350:9 Dec 19 12:12:27.492 INFO [stderr] | Dec 19 12:12:27.492 INFO [stderr] 350 | let mut buf: [u8; 8] = unsafe { Dec 19 12:12:27.492 INFO [stderr] | ----^^^ Dec 19 12:12:27.492 INFO [stderr] | | Dec 19 12:12:27.492 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.492 INFO [stderr] Dec 19 12:12:27.492 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.492 INFO [stderr] --> src/lib.rs:215:9 Dec 19 12:12:27.492 INFO [stderr] | Dec 19 12:12:27.492 INFO [stderr] 215 | let mut tree = make_tree(table_vec); Dec 19 12:12:27.493 INFO [stderr] | ----^^^^ Dec 19 12:12:27.493 INFO [stderr] | | Dec 19 12:12:27.493 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.493 INFO [stderr] | Dec 19 12:12:27.493 INFO [stderr] = note: #[warn(unused_mut)] on by default Dec 19 12:12:27.493 INFO [stderr] Dec 19 12:12:27.493 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.493 INFO [stderr] --> src/lib.rs:388:9 Dec 19 12:12:27.493 INFO [stderr] | Dec 19 12:12:27.493 INFO [stderr] 388 | let mut bits = BitString::new(); Dec 19 12:12:27.493 INFO [stderr] | ----^^^^ Dec 19 12:12:27.493 INFO [stderr] | | Dec 19 12:12:27.493 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.493 INFO [stderr] Dec 19 12:12:27.493 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.493 INFO [stderr] --> src/lib.rs:393:29 Dec 19 12:12:27.493 INFO [stderr] | Dec 19 12:12:27.493 INFO [stderr] 393 | fn traverse(current: &Tree, mut bits: BitString, table: &mut HashMap) { Dec 19 12:12:27.493 INFO [stderr] | ----^^^^ Dec 19 12:12:27.493 INFO [stderr] | | Dec 19 12:12:27.493 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.493 INFO [stderr] Dec 19 12:12:27.514 INFO [stderr] warning: function is never used: `byte_string` Dec 19 12:12:27.514 INFO [stderr] --> src/lib.rs:138:1 Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] 138 | fn byte_string(data: u8, num_bits: u8) -> String { Dec 19 12:12:27.514 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 12:12:27.514 INFO [stderr] Dec 19 12:12:27.514 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.514 INFO [stderr] --> src/lib.rs:104:9 Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] 104 | self.output.write(&a); Dec 19 12:12:27.514 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 12:12:27.514 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.514 INFO [stderr] Dec 19 12:12:27.514 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.514 INFO [stderr] --> src/lib.rs:236:17 Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] 236 | output.write(&[value]); Dec 19 12:12:27.514 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.514 INFO [stderr] Dec 19 12:12:27.514 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.514 INFO [stderr] --> src/lib.rs:306:5 Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] 306 | f.seek(SeekFrom::Start(0)); Dec 19 12:12:27.514 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.514 INFO [stderr] Dec 19 12:12:27.514 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.514 INFO [stderr] --> src/lib.rs:321:5 Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] 321 | output.write_all(&list_len_buf); Dec 19 12:12:27.514 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.514 INFO [stderr] | Dec 19 12:12:27.514 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.514 INFO [stderr] Dec 19 12:12:27.514 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.515 INFO [stderr] --> src/lib.rs:334:17 Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] 334 | output.write_all(&buf); Dec 19 12:12:27.525 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.525 INFO [stderr] Dec 19 12:12:27.525 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.525 INFO [stderr] --> src/lib.rs:353:5 Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] 353 | output.write_all(&buf); Dec 19 12:12:27.525 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.525 INFO [stderr] Dec 19 12:12:27.525 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.525 INFO [stderr] --> src/lib.rs:300:9 Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] 300 | let mut tree = make_tree(v); Dec 19 12:12:27.525 INFO [stderr] | ----^^^^ Dec 19 12:12:27.525 INFO [stderr] | | Dec 19 12:12:27.525 