[INFO] cloning repository https://github.com/jthornber/node-compression-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jthornber/node-compression-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Fnode-compression-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Fnode-compression-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 72bdb6746db3d270835a41365256b9a26590fff1
[INFO] checking jthornber/node-compression-experiments against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Fnode-compression-experiments" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jthornber/node-compression-experiments
[INFO] finished tweaking git repo https://github.com/jthornber/node-compression-experiments
[INFO] tweaked toml for git repo https://github.com/jthornber/node-compression-experiments written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jthornber/node-compression-experiments on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jthornber/node-compression-experiments 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `test-log` dependency)
[INFO] [stderr] warning: `node-compression-experiments` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/jthornber/thin-provisioning-tools.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking jthornber/node-compression-experiments against try#8ac0915e346f9a2e49ca3951b642c55bd7d1eaab for pr-158447
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthornber%2Fnode-compression-experiments" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jthornber/node-compression-experiments
[INFO] finished tweaking git repo https://github.com/jthornber/node-compression-experiments
[INFO] tweaked toml for git repo https://github.com/jthornber/node-compression-experiments written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jthornber/node-compression-experiments on toolchain 8ac0915e346f9a2e49ca3951b642c55bd7d1eaab
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jthornber/node-compression-experiments 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" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `test-log` dependency)
[INFO] [stderr] warning: `node-compression-experiments` (manifest) generated 1 warning
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap v4.5.7
[INFO] [stderr]   Downloaded cc v1.0.101
[INFO] [stderr]   Downloaded exitcode v1.1.2
[INFO] [stderr]   Downloaded test-log v0.2.16
[INFO] [stderr]   Downloaded diffs v0.5.1
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[INFO] [stderr]   Downloaded bitstream-io v2.4.2
[INFO] [stderr]   Downloaded clap_builder v4.5.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6
[INFO] running `Command { std: "docker" "start" "832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6" "/opt/rustwide/cargo-home/bin/cargo" "+8ac0915e346f9a2e49ca3951b642c55bd7d1eaab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `test-log` dependency)
[INFO] [stderr] warning: `node-compression-experiments` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling jobserver v0.1.31
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[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
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[INFO] [stderr]    Compiling rustc_version v0.4.0
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[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling syn v2.0.68
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling crc32c v0.6.8
[INFO] [stderr]    Compiling thiserror v1.0.61
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[INFO] [stderr]    Compiling thiserror-impl v1.0.61
[INFO] [stderr]    Compiling num_enum_derive v0.7.2
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[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking num_enum v0.7.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking thinp v1.0.12 (https://github.com/jthornber/thin-provisioning-tools.git?branch=main#62694c64)
[INFO] [stderr]     Checking zstd v0.13.1
[INFO] [stderr]     Checking test-log v0.2.16
[INFO] [stderr]     Checking node-compression-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/dump.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dump.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]  --> src/dump.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/dump.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visit`
[INFO] [stdout]   --> src/dump.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 | use thinp::thin::ir::{self, MetadataVisitor, Visit};
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thinp::thin::metadata_repair::*`
[INFO] [stdout]   --> src/dump.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use thinp::thin::metadata_repair::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/packer.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::varint::*`
[INFO] [stdout]  --> src/packer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::varint::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Context`
[INFO] [stdout]  --> src/dump.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{anyhow, Context, Result};
[INFO] [stdout]   |                      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/dump.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::BufWriter`
[INFO] [stdout]  --> src/dump.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::BufWriter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> src/dump.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Visit`
[INFO] [stdout]   --> src/dump.rs:17:46
[INFO] [stdout]    |
[INFO] [stdout] 17 | use thinp::thin::ir::{self, MetadataVisitor, Visit};
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thinp::thin::metadata_repair::*`
[INFO] [stdout]   --> src/dump.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use thinp::thin::metadata_repair::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/packer.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{self};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::varint::*`
[INFO] [stdout]  --> src/packer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use crate::varint::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thinp::dump_utils`
[INFO] [stdout]   --> src/dump.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use thinp::dump_utils::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thinp::dump_utils`
[INFO] [stdout]   --> src/dump.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use thinp::dump_utils::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/packer.rs:551:21
[INFO] [stdout]     |
[INFO] [stdout] 551 |                 let len = m.len >> shift;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode_bytes`
[INFO] [stdout]    --> src/packer.rs:579:14
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let (opcode_bytes, arg_bytes, stats) = w.complete()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_bytes`
[INFO] [stdout]    --> src/packer.rs:579:28
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let (opcode_bytes, arg_bytes, stats) = w.complete()?;
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `report` is never read
