[INFO] cloning repository https://github.com/rhellwege/stegosaurus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rhellwege/stegosaurus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhellwege%2Fstegosaurus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhellwege%2Fstegosaurus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f883ae99055afa1f89432eda91c92744ec3d8e3
[INFO] testing rhellwege/stegosaurus against beta-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhellwege%2Fstegosaurus" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rhellwege/stegosaurus
[INFO] finished tweaking git repo https://github.com/rhellwege/stegosaurus
[INFO] tweaked toml for git repo https://github.com/rhellwege/stegosaurus written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rhellwege/stegosaurus on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rhellwege/stegosaurus 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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93e363eea86673eb4d9b722498f5055b37eed5e3cb2fd145fc93bd54cb45c166
[INFO] running `Command { std: "docker" "start" "-a" "93e363eea86673eb4d9b722498f5055b37eed5e3cb2fd145fc93bd54cb45c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93e363eea86673eb4d9b722498f5055b37eed5e3cb2fd145fc93bd54cb45c166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93e363eea86673eb4d9b722498f5055b37eed5e3cb2fd145fc93bd54cb45c166", kill_on_drop: false }`
[INFO] [stdout] 93e363eea86673eb4d9b722498f5055b37eed5e3cb2fd145fc93bd54cb45c166
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 974a2d37d373a88c659cbae98df4b8ccafb4c7f453dec98f247af4f6b3dc6f48
[INFO] running `Command { std: "docker" "start" "-a" "974a2d37d373a88c659cbae98df4b8ccafb4c7f453dec98f247af4f6b3dc6f48", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.6
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling num-iter v0.1.45
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]    Compiling clap v4.5.53
[INFO] [stderr]    Compiling stegosaurus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compression/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{BufReader, Read, Write},
[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 imports: `Context`, `Result`, and `anyhow`
[INFO] [stdout]  --> src/compression/arith.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{Context, Result, anyhow};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compression/arith.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/compression/bitstream.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{Context, Result, anyhow};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `cell::RefCell`, and `rc::Rc`
[INFO] [stdout]  --> src/compression/bwt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{BufRead, Cursor, Read, Write},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 4 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::ToPrimitive`
[INFO] [stdout]  --> src/compression/bwt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num::ToPrimitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RcReader`
[INFO] [stdout]  --> src/compression/bwt.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::compression::{DataTransform, RcReader, bitstream::BitStream};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compression/rle.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arg` and `Command`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{Arg, Command, Parser};
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `BufWriter`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, BufWriter, Read, Write, stdin, stdout};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RleDecoder` and `RleEncoder`
[INFO] [stdout]   --> src/main.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::compression::rle::{RleDecoder, RleEncoder};
[INFO] [stdout]    |                               ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/compression/bwt.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use rayon::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/compression/bitstream.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for i in 0..full_bytes {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compression/bitstream.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |         for i in 0..full_bytes {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compression/bitstream.rs:409:13
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for i in 0..full_bytes {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/compression/bwt.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         t: &[bool],
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nread`
[INFO] [stdout]    --> src/compression/bwt.rs:596:21
[INFO] [stdout]     |
[INFO] [stdout] 596 |                 let nread = bs
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_nread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nwrite`
[INFO] [stdout]    --> src/compression/bwt.rs:609:17
[INFO] [stdout]     |
[INFO] [stdout] 609 |             let nwrite = self.output_buffer.write(&original)?;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nwrite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol_b`
[INFO] [stdout]   --> src/compression/bzrle.rs:22:55
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn bijective_to_u32(bijective: &[u16], symbol_a: u16, symbol_b: u16) -> u32 {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BitStreamDataTransform` is never used
[INFO] [stdout]   --> src/compression/mod.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub trait BitStreamDataTransform: DataTransform {
[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/compression/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Pipeline {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EOF_SYMBOL` is never used
[INFO] [stdout]   --> src/compression/arith.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const EOF_SYMBOL: u16 = 256;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_input_symbol` is never read
