[INFO] cloning repository https://github.com/tehsmeely/lizards [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tehsmeely/lizards" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehsmeely%2Flizards", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehsmeely%2Flizards'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ce9ab75aa49ff9bd0a8f7f657f21676b9bdb5073 [INFO] checking tehsmeely/lizards against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehsmeely%2Flizards" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tehsmeely/lizards on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tehsmeely/lizards [INFO] finished tweaking git repo https://github.com/tehsmeely/lizards [INFO] tweaked toml for git repo https://github.com/tehsmeely/lizards written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/tehsmeely/lizards already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dot v0.1.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 182593a001f226d6809e0c9ceeba8f58ff965eb3492a7c2f885bb7b66a5df881 [INFO] running `Command { std: "docker" "start" "-a" "182593a001f226d6809e0c9ceeba8f58ff965eb3492a7c2f885bb7b66a5df881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "182593a001f226d6809e0c9ceeba8f58ff965eb3492a7c2f885bb7b66a5df881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "182593a001f226d6809e0c9ceeba8f58ff965eb3492a7c2f885bb7b66a5df881", kill_on_drop: false }` [INFO] [stdout] 182593a001f226d6809e0c9ceeba8f58ff965eb3492a7c2f885bb7b66a5df881 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bce52230586f279a50342be79e9822f86d2fe5c837469ca73ee6951e48ab859d [INFO] running `Command { std: "docker" "start" "-a" "bce52230586f279a50342be79e9822f86d2fe5c837469ca73ee6951e48ab859d", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling priority-queue v1.2.1 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking dot v0.1.4 [INFO] [stderr] Checking rmp v0.8.11 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking rmp-serde v1.1.0 [INFO] [stderr] Checking lizards v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`, and `Write` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::info` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use log::info; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `output_stream::OutputStream` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use output_stream::OutputStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::file_io::FileInputOutput` [INFO] [stdout] --> src/file_io.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use crate::file_io::FileInputOutput; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/file_io.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CodeMap` [INFO] [stdout] --> src/header.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::huffman::{CodeMap, HuffmanTree}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/header.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::header::Header` [INFO] [stdout] --> src/header.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | use crate::header::Header; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::MAX_LOOKBACK_BUFFER_LEN` [INFO] [stdout] --> src/header.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | use crate::MAX_LOOKBACK_BUFFER_LEN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::huffman::ByteStats` [INFO] [stdout] --> src/helpers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::huffman::ByteStats; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry::Vacant` [INFO] [stdout] --> src/huffman.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::hash_map::Entry::Vacant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/huffman.rs:158:30 [INFO] [stdout] | [INFO] [stdout] 158 | working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 158 - working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] 158 + working_bytes |= value_bits.set_bits >> num_bits_on_new; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Bits`, `ByteStats`, `CodeMap`, `build_tree`, `pack_to_u8`, `tree_to_code_map`, and `unpack_bytes` [INFO] [stdout] --> src/huffman.rs:451:9 [INFO] [stdout] | [INFO] [stdout] 451 | build_tree, pack_to_u8, tree_to_code_map, unpack_bytes, BitStream, Bits, ByteStats, CodeMap, [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^ ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/huffman.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize` and `Ordering` [INFO] [stdout] --> src/huffman.rs:455:29 [INFO] [stdout] | [INFO] [stdout] 455 | use std::sync::atomic::{AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::OffsetLen` [INFO] [stdout] --> src/offset_len.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | use super::OffsetLen; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/output_stream.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufWriter` and `Write` [INFO] [stdout] --> src/output_stream.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Bits` and `CodeMap` [INFO] [stdout] --> src/output_stream.rs:94:26 [INFO] [stdout] | [INFO] [stdout] 94 | use crate::huffman::{Bits, CodeMap}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::output_stream::OutputStream` [INFO] [stdout] --> src/output_stream.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | use crate::output_stream::OutputStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EncodedValue` and `helpers` [INFO] [stdout] --> src/output_stream.rs:96:17 [INFO] [stdout] | [INFO] [stdout] 96 | use crate::{helpers, EncodedValue}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`, and `Write` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::info` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use log::info; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `output_stream::OutputStream` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use output_stream::OutputStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CodeMap` [INFO] [stdout] --> src/header.