[INFO] [stdout]    --> src/dump.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct ThinDumpContext {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 195 |     report: Arc<Report>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `highest_set_bit_position` is never used
[INFO] [stdout]   --> src/packer.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn highest_set_bit_position(n: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `u64_sub_to_i64` is never used
[INFO] [stdout]   --> src/packer.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn u64_sub_to_i64(a: u64, b: u64) -> i64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Repeat` is never constructed
[INFO] [stdout]   --> src/packer.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum Instruction {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 72 |     Repeat(u64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_hex` is never used
[INFO] [stdout]    --> src/packer.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn format_hex(bytes: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_varint` is never used
[INFO] [stdout]  --> src/varint.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn write_varint<W: Write>(writer: &mut W, mut value: u64) -> io::Result<()> {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_varint` is never used
[INFO] [stdout]   --> src/varint.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn read_varint<R: Read>(reader: &mut R) -> io::Result<u64> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]    --> src/packer.rs:551:21
[INFO] [stdout]     |
[INFO] [stdout] 551 |                 let len = m.len >> shift;
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode_bytes`
[INFO] [stdout]    --> src/packer.rs:579:14
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let (opcode_bytes, arg_bytes, stats) = w.complete()?;
[INFO] [stdout]     |              ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `arg_bytes`
[INFO] [stdout]    --> src/packer.rs:579:28
[INFO] [stdout]     |
[INFO] [stdout] 579 |         let (opcode_bytes, arg_bytes, stats) = w.complete()?;
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_arg_bytes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `report` is never read
[INFO] [stdout]    --> src/dump.rs:195:5
[INFO] [stdout]     |
[INFO] [stdout] 194 | struct ThinDumpContext {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 195 |     report: Arc<Report>,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `highest_set_bit_position` is never used
[INFO] [stdout]   --> src/packer.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn highest_set_bit_position(n: u8) -> u8 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Repeat` is never constructed
[INFO] [stdout]   --> src/packer.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 64 | enum Instruction {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 72 |     Repeat(u64),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `format_hex` is never used
[INFO] [stdout]    --> src/packer.rs:401:4
[INFO] [stdout]     |
[INFO] [stdout] 401 | fn format_hex(bytes: &[u8]) -> String {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         self.opcode_writer.byte_align();
[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] 345 |         let _ = self.opcode_writer.byte_align();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         self.opcode_writer.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let _ = self.opcode_writer.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         self.arg_writer.byte_align();
[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] 348 |         let _ = self.arg_writer.byte_align();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         self.arg_writer.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let _ = self.arg_writer.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:345:9
[INFO] [stdout]     |
[INFO] [stdout] 345 |         self.opcode_writer.byte_align();
[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] 345 |         let _ = self.opcode_writer.byte_align();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         self.opcode_writer.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 346 |         let _ = self.opcode_writer.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         self.arg_writer.byte_align();
[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] 348 |         let _ = self.arg_writer.byte_align();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/packer.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         self.arg_writer.flush();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 349 |         let _ = self.arg_writer.flush();
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PossibleValuesParser`
[INFO] [stdout]  --> src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::builder::{PossibleValuesParser, TypedValueParser};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgAction`
[INFO] [stdout]  --> src/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{value_parser, Arg, ArgAction};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PossibleValuesParser`
[INFO] [stdout]  --> src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::builder::{PossibleValuesParser, TypedValueParser};
[INFO] [stdout]   |                     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thinp::thin::metadata_repair::SuperblockOverrides`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use thinp::thin::metadata_repair::SuperblockOverrides;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ArgAction`
[INFO] [stdout]  --> src/main.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{value_parser, Arg, ArgAction};
[INFO] [stdout]   |                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thinp::thin::metadata_repair::SuperblockOverrides`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use thinp::thin::metadata_repair::SuperblockOverrides;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypedValueParser`
[INFO] [stdout]  --> src/main.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::builder::{PossibleValuesParser, TypedValueParser};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypedValueParser`
[INFO] [stdout]  --> src/main.rs:1:43
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::builder::{PossibleValuesParser, TypedValueParser};
[INFO] [stdout]   |                                           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected_devs`
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let selected_devs: Option<Vec<u64>> = matches
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected_devs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `selected_devs`
[INFO] [stdout]   --> src/main.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let selected_devs: Option<Vec<u64>> = matches
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_selected_devs`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.09s
[INFO] running `Command { std: "docker" "inspect" "832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6", kill_on_drop: false }`
[INFO] [stdout] 832b5f3931229b8818b6963f80d1bbb3bc3306ce888a29067d8e0e9c2dea60c6