[INFO] [stdout]   --> src/compression/arith.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct AdaptiveModel {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 24 |     cum_freqs: Vec<u32>,
[INFO] [stdout] 25 |     max_input_symbol: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_adaptive_bytes` and `clear` are never used
[INFO] [stdout]    --> src/compression/arith.rs:124:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl AriEncoder {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn new_adaptive_bytes() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new_adaptive_bytes` and `clear` are never used
[INFO] [stdout]    --> src/compression/arith.rs:308:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | impl AriDecoder {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 308 |     pub fn new_adaptive_bytes() -> Self {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_byte_offset`, `peek_n_bits_u64_offset`, `peek_n_bits_u64`, `flush`, and `clear` are never used
[INFO] [stdout]    --> src/compression/bitstream.rs:338:12
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl BitStream {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 338 |     pub fn peek_byte_offset(&mut self, buf_byte: &mut u8, offset_bits: usize) -> Result<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |     pub fn peek_n_bits_u64_offset(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn peek_n_bits_u64(&mut self, n: u8, dest: &mut u64) -> Result<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 436 |     pub fn flush(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 445 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `slow_sa` is never used
[INFO] [stdout]    --> src/compression/bwt.rs:311:4
[INFO] [stdout]     |
[INFO] [stdout] 311 | fn slow_sa(s: &[u8]) -> Vec<i32> {
[INFO] [stdout]     |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_with_payload_transform` is never used
[INFO] [stdout]    --> src/compression/bwt.rs:444:12
[INFO] [stdout]     |
[INFO] [stdout] 432 | impl BwtEncoder {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 444 |     pub fn new_with_payload_transform(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `payload_transform` is never read
[INFO] [stdout]    --> src/compression/bwt.rs:496:5
[INFO] [stdout]     |
[INFO] [stdout] 494 | pub struct BwtDecoder {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 495 |     src: Option<BitStream>,
[INFO] [stdout] 496 |     payload_transform: Option<Box<dyn DataTransform>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_with_payload_transform` is never used
[INFO] [stdout]    --> src/compression/bwt.rs:524:12
[INFO] [stdout]     |
[INFO] [stdout] 511 | impl BwtDecoder {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 524 |     pub fn new_with_payload_transform(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RUN_THRESHOLD` is never used
[INFO] [stdout]  --> src/compression/rle.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub const RUN_THRESHOLD: u8 = 4;
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `MAX_REPEAT` is never used
[INFO] [stdout]  --> src/compression/rle.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub const MAX_REPEAT: u8 = u8::MAX;
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RleEncoder` is never constructed
[INFO] [stdout]  --> src/compression/rle.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct RleEncoder {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next_byte` are never used
[INFO] [stdout]   --> src/compression/rle.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl RleEncoder {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 16 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next_byte(&mut self) -> Option<u8> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RleDecoder` is never constructed
[INFO] [stdout]    --> src/compression/rle.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub struct RleDecoder {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `next_byte` are never used
[INFO] [stdout]    --> src/compression/rle.rs:113:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl RleDecoder {
[INFO] [stdout]     | --------------- associated items in this implementation
[INFO] [stdout] 113 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn next_byte(&mut self) -> Option<u8> {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pipeline.read_to_end(&mut output);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let _ = pipeline.read_to_end(&mut output);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     output_stream.write_all(&output);
[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] 73 |     let _ = output_stream.write_all(&output);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.48s
[INFO] running `Command { std: "docker" "inspect" "974a2d37d373a88c659cbae98df4b8ccafb4c7f453dec98f247af4f6b3dc6f48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "974a2d37d373a88c659cbae98df4b8ccafb4c7f453dec98f247af4f6b3dc6f48", kill_on_drop: false }`
[INFO] [stdout] 974a2d37d373a88c659cbae98df4b8ccafb4c7f453dec98f247af4f6b3dc6f48
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbbee020965950a30ed54110c099f2abcecd4a71318df40282e364c67075d682
[INFO] running `Command { std: "docker" "start" "-a" "bbbee020965950a30ed54110c099f2abcecd4a71318df40282e364c67075d682", kill_on_drop: false }`
[INFO] [stderr]    Compiling stegosaurus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compression/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     io::{BufReader, Read, Write},
[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 imports: `Context`, `Result`, and `anyhow`
[INFO] [stdout]  --> src/compression/arith.rs:4:14
[INFO] [stdout]   |
[INFO] [stdout] 4 | use anyhow::{Context, Result, anyhow};
[INFO] [stdout]   |              ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compression/arith.rs:5:21
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/compression/bitstream.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 | use anyhow::{Context, Result, anyhow};
[INFO] [stdout]   |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead`, `cell::RefCell`, and `rc::Rc`