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::huffman::{CodeMap, HuffmanTree}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/header.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::huffman::ByteStats` [INFO] [stdout] --> src/helpers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::huffman::ByteStats; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry::Vacant` [INFO] [stdout] --> src/huffman.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::hash_map::Entry::Vacant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/huffman.rs:158:30 [INFO] [stdout] | [INFO] [stdout] 158 | working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 158 - working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] 158 + working_bytes |= value_bits.set_bits >> num_bits_on_new; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/output_stream.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_bytes_left` [INFO] [stdout] --> src/decode.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | num_bytes_left, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset_len` [INFO] [stdout] --> src/decode.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | RawByteReadOnFinish::FinaliseMatch(offset_len), [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | let mut count = byte_stats.entry(b).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut writer = BufWriter::new(outf); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut debug_writer = match file_io.debug_encoded_filename.as_deref() { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | mut end_code: &mut Option, [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:204:21 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn unpack_bytes(mut input_bytes: &Vec, tree: &HuffmanTree) -> Vec { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:362:13 [INFO] [stdout] | [INFO] [stdout] 362 | let mut node_id = AtomicUsize::new(1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:614:13 [INFO] [stdout] | [INFO] [stdout] 614 | let mut bitstream = BitStream::new(|| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_bytes_left` [INFO] [stdout] --> src/decode.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | num_bytes_left, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset_len` [INFO] [stdout] --> src/decode.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | RawByteReadOnFinish::FinaliseMatch(offset_len), [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEBUG` is never used [INFO] [stdout] --> src/main.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | const DEBUG: bool = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_bytes` is never used [INFO] [stdout] --> src/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 108 | impl EncodedValue { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 109 | fn to_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FinaliseMatch` is never constructed [INFO] [stdout] --> src/decode.rs:162:5 [INFO] [stdout] | [INFO] [stdout] 160 | enum RawByteReadOnFinish { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 161 | Nothing, [INFO] [stdout] 162 | FinaliseMatch(OffsetLen), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RawByteReadOnFinish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `u8_iter_str` is never used [INFO] [stdout] --> src/helpers.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn u8_iter_str<'a, I: Iterator>(i: I) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/huffman.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl CodeMap { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 16 | pub fn new(codes: HashMap, end_code: Bits) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitstream_more_than_u64` is never used [INFO] [stdout] --> src/huffman.rs:599:8 [INFO] [stdout] | [INFO] [stdout] 599 | fn bitstream_more_than_u64() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | let mut count = byte_stats.entry(b).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut writer = BufWriter::new(outf); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut debug_writer = match file_io.debug_encoded_filename.as_deref() { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/decode.rs:155:5 [INFO] [stdout] | [INFO] [stdout] 155 | writer.write_all(&output_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 155 | let _ = writer.write_all(&output_buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/encode.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | input_file_reader.rewind(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = input_file_reader.rewind(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::option::Option::::insert` that must be used [INFO] [stdout] --> src/huffman.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | end_code.insert(bits.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = end_code.insert(bits.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | self.output.write_all(chunk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = self.output.write_all(chunk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | writer.write_all(&self.buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = writer.write_all(&self.buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | self.output.write_all(&header.to_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = self.output.write_all(&header.to_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/header.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | let mut count = stats.entry(*byte).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = self.output.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = writer.