[INFO] cloning repository https://github.com/xyzzyz/rzlib
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xyzzyz/rzlib" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyzzyz%2Frzlib", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyzzyz%2Frzlib'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30874b37def7c4cdbcce1fa6c12546e286e17b4d
[INFO] testing xyzzyz/rzlib against 1.76.0 for beta-1.77-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxyzzyz%2Frzlib" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xyzzyz/rzlib on toolchain 1.76.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.76.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xyzzyz/rzlib
[INFO] finished tweaking git repo https://github.com/xyzzyz/rzlib
[INFO] tweaked toml for git repo https://github.com/xyzzyz/rzlib written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/xyzzyz/rzlib 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" "+1.76.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 928a7d3536eb5511b9a916a1eb6072396ad8aa90bc9af04a650c2ae56d16b332
[INFO] running `Command { std: "docker" "start" "-a" "928a7d3536eb5511b9a916a1eb6072396ad8aa90bc9af04a650c2ae56d16b332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "928a7d3536eb5511b9a916a1eb6072396ad8aa90bc9af04a650c2ae56d16b332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "928a7d3536eb5511b9a916a1eb6072396ad8aa90bc9af04a650c2ae56d16b332", kill_on_drop: false }`
[INFO] [stdout] 928a7d3536eb5511b9a916a1eb6072396ad8aa90bc9af04a650c2ae56d16b332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3866ab1c0bfd70a7b0d082849a3787573df9d3271fb4f8bafff91d13ec86dac3
[INFO] running `Command { std: "docker" "start" "-a" "3866ab1c0bfd70a7b0d082849a3787573df9d3271fb4f8bafff91d13ec86dac3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling rzlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/rzlibreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `read`
[INFO] [stdout]  --> src/rzlibreader.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/rzlibreader.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Read, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `result`
[INFO] [stdout]  --> src/rzlibreader.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cmp, fmt, io, mem, result};
[INFO] [stdout]   |                ^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/rzlibreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lookbackbuffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/rzlibreader.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let bytes_read = self.reader.read_until(0, &mut buf)?;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftext`
[INFO] [stdout]   --> src/rzlibreader.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let ftext = flg & 1 == 1;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mtime`
[INFO] [stdout]    --> src/rzlibreader.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mtime = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xfl`
[INFO] [stdout]    --> src/rzlibreader.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let xfl = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_xfl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os`
[INFO] [stdout]    --> src/rzlibreader.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let os = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]    --> src/rzlibreader.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let extra = match String::from_utf8(fextra_buf) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/rzlibreader.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let file_name = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/rzlibreader.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let comment = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc16`
[INFO] [stdout]    --> src/rzlibreader.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let crc16 = u16::from_le_bytes(crc16_buf);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc32`
[INFO] [stdout]    --> src/rzlibreader.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let crc32 = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isize`
[INFO] [stdout]    --> src/rzlibreader.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let isize = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_isize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:232:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Literal` and `Match` are never constructed
[INFO] [stdout]   --> src/rzlibreader.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Item {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 45 |     Literal { byte: u8 },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     Match { length: usize, distance: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/rzlibreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `read`
[INFO] [stdout]  --> src/rzlibreader.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/rzlibreader.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Read, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `result`
[INFO] [stdout]  --> src/rzlibreader.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cmp, fmt, io, mem, result};
[INFO] [stdout]   |                ^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/rzlibreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lookbackbuffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/rzlibreader.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let bytes_read = self.reader.read_until(0, &mut buf)?;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftext`
[INFO] [stdout]   --> src/rzlibreader.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let ftext = flg & 1 == 1;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mtime`