[INFO] [stdout]  --> src/compression/bwt.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     cell::RefCell,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 3 |     io::{BufRead, Cursor, Read, Write},
[INFO] [stdout]   |          ^^^^^^^
[INFO] [stdout] 4 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num::ToPrimitive`
[INFO] [stdout]  --> src/compression/bwt.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use num::ToPrimitive;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RcReader`
[INFO] [stdout]  --> src/compression/bwt.rs:9:41
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::compression::{DataTransform, RcReader, bitstream::BitStream};
[INFO] [stdout]   |                                         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/compression/rle.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{Read, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Arg` and `Command`
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{Arg, Command, Parser};
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufReader` and `BufWriter`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufReader, BufWriter, Read, Write, stdin, stdout};
[INFO] [stdout]   |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RleDecoder` and `RleEncoder`
[INFO] [stdout]   --> src/main.rs:12:31
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::compression::rle::{RleDecoder, RleEncoder};
[INFO] [stdout]    |                               ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufReader`
[INFO] [stdout]   --> src/main.rs:80:14
[INFO] [stdout]    |
[INFO] [stdout] 80 |         io::{BufReader, Cursor, Read},
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/compression/bwt.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |     use rayon::prelude::*;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/compression/bitstream.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         for i in 0..full_bytes {
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compression/bitstream.rs:354:13
[INFO] [stdout]     |
[INFO] [stdout] 354 |         for i in 0..full_bytes {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/compression/bitstream.rs:409:13
[INFO] [stdout]     |
[INFO] [stdout] 409 |         for i in 0..full_bytes {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compression/bitstream.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         let mut buf: u64 = 0;
[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: `buf`
[INFO] [stdout]    --> src/compression/bitstream.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         let mut buf: u64 = 0;
[INFO] [stdout]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/compression/bwt.rs:248:9
[INFO] [stdout]     |
[INFO] [stdout] 248 |         t: &[bool],
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nread`
[INFO] [stdout]    --> src/compression/bwt.rs:596:21
[INFO] [stdout]     |
[INFO] [stdout] 596 |                 let nread = bs
[INFO] [stdout]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_nread`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `nwrite`
[INFO] [stdout]    --> src/compression/bwt.rs:609:17
[INFO] [stdout]     |
[INFO] [stdout] 609 |             let nwrite = self.output_buffer.write(&original)?;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nwrite`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compression/bwt.rs:627:13
[INFO] [stdout]     |
[INFO] [stdout] 627 | ...   let s = b"mmiiabscbnnenwgorigmrimskcv,smdklrkgmer s.v serv mmer vme mv msevr ,mer vme slkrjnglkjrgkej b sejb kje skbj krje sk...
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compression/bwt.rs:653:13
[INFO] [stdout]     |
[INFO] [stdout] 653 |         let s = b"PINEAPPLE";
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/compression/bwt.rs:654:13
[INFO] [stdout]     |
[INFO] [stdout] 654 | ...   let s = b"mmiiabsciamgreaitifo fpaimfiamgreatifobnnenwgorigmrimskcv,smdklrkgmer s.v serv mmer vme mv msevr ,mer vme slkrjnglk...
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `symbol_b`
[INFO] [stdout]   --> src/compression/bzrle.rs:22:55
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn bijective_to_u32(bijective: &[u16], symbol_a: u16, symbol_b: u16) -> u32 {
[INFO] [stdout]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/compression/mod.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut bs = 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/compression/mod.rs:129:13
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut bs2 = BitStream::new();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `BitStreamDataTransform` is never used
[INFO] [stdout]   --> src/compression/mod.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub trait BitStreamDataTransform: DataTransform {
[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/compression/mod.rs:56:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl Pipeline {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 56 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `EOF_SYMBOL` is never used
[INFO] [stdout]   --> src/compression/arith.rs:14:7
[INFO] [stdout]    |
[INFO] [stdout] 14 | const EOF_SYMBOL: u16 = 256;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `max_input_symbol` is never read
[INFO] [stdout]   --> src/compression/arith.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct AdaptiveModel {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 24 |     cum_freqs: Vec<u32>,
[INFO] [stdout] 25 |     max_input_symbol: u16,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/compression/arith.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 104 | impl AriEncoder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clear` is never used
[INFO] [stdout]    --> src/compression/arith.rs:363:12
[INFO] [stdout]     |
[INFO] [stdout] 288 | impl AriDecoder {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 363 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek_byte_offset`, `peek_n_bits_u64_offset`, `peek_n_bits_u64`, `flush`, and `clear` are never used