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 54 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | mut end_code: &mut Option, [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:204:21 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn unpack_bytes(mut input_bytes: &Vec, tree: &HuffmanTree) -> Vec { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:362:13 [INFO] [stdout] | [INFO] [stdout] 362 | let mut node_id = AtomicUsize::new(1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:464:17 [INFO] [stdout] | [INFO] [stdout] 464 | let mut count = stats.entry(*byte).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:491:17 [INFO] [stdout] | [INFO] [stdout] 491 | let mut count = stats.entry(*byte).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:554:13 [INFO] [stdout] | [INFO] [stdout] 554 | let mut bitstream = BitStream::new(|| match test_count.fetch_add(1, Ordering::Relaxed) { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:576:13 [INFO] [stdout] | [INFO] [stdout] 576 | let mut bitstream = BitStream::new(|| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:614:13 [INFO] [stdout] | [INFO] [stdout] 614 | let mut bitstream = BitStream::new(|| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/output_stream.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut output_writer = BufWriter::new(&mut output_buf); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEBUG` is never used [INFO] [stdout] --> src/main.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | const DEBUG: bool = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_bytes` is never used [INFO] [stdout] --> src/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 108 | impl EncodedValue { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 109 | fn to_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FinaliseMatch` is never constructed [INFO] [stdout] --> src/decode.rs:162:5 [INFO] [stdout] | [INFO] [stdout] 160 | enum RawByteReadOnFinish { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 161 | Nothing, [INFO] [stdout] 162 | FinaliseMatch(OffsetLen), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RawByteReadOnFinish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitstream_more_than_u64` is never used [INFO] [stdout] --> src/huffman.rs:599:8 [INFO] [stdout] | [INFO] [stdout] 599 | fn bitstream_more_than_u64() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/decode.rs:155:5 [INFO] [stdout] | [INFO] [stdout] 155 | writer.write_all(&output_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 155 | let _ = writer.write_all(&output_buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/encode.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | input_file_reader.rewind(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = input_file_reader.rewind(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::option::Option::::insert` that must be used [INFO] [stdout] --> src/huffman.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | end_code.insert(bits.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = end_code.insert(bits.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | self.output.write_all(chunk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = self.output.write_all(chunk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | writer.write_all(&self.buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = writer.write_all(&self.buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | self.output.write_all(&header.to_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = self.output.write_all(&header.to_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = self.output.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = writer.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 46 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.61s [INFO] running `Command { std: "docker" "inspect" "bce52230586f279a50342be79e9822f86d2fe5c837469ca73ee6951e48ab859d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bce52230586f279a50342be79e9822f86d2fe5c837469ca73ee6951e48ab859d", kill_on_drop: false }` [INFO] [stdout] bce52230586f279a50342be79e9822f86d2fe5c837469ca73ee6951e48ab859d [INFO] checking tehsmeely/lizards against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftehsmeely%2Flizards" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/tehsmeely/lizards on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/tehsmeely/lizards [INFO] finished tweaking git repo https://github.com/tehsmeely/lizards [INFO] tweaked toml for git repo https://github.com/tehsmeely/lizards written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/tehsmeely/lizards already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02a5b01e45f789edaabac57dba4351a5f6566ec43c1f3c4e47dd3bd062b185e3 [INFO] running `Command { std: "docker" "start" "-a" "02a5b01e45f789edaabac57dba4351a5f6566ec43c1f3c4e47dd3bd062b185e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02a5b01e45f789edaabac57dba4351a5f6566ec43c1f3c4e47dd3bd062b185e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02a5b01e45f789edaabac57dba4351a5f6566ec43c1f3c4e47dd3bd062b185e3", kill_on_drop: false }` [INFO] [stdout] 02a5b01e45f789edaabac57dba4351a5f6566ec43c1f3c4e47dd3bd062b185e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c95b87080c1f469756c15b00915432f6752f7e4a8f0d4959996377f88383499c [INFO] running `Command { std: "docker" "start" "-a" "c95b87080c1f469756c15b00915432f6752f7e4a8f0d4959996377f88383499c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling indexmap v1.8.1 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling priority-queue v1.2.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling paste v1.0.7 [INFO] [stderr] Checking os_str_bytes v6.0.1 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Checking clap_lex v0.2.