[INFO] fetching crate zippopotamus 0.1.2... [INFO] testing zippopotamus-0.1.2 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate zippopotamus 0.1.2 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate zippopotamus 0.1.2 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate zippopotamus 0.1.2 [INFO] tweaked toml for crates.io crate zippopotamus 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate zippopotamus 0.1.2 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate zippopotamus 0.1.2 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" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 668e788ba5128db8dd1b1d3872c2a80f873f3738b53318968e54deca89bc751d [INFO] running `Command { std: "docker" "start" "-a" "668e788ba5128db8dd1b1d3872c2a80f873f3738b53318968e54deca89bc751d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "668e788ba5128db8dd1b1d3872c2a80f873f3738b53318968e54deca89bc751d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "668e788ba5128db8dd1b1d3872c2a80f873f3738b53318968e54deca89bc751d", kill_on_drop: false }` [INFO] [stdout] 668e788ba5128db8dd1b1d3872c2a80f873f3738b53318968e54deca89bc751d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 06b41e0af30f859ed672182a3d1fb001f2465b3ad89902a564e44b42f2f3faf7 [INFO] running `Command { std: "docker" "start" "-a" "06b41e0af30f859ed672182a3d1fb001f2465b3ad89902a564e44b42f2f3faf7", kill_on_drop: false }` [INFO] [stderr] Compiling smallvec v1.15.0 [INFO] [stderr] Compiling syn v2.0.100 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling percent-encoding v2.3.1 [INFO] [stderr] Compiling hashbrown v0.15.2 [INFO] [stderr] Compiling home v0.5.11 [INFO] [stderr] Compiling qp-trie v0.8.2 [INFO] [stderr] Compiling bitvec v1.0.1 [INFO] [stderr] Compiling form_urlencoded v1.2.1 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling indexmap v2.9.0 [INFO] [stderr] Compiling caffeine v0.2.0 [INFO] [stderr] Compiling priority-queue v2.3.1 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Compiling clap_derive v4.5.40 [INFO] [stderr] Compiling zerofrom-derive v0.1.6 [INFO] [stderr] Compiling yoke-derive v0.7.5 [INFO] [stderr] Compiling zerofrom v0.1.6 [INFO] [stderr] Compiling yoke v0.7.5 [INFO] [stderr] Compiling zerovec v0.10.4 [INFO] [stderr] Compiling clap v4.5.40 [INFO] [stderr] Compiling tinystr v0.7.6 [INFO] [stderr] Compiling icu_collections v1.5.0 [INFO] [stderr] Compiling icu_locid v1.5.0 [INFO] [stderr] Compiling icu_provider v1.5.0 [INFO] [stderr] Compiling serde v1.0.219 [INFO] [stderr] Compiling icu_locid_transform v1.5.0 [INFO] [stderr] Compiling icu_properties v1.5.1 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling icu_normalizer v1.5.0 [INFO] [stderr] Compiling idna_adapter v1.2.0 [INFO] [stderr] Compiling idna v1.0.3 [INFO] [stderr] Compiling url v2.5.4 [INFO] [stderr] Compiling webbrowser v1.0.4 [INFO] [stderr] Compiling zippopotamus v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cell::LazyCell` [INFO] [stdout] --> src/zip.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{cell::LazyCell, collections::HashMap, path::PathBuf}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/huffman.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/huffman.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lz77.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitvec::prelude` [INFO] [stdout] --> src/zip.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bitvec::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | let mut depth = self.dict.iter().max_by(|a, b| { a.1.1.cmp(&b.1.1).then(a.0.cmp(b.0)) }).unwrap().1.1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `zpp` [INFO] [stdout] --> src/huffman.rs:180:13 [INFO] [stdout] | [INFO] [stdout] 180 | let mut zpp = Zpp { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_zpp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 180 | let mut zpp = Zpp { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err_count` [INFO] [stdout] --> src/huffman.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut err_count: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 222 | let mut _err_count: usize = 0; [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MAX_MATCH_LEN` [INFO] [stdout] | [INFO] [stdout] 222 - let mut err_count: usize = 0; [INFO] [stdout] 222 + let mut lz77::MAX_MATCH_LEN: usize = 0; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let mut bit_stream: BitVec = BitVec::from_vec(source.to_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:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | let mut err_count: usize = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/lz77.rs:131:20 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn trie_encode(source: &[u8]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `MAX_LEN` and `limit_length` are never used [INFO] [stdout] --> src/huffman.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 40 | impl HuffmanTree { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | const MAX_LEN: u8 = 15; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn limit_length(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lz77.rs:123:12 [INFO] [stdout] | [INFO] [stdout] 122 | impl Match { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 123 | pub fn new() -> Self { Match { len: 0, offset: 0, next_symbol: 0 } } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 41.56s [INFO] running `Command { std: "docker" "inspect" "06b41e0af30f859ed672182a3d1fb001f2465b3ad89902a564e44b42f2f3faf7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "06b41e0af30f859ed672182a3d1fb001f2465b3ad89902a564e44b42f2f3faf7", kill_on_drop: false }` [INFO] [stdout] 06b41e0af30f859ed672182a3d1fb001f2465b3ad89902a564e44b42f2f3faf7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] bba911811759154a350632ceb595c279193681c7466df86cd1fec733972c41c5 [INFO] running `Command { std: "docker" "start" "-a" "bba911811759154a350632ceb595c279193681c7466df86cd1fec733972c41c5", kill_on_drop: false }` [INFO] [stdout] warning: unused import: `cell::LazyCell` [INFO] [stdout] --> src/zip.