[INFO] [stdout]    --> src/rzlibreader.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mtime = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xfl`
[INFO] [stdout]    --> src/rzlibreader.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let xfl = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_xfl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os`
[INFO] [stdout]    --> src/rzlibreader.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let os = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]    --> src/rzlibreader.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let extra = match String::from_utf8(fextra_buf) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/rzlibreader.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let file_name = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/rzlibreader.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let comment = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc16`
[INFO] [stdout]    --> src/rzlibreader.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let crc16 = u16::from_le_bytes(crc16_buf);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc32`
[INFO] [stdout]    --> src/rzlibreader.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let crc32 = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isize`
[INFO] [stdout]    --> src/rzlibreader.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let isize = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_isize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:232:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Literal` and `Match` are never constructed
[INFO] [stdout]   --> src/rzlibreader.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Item {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 45 |     Literal { byte: u8 },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     Match { length: usize, distance: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `dump_impl` and `dump` are never used
[INFO] [stdout]    --> src/huffman.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl<R: Debug + Clone> HuffmanTree<R> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn dump_impl(&self, path: &Codeword) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn dump(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "3866ab1c0bfd70a7b0d082849a3787573df9d3271fb4f8bafff91d13ec86dac3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3866ab1c0bfd70a7b0d082849a3787573df9d3271fb4f8bafff91d13ec86dac3", kill_on_drop: false }`
[INFO] [stdout] 3866ab1c0bfd70a7b0d082849a3787573df9d3271fb4f8bafff91d13ec86dac3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3eb5577e09f5379b16633c313f2ffbcfd2b3cd5bbdd172a127bea08899a066df
[INFO] running `Command { std: "docker" "start" "-a" "3eb5577e09f5379b16633c313f2ffbcfd2b3cd5bbdd172a127bea08899a066df", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/rzlibreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `read`
[INFO] [stdout]  --> src/rzlibreader.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/rzlibreader.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Read, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `result`
[INFO] [stdout]  --> src/rzlibreader.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cmp, fmt, io, mem, result};
[INFO] [stdout]   |                ^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/rzlibreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lookbackbuffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/rzlibreader.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let bytes_read = self.reader.read_until(0, &mut buf)?;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftext`
[INFO] [stdout]   --> src/rzlibreader.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let ftext = flg & 1 == 1;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mtime`
[INFO] [stdout]    --> src/rzlibreader.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mtime = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xfl`
[INFO] [stdout]    --> src/rzlibreader.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let xfl = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_xfl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os`
[INFO] [stdout]    --> src/rzlibreader.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let os = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]    --> src/rzlibreader.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let extra = match String::from_utf8(fextra_buf) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/rzlibreader.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let file_name = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/rzlibreader.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let comment = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc16`
[INFO] [stdout]    --> src/rzlibreader.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let crc16 = u16::from_le_bytes(crc16_buf);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc32`
[INFO] [stdout]    --> src/rzlibreader.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let crc32 = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isize`
[INFO] [stdout]    --> src/rzlibreader.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let isize = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_isize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:232:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Literal` and `Match` are never constructed