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking dot v0.1.4 [INFO] [stderr] Checking rmp v0.8.11 [INFO] [stderr] Compiling clap_derive v3.1.18 [INFO] [stderr] Checking clap v3.1.18 [INFO] [stderr] Checking rmp-serde v1.1.0 [INFO] [stderr] Checking lizards v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`, and `Write` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::info` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use log::info; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `output_stream::OutputStream` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use output_stream::OutputStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::file_io::FileInputOutput` [INFO] [stdout] --> src/file_io.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | use crate::file_io::FileInputOutput; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/file_io.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CodeMap` [INFO] [stdout] --> src/header.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::huffman::{CodeMap, HuffmanTree}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/header.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::header::Header` [INFO] [stdout] --> src/header.rs:79:9 [INFO] [stdout] | [INFO] [stdout] 79 | use crate::header::Header; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::MAX_LOOKBACK_BUFFER_LEN` [INFO] [stdout] --> src/header.rs:80:9 [INFO] [stdout] | [INFO] [stdout] 80 | use crate::MAX_LOOKBACK_BUFFER_LEN; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::huffman::ByteStats` [INFO] [stdout] --> src/helpers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::huffman::ByteStats; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry::Vacant` [INFO] [stdout] --> src/huffman.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::hash_map::Entry::Vacant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/huffman.rs:158:30 [INFO] [stdout] | [INFO] [stdout] 158 | working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 158 - working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] 158 + working_bytes |= value_bits.set_bits >> num_bits_on_new; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Bits`, `ByteStats`, `CodeMap`, `build_tree`, `pack_to_u8`, `tree_to_code_map`, and `unpack_bytes` [INFO] [stdout] --> src/huffman.rs:451:9 [INFO] [stdout] | [INFO] [stdout] 451 | build_tree, pack_to_u8, tree_to_code_map, unpack_bytes, BitStream, Bits, ByteStats, CodeMap, [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ ^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^ ^^^^ ^^^^^^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/huffman.rs:453:9 [INFO] [stdout] | [INFO] [stdout] 453 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `AtomicUsize` and `Ordering` [INFO] [stdout] --> src/huffman.rs:455:29 [INFO] [stdout] | [INFO] [stdout] 455 | use std::sync::atomic::{AtomicUsize, Ordering}; [INFO] [stdout] | ^^^^^^^^^^^ ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::OffsetLen` [INFO] [stdout] --> src/offset_len.rs:139:9 [INFO] [stdout] | [INFO] [stdout] 139 | use super::OffsetLen; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/output_stream.rs:91:9 [INFO] [stdout] | [INFO] [stdout] 91 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufWriter` and `Write` [INFO] [stdout] --> src/output_stream.rs:92:19 [INFO] [stdout] | [INFO] [stdout] 92 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Bits` and `CodeMap` [INFO] [stdout] --> src/output_stream.rs:94:26 [INFO] [stdout] | [INFO] [stdout] 94 | use crate::huffman::{Bits, CodeMap}; [INFO] [stdout] | ^^^^ ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::output_stream::OutputStream` [INFO] [stdout] --> src/output_stream.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 95 | use crate::output_stream::OutputStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `EncodedValue` and `helpers` [INFO] [stdout] --> src/output_stream.rs:96:17 [INFO] [stdout] | [INFO] [stdout] 96 | use crate::{helpers, EncodedValue}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs::File` [INFO] [stdout] --> src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::fs::File; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`, `BufWriter`, `Read`, and `Write` [INFO] [stdout] --> src/main.rs:3:15 [INFO] [stdout] | [INFO] [stdout] 3 | use std::io::{BufRead, BufReader, BufWriter, Read, Write}; [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^ ^^^^^^^^^ ^^^^ ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ops::Range` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ops::Range; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::PathBuf` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `log::info` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use log::info; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `output_stream::OutputStream` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use output_stream::OutputStream; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/main.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CodeMap` [INFO] [stdout] --> src/header.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::huffman::{CodeMap, HuffmanTree}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::VecDeque` [INFO] [stdout] --> src/header.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::huffman::ByteStats` [INFO] [stdout] --> src/helpers.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use crate::huffman::ByteStats; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::hash_map::Entry::Vacant` [INFO] [stdout] --> src/huffman.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::hash_map::Entry::Vacant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/huffman.rs:158:30 [INFO] [stdout] | [INFO] [stdout] 158 | working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 158 - working_bytes |= (value_bits.set_bits >> num_bits_on_new); [INFO] [stdout] 158 + working_bytes |= value_bits.set_bits >> num_bits_on_new; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> src/output_stream.rs:92:30 [INFO] [stdout] | [INFO] [stdout] 92 | use std::io::{BufWriter, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_bytes_left` [INFO] [stdout] --> src/decode.