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{cell::LazyCell, collections::HashMap, path::PathBuf}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/huffman.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/huffman.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lz77.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitvec::prelude` [INFO] [stdout] --> src/zip.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bitvec::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | let mut depth = self.dict.iter().max_by(|a, b| { a.1.1.cmp(&b.1.1).then(a.0.cmp(b.0)) }).unwrap().1.1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `zpp` [INFO] [stdout] --> src/huffman.rs:180:13 [INFO] [stdout] | [INFO] [stdout] 180 | let mut zpp = Zpp { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_zpp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 180 | let mut zpp = Zpp { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err_count` [INFO] [stdout] --> src/huffman.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut err_count: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 222 | let mut _err_count: usize = 0; [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MAX_MATCH_LEN` [INFO] [stdout] | [INFO] [stdout] 222 - let mut err_count: usize = 0; [INFO] [stdout] 222 + let mut lz77::MAX_MATCH_LEN: usize = 0; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let mut bit_stream: BitVec = BitVec::from_vec(source.to_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:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | let mut err_count: usize = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/lz77.rs:131:20 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn trie_encode(source: &[u8]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `MAX_LEN` and `limit_length` are never used [INFO] [stdout] --> src/huffman.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 40 | impl HuffmanTree { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | const MAX_LEN: u8 = 15; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn limit_length(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lz77.rs:123:12 [INFO] [stdout] | [INFO] [stdout] 122 | impl Match { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 123 | pub fn new() -> Self { Match { len: 0, offset: 0, next_symbol: 0 } } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling zippopotamus v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `cell::LazyCell` [INFO] [stdout] --> src/zip.rs:4:11 [INFO] [stdout] | [INFO] [stdout] 4 | use std::{cell::LazyCell, collections::HashMap, path::PathBuf}; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Output` [INFO] [stdout] --> src/huffman.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use std::process::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::fs` [INFO] [stdout] --> src/huffman.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fs; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/lz77.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `bitvec::prelude` [INFO] [stdout] --> src/zip.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use bitvec::prelude::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:110:13 [INFO] [stdout] | [INFO] [stdout] 110 | let mut depth = self.dict.iter().max_by(|a, b| { a.1.1.cmp(&b.1.1).then(a.0.cmp(b.0)) }).unwrap().1.1; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `zpp` [INFO] [stdout] --> src/huffman.rs:180:13 [INFO] [stdout] | [INFO] [stdout] 180 | let mut zpp = Zpp { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_zpp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:180:9 [INFO] [stdout] | [INFO] [stdout] 180 | let mut zpp = Zpp { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `err_count` [INFO] [stdout] --> src/huffman.rs:222:13 [INFO] [stdout] | [INFO] [stdout] 222 | let mut err_count: usize = 0; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is intentional, prefix it with an underscore [INFO] [stdout] | [INFO] [stdout] 222 | let mut _err_count: usize = 0; [INFO] [stdout] | + [INFO] [stdout] help: you might have meant to pattern match on the similarly named constant `MAX_MATCH_LEN` [INFO] [stdout] | [INFO] [stdout] 222 - let mut err_count: usize = 0; [INFO] [stdout] 222 + let mut lz77::MAX_MATCH_LEN: usize = 0; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/huffman.rs:211:9 [INFO] [stdout] | [INFO] [stdout] 211 | let mut bit_stream: BitVec = BitVec::from_vec(source.to_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:222:9 [INFO] [stdout] | [INFO] [stdout] 222 | let mut err_count: usize = 0; [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `source` [INFO] [stdout] --> src/lz77.rs:131:20 [INFO] [stdout] | [INFO] [stdout] 131 | pub fn trie_encode(source: &[u8]) { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `MAX_LEN` and `limit_length` are never used [INFO] [stdout] --> src/huffman.rs:43:11 [INFO] [stdout] | [INFO] [stdout] 40 | impl HuffmanTree { [INFO] [stdout] | ---------------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 43 | const MAX_LEN: u8 = 15; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 104 | fn limit_length(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/lz77.rs:123:12 [INFO] [stdout] | [INFO] [stdout] 122 | impl Match { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] 123 | pub fn new() -> Self { Match { len: 0, offset: 0, next_symbol: 0 } } [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Rng` and `SeedableRng` [INFO] [stdout] --> tests/tests.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | use rand::{Rng, SeedableRng}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rand::rngs::StdRng` [INFO] [stdout] --> tests/tests.