[INFO] cloning repository https://github.com/leakingtapan/git-internals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leakingtapan/git-internals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleakingtapan%2Fgit-internals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleakingtapan%2Fgit-internals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac4f9493a8a406ac7273e56d4b4ab8f4a9466cef
[INFO] testing leakingtapan/git-internals against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleakingtapan%2Fgit-internals" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/leakingtapan/git-internals on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leakingtapan/git-internals
[INFO] finished tweaking git repo https://github.com/leakingtapan/git-internals
[INFO] tweaked toml for git repo https://github.com/leakingtapan/git-internals written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/leakingtapan/git-internals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 47a2c7981213aead4a00ce2ffce5e55533ca6a89caa1413ffaff54bde7f1a963
[INFO] running `Command { std: "docker" "start" "-a" "47a2c7981213aead4a00ce2ffce5e55533ca6a89caa1413ffaff54bde7f1a963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47a2c7981213aead4a00ce2ffce5e55533ca6a89caa1413ffaff54bde7f1a963", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47a2c7981213aead4a00ce2ffce5e55533ca6a89caa1413ffaff54bde7f1a963", kill_on_drop: false }`
[INFO] [stdout] 47a2c7981213aead4a00ce2ffce5e55533ca6a89caa1413ffaff54bde7f1a963
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b5dbee49eaa3edbfaa50b7f3dcf89f630d6d720247c29a6d0e5b69fa6df4b6f0
[INFO] running `Command { std: "docker" "start" "-a" "b5dbee49eaa3edbfaa50b7f3dcf89f630d6d720247c29a6d0e5b69fa6df4b6f0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling sha-1 v0.10.0
[INFO] [stderr]    Compiling git-internal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/main.rs:219:19
[INFO] [stdout]     |
[INFO] [stdout] 219 |   let (committer, object) = split_once(object, b'\n')?;
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]    --> src/main.rs:360:7
[INFO] [stdout]     |
[INFO] [stdout] 360 |   let magic = read_bytes::<dyn Read, 4>(&mut file)?;
[INFO] [stdout]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/main.rs:640:25
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn read_unpacked_object(hash: Hash) -> io::Result<Object> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BRANCH_REFS_DIRECTORY`
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BRANCH_REFS_DIRECTORY: &str = ".git/refs/heads";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_branch_head`
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_branch_head(branch: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEAD_FILE`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const HEAD_FILE: &str = ".git/HEAD";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REF_PREFIX`
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const REF_PREFIX: &str = "ref: refs/heads/";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_head`
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_head() -> io::Result<Head> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Head`
[INFO] [stdout]   --> src/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum Head {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/main.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 |   fn get_hash(&self) -> io::Result<Hash> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_hash`
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn hex_to_hash(hex_hash: &[u8]) -> Option<Hash> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECTS_DIRECTORY`
[INFO] [stdout]    --> src/main.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 127 | const OBJECTS_DIRECTORY: &str = ".git/objects";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_object`
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn read_object(hash: Hash) -> io::Result<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMMIT_HEADER`