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.525 INFO [stderr] Dec 19 12:12:27.525 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.525 INFO [stderr] --> src/lib.rs:350:9 Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] 350 | let mut buf: [u8; 8] = unsafe { Dec 19 12:12:27.525 INFO [stderr] | ----^^^ Dec 19 12:12:27.525 INFO [stderr] | | Dec 19 12:12:27.525 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.525 INFO [stderr] Dec 19 12:12:27.525 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.525 INFO [stderr] --> src/lib.rs:388:9 Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] 388 | let mut bits = BitString::new(); Dec 19 12:12:27.525 INFO [stderr] | ----^^^^ Dec 19 12:12:27.525 INFO [stderr] | | Dec 19 12:12:27.525 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.525 INFO [stderr] Dec 19 12:12:27.525 INFO [stderr] warning: variable does not need to be mutable Dec 19 12:12:27.525 INFO [stderr] --> src/lib.rs:393:29 Dec 19 12:12:27.525 INFO [stderr] | Dec 19 12:12:27.525 INFO [stderr] 393 | fn traverse(current: &Tree, mut bits: BitString, table: &mut HashMap) { Dec 19 12:12:27.525 INFO [stderr] | ----^^^^ Dec 19 12:12:27.525 INFO [stderr] | | Dec 19 12:12:27.525 INFO [stderr] | help: remove this `mut` Dec 19 12:12:27.525 INFO [stderr] Dec 19 12:12:27.528 INFO [stderr] warning: function is never used: `byte_string` Dec 19 12:12:27.528 INFO [stderr] --> src/lib.rs:138:1 Dec 19 12:12:27.528 INFO [stderr] | Dec 19 12:12:27.528 INFO [stderr] 138 | fn byte_string(data: u8, num_bits: u8) -> String { Dec 19 12:12:27.528 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.528 INFO [stderr] | Dec 19 12:12:27.528 INFO [stderr] = note: #[warn(dead_code)] on by default Dec 19 12:12:27.528 INFO [stderr] Dec 19 12:12:27.529 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.529 INFO [stderr] --> src/lib.rs:104:9 Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] 104 | self.output.write(&a); Dec 19 12:12:27.529 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] = note: #[warn(unused_must_use)] on by default Dec 19 12:12:27.529 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.529 INFO [stderr] Dec 19 12:12:27.529 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.529 INFO [stderr] --> src/lib.rs:236:17 Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] 236 | output.write(&[value]); Dec 19 12:12:27.529 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.529 INFO [stderr] Dec 19 12:12:27.529 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.529 INFO [stderr] --> src/lib.rs:306:5 Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] 306 | f.seek(SeekFrom::Start(0)); Dec 19 12:12:27.529 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.529 INFO [stderr] Dec 19 12:12:27.529 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.529 INFO [stderr] --> src/lib.rs:321:5 Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] 321 | output.write_all(&list_len_buf); Dec 19 12:12:27.529 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.529 INFO [stderr] Dec 19 12:12:27.529 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.529 INFO [stderr] --> src/lib.rs:334:17 Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] 334 | output.write_all(&buf); Dec 19 12:12:27.529 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.529 INFO [stderr] Dec 19 12:12:27.529 INFO [stderr] warning: unused `std::result::Result` that must be used Dec 19 12:12:27.529 INFO [stderr] --> src/lib.rs:353:5 Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] 353 | output.write_all(&buf); Dec 19 12:12:27.529 INFO [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ Dec 19 12:12:27.529 INFO [stderr] | Dec 19 12:12:27.529 INFO [stderr] = note: this `Result` may be an `Err` variant, which should be handled Dec 19 12:12:27.529 INFO [stderr] Dec 19 12:12:27.993 INFO [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.00s Dec 19 12:12:28.844 INFO running `"docker" "inspect" "74bc717d2035fc9bcf943e429d5d54eec45790ec6e60f8490dcf9d2c8ce933a2"` Dec 19 12:12:29.062 INFO running `"docker" "rm" "-f" "74bc717d2035fc9bcf943e429d5d54eec45790ec6e60f8490dcf9d2c8ce933a2"` Dec 19 12:12:29.296 INFO [stdout] 74bc717d2035fc9bcf943e429d5d54eec45790ec6e60f8490dcf9d2c8ce933a2