[INFO] [stdout]   --> src/rzlibreader.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Item {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 45 |     Literal { byte: u8 },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     Match { length: usize, distance: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rzlib v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/rzlibreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::error::Error`
[INFO] [stdout]  --> src/rzlibreader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `read`
[INFO] [stdout]  --> src/rzlibreader.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `read`
[INFO] [stdout]  --> src/rzlibreader.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::{read, File};
[INFO] [stdout]   |               ^^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/rzlibreader.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Read, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/rzlibreader.rs:4:30
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{BufRead, Read, Write};
[INFO] [stdout]   |                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `result`
[INFO] [stdout]  --> src/rzlibreader.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cmp, fmt, io, mem, result};
[INFO] [stdout]   |                ^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fmt`, `result`
[INFO] [stdout]  --> src/rzlibreader.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::{cmp, fmt, io, mem, result};
[INFO] [stdout]   |                ^^^           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/rzlibreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::debug`
[INFO] [stdout]  --> src/rzlibreader.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use log::debug;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lookbackbuffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/lookbackbuffer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Read`, `Write`
[INFO] [stdout]  --> src/main.rs:8:15
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::io::{Read, Write};
[INFO] [stdout]   |               ^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/rzlibreader.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let bytes_read = self.reader.read_until(0, &mut buf)?;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftext`
[INFO] [stdout]   --> src/rzlibreader.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let ftext = flg & 1 == 1;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mtime`
[INFO] [stdout]    --> src/rzlibreader.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mtime = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xfl`
[INFO] [stdout]    --> src/rzlibreader.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let xfl = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_xfl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os`
[INFO] [stdout]    --> src/rzlibreader.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let os = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]    --> src/rzlibreader.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let extra = match String::from_utf8(fextra_buf) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/rzlibreader.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let file_name = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/rzlibreader.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let comment = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc16`
[INFO] [stdout]    --> src/rzlibreader.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let crc16 = u16::from_le_bytes(crc16_buf);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `bytes_read`
[INFO] [stdout]   --> src/rzlibreader.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let bytes_read = self.reader.read_until(0, &mut buf)?;
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc32`
[INFO] [stdout]    --> src/rzlibreader.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let crc32 = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isize`
[INFO] [stdout]    --> src/rzlibreader.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let isize = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_isize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ftext`
[INFO] [stdout]   --> src/rzlibreader.rs:99:13
[INFO] [stdout]    |
[INFO] [stdout] 99 |         let ftext = flg & 1 == 1;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftext`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mtime`
[INFO] [stdout]    --> src/rzlibreader.rs:114:13
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mtime = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xfl`
[INFO] [stdout]    --> src/rzlibreader.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let xfl = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_xfl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `os`
[INFO] [stdout]    --> src/rzlibreader.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let os = self.reader.read_u8()?;
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_os`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extra`
[INFO] [stdout]    --> src/rzlibreader.rs:129:17
[INFO] [stdout]     |
[INFO] [stdout] 129 |             let extra = match String::from_utf8(fextra_buf) {
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]    --> src/rzlibreader.rs:137:17
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let file_name = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `comment`
[INFO] [stdout]    --> src/rzlibreader.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |             let comment = self.read_cstring()?;
[INFO] [stdout]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc16`
[INFO] [stdout]    --> src/rzlibreader.rs:149:17
[INFO] [stdout]     |