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | num_bytes_left, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset_len` [INFO] [stdout] --> src/decode.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | RawByteReadOnFinish::FinaliseMatch(offset_len), [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | let mut count = byte_stats.entry(b).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut writer = BufWriter::new(outf); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut debug_writer = match file_io.debug_encoded_filename.as_deref() { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `num_bytes_left` [INFO] [stdout] --> src/decode.rs:139:13 [INFO] [stdout] | [INFO] [stdout] 139 | num_bytes_left, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_num_bytes_left` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `offset_len` [INFO] [stdout] --> src/decode.rs:140:48 [INFO] [stdout] | [INFO] [stdout] 140 | RawByteReadOnFinish::FinaliseMatch(offset_len), [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset_len` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | mut end_code: &mut Option, [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:204:21 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn unpack_bytes(mut input_bytes: &Vec, tree: &HuffmanTree) -> Vec { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:19:25 [INFO] [stdout] | [INFO] [stdout] 19 | let mut count = byte_stats.entry(b).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:44:9 [INFO] [stdout] | [INFO] [stdout] 44 | let mut writer = BufWriter::new(outf); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/encode.rs:45:9 [INFO] [stdout] | [INFO] [stdout] 45 | let mut debug_writer = match file_io.debug_encoded_filename.as_deref() { [INFO] [stdout] | ----^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:362:13 [INFO] [stdout] | [INFO] [stdout] 362 | let mut node_id = AtomicUsize::new(1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:614:13 [INFO] [stdout] | [INFO] [stdout] 614 | let mut bitstream = BitStream::new(|| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/header.rs:90:17 [INFO] [stdout] | [INFO] [stdout] 90 | let mut count = stats.entry(*byte).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:93:9 [INFO] [stdout] | [INFO] [stdout] 93 | mut end_code: &mut Option, [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `DEBUG` is never used [INFO] [stdout] --> src/main.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | const DEBUG: bool = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_bytes` is never used [INFO] [stdout] --> src/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 108 | impl EncodedValue { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 109 | fn to_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FinaliseMatch` is never constructed [INFO] [stdout] --> src/decode.rs:162:5 [INFO] [stdout] | [INFO] [stdout] 160 | enum RawByteReadOnFinish { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 161 | Nothing, [INFO] [stdout] 162 | FinaliseMatch(OffsetLen), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RawByteReadOnFinish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `u8_iter_str` is never used [INFO] [stdout] --> src/helpers.rs:60:8 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn u8_iter_str<'a, I: Iterator>(i: I) -> String { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/huffman.rs:16:12 [INFO] [stdout] | [INFO] [stdout] 15 | impl CodeMap { [INFO] [stdout] | ------------ associated function in this implementation [INFO] [stdout] 16 | pub fn new(codes: HashMap, end_code: Bits) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitstream_more_than_u64` is never used [INFO] [stdout] --> src/huffman.rs:599:8 [INFO] [stdout] | [INFO] [stdout] 599 | fn bitstream_more_than_u64() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:204:21 [INFO] [stdout] | [INFO] [stdout] 204 | pub fn unpack_bytes(mut input_bytes: &Vec, tree: &HuffmanTree) -> Vec { [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:362:13 [INFO] [stdout] | [INFO] [stdout] 362 | let mut node_id = AtomicUsize::new(1); [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/decode.rs:155:5 [INFO] [stdout] | [INFO] [stdout] 155 | writer.write_all(&output_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 155 | let _ = writer.write_all(&output_buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/encode.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | input_file_reader.rewind(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = input_file_reader.rewind(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:464:17 [INFO] [stdout] | [INFO] [stdout] 464 | let mut count = stats.entry(*byte).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/helpers.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn u8_iter_str<'a, I: Iterator>(i: I) -> String { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | i.map(|x| format!("{:08b}", x)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::option::Option::::insert` that must be used [INFO] [stdout] --> src/huffman.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | end_code.insert(bits.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = end_code.insert(bits.