[INFO] [stdout]    --> src/compression/bitstream.rs:338:12
[INFO] [stdout]     |
[INFO] [stdout]  18 | impl BitStream {
[INFO] [stdout]     | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 338 |     pub fn peek_byte_offset(&mut self, buf_byte: &mut u8, offset_bits: usize) -> Result<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 342 |     pub fn peek_n_bits_u64_offset(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 381 |     pub fn peek_n_bits_u64(&mut self, n: u8, dest: &mut u64) -> Result<usize> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 436 |     pub fn flush(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 445 |     pub fn clear(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_with_payload_transform` is never used
[INFO] [stdout]    --> src/compression/bwt.rs:444:12
[INFO] [stdout]     |
[INFO] [stdout] 432 | impl BwtEncoder {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 444 |     pub fn new_with_payload_transform(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `payload_transform` is never read
[INFO] [stdout]    --> src/compression/bwt.rs:496:5
[INFO] [stdout]     |
[INFO] [stdout] 494 | pub struct BwtDecoder {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 495 |     src: Option<BitStream>,
[INFO] [stdout] 496 |     payload_transform: Option<Box<dyn DataTransform>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_with_payload_transform` is never used
[INFO] [stdout]    --> src/compression/bwt.rs:524:12
[INFO] [stdout]     |
[INFO] [stdout] 511 | impl BwtDecoder {
[INFO] [stdout]     | --------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 524 |     pub fn new_with_payload_transform(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     pipeline.read_to_end(&mut output);
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let _ = pipeline.read_to_end(&mut output);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:73:5
[INFO] [stdout]    |
[INFO] [stdout] 73 |     output_stream.write_all(&output);
[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] 73 |     let _ = output_stream.write_all(&output);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compression/bzrle.rs:206:13
[INFO] [stdout]     |
[INFO] [stdout] 206 |             encoder.read_to_end(&mut encoded);
[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] 206 |             let _ = encoder.read_to_end(&mut encoded);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compression/bzrle.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             decoder.read_to_end(&mut output);
[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] 210 |             let _ = decoder.read_to_end(&mut output);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compression/mtf.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         p.read_to_end(&mut output);
[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] 157 |         let _ = p.read_to_end(&mut output);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `test_cases` should have an upper case name
[INFO] [stdout]    --> src/compression/rle.rs:206:12
[INFO] [stdout]     |
[INFO] [stdout] 206 |     static test_cases: &[(&[u8], &[u8])] = &[
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]     |
[INFO] [stdout] 206 -     static test_cases: &[(&[u8], &[u8])] = &[
[INFO] [stdout] 206 +     static TEST_CASES: &[(&[u8], &[u8])] = &[
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/compression/rle.rs:233:70
[INFO] [stdout]     |
[INFO] [stdout] 233 |             encoder.attach_reader(Box::new(std::io::Cursor::new(input.clone())));
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compression/rle.rs:238:13
[INFO] [stdout]     |
[INFO] [stdout] 238 |             encoder.read_to_end(&mut output);
[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] 238 |             let _ = encoder.read_to_end(&mut output);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stdout]    --> src/compression/rle.rs:247:70
[INFO] [stdout]     |
[INFO] [stdout] 247 |             decoder.attach_reader(Box::new(std::io::Cursor::new(input.clone())));
[INFO] [stdout]     |                                                                      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/compression/rle.rs:252:13
[INFO] [stdout]     |
[INFO] [stdout] 252 |             decoder.read_to_end(&mut output);
[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] 252 |             let _ = decoder.read_to_end(&mut output);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "bbbee020965950a30ed54110c099f2abcecd4a71318df40282e364c67075d682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbbee020965950a30ed54110c099f2abcecd4a71318df40282e364c67075d682", kill_on_drop: false }`
[INFO] [stdout] bbbee020965950a30ed54110c099f2abcecd4a71318df40282e364c67075d682
[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=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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8e51d740cd9ccadf342169be792a317f934df1c35000725fa2d19fc36e5462f2
[INFO] running `Command { std: "docker" "start" "-a" "8e51d740cd9ccadf342169be792a317f934df1c35000725fa2d19fc36e5462f2", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/compression/mod.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 |     io::{BufReader, Read, Write},
[INFO] [stderr]   |                           ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Context`, `Result`, and `anyhow`
[INFO] [stderr]  --> src/compression/arith.rs:4:14
[INFO] [stderr]   |
[INFO] [stderr] 4 | use anyhow::{Context, Result, anyhow};
[INFO] [stderr]   |              ^^^^^^^  ^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/compression/arith.rs:5:21
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Context`
[INFO] [stderr]  --> src/compression/bitstream.rs:5:14
[INFO] [stderr]   |
[INFO] [stderr] 5 | use anyhow::{Context, Result, anyhow};
[INFO] [stderr]   |              ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufRead`, `cell::RefCell`, and `rc::Rc`