[INFO] [stdout]    --> src/main.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | const COMMIT_HEADER: &[u8] = b"commit ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TREE_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | const TREE_LINE_PREFIX: &[u8] = b"tree ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PARENT_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | const PARENT_LINE_PREFIX: &[u8] = b"parent ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUTHOR_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | const AUTHOR_LINE_PREFIX: &[u8] = b"author ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMMITTER_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | const COMMITTER_LINE_PREFIX: &[u8] = b"committer ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decimal_char_value`
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn decimal_char_value(decimal_char: u8) -> Option<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_decimal`
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn parse_decimal(decimal_str: &[u8]) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_once`
[INFO] [stdout]    --> src/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn split_once<T: PartialEq>(slice: &[T], delimiter: T) -> Option<(&[T], &[T])> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_header`
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn check_header<'a>(object: &'a [u8], header: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]    --> src/main.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   tree: Hash,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parents`
[INFO] [stdout]    --> src/main.rs:193:3
[INFO] [stdout]     |
[INFO] [stdout] 193 |   parents: Vec<Hash>,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `author`
[INFO] [stdout]    --> src/main.rs:194:3
[INFO] [stdout]     |
[INFO] [stdout] 194 |   author: String, // name, email, and timestamp (not parsed)
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `committer`
[INFO] [stdout]    --> src/main.rs:195:3
[INFO] [stdout]     |
[INFO] [stdout] 195 |   committer: String, // same contents as `author`
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]    --> src/main.rs:196:3
[INFO] [stdout]     |
[INFO] [stdout] 196 |   message: String, // includes commit description
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_commit`
[INFO] [stdout]    --> src/main.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn parse_commit(object: &[u8]) -> Option<Commit> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_commit`
[INFO] [stdout]    --> src/main.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn read_commit(hash: Hash) -> io::Result<Commit> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TREE_HEADER`
[INFO] [stdout]    --> src/main.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | const TREE_HEADER: &[u8] = b"tree ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Directory`
[INFO] [stdout]    --> src/main.rs:246:3
[INFO] [stdout]     |
[INFO] [stdout] 246 |   Directory,
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Mode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:244:10
[INFO] [stdout]     |
[INFO] [stdout] 244 | #[derive(Clone, Copy, Debug, PartialEq, Eq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]    --> src/main.rs:247:3
[INFO] [stdout]     |
[INFO] [stdout] 247 |   File,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Mode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:244:10
[INFO] [stdout]     |
[INFO] [stdout] 244 | #[derive(Clone, Copy, Debug, PartialEq, Eq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]    --> src/main.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 |   mode: Mode,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/main.rs:254:3
[INFO] [stdout]     |
[INFO] [stdout] 254 |   name: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]    --> src/main.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 |   hash: Hash,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_tree`
[INFO] [stdout]    --> src/main.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn parse_tree(object: &[u8]) -> Option<Tree> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_tree`
[INFO] [stdout]    --> src/main.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn read_tree(hash: Hash) -> io::Result<Tree> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOB_HEADER`
