[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 master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frhellwege%2Fstegosaurus" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rhellwege/stegosaurus on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1058299e0d81300484567160c95bdbbcdf7b8f424ae5d371f0c876f2a23e5249
[INFO] running `Command { std: "docker" "start" "-a" "1058299e0d81300484567160c95bdbbcdf7b8f424ae5d371f0c876f2a23e5249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1058299e0d81300484567160c95bdbbcdf7b8f424ae5d371f0c876f2a23e5249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1058299e0d81300484567160c95bdbbcdf7b8f424ae5d371f0c876f2a23e5249", kill_on_drop: false }`
[INFO] [stdout] 1058299e0d81300484567160c95bdbbcdf7b8f424ae5d371f0c876f2a23e5249
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65079e7b62e8b2dde704dcaf929af38536aa11c2de856823d0db6c1ba2c0e63f
[INFO] running `Command { std: "docker" "start" "-a" "65079e7b62e8b2dde704dcaf929af38536aa11c2de856823d0db6c1ba2c0e63f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling clap_builder v4.5.53
[INFO] [stderr]    Compiling syn v2.0.111
[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 clap_derive v4.5.49
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling num v0.4.3
[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 9.78s
[INFO] running `Command { std: "docker" "inspect" "65079e7b62e8b2dde704dcaf929af38536aa11c2de856823d0db6c1ba2c0e63f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65079e7b62e8b2dde704dcaf929af38536aa11c2de856823d0db6c1ba2c0e63f", kill_on_drop: false }`
[INFO] [stdout] 65079e7b62e8b2dde704dcaf929af38536aa11c2de856823d0db6c1ba2c0e63f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac314af1a88474bae93e1557dd2f14bfbd4deb1cb52db0264d9deca81a899c75
[INFO] running `Command { std: "docker" "start" "-a" "ac314af1a88474bae93e1557dd2f14bfbd4deb1cb52db0264d9deca81a899c75", 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 1.62s
[INFO] running `Command { std: "docker" "inspect" "ac314af1a88474bae93e1557dd2f14bfbd4deb1cb52db0264d9deca81a899c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac314af1a88474bae93e1557dd2f14bfbd4deb1cb52db0264d9deca81a899c75", kill_on_drop: false }`
[INFO] [stdout] ac314af1a88474bae93e1557dd2f14bfbd4deb1cb52db0264d9deca81a899c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06980ab6fdffc261177c0e8ca7f690e4f905022a8e0acd9385f709d0d0bd2d44
[INFO] running `Command { std: "docker" "start" "-a" "06980ab6fdffc261177c0e8ca7f690e4f905022a8e0acd9385f709d0d0bd2d44", 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 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/stegosaurus-a4b89ce9124887f8)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test compression::bitstream::tests::mixed_rw ... 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::peek ... ok
[INFO] [stdout] test compression::bitstream::tests::peek_bits_offset ... ok
[INFO] [stdout] test compression::bitstream::tests::u64_rw ... ok
[INFO] [stdout] test compression::bitstream::tests::write_read_bytes ... ok
[INFO] [stdout] test compression::bitstream::tests::write_read ... ok
[INFO] [stdout] test compression::arith::tests::compress ... ok
[INFO] [stdout] test compression::bwt::tests::inverse ... ok
[INFO] [stdout] test compression::bzrle::tests::bijective_numeration ... ok
[INFO] [stdout] test compression::mtf::tests::encoder_decoder ... ok
[INFO] [stdout] test compression::rle::tests::decode ... ok
[INFO] [stdout] test compression::bzrle::tests::e2ebz ... ok
[INFO] [stdout] test compression::tests::bitstream_pipeline ... ok
[INFO] [stdout] test compression::bwt::tests::sais_test ... ok
[INFO] [stdout] test compression::rle::tests::encode ... ok
[INFO] [stdout] test compression::bwt::tests::stream ... ok
[INFO] [stdout] test compression::bwt::tests::mississippi ... ok
[INFO] [stdout] test compression::tests::ari_mtf_pipeline ... 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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/quixote.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/alice.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/3000000.bin
[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/shakespeare.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/1000.bin
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/Cargo.lock.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/main.rs.txt
[INFO] [stdout] -----------------------------------------------------------------------------
[INFO] [stdout] /opt/rustwide/workdir/tests/bwt.rs.txt
[INFO] [stdout] 
[INFO] [stdout] thread 'tests::bwt_encode_decode' (45) 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:     0x60921e77f042 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x60921e77f042 - std[716c9a7a72e5c14e]::backtrace_rs::backtrace::trace_unsynchronized::<std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x60921e77f042 - std[716c9a7a72e5c14e]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x60921e77f042 - <<std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[c5ed12ab89cc536a]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x60921e79418a - <core[c5ed12ab89cc536a]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x60921e79418a - core[c5ed12ab89cc536a]::fmt::write