[INFO] [stderr]  --> src/compression/bwt.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     cell::RefCell,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 3 |     io::{BufRead, Cursor, Read, Write},
[INFO] [stderr]   |          ^^^^^^^
[INFO] [stderr] 4 |     rc::Rc,
[INFO] [stderr]   |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `num::ToPrimitive`
[INFO] [stderr]  --> src/compression/bwt.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use num::ToPrimitive;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `RcReader`
[INFO] [stderr]  --> src/compression/bwt.rs:9:41
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crate::compression::{DataTransform, RcReader, bitstream::BitStream};
[INFO] [stderr]   |                                         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/compression/rle.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{Read, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Arg` and `Command`
[INFO] [stderr]  --> src/main.rs:2:12
[INFO] [stderr]   |
[INFO] [stderr] 2 | use clap::{Arg, Command, Parser};
[INFO] [stderr]   |            ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BufReader` and `BufWriter`
[INFO] [stderr]  --> src/main.rs:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufReader, BufWriter, Read, Write, stdin, stdout};
[INFO] [stderr]   |               ^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RleDecoder` and `RleEncoder`
[INFO] [stderr]   --> src/main.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 | use crate::compression::rle::{RleDecoder, RleEncoder};
[INFO] [stderr]    |                               ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]   --> src/main.rs:80:14
[INFO] [stderr]    |
[INFO] [stderr] 80 |         io::{BufReader, Cursor, Read},
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rayon::prelude`
[INFO] [stderr]   --> src/compression/bwt.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     use rayon::prelude::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/compression/bitstream.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         for i in 0..full_bytes {
[INFO] [stderr]    |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/compression/bitstream.rs:354:13
[INFO] [stderr]     |
[INFO] [stderr] 354 |         for i in 0..full_bytes {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/compression/bitstream.rs:409:13
[INFO] [stderr]     |
[INFO] [stderr] 409 |         for i in 0..full_bytes {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compression/bitstream.rs:656:13
[INFO] [stderr]     |
[INFO] [stderr] 656 |         let mut buf: u64 = 0;
[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: `buf`
[INFO] [stderr]    --> src/compression/bitstream.rs:656:13
[INFO] [stderr]     |
[INFO] [stderr] 656 |         let mut buf: u64 = 0;
[INFO] [stderr]     |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_buf`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]    --> src/compression/bwt.rs:248:9
[INFO] [stderr]     |
[INFO] [stderr] 248 |         t: &[bool],
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nread`
[INFO] [stderr]    --> src/compression/bwt.rs:596:21
[INFO] [stderr]     |
[INFO] [stderr] 596 |                 let nread = bs
[INFO] [stderr]     |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_nread`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `nwrite`
[INFO] [stderr]    --> src/compression/bwt.rs:609:17
[INFO] [stderr]     |
[INFO] [stderr] 609 |             let nwrite = self.output_buffer.write(&original)?;
[INFO] [stderr]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_nwrite`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compression/bwt.rs:627:13
[INFO] [stderr]     |
[INFO] [stderr] 627 | ...   let s = b"mmiiabscbnnenwgorigmrimskcv,smdklrkgmer s.v serv mmer vme mv msevr ,mer vme slkrjnglkjrgkej b sejb kje skbj krje sk...
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compression/bwt.rs:653:13
[INFO] [stderr]     |
[INFO] [stderr] 653 |         let s = b"PINEAPPLE";
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/compression/bwt.rs:654:13
[INFO] [stderr]     |
[INFO] [stderr] 654 | ...   let s = b"mmiiabsciamgreaitifo fpaimfiamgreatifobnnenwgorigmrimskcv,smdklrkgmer s.v serv mmer vme mv msevr ,mer vme slkrjnglk...
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `symbol_b`
[INFO] [stderr]   --> src/compression/bzrle.rs:22:55
[INFO] [stderr]    |
[INFO] [stderr] 22 | fn bijective_to_u32(bijective: &[u16], symbol_a: u16, symbol_b: u16) -> u32 {
[INFO] [stderr]    |                                                       ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_symbol_b`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/compression/mod.rs:128:13
[INFO] [stderr]     |
[INFO] [stderr] 128 |         let mut bs = BitStream::new();
[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/compression/mod.rs:129:13
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let mut bs2 = BitStream::new();
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `BitStreamDataTransform` is never used
[INFO] [stderr]   --> src/compression/mod.rs:46:11
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub trait BitStreamDataTransform: DataTransform {
[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/compression/mod.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 55 | impl Pipeline {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 56 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `EOF_SYMBOL` is never used
[INFO] [stderr]   --> src/compression/arith.rs:14:7
[INFO] [stderr]    |
[INFO] [stderr] 14 | const EOF_SYMBOL: u16 = 256;
[INFO] [stderr]    |       ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `max_input_symbol` is never read
[INFO] [stderr]   --> src/compression/arith.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct AdaptiveModel {
[INFO] [stderr]    |            ------------- field in this struct
[INFO] [stderr] 24 |     cum_freqs: Vec<u32>,
[INFO] [stderr] 25 |     max_input_symbol: u16,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]    --> src/compression/arith.rs:197:12
[INFO] [stderr]     |