[INFO] [stdout]    --> src/main.rs:290:1
[INFO] [stdout]     |
[INFO] [stdout] 290 | const BLOB_HEADER: &[u8] = b"blob ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Blob`
[INFO] [stdout]    --> src/main.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | struct Blob(Vec<u8>);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_blob`
[INFO] [stdout]    --> src/main.rs:294:4
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn read_blob(hash: Hash) -> io::Result<Blob> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_file_blob`
[INFO] [stdout]    --> src/main.rs:302:4
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn get_file_blob(tree: Hash, path: &str) -> io::Result<Blob> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKS_DIRECTORY`
[INFO] [stdout]    --> src/main.rs:326:1
[INFO] [stdout]     |
[INFO] [stdout] 326 | const PACKS_DIRECTORY: &str = ".git/objects/pack";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_pack_index`
[INFO] [stdout]    --> src/main.rs:355:4
[INFO] [stdout]     |
[INFO] [stdout] 355 | fn read_pack_index(file: &str) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "b5dbee49eaa3edbfaa50b7f3dcf89f630d6d720247c29a6d0e5b69fa6df4b6f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5dbee49eaa3edbfaa50b7f3dcf89f630d6d720247c29a6d0e5b69fa6df4b6f0", kill_on_drop: false }`
[INFO] [stdout] b5dbee49eaa3edbfaa50b7f3dcf89f630d6d720247c29a6d0e5b69fa6df4b6f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f351c9e31deb1a1732250fe41c59af2ab68162297d4c4e02c5a7af59972600a
[INFO] running `Command { std: "docker" "start" "-a" "1f351c9e31deb1a1732250fe41c59af2ab68162297d4c4e02c5a7af59972600a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling git-internal v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]    --> src/main.rs:219:19
[INFO] [stdout]     |
[INFO] [stdout] 219 |   let (committer, object) = split_once(object, b'\n')?;
[INFO] [stdout]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `magic`
[INFO] [stdout]    --> src/main.rs:360:7
[INFO] [stdout]     |
[INFO] [stdout] 360 |   let magic = read_bytes::<dyn Read, 4>(&mut file)?;
[INFO] [stdout]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hash`
[INFO] [stdout]    --> src/main.rs:640:25
[INFO] [stdout]     |
[INFO] [stdout] 640 | fn read_unpacked_object(hash: Hash) -> io::Result<Object> {
[INFO] [stdout]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BRANCH_REFS_DIRECTORY`
[INFO] [stdout]   --> src/main.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | const BRANCH_REFS_DIRECTORY: &str = ".git/refs/heads";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_branch_head`
[INFO] [stdout]   --> src/main.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn get_branch_head(branch: &str) -> io::Result<String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `HEAD_FILE`
[INFO] [stdout]   --> src/main.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | const HEAD_FILE: &str = ".git/HEAD";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `REF_PREFIX`
[INFO] [stdout]   --> src/main.rs:21:1
[INFO] [stdout]    |
[INFO] [stdout] 21 | const REF_PREFIX: &str = "ref: refs/heads/";
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_head`
[INFO] [stdout]   --> src/main.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn get_head() -> io::Result<Head> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum is never used: `Head`
[INFO] [stdout]   --> src/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 | enum Head {
[INFO] [stdout]    |      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_hash`
[INFO] [stdout]   --> src/main.rs:54:6
[INFO] [stdout]    |
[INFO] [stdout] 54 |   fn get_hash(&self) -> io::Result<Hash> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hex_to_hash`
[INFO] [stdout]    --> src/main.rs:105:4
[INFO] [stdout]     |
[INFO] [stdout] 105 | fn hex_to_hash(hex_hash: &[u8]) -> Option<Hash> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `OBJECTS_DIRECTORY`
[INFO] [stdout]    --> src/main.rs:127:1
[INFO] [stdout]     |
[INFO] [stdout] 127 | const OBJECTS_DIRECTORY: &str = ".git/objects";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_object`
[INFO] [stdout]    --> src/main.rs:130:4
[INFO] [stdout]     |