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rand::rngs::StdRng; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `zippopotamus::lz77::*` [INFO] [stdout] --> tests/tests.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use zippopotamus::lz77::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> tests/tests.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.90s [INFO] running `Command { std: "docker" "inspect" "bba911811759154a350632ceb595c279193681c7466df86cd1fec733972c41c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bba911811759154a350632ceb595c279193681c7466df86cd1fec733972c41c5", kill_on_drop: false }` [INFO] [stdout] bba911811759154a350632ceb595c279193681c7466df86cd1fec733972c41c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] c3d593b3c32b0709bb4f038fe0d67156ce7e4f969eb15b884d4ae050c099524f [INFO] running `Command { std: "docker" "start" "-a" "c3d593b3c32b0709bb4f038fe0d67156ce7e4f969eb15b884d4ae050c099524f", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `cell::LazyCell` [INFO] [stderr] --> src/zip.rs:4:11 [INFO] [stderr] | [INFO] [stderr] 4 | use std::{cell::LazyCell, collections::HashMap, path::PathBuf}; [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::process::Output` [INFO] [stderr] --> src/huffman.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::process::Output; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fs` [INFO] [stderr] --> src/huffman.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | use std::fs; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/lz77.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `bitvec::prelude` [INFO] [stderr] --> src/zip.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use bitvec::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/huffman.rs:110:13 [INFO] [stderr] | [INFO] [stderr] 110 | let mut depth = self.dict.iter().max_by(|a, b| { a.1.1.cmp(&b.1.1).then(a.0.cmp(b.0)) }).unwrap().1.1; [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `zpp` [INFO] [stderr] --> src/huffman.rs:180:13 [INFO] [stderr] | [INFO] [stderr] 180 | let mut zpp = Zpp { [INFO] [stderr] | ^^^ help: if this is intentional, prefix it with an underscore: `_zpp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/huffman.rs:180:9 [INFO] [stderr] | [INFO] [stderr] 180 | let mut zpp = Zpp { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `err_count` [INFO] [stderr] --> src/huffman.rs:222:13 [INFO] [stderr] | [INFO] [stderr] 222 | let mut err_count: usize = 0; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: if this is intentional, prefix it with an underscore [INFO] [stderr] | [INFO] [stderr] 222 | let mut _err_count: usize = 0; [INFO] [stderr] | + [INFO] [stderr] help: you might have meant to pattern match on the similarly named constant `MAX_MATCH_LEN` [INFO] [stderr] | [INFO] [stderr] 222 - let mut err_count: usize = 0; [INFO] [stderr] 222 + let mut lz77::MAX_MATCH_LEN: usize = 0; [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/huffman.rs:211:9 [INFO] [stderr] | [INFO] [stderr] 211 | let mut bit_stream: BitVec = BitVec::from_vec(source.to_vec()); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/huffman.rs:222:9 [INFO] [stderr] | [INFO] [stderr] 222 | let mut err_count: usize = 0; [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/lz77.rs:131:20 [INFO] [stderr] | [INFO] [stderr] 131 | pub fn trie_encode(source: &[u8]) { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_source` [INFO] [stderr] [INFO] [stderr] warning: associated items `MAX_LEN` and `limit_length` are never used [INFO] [stderr] --> src/huffman.rs:43:11 [INFO] [stderr] | [INFO] [stderr] 40 | impl HuffmanTree { [INFO] [stderr] | ---------------- associated items in this implementation [INFO] [stderr] ... [INFO] [stderr] 43 | const MAX_LEN: u8 = 15; [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 104 | fn limit_length(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: associated function `new` is never used [INFO] [stderr] --> src/lz77.rs:123:12 [INFO] [stderr] | [INFO] [stderr] 122 | impl Match { [INFO] [stderr] | ---------- associated function in this implementation [INFO] [stderr] 123 | pub fn new() -> Self { Match { len: 0, offset: 0, next_symbol: 0 } } [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `zippopotamus` (lib) generated 14 warnings (run `cargo fix --lib -p zippopotamus` to apply 9 suggestions) [INFO] [stderr] warning: `zippopotamus` (lib test) generated 14 warnings (14 duplicates) [INFO] [stderr] warning: unused imports: `Rng` and `SeedableRng` [INFO] [stderr] --> tests/tests.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | use rand::{Rng, SeedableRng}; [INFO] [stderr] | ^^^ ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `rand::rngs::StdRng` [INFO] [stderr] --> tests/tests.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use rand::rngs::StdRng; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `zippopotamus::lz77::*` [INFO] [stderr] --> tests/tests.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use zippopotamus::lz77::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> tests/tests.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `zippopotamus` (test "tests") generated 4 warnings (run `cargo fix --test "tests"` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zippopotamus-3c7b2fd126192d6c) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/zippopotamus-935a576e53fdee85) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-382387e6df801076) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests zippopotamus [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "c3d593b3c32b0709bb4f038fe0d67156ce7e4f969eb15b884d4ae050c099524f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c3d593b3c32b0709bb4f038fe0d67156ce7e4f969eb15b884d4ae050c099524f", kill_on_drop: false }` [INFO] [stdout] c3d593b3c32b0709bb4f038fe0d67156ce7e4f969eb15b884d4ae050c099524f