[INFO] [stderr] 104 | impl AriEncoder {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 197 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `clear` is never used
[INFO] [stderr]    --> src/compression/arith.rs:363:12
[INFO] [stderr]     |
[INFO] [stderr] 288 | impl AriDecoder {
[INFO] [stderr]     | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 363 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `peek_byte_offset`, `peek_n_bits_u64_offset`, `peek_n_bits_u64`, `flush`, and `clear` are never used
[INFO] [stderr]    --> src/compression/bitstream.rs:338:12
[INFO] [stderr]     |
[INFO] [stderr]  18 | impl BitStream {
[INFO] [stderr]     | -------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 338 |     pub fn peek_byte_offset(&mut self, buf_byte: &mut u8, offset_bits: usize) -> Result<usize> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 342 |     pub fn peek_n_bits_u64_offset(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 381 |     pub fn peek_n_bits_u64(&mut self, n: u8, dest: &mut u64) -> Result<usize> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 436 |     pub fn flush(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 445 |     pub fn clear(&mut self) {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_with_payload_transform` is never used
[INFO] [stderr]    --> src/compression/bwt.rs:444:12
[INFO] [stderr]     |
[INFO] [stderr] 432 | impl BwtEncoder {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 444 |     pub fn new_with_payload_transform(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `payload_transform` is never read
[INFO] [stderr]    --> src/compression/bwt.rs:496:5
[INFO] [stderr]     |
[INFO] [stderr] 494 | pub struct BwtDecoder {
[INFO] [stderr]     |            ---------- field in this struct
[INFO] [stderr] 495 |     src: Option<BitStream>,
[INFO] [stderr] 496 |     payload_transform: Option<Box<dyn DataTransform>>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_with_payload_transform` is never used
[INFO] [stderr]    --> src/compression/bwt.rs:524:12
[INFO] [stderr]     |
[INFO] [stderr] 511 | impl BwtDecoder {
[INFO] [stderr]     | --------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 524 |     pub fn new_with_payload_transform(
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:71:5
[INFO] [stderr]    |
[INFO] [stderr] 71 |     pipeline.read_to_end(&mut output);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 71 |     let _ = pipeline.read_to_end(&mut output);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     output_stream.write_all(&output);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 73 |     let _ = output_stream.write_all(&output);
[INFO] [stderr]    |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compression/bzrle.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |             encoder.read_to_end(&mut encoded);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 206 |             let _ = encoder.read_to_end(&mut encoded);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compression/bzrle.rs:210:13
[INFO] [stderr]     |
[INFO] [stderr] 210 |             decoder.read_to_end(&mut output);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 210 |             let _ = decoder.read_to_end(&mut output);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compression/mtf.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         p.read_to_end(&mut output);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 157 |         let _ = p.read_to_end(&mut output);
[INFO] [stderr]     |         +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `test_cases` should have an upper case name
[INFO] [stderr]    --> src/compression/rle.rs:206:12
[INFO] [stderr]     |
[INFO] [stderr] 206 |     static test_cases: &[(&[u8], &[u8])] = &[
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] help: convert the identifier to upper case
[INFO] [stderr]     |
[INFO] [stderr] 206 -     static test_cases: &[(&[u8], &[u8])] = &[
[INFO] [stderr] 206 +     static TEST_CASES: &[(&[u8], &[u8])] = &[
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/compression/rle.rs:233:70
[INFO] [stderr]     |
[INFO] [stderr] 233 |             encoder.attach_reader(Box::new(std::io::Cursor::new(input.clone())));
[INFO] [stderr]     |                                                                      ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compression/rle.rs:238:13
[INFO] [stderr]     |
[INFO] [stderr] 238 |             encoder.read_to_end(&mut output);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 238 |             let _ = encoder.read_to_end(&mut output);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&[u8]` instead of cloning the inner type
[INFO] [stderr]    --> src/compression/rle.rs:247:70
[INFO] [stderr]     |
[INFO] [stderr] 247 |             decoder.attach_reader(Box::new(std::io::Cursor::new(input.clone())));
[INFO] [stderr]     |                                                                      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/compression/rle.rs:252:13
[INFO] [stderr]     |
[INFO] [stderr] 252 |             decoder.read_to_end(&mut output);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 252 |             let _ = decoder.read_to_end(&mut output);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `stegosaurus` (bin "stegosaurus" test) generated 47 warnings (run `cargo fix --bin "stegosaurus" -p stegosaurus --tests` to apply 27 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stegosaurus-9177596d83c243f7)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test compression::bitstream::tests::mixed_rw ... ok
[INFO] [stdout] test compression::bitstream::tests::peek ... ok
[INFO] [stdout] test compression::bitstream::tests::peek_bits_offset ... ok
[INFO] [stdout] test compression::bitstream::tests::rbuf_wbuf ... ok
[INFO] [stdout] test compression::bitstream::tests::read_empty ... ok
[INFO] [stdout] test compression::bitstream::tests::u64_rw ... ok
[INFO] [stdout] test compression::bitstream::tests::write_read ... ok
[INFO] [stdout] test compression::bitstream::tests::write_read_bytes ... ok