[INFO] [stdout] 130 | fn read_object(hash: Hash) -> io::Result<Vec<u8>> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMMIT_HEADER`
[INFO] [stdout]    --> src/main.rs:144:1
[INFO] [stdout]     |
[INFO] [stdout] 144 | const COMMIT_HEADER: &[u8] = b"commit ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TREE_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:145:1
[INFO] [stdout]     |
[INFO] [stdout] 145 | const TREE_LINE_PREFIX: &[u8] = b"tree ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PARENT_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:146:1
[INFO] [stdout]     |
[INFO] [stdout] 146 | const PARENT_LINE_PREFIX: &[u8] = b"parent ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `AUTHOR_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:147:1
[INFO] [stdout]     |
[INFO] [stdout] 147 | const AUTHOR_LINE_PREFIX: &[u8] = b"author ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COMMITTER_LINE_PREFIX`
[INFO] [stdout]    --> src/main.rs:148:1
[INFO] [stdout]     |
[INFO] [stdout] 148 | const COMMITTER_LINE_PREFIX: &[u8] = b"committer ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `decimal_char_value`
[INFO] [stdout]    --> src/main.rs:152:4
[INFO] [stdout]     |
[INFO] [stdout] 152 | fn decimal_char_value(decimal_char: u8) -> Option<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_decimal`
[INFO] [stdout]    --> src/main.rs:161:4
[INFO] [stdout]     |
[INFO] [stdout] 161 | fn parse_decimal(decimal_str: &[u8]) -> Option<usize> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `split_once`
[INFO] [stdout]    --> src/main.rs:172:4
[INFO] [stdout]     |
[INFO] [stdout] 172 | fn split_once<T: PartialEq>(slice: &[T], delimiter: T) -> Option<(&[T], &[T])> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `check_header`
[INFO] [stdout]    --> src/main.rs:179:4
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn check_header<'a>(object: &'a [u8], header: &[u8]) -> Option<&'a [u8]> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `tree`
[INFO] [stdout]    --> src/main.rs:192:3
[INFO] [stdout]     |
[INFO] [stdout] 192 |   tree: Hash,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parents`
[INFO] [stdout]    --> src/main.rs:193:3
[INFO] [stdout]     |
[INFO] [stdout] 193 |   parents: Vec<Hash>,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `author`
[INFO] [stdout]    --> src/main.rs:194:3
[INFO] [stdout]     |
[INFO] [stdout] 194 |   author: String, // name, email, and timestamp (not parsed)
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `committer`
[INFO] [stdout]    --> src/main.rs:195:3
[INFO] [stdout]     |
[INFO] [stdout] 195 |   committer: String, // same contents as `author`
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `message`
[INFO] [stdout]    --> src/main.rs:196:3
[INFO] [stdout]     |
[INFO] [stdout] 196 |   message: String, // includes commit description
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:190:10
[INFO] [stdout]     |
[INFO] [stdout] 190 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_commit`
[INFO] [stdout]    --> src/main.rs:199:4
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn parse_commit(object: &[u8]) -> Option<Commit> {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_commit`
[INFO] [stdout]    --> src/main.rs:235:4
[INFO] [stdout]     |
[INFO] [stdout] 235 | fn read_commit(hash: Hash) -> io::Result<Commit> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `TREE_HEADER`
[INFO] [stdout]    --> src/main.rs:242:1
[INFO] [stdout]     |
[INFO] [stdout] 242 | const TREE_HEADER: &[u8] = b"tree ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Directory`
[INFO] [stdout]    --> src/main.rs:246:3
[INFO] [stdout]     |
[INFO] [stdout] 246 |   Directory,
[INFO] [stdout]     |   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Mode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:244:10
[INFO] [stdout]     |
[INFO] [stdout] 244 | #[derive(Clone, Copy, Debug, PartialEq, Eq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `File`
[INFO] [stdout]    --> src/main.rs:247:3
[INFO] [stdout]     |
[INFO] [stdout] 247 |   File,
[INFO] [stdout]     |   ^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `Mode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:244:10
[INFO] [stdout]     |
