[INFO] cloning repository https://github.com/ttaloumtzis/bittree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ttaloumtzis/bittree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttaloumtzis%2Fbittree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttaloumtzis%2Fbittree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed91c84328b3589dab72e19e1edf2a055dfc9cab
[INFO] checking ttaloumtzis/bittree against 40527f3e444fde1deb361751bdef9b9e11d1b971+rustflags=--cfg crater_hack --force-warn invalid-c-variadic-arguments for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fttaloumtzis%2Fbittree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ttaloumtzis/bittree
[INFO] finished tweaking git repo https://github.com/ttaloumtzis/bittree
[INFO] tweaked toml for git repo https://github.com/ttaloumtzis/bittree written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ttaloumtzis/bittree on toolchain 40527f3e444fde1deb361751bdef9b9e11d1b971
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ttaloumtzis/bittree 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" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2
[INFO] running `Command { std: "docker" "start" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2", 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" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2", 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 --cfg crater_hack --force-warn invalid-c-variadic-arguments" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2" "/opt/rustwide/cargo-home/bin/cargo" "+40527f3e444fde1deb361751bdef9b9e11d1b971" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.107
[INFO] [stderr]    Compiling portable-atomic v1.14.0
[INFO] [stderr]     Checking unit-prefix v0.5.2
[INFO] [stderr]     Checking clap_builder v4.6.2
[INFO] [stderr]     Checking console v0.16.4
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]    Compiling quote v1.0.47
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking indicatif v0.18.6
[INFO] [stderr]    Compiling clap_derive v4.6.4
[INFO] [stderr]     Checking clap v4.6.4
[INFO] [stderr]     Checking bitree v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `write_path` is never used
[INFO] [stdout]   --> src/archive.rs:96:4
[INFO] [stdout]    |
[INFO] [stdout] 96 | fn write_path(out: &mut Vec<u8>, path_bytes: &[u8]) {
[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 `build_archive` is never used
[INFO] [stdout]    --> src/archive.rs:153:8
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub fn build_archive(root: &Path) -> Result<Vec<u8>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `extract_archive` is never used
[INFO] [stdout]    --> src/archive.rs:189:8
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub fn extract_archive(data: &[u8], dest_root: &Path) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BitWriter` is never constructed
[INFO] [stdout]  --> src/bitio.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BitWriter<W: Write> {
[INFO] [stdout]   |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `write_bit`, `write_bits`, `write_bits_value`, and `finish` are never used
[INFO] [stdout]   --> src/bitio.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<W: Write> BitWriter<W> {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 11 |     pub fn new(out: W) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn write_bit(&mut self, bit: bool) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn write_bits(&mut self, bits: &[bool]) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn write_bits_value(&mut self, mut value: u32, nbits: u8) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn finish(mut self) -> io::Result<W> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/codec/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Codec {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] 16 |     fn method_id(&self) -> u8;
[INFO] [stdout] 17 |     fn name(&self) -> &str;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_length` is never used
[INFO] [stdout]   --> src/codec/lz77.rs:68:8
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub fn decode_length(idx: usize, extra: u32) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_distance` is never used
[INFO] [stdout]   --> src/codec/lz77.rs:73:8
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn decode_distance(idx: usize, extra: u32) -> u16 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `total_in` and `history_byte` are never used
[INFO] [stdout]    --> src/codec/lz77.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl Lz77Encoder {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn total_in(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn history_byte(&self, abs_pos: u32) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_meta_bytes` is never used
[INFO] [stdout]   --> src/meta.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn read_meta_bytes(data: &[u8], pos: &mut usize) -> Result<FileMeta> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `write_bits_value` is never used
[INFO] [stdout]   --> src/bitio.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl<W: Write> BitWriter<W> {
[INFO] [stdout]    | --------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 36 |     pub fn write_bits_value(&mut self, mut value: u32, nbits: u8) -> io::Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `name` is never used
[INFO] [stdout]   --> src/codec/mod.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub trait Codec {
[INFO] [stdout]    |           ----- method in this trait
[INFO] [stdout] 16 |     fn method_id(&self) -> u8;
[INFO] [stdout] 17 |     fn name(&self) -> &str;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `total_in` and `history_byte` are never used
[INFO] [stdout]    --> src/codec/lz77.rs:149:12
[INFO] [stdout]     |
[INFO] [stdout] 127 | impl Lz77Encoder {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn total_in(&self) -> u64 {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn history_byte(&self, abs_pos: u32) -> u8 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_meta_bytes` is never used
[INFO] [stdout]   --> src/meta.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn read_meta_bytes(data: &[u8], pos: &mut usize) -> Result<FileMeta> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.99s
[INFO] running `Command { std: "docker" "inspect" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2", kill_on_drop: false }`
[INFO] [stdout] bf897e966f17db8a47cb13e7b611814d925091415c3c693fc8cd12ea0a4df6e2