[INFO] [stdout] test compression::bwt::tests::inverse ... ok
[INFO] [stdout] test compression::bzrle::tests::bijective_numeration ... ok
[INFO] [stdout] test compression::bwt::tests::sais_test ... ok
[INFO] [stdout] test compression::arith::tests::compress ... ok
[INFO] [stdout] test compression::bzrle::tests::e2ebz ... ok
[INFO] [stdout] test compression::rle::tests::decode ... ok
[INFO] [stdout] test compression::rle::tests::encode ... ok
[INFO] [stdout] test compression::tests::bitstream_pipeline ... ok
[INFO] [stdout] test compression::bwt::tests::mississippi ... ok
[INFO] [stdout] test compression::bwt::tests::stream ... ok
[INFO] [stdout] test compression::tests::ari_mtf_pipeline ... ok
[INFO] [stdout] test compression::mtf::tests::encoder_decoder ... ok
[INFO] [stdout] test compression::arith::tests::compress_decompress ... ok
[INFO] [stdout] test tests::bwt_encode_decode has been running for over 60 seconds
[INFO] [stdout] test tests::e2e has been running for over 60 seconds
[INFO] [stdout] test tests::bwt_encode_decode ... FAILED
[INFO] [stdout] test tests::e2e ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- tests::bwt_encode_decode stdout ----
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 2000000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 22
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 900000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 20
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 900000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 24
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 100000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 19
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 100000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 24
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 20000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 16
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 20000
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 15
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/shakespeare.txt
[INFO] [stdout] =============================================================================
[INFO] [stdout] [src/main.rs:145:13] block_size = 100
[INFO] [stdout] [src/main.rs:145:13] bits_per_idx = 9
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::bwt_encode_decode' (46) panicked at src/compression/bwt.rs:409:26:
[INFO] [stdout] index out of bounds: the len is 100 but the index is 266
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5f9e339ff4a2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5f9e339ff4a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5f9e339ff4a2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x5f9e339ff4a2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x5f9e33a0f8fa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x5f9e33a0f8fa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stdout]    6:     0x5f9e339ccac6 - std::io::default_write_fmt::hd23bd8145c03a23a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5f9e339ccac6 - std::io::Write::write_fmt::hdd3314a2bd8a34bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x5f9e339ddd69 - std::sys::backtrace::BacktraceLock::print::h1079b82381c2c252
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x5f9e339ddd69 - std::panicking::default_hook::{{closure}}::h85cb76b8462c00f2
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x5f9e339ddc01 - std::panicking::default_hook::h0134d220cc034c02
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x5f9e339926ce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb2e68dca3970e3ca
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x5f9e339926ce - test::test_main_with_exit_callback::{{closure}}::ha7ec2063a2565ec3
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5f9e339ddfe2 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::haebee478d0f56cf4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x5f9e339ddfe2 - std::panicking::panic_with_hook::h8119b6db1fef734f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x5f9e339dde28 - std::panicking::panic_handler::{{closure}}::h24f5360b91482c0e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x5f9e339d88d9 - std::sys::backtrace::__rust_end_short_backtrace::h4e60c5cbd1bd0108
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x5f9e339c167d - __rustc[e4c6931bd8050421]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x5f9e33a16d7c - core::panicking::panic_fmt::hb1614a3ff6840071
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x5f9e33a16b6c - core::panicking::panic_bounds_check::hb07d67a86f4fe85d
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panicking.rs:271:5
[INFO] [stdout]   20:     0x5f9e33962724 - <usize as core::slice::index::SliceIndex<[T]>>::index::h9c3f32fdade0607a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/slice/index.rs:272:10
[INFO] [stdout]   21:     0x5f9e3393ac33 - core::slice::index::<impl core::ops::index::Index<I> for [T]>::index::h5ecaa5ff95f14b9a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/slice/index.rs:19:15
[INFO] [stdout]   22:     0x5f9e3393ac33 - <alloc::vec::Vec<T,A> as core::ops::index::Index<I>>::index::h6d99002e51321d09
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/vec/mod.rs:3740:9
[INFO] [stdout]   23:     0x5f9e339634f3 - stegosaurus::compression::bwt::inverse_bwt::hb0f92a39990a0e80
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compression/bwt.rs:409:26
[INFO] [stdout]   24:     0x5f9e3396857a - <stegosaurus::compression::bwt::BwtDecoder as std::io::Read>::read::h772c8d1e3b73abf4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compression/bwt.rs:606:28
[INFO] [stdout]   25:     0x5f9e33954ad2 - std::io::impls::<impl std::io::Read for alloc::boxed::Box<R>>::read::hb41f15164bc794bd
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/impls.rs:155:18
[INFO] [stdout]   26:     0x5f9e339566eb - <stegosaurus::compression::Pipeline as std::io::Read>::read::hcabeb31c2dce7f6e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compression/mod.rs:108:36