[INFO] [stdout] 244 | #[derive(Clone, Copy, Debug, PartialEq, Eq)]
[INFO] [stdout]     |          ^^^^^        ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mode`
[INFO] [stdout]    --> src/main.rs:253:3
[INFO] [stdout]     |
[INFO] [stdout] 253 |   mode: Mode,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/main.rs:254:3
[INFO] [stdout]     |
[INFO] [stdout] 254 |   name: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]    --> src/main.rs:255:3
[INFO] [stdout]     |
[INFO] [stdout] 255 |   hash: Hash,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    --> src/main.rs:251:10
[INFO] [stdout]     |
[INFO] [stdout] 251 | #[derive(Debug)]
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_tree`
[INFO] [stdout]    --> src/main.rs:261:4
[INFO] [stdout]     |
[INFO] [stdout] 261 | fn parse_tree(object: &[u8]) -> Option<Tree> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_tree`
[INFO] [stdout]    --> src/main.rs:284:4
[INFO] [stdout]     |
[INFO] [stdout] 284 | fn read_tree(hash: Hash) -> io::Result<Tree> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `BLOB_HEADER`
[INFO] [stdout]    --> src/main.rs:290:1
[INFO] [stdout]     |
[INFO] [stdout] 290 | const BLOB_HEADER: &[u8] = b"blob ";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Blob`
[INFO] [stdout]    --> src/main.rs:292:8
[INFO] [stdout]     |
[INFO] [stdout] 292 | struct Blob(Vec<u8>);
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_blob`
[INFO] [stdout]    --> src/main.rs:294:4
[INFO] [stdout]     |
[INFO] [stdout] 294 | fn read_blob(hash: Hash) -> io::Result<Blob> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_file_blob`
[INFO] [stdout]    --> src/main.rs:302:4
[INFO] [stdout]     |
[INFO] [stdout] 302 | fn get_file_blob(tree: Hash, path: &str) -> io::Result<Blob> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `PACKS_DIRECTORY`
[INFO] [stdout]    --> src/main.rs:326:1
[INFO] [stdout]     |
[INFO] [stdout] 326 | const PACKS_DIRECTORY: &str = ".git/objects/pack";
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_pack_index`
[INFO] [stdout]    --> src/main.rs:355:4
[INFO] [stdout]     |
[INFO] [stdout] 355 | fn read_pack_index(file: &str) -> io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.58s
[INFO] running `Command { std: "docker" "inspect" "1f351c9e31deb1a1732250fe41c59af2ab68162297d4c4e02c5a7af59972600a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f351c9e31deb1a1732250fe41c59af2ab68162297d4c4e02c5a7af59972600a", kill_on_drop: false }`
[INFO] [stdout] 1f351c9e31deb1a1732250fe41c59af2ab68162297d4c4e02c5a7af59972600a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 70c7b732ce4bdb297ff314f0fd24fb8ecd7027d50576b58bf73e893bbbffac21
[INFO] running `Command { std: "docker" "start" "-a" "70c7b732ce4bdb297ff314f0fd24fb8ecd7027d50576b58bf73e893bbbffac21", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]    --> src/main.rs:219:19
[INFO] [stderr]     |
[INFO] [stderr] 219 |   let (committer, object) = split_once(object, b'\n')?;
[INFO] [stderr]     |                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `magic`
[INFO] [stderr]    --> src/main.rs:360:7
[INFO] [stderr]     |
[INFO] [stderr] 360 |   let magic = read_bytes::<dyn Read, 4>(&mut file)?;
[INFO] [stderr]     |       ^^^^^ help: if this is intentional, prefix it with an underscore: `_magic`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hash`
[INFO] [stderr]    --> src/main.rs:640:25
[INFO] [stderr]     |
[INFO] [stderr] 640 | fn read_unpacked_object(hash: Hash) -> io::Result<Object> {
[INFO] [stderr]     |                         ^^^^ help: if this is intentional, prefix it with an underscore: `_hash`
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BRANCH_REFS_DIRECTORY`
[INFO] [stderr]   --> src/main.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const BRANCH_REFS_DIRECTORY: &str = ".git/refs/heads";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_branch_head`
[INFO] [stderr]   --> src/main.rs:14:4
[INFO] [stderr]    |
[INFO] [stderr] 14 | fn get_branch_head(branch: &str) -> io::Result<String> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `HEAD_FILE`
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const HEAD_FILE: &str = ".git/HEAD";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `REF_PREFIX`