[INFO] [stdout] 149 |             let crc16 = u16::from_le_bytes(crc16_buf);
[INFO] [stdout]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:232:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `crc32`
[INFO] [stdout]    --> src/rzlibreader.rs:158:13
[INFO] [stdout]     |
[INFO] [stdout] 158 |         let crc32 = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc32`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `isize`
[INFO] [stdout]    --> src/rzlibreader.rs:160:13
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let isize = self.reader.read_u32()?;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_isize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:232:14
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:232:17
[INFO] [stdout]     |
[INFO] [stdout] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/rzlibreader.rs:279:14
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `l`
[INFO] [stdout]    --> src/rzlibreader.rs:279:17
[INFO] [stdout]     |
[INFO] [stdout] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Literal` and `Match` are never constructed
[INFO] [stdout]   --> src/rzlibreader.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Item {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 45 |     Literal { byte: u8 },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     Match { length: usize, distance: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Literal` and `Match` are never constructed
[INFO] [stdout]   --> src/rzlibreader.rs:45:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | enum Item {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] 45 |     Literal { byte: u8 },
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 46 |     Match { length: usize, distance: usize },
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `dump_impl` and `dump` are never used
[INFO] [stdout]    --> src/huffman.rs:163:8
[INFO] [stdout]     |
[INFO] [stdout] 67  | impl<R: Debug + Clone> HuffmanTree<R> {
[INFO] [stdout]     | ------------------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 163 |     fn dump_impl(&self, path: &Codeword) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 181 |     pub fn dump(&self) {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "3eb5577e09f5379b16633c313f2ffbcfd2b3cd5bbdd172a127bea08899a066df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3eb5577e09f5379b16633c313f2ffbcfd2b3cd5bbdd172a127bea08899a066df", kill_on_drop: false }`
[INFO] [stdout] 3eb5577e09f5379b16633c313f2ffbcfd2b3cd5bbdd172a127bea08899a066df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.76.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc1b3463d0566675dcc86f0d4d4419cea23d53e32c7ae0632869846758cbaf16
[INFO] running `Command { std: "docker" "start" "-a" "dc1b3463d0566675dcc86f0d4d4419cea23d53e32c7ae0632869846758cbaf16", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> src/rzlibreader.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `File`, `read`
[INFO] [stderr]  --> src/rzlibreader.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{read, File};
[INFO] [stderr]   |               ^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/rzlibreader.rs:4:30
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{BufRead, Read, Write};
[INFO] [stderr]   |                              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `fmt`, `result`
[INFO] [stderr]  --> src/rzlibreader.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::{cmp, fmt, io, mem, result};
[INFO] [stderr]   |                ^^^           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `log::debug`
[INFO] [stderr]  --> src/rzlibreader.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use log::debug;
[INFO] [stderr]   |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::io::Write`
[INFO] [stderr]  --> src/lookbackbuffer.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::io::Write;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `bytes_read`
[INFO] [stderr]   --> src/rzlibreader.rs:69:13
[INFO] [stderr]    |
[INFO] [stderr] 69 |         let bytes_read = self.reader.read_until(0, &mut buf)?;
[INFO] [stderr]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_bytes_read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ftext`
[INFO] [stderr]   --> src/rzlibreader.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let ftext = flg & 1 == 1;
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_ftext`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mtime`
[INFO] [stderr]    --> src/rzlibreader.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |         let mtime = self.reader.read_u32()?;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_mtime`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xfl`
[INFO] [stderr]    --> src/rzlibreader.rs:117:13
[INFO] [stderr]     |
[INFO] [stderr] 117 |         let xfl = self.reader.read_u8()?;
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_xfl`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `os`
[INFO] [stderr]    --> src/rzlibreader.rs:120:13
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let os = self.reader.read_u8()?;
[INFO] [stderr]     |             ^^ help: if this is intentional, prefix it with an underscore: `_os`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `extra`
[INFO] [stderr]    --> src/rzlibreader.rs:129:17
[INFO] [stderr]     |
[INFO] [stderr] 129 |             let extra = match String::from_utf8(fextra_buf) {
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_extra`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_name`
[INFO] [stderr]    --> src/rzlibreader.rs:137:17
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let file_name = self.read_cstring()?;