[INFO] [stdout]   27:     0x5f9e339383c1 - std::io::inlined_slow_read_byte::h67c3478be2b76cc8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:3268:29
[INFO] [stdout]   28:     0x5f9e33954b56 - <R as std::io::SpecReadByte>::spec_read_byte::hef2ff8196a33cff1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:3258:9
[INFO] [stdout]   29:     0x5f9e33938ab6 - <std::io::Bytes<R> as core::iter::traits::iterator::Iterator>::next::h7d4a2d72ac973077
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/io/mod.rs:3238:9
[INFO] [stdout]   30:     0x5f9e33962c7a - <core::iter::adapters::map::Map<I,F> as core::iter::traits::iterator::Iterator>::next::h020cd3a4e551bb52
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/iter/adapters/map.rs:107:19
[INFO] [stdout]   31:     0x5f9e3393a0f3 - alloc::vec::Vec<T,A>::extend_desugared::hb4d9f513a7392128
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/vec/mod.rs:3905:44
[INFO] [stdout]   32:     0x5f9e3393b3f7 - <alloc::vec::Vec<T,A> as alloc::vec::spec_extend::SpecExtend<T,I>>::spec_extend::h7765b04eeec4e8aa
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/vec/spec_extend.rs:18:14
[INFO] [stdout]   33:     0x5f9e3393942d - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter_nested::SpecFromIterNested<T,I>>::from_iter::he0e1ad9d384138a4
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/vec/spec_from_iter_nested.rs:41:9
[INFO] [stdout]   34:     0x5f9e3393b4aa - <alloc::vec::Vec<T> as alloc::vec::spec_from_iter::SpecFromIter<T,I>>::from_iter::h70f39eebe7004d10
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stdout]   35:     0x5f9e3393b394 - <alloc::vec::Vec<T> as core::iter::traits::collect::FromIterator<T>>::from_iter::he2fe826eec62e79d
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/vec/mod.rs:3801:9
[INFO] [stdout]   36:     0x5f9e33966b3a - core::iter::traits::iterator::Iterator::collect::h457daad8be731ac6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/iter/traits/iterator.rs:2035:9
[INFO] [stdout]   37:     0x5f9e3394de16 - stegosaurus::tests::bwt_encode_decode::h67c4fee72a18e454
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:173:22
[INFO] [stdout]   38:     0x5f9e3394e067 - stegosaurus::tests::bwt_encode_decode::{{closure}}::hd46f1ca07f41768b
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:125:27
[INFO] [stdout]   39:     0x5f9e33959a36 - core::ops::function::FnOnce::call_once::h14e2c8cb1a379967
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x5f9e339924cb - core::ops::function::FnOnce::call_once::hefaf63600cd43d2a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x5f9e339924cb - test::__rust_begin_short_backtrace::he30322a73a0e9ea6
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:663:18
[INFO] [stdout]   42:     0x5f9e339a5e9a - test::run_test_in_process::{{closure}}::hdea3ab8d0243ef36
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:74
[INFO] [stdout]   43:     0x5f9e339a5e9a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h66d192f42498ffce
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   44:     0x5f9e339a5e9a - std::panicking::catch_unwind::do_call::h822e18e8d3a6bb65
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   45:     0x5f9e339a5e9a - std::panicking::catch_unwind::h54b1de7ceab578bf
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   46:     0x5f9e339a5e9a - std::panic::catch_unwind::h60c29b7a9d0246b1
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x5f9e339a5e9a - test::run_test_in_process::h6099b5f871379b13
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:686:27
[INFO] [stdout]   48:     0x5f9e339a5e9a - test::run_test::{{closure}}::h926ce0a38281a4c8
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:607:43
[INFO] [stdout]   49:     0x5f9e339802f4 - test::run_test::{{closure}}::h508de21a9afc7140
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/test/src/lib.rs:637:41
[INFO] [stdout]   50:     0x5f9e339802f4 - std::sys::backtrace::__rust_begin_short_backtrace::h6e2f5c39ca00735a
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   51:     0x5f9e33983bb2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::{{closure}}::h133e44f0e5802c14
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   52:     0x5f9e33983bb2 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4718c1285283955c
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   53:     0x5f9e33983bb2 - std::panicking::catch_unwind::do_call::h0bba3937b4892238
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:581:40
[INFO] [stdout]   54:     0x5f9e33983bb2 - std::panicking::catch_unwind::h5b31cab5fb8c5d7f
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panicking.rs:544:19
[INFO] [stdout]   55:     0x5f9e33983bb2 - std::panic::catch_unwind::hb2fa05d52ed0124e
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/panic.rs:359:14
[INFO] [stdout]   56:     0x5f9e33983bb2 - std::thread::lifecycle::spawn_unchecked::{{closure}}::hf401cf5ff501bd29
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   57:     0x5f9e33983bb2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h160022e94ce3b0bb
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x5f9e339d3adf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf234e0d1d1d272ba
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   59:     0x5f9e339d3adf - std::sys::thread::unix::Thread::new::thread_start::h106a295241840d3b
[INFO] [stdout]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/thread/unix.rs:127:17
[INFO] [stdout]   60:     0x7b33b5f4daa4 - <unknown>
[INFO] [stdout]   61:     0x7b33b5fdaa64 - clone
[INFO] [stdout]   62:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     tests::bwt_encode_decode
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 22 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 147.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin stegosaurus`
[INFO] running `Command { std: "docker" "inspect" "8e51d740cd9ccadf342169be792a317f934df1c35000725fa2d19fc36e5462f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e51d740cd9ccadf342169be792a317f934df1c35000725fa2d19fc36e5462f2", kill_on_drop: false }`
[INFO] [stdout] 8e51d740cd9ccadf342169be792a317f934df1c35000725fa2d19fc36e5462f2