[INFO] [stderr]   --> src/main.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const REF_PREFIX: &str = "ref: refs/heads/";
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_head`
[INFO] [stderr]   --> src/main.rs:23:4
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn get_head() -> io::Result<Head> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Head`
[INFO] [stderr]   --> src/main.rs:48:6
[INFO] [stderr]    |
[INFO] [stderr] 48 | enum Head {
[INFO] [stderr]    |      ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_hash`
[INFO] [stderr]   --> src/main.rs:54:6
[INFO] [stderr]    |
[INFO] [stderr] 54 |   fn get_hash(&self) -> io::Result<Hash> {
[INFO] [stderr]    |      ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `hex_to_hash`
[INFO] [stderr]    --> src/main.rs:105:4
[INFO] [stderr]     |
[INFO] [stderr] 105 | fn hex_to_hash(hex_hash: &[u8]) -> Option<Hash> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `OBJECTS_DIRECTORY`
[INFO] [stderr]    --> src/main.rs:127:1
[INFO] [stderr]     |
[INFO] [stderr] 127 | const OBJECTS_DIRECTORY: &str = ".git/objects";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_object`
[INFO] [stderr]    --> src/main.rs:130:4
[INFO] [stderr]     |
[INFO] [stderr] 130 | fn read_object(hash: Hash) -> io::Result<Vec<u8>> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COMMIT_HEADER`
[INFO] [stderr]    --> src/main.rs:144:1
[INFO] [stderr]     |
[INFO] [stderr] 144 | const COMMIT_HEADER: &[u8] = b"commit ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `TREE_LINE_PREFIX`
[INFO] [stderr]    --> src/main.rs:145:1
[INFO] [stderr]     |
[INFO] [stderr] 145 | const TREE_LINE_PREFIX: &[u8] = b"tree ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PARENT_LINE_PREFIX`
[INFO] [stderr]    --> src/main.rs:146:1
[INFO] [stderr]     |
[INFO] [stderr] 146 | const PARENT_LINE_PREFIX: &[u8] = b"parent ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `AUTHOR_LINE_PREFIX`
[INFO] [stderr]    --> src/main.rs:147:1
[INFO] [stderr]     |
[INFO] [stderr] 147 | const AUTHOR_LINE_PREFIX: &[u8] = b"author ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COMMITTER_LINE_PREFIX`
[INFO] [stderr]    --> src/main.rs:148:1
[INFO] [stderr]     |
[INFO] [stderr] 148 | const COMMITTER_LINE_PREFIX: &[u8] = b"committer ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `decimal_char_value`
[INFO] [stderr]    --> src/main.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn decimal_char_value(decimal_char: u8) -> Option<u8> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_decimal`
[INFO] [stderr]    --> src/main.rs:161:4
[INFO] [stderr]     |
[INFO] [stderr] 161 | fn parse_decimal(decimal_str: &[u8]) -> Option<usize> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `split_once`
[INFO] [stderr]    --> src/main.rs:172:4
[INFO] [stderr]     |
[INFO] [stderr] 172 | fn split_once<T: PartialEq>(slice: &[T], delimiter: T) -> Option<(&[T], &[T])> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_header`
[INFO] [stderr]    --> src/main.rs:179:4
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn check_header<'a>(object: &'a [u8], header: &[u8]) -> Option<&'a [u8]> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `tree`
[INFO] [stderr]    --> src/main.rs:192:3
[INFO] [stderr]     |
[INFO] [stderr] 192 |   tree: Hash,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `parents`
[INFO] [stderr]    --> src/main.rs:193:3
[INFO] [stderr]     |
[INFO] [stderr] 193 |   parents: Vec<Hash>,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `author`
[INFO] [stderr]    --> src/main.rs:194:3
[INFO] [stderr]     |
[INFO] [stderr] 194 |   author: String, // name, email, and timestamp (not parsed)
[INFO] [stderr]     |   ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `committer`
[INFO] [stderr]    --> src/main.rs:195:3
[INFO] [stderr]     |
[INFO] [stderr] 195 |   committer: String, // same contents as `author`
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `message`
[INFO] [stderr]    --> src/main.rs:196:3
[INFO] [stderr]     |
[INFO] [stderr] 196 |   message: String, // includes commit description
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Commit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:190:10
[INFO] [stderr]     |