[INFO] [stdout]    6:     0x60921e784666 - std[716c9a7a72e5c14e]::io::default_write_fmt::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x60921e784666 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as std[716c9a7a72e5c14e]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x60921e75cbef - <std[716c9a7a72e5c14e]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x60921e75cbef - std[716c9a7a72e5c14e]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x60921e777139 - std[716c9a7a72e5c14e]::panicking::default_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x60921e70297e - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x60921e70297e - test[64760d2bdea328cc]::test_main_with_exit_callback::<test[64760d2bdea328cc]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x60921e7772f2 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn for<'a, 'b> core[c5ed12ab89cc536a]::ops::function::Fn<(&'a std[716c9a7a72e5c14e]::panic::PanicHookInfo<'b>,), Output = ()> + core[c5ed12ab89cc536a]::marker::Sync + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::Fn<(&std[716c9a7a72e5c14e]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x60921e7772f2 - std[716c9a7a72e5c14e]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x60921e75cca8 - std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x60921e754089 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_end_short_backtrace::<std[716c9a7a72e5c14e]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x60921e75dbed - __rustc[4f0b026143eab78e]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x60921e79485c - core[c5ed12ab89cc536a]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x60921e79464c - core[c5ed12ab89cc536a]::panicking::panic_bounds_check
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panicking.rs:271:5
[INFO] [stdout]   20:     0x60921e6d59c4 - <usize as core[c5ed12ab89cc536a]::slice::index::SliceIndex<[u32]>>::index
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/slice/index.rs:272:10
[INFO] [stdout]   21:     0x60921e6be213 - <[u32] as core[c5ed12ab89cc536a]::ops::index::Index<usize>>::index
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/slice/index.rs:19:15
[INFO] [stdout]   22:     0x60921e6be213 - <alloc[9c68fdf4f4f29218]::vec::Vec<u32> as core[c5ed12ab89cc536a]::ops::index::Index<usize>>::index
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/vec/mod.rs:3740:9
[INFO] [stdout]   23:     0x60921e6ebb60 - stegosaurus[a1310e44b9b276f]::compression::bwt::inverse_bwt
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compression/bwt.rs:409:26
[INFO] [stdout]   24:     0x60921e6f0276 - <stegosaurus[a1310e44b9b276f]::compression::bwt::BwtDecoder as std[716c9a7a72e5c14e]::io::Read>::read
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compression/bwt.rs:606:28
[INFO] [stdout]   25:     0x60921e6e8312 - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn stegosaurus[a1310e44b9b276f]::compression::DataTransform> as std[716c9a7a72e5c14e]::io::Read>::read
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/impls.rs:155:18
[INFO] [stdout]   26:     0x60921e6ef16b - <stegosaurus[a1310e44b9b276f]::compression::Pipeline as std[716c9a7a72e5c14e]::io::Read>::read
[INFO] [stdout]                                at /opt/rustwide/workdir/src/compression/mod.rs:108:36
[INFO] [stdout]   27:     0x60921e6b64e1 - std[716c9a7a72e5c14e]::io::inlined_slow_read_byte::<stegosaurus[a1310e44b9b276f]::compression::Pipeline>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:3268:29
[INFO] [stdout]   28:     0x60921e6f0df6 - <stegosaurus[a1310e44b9b276f]::compression::Pipeline as std[716c9a7a72e5c14e]::io::SpecReadByte>::spec_read_byte
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:3258:9
[INFO] [stdout]   29:     0x60921e6bbe36 - <std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline> as core[c5ed12ab89cc536a]::iter::traits::iterator::Iterator>::next
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/io/mod.rs:3238:9
[INFO] [stdout]   30:     0x60921e6db43a - <core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}> as core[c5ed12ab89cc536a]::iter::traits::iterator::Iterator>::next
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/iter/adapters/map.rs:107:19
[INFO] [stdout]   31:     0x60921e6bc323 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8>>::extend_desugared::<core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/vec/mod.rs:3905:44
[INFO] [stdout]   32:     0x60921e6bd207 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as alloc[9c68fdf4f4f29218]::vec::spec_extend::SpecExtend<u8, core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}>>>::spec_extend
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/vec/spec_extend.rs:18:14
[INFO] [stdout]   33:     0x60921e6bda5d - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as alloc[9c68fdf4f4f29218]::vec::spec_from_iter_nested::SpecFromIterNested<u8, core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}>>>::from_iter