[INFO] [stderr]     |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `comment`
[INFO] [stderr]    --> src/rzlibreader.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |             let comment = self.read_cstring()?;
[INFO] [stderr]     |                 ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_comment`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `crc16`
[INFO] [stderr]    --> src/rzlibreader.rs:149:17
[INFO] [stderr]     |
[INFO] [stderr] 149 |             let crc16 = u16::from_le_bytes(crc16_buf);
[INFO] [stderr]     |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc16`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `crc32`
[INFO] [stderr]    --> src/rzlibreader.rs:158:13
[INFO] [stderr]     |
[INFO] [stderr] 158 |         let crc32 = self.reader.read_u32()?;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_crc32`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `isize`
[INFO] [stderr]    --> src/rzlibreader.rs:160:13
[INFO] [stderr]     |
[INFO] [stderr] 160 |         let isize = self.reader.read_u32()?;
[INFO] [stderr]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_isize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rzlibreader.rs:232:14
[INFO] [stderr]     |
[INFO] [stderr] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/rzlibreader.rs:232:17
[INFO] [stderr]     |
[INFO] [stderr] 232 |         for (i, l) in clen_lengths.iter().enumerate() {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/rzlibreader.rs:279:14
[INFO] [stderr]     |
[INFO] [stderr] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stderr]     |              ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `l`
[INFO] [stderr]    --> src/rzlibreader.rs:279:17
[INFO] [stderr]     |
[INFO] [stderr] 279 |         for (i, l) in all_lengths.iter().enumerate() {
[INFO] [stderr]     |                 ^ help: if this is intentional, prefix it with an underscore: `_l`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Literal` and `Match` are never constructed
[INFO] [stderr]   --> src/rzlibreader.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 44 | enum Item {
[INFO] [stderr]    |      ---- variants in this enum
[INFO] [stderr] 45 |     Literal { byte: u8 },
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 46 |     Match { length: usize, distance: usize },
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rzlib` (lib) generated 22 warnings (run `cargo fix --lib -p rzlib` to apply 21 suggestions)
[INFO] [stderr] warning: unused imports: `Read`, `Write`
[INFO] [stderr]  --> src/main.rs:8:15
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::io::{Read, Write};
[INFO] [stderr]   |               ^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `dump_impl` and `dump` are never used
[INFO] [stderr]    --> src/huffman.rs:163:8
[INFO] [stderr]     |
[INFO] [stderr] 67  | impl<R: Debug + Clone> HuffmanTree<R> {
[INFO] [stderr]     | ------------------------------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 163 |     fn dump_impl(&self, path: &Codeword) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 181 |     pub fn dump(&self) {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rzlib` (bin "rzlib" test) generated 24 warnings (22 duplicates) (run `cargo fix --bin "rzlib" --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `rzlib` (lib test) generated 22 warnings (22 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rzlib-190f13a3ac95dbd0)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test bitreader::tests::test_read_bits ... ok
[INFO] [stdout] test huffman::tests::test_from_rfc_1 ... ok
[INFO] [stdout] test huffman::tests::test_from_rfc2 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- huffman::tests::test_from_rfc2 stdout ----
[INFO] [stdout] thread 'huffman::tests::test_from_rfc2' panicked at src/huffman.rs:224:13:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Some(1)
[INFO] [stdout]  right: Some(4)
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55c51b2dc296 - std::backtrace_rs::backtrace::libunwind::trace::hbee8a7973eeb6c93
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stdout]    1:     0x55c51b2dc296 - std::backtrace_rs::backtrace::trace_unsynchronized::hc8ac75eea3aa6899
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55c51b2dc296 - std::sys_common::backtrace::_print_fmt::hc7f3e3b5298b1083
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stdout]    3:     0x55c51b2dc296 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hbb235daedd7c6190
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stdout]    4:     0x55c51b3050e0 - core::fmt::rt::Argument::fmt::h76c38a80d925a410
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/rt.rs:142:9
[INFO] [stdout]    5:     0x55c51b3050e0 - core::fmt::write::h3ed6aeaa977c8e45
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/fmt/mod.rs:1120:17
[INFO] [stdout]    6:     0x55c51b2d9cff - std::io::Write::write_fmt::h1299aa7741865f2b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/io/mod.rs:1810:15
[INFO] [stdout]    7:     0x55c51b2dc074 - std::sys_common::backtrace::_print::h5d645a07e0fcfdbb
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stdout]    8:     0x55c51b2dc074 - std::sys_common::backtrace::print::h85035a511aafe7a8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stdout]    9:     0x55c51b2ddde7 - std::panicking::default_hook::{{closure}}::hcce8cea212785a25
[INFO] [stdout]   10:     0x55c51b2ddacd - std::panicking::default_hook::hf5fcb0f213fe709a
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:289:9
[INFO] [stdout]   11:     0x55c51b2adb97 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h60265c2dfa87ee34