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:491:17 [INFO] [stdout] | [INFO] [stdout] 491 | let mut count = stats.entry(*byte).or_insert(0); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | self.output.write_all(chunk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = self.output.write_all(chunk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | writer.write_all(&self.buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = writer.write_all(&self.buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | self.output.write_all(&header.to_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = self.output.write_all(&header.to_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = self.output.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = writer.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:554:13 [INFO] [stdout] | [INFO] [stdout] 554 | let mut bitstream = BitStream::new(|| match test_count.fetch_add(1, Ordering::Relaxed) { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:576:13 [INFO] [stdout] | [INFO] [stdout] 576 | let mut bitstream = BitStream::new(|| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:614:13 [INFO] [stdout] | [INFO] [stdout] 614 | let mut bitstream = BitStream::new(|| { [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 54 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/output_stream.rs:102:17 [INFO] [stdout] | [INFO] [stdout] 102 | let mut output_writer = BufWriter::new(&mut output_buf); [INFO] [stdout] | ----^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lizards` (bin "lizards") due to 2 previous errors; 54 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: constant `DEBUG` is never used [INFO] [stdout] --> src/main.rs:30:7 [INFO] [stdout] | [INFO] [stdout] 30 | const DEBUG: bool = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `to_bytes` is never used [INFO] [stdout] --> src/main.rs:109:8 [INFO] [stdout] | [INFO] [stdout] 108 | impl EncodedValue { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] 109 | fn to_bytes(&self) -> Vec { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `FinaliseMatch` is never constructed [INFO] [stdout] --> src/decode.rs:162:5 [INFO] [stdout] | [INFO] [stdout] 160 | enum RawByteReadOnFinish { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] 161 | Nothing, [INFO] [stdout] 162 | FinaliseMatch(OffsetLen), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RawByteReadOnFinish` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bitstream_more_than_u64` is never used [INFO] [stdout] --> src/huffman.rs:599:8 [INFO] [stdout] | [INFO] [stdout] 599 | fn bitstream_more_than_u64() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/decode.rs:155:5 [INFO] [stdout] | [INFO] [stdout] 155 | writer.write_all(&output_buffer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 155 | let _ = writer.write_all(&output_buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/encode.rs:57:5 [INFO] [stdout] | [INFO] [stdout] 57 | input_file_reader.rewind(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = input_file_reader.rewind(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/helpers.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 60 | pub fn u8_iter_str<'a, I: Iterator>(i: I) -> String { [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 61 | i.map(|x| format!("{:08b}", x)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::option::Option::::insert` that must be used [INFO] [stdout] --> src/huffman.rs:99:13 [INFO] [stdout] | [INFO] [stdout] 99 | end_code.insert(bits.clone()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: if you intended to set a value, consider assignment instead [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 99 | let _ = end_code.insert(bits.clone()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 36 | let _ = self.output.write(&[chunk_marker.to_u8()]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:37:13 [INFO] [stdout] | [INFO] [stdout] 37 | self.output.write_all(chunk); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 37 | let _ = self.output.write_all(chunk); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:39:17 [INFO] [stdout] | [INFO] [stdout] 39 | writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 39 | let _ = writer.write_all(&chunk_marker.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:49:17 [INFO] [stdout] | [INFO] [stdout] 49 | writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 49 | let _ = writer.write_all(&bytes.into_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:50:17 [INFO] [stdout] | [INFO] [stdout] 50 | writer.write_all(&self.buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = writer.write_all(&self.buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | self.output.write_all(&header.to_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = self.output.write_all(&header.to_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:59:13 [INFO] [stdout] | [INFO] [stdout] 59 | writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 59 | let _ = writer.write_all(&header.to_debug_bytes()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:74:21 [INFO] [stdout] | [INFO] [stdout] 74 | writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 74 | let _ = writer.write_all(&offset_len.to_bytes_debug()); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:83:9 [INFO] [stdout] | [INFO] [stdout] 83 | self.output.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 83 | let _ = self.output.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/output_stream.rs:85:13 [INFO] [stdout] | [INFO] [stdout] 85 | writer.flush(); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 85 | let _ = writer.flush(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 46 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lizards` (bin "lizards" test) due to 2 previous errors; 46 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c95b87080c1f469756c15b00915432f6752f7e4a8f0d4959996377f88383499c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c95b87080c1f469756c15b00915432f6752f7e4a8f0d4959996377f88383499c", kill_on_drop: false }` [INFO] [stdout] c95b87080c1f469756c15b00915432f6752f7e4a8f0d4959996377f88383499c