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/vec/spec_from_iter_nested.rs:41:9
[INFO] [stdout]   34:     0x60921e6bd26a - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as alloc[9c68fdf4f4f29218]::vec::spec_from_iter::SpecFromIter<u8, core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}>>>::from_iter
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/vec/spec_from_iter.rs:33:9
[INFO] [stdout]   35:     0x60921e6bc7c4 - <alloc[9c68fdf4f4f29218]::vec::Vec<u8> as core[c5ed12ab89cc536a]::iter::traits::collect::FromIterator<u8>>::from_iter::<core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/vec/mod.rs:3801:9
[INFO] [stdout]   36:     0x60921e6d9d6a - <core[c5ed12ab89cc536a]::iter::adapters::map::Map<std[716c9a7a72e5c14e]::io::Bytes<stegosaurus[a1310e44b9b276f]::compression::Pipeline>, stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#1}> as core[c5ed12ab89cc536a]::iter::traits::iterator::Iterator>::collect::<alloc[9c68fdf4f4f29218]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/iter/traits/iterator.rs:2035:9
[INFO] [stdout]   37:     0x60921e6e3346 - stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:173:22
[INFO] [stdout]   38:     0x60921e6e1147 - stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:125:27
[INFO] [stdout]   39:     0x60921e6e00f6 - <stegosaurus[a1310e44b9b276f]::tests::bwt_encode_decode::{closure#0} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   40:     0x60921e6f6d2b - <fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x60921e6f6d2b - test[64760d2bdea328cc]::__rust_begin_short_backtrace::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, fn() -> core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:663:18
[INFO] [stdout]   42:     0x60921e70358a - test[64760d2bdea328cc]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:74
[INFO] [stdout]   43:     0x60921e70358a - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   44:     0x60921e70358a - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   45:     0x60921e70358a - std[716c9a7a72e5c14e]::panicking::catch_unwind::<core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>, core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   46:     0x60921e70358a - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<test[64760d2bdea328cc]::run_test_in_process::{closure#0}>, core[c5ed12ab89cc536a]::result::Result<(), alloc[9c68fdf4f4f29218]::string::String>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   47:     0x60921e70358a - test[64760d2bdea328cc]::run_test_in_process
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:686:27
[INFO] [stdout]   48:     0x60921e70358a - test[64760d2bdea328cc]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:607:43
[INFO] [stdout]   49:     0x60921e6fda54 - test[64760d2bdea328cc]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/test/src/lib.rs:637:41
[INFO] [stdout]   50:     0x60921e6fda54 - std[716c9a7a72e5c14e]::sys::backtrace::__rust_begin_short_backtrace::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   51:     0x60921e706082 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   52:     0x60921e706082 - <core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   53:     0x60921e706082 - std[716c9a7a72e5c14e]::panicking::catch_unwind::do_call::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:581:40
[INFO] [stdout]   54:     0x60921e706082 - std[716c9a7a72e5c14e]::panicking::catch_unwind::<(), core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panicking.rs:544:19
[INFO] [stdout]   55:     0x60921e706082 - std[716c9a7a72e5c14e]::panic::catch_unwind::<core[c5ed12ab89cc536a]::panic::unwind_safe::AssertUnwindSafe<std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/panic.rs:359:14
[INFO] [stdout]   56:     0x60921e706082 - std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked::<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   57:     0x60921e706082 - <std[716c9a7a72e5c14e]::thread::lifecycle::spawn_unchecked<test[64760d2bdea328cc]::run_test::{closure#1}, ()>::{closure#1} as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   58:     0x60921e77e8ef - <alloc[9c68fdf4f4f29218]::boxed::Box<dyn core[c5ed12ab89cc536a]::ops::function::FnOnce<(), Output = ()> + core[c5ed12ab89cc536a]::marker::Send> as core[c5ed12ab89cc536a]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   59:     0x60921e77e8ef - <std[716c9a7a72e5c14e]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/2fd6efc32704647e64d3d646d21c4c68eae100e4/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   60:     0x7f9d7fc05aa4 - <unknown>
[INFO] [stdout]   61:     0x7f9d7fc92a64 - 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 145.83s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin stegosaurus`
[INFO] running `Command { std: "docker" "inspect" "06980ab6fdffc261177c0e8ca7f690e4f905022a8e0acd9385f709d0d0bd2d44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06980ab6fdffc261177c0e8ca7f690e4f905022a8e0acd9385f709d0d0bd2d44", kill_on_drop: false }`
[INFO] [stdout] 06980ab6fdffc261177c0e8ca7f690e4f905022a8e0acd9385f709d0d0bd2d44