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   12:     0x55c51b2adb97 - test::test_main::{{closure}}::h77865bd3127078c6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:138:21
[INFO] [stdout]   13:     0x55c51b2de406 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbc5ccf4eb663e1e5
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2029:9
[INFO] [stdout]   14:     0x55c51b2de406 - std::panicking::rust_panic_with_hook::h095fccf1dc9379ee
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:783:13
[INFO] [stdout]   15:     0x55c51b2de152 - std::panicking::begin_panic_handler::{{closure}}::h032ba12139b353db
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:657:13
[INFO] [stdout]   16:     0x55c51b2dc796 - std::sys_common::backtrace::__rust_end_short_backtrace::h9259bc2ff8fd0f76
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stdout]   17:     0x55c51b2ddeb0 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:645:5
[INFO] [stdout]   18:     0x55c51b26bcd5 - core::panicking::panic_fmt::h784f20a50eaab275
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:72:14
[INFO] [stdout]   19:     0x55c51b26c10b - core::panicking::assert_failed_inner::hbf94b40c37b92af0
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:342:17
[INFO] [stdout]   20:     0x55c51b27642e - core::panicking::assert_failed::h1d452d939db05394
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panicking.rs:297:5
[INFO] [stdout]   21:     0x55c51b2791d4 - rzlib::huffman::tests::test_from_rfc2::h9a105c1c8f9818dc
[INFO] [stdout]                                at /opt/rustwide/workdir/src/huffman.rs:224:13
[INFO] [stdout]   22:     0x55c51b278bd7 - rzlib::huffman::tests::test_from_rfc2::{{closure}}::h03f8197d49ef3dc5
[INFO] [stdout]                                at /opt/rustwide/workdir/src/huffman.rs:210:24
[INFO] [stdout]   23:     0x55c51b275606 - core::ops::function::FnOnce::call_once::h2e4a4a8ea009fc95
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x55c51b2b346f - core::ops::function::FnOnce::call_once::h8dc6907944022cf6
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x55c51b2b346f - test::__rust_begin_short_backtrace::haae1a87433f1efb3
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:627:18
[INFO] [stdout]   26:     0x55c51b2b21f1 - test::run_test_in_process::{{closure}}::h8c7decfa7c14e152
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:60
[INFO] [stdout]   27:     0x55c51b2b21f1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h19e6ff056d9d21e9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x55c51b2b21f1 - std::panicking::try::do_call::h89c848fcaa37c035
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   29:     0x55c51b2b21f1 - std::panicking::try::h57ab3dc74e2839b8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   30:     0x55c51b2b21f1 - std::panic::catch_unwind::hfb6a1b1abc120fb9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   31:     0x55c51b2b21f1 - test::run_test_in_process::h5ae2f9875edd562d
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:650:27
[INFO] [stdout]   32:     0x55c51b2b21f1 - test::run_test::{{closure}}::h35d7300d8928a067
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:573:43
[INFO] [stdout]   33:     0x55c51b279526 - test::run_test::{{closure}}::h7525ced405d23d1b
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/test/src/lib.rs:601:41
[INFO] [stdout]   34:     0x55c51b279526 - std::sys_common::backtrace::__rust_begin_short_backtrace::h4e7db78ce05afad8
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys_common/backtrace.rs:155:18
[INFO] [stdout]   35:     0x55c51b27e587 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hcfbcb64f1a1b3482
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:529:17
[INFO] [stdout]   36:     0x55c51b27e587 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h9d89c5c4108bd689
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x55c51b27e587 - std::panicking::try::do_call::h8a4869bc94ec50c9
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:552:40
[INFO] [stdout]   38:     0x55c51b27e587 - std::panicking::try::h9a576f20ff81ac30
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panicking.rs:516:19
[INFO] [stdout]   39:     0x55c51b27e587 - std::panic::catch_unwind::hbcb4e3f860ef9830
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/panic.rs:142:14
[INFO] [stdout]   40:     0x55c51b27e587 - std::thread::Builder::spawn_unchecked_::{{closure}}::h93c79a6be1505948
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/thread/mod.rs:528:30
[INFO] [stdout]   41:     0x55c51b27e587 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h426d96740c81bdaf
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x55c51b2e2eb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h12de4fc57affb195
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   43:     0x55c51b2e2eb5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h3c619f45059d5cf1
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/alloc/src/boxed.rs:2015:9
[INFO] [stdout]   44:     0x55c51b2e2eb5 - std::sys::unix::thread::Thread::new::thread_start::hbac657605e4b7389
[INFO] [stdout]                                at /rustc/07dca489ac2d933c78d3c5158e3f43beefeb02ce/library/std/src/sys/unix/thread.rs:108:17
[INFO] [stdout]   45:     0x7f76c24f8ac3 - <unknown>
[INFO] [stdout]   46:     0x7f76c2589bf4 - __clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     huffman::tests::test_from_rfc2
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "dc1b3463d0566675dcc86f0d4d4419cea23d53e32c7ae0632869846758cbaf16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc1b3463d0566675dcc86f0d4d4419cea23d53e32c7ae0632869846758cbaf16", kill_on_drop: false }`
[INFO] [stdout] dc1b3463d0566675dcc86f0d4d4419cea23d53e32c7ae0632869846758cbaf16