[INFO] [stderr] 190 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_commit`
[INFO] [stderr]    --> src/main.rs:199:4
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn parse_commit(object: &[u8]) -> Option<Commit> {
[INFO] [stderr]     |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_commit`
[INFO] [stderr]    --> src/main.rs:235:4
[INFO] [stderr]     |
[INFO] [stderr] 235 | fn read_commit(hash: Hash) -> io::Result<Commit> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `TREE_HEADER`
[INFO] [stderr]    --> src/main.rs:242:1
[INFO] [stderr]     |
[INFO] [stderr] 242 | const TREE_HEADER: &[u8] = b"tree ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Directory`
[INFO] [stderr]    --> src/main.rs:246:3
[INFO] [stderr]     |
[INFO] [stderr] 246 |   Directory,
[INFO] [stderr]     |   ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Mode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:244:10
[INFO] [stderr]     |
[INFO] [stderr] 244 | #[derive(Clone, Copy, Debug, PartialEq, Eq)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `File`
[INFO] [stderr]    --> src/main.rs:247:3
[INFO] [stderr]     |
[INFO] [stderr] 247 |   File,
[INFO] [stderr]     |   ^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `Mode` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:244:10
[INFO] [stderr]     |
[INFO] [stderr] 244 | #[derive(Clone, Copy, Debug, PartialEq, Eq)]
[INFO] [stderr]     |          ^^^^^        ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Clone` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mode`
[INFO] [stderr]    --> src/main.rs:253:3
[INFO] [stderr]     |
[INFO] [stderr] 253 |   mode: Mode,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]    --> src/main.rs:254:3
[INFO] [stderr]     |
[INFO] [stderr] 254 |   name: String,
[INFO] [stderr]     |   ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hash`
[INFO] [stderr]    --> src/main.rs:255:3
[INFO] [stderr]     |
[INFO] [stderr] 255 |   hash: Hash,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: `TreeEntry` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    --> src/main.rs:251:10
[INFO] [stderr]     |
[INFO] [stderr] 251 | #[derive(Debug)]
[INFO] [stderr]     |          ^^^^^
[INFO] [stderr]     = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_tree`
[INFO] [stderr]    --> src/main.rs:261:4
[INFO] [stderr]     |
[INFO] [stderr] 261 | fn parse_tree(object: &[u8]) -> Option<Tree> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_tree`
[INFO] [stderr]    --> src/main.rs:284:4
[INFO] [stderr]     |
[INFO] [stderr] 284 | fn read_tree(hash: Hash) -> io::Result<Tree> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `BLOB_HEADER`
[INFO] [stderr]    --> src/main.rs:290:1
[INFO] [stderr]     |
[INFO] [stderr] 290 | const BLOB_HEADER: &[u8] = b"blob ";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Blob`
[INFO] [stderr]    --> src/main.rs:292:8
[INFO] [stderr]     |
[INFO] [stderr] 292 | struct Blob(Vec<u8>);
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_blob`
[INFO] [stderr]    --> src/main.rs:294:4
[INFO] [stderr]     |
[INFO] [stderr] 294 | fn read_blob(hash: Hash) -> io::Result<Blob> {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_file_blob`
[INFO] [stderr]    --> src/main.rs:302:4
[INFO] [stderr]     |
[INFO] [stderr] 302 | fn get_file_blob(tree: Hash, path: &str) -> io::Result<Blob> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `PACKS_DIRECTORY`
[INFO] [stderr]    --> src/main.rs:326:1
[INFO] [stderr]     |
[INFO] [stderr] 326 | const PACKS_DIRECTORY: &str = ".git/objects/pack";
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_pack_index`
[INFO] [stderr]    --> src/main.rs:355:4
[INFO] [stderr]     |
[INFO] [stderr] 355 | fn read_pack_index(file: &str) -> io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `git-internal` (bin "git-internal" test) generated 43 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/git_internal-7f9bf48666cfe0b8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_hash_empty ... ok
[INFO] [stdout] test test_hash_valid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "70c7b732ce4bdb297ff314f0fd24fb8ecd7027d50576b58bf73e893bbbffac21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70c7b732ce4bdb297ff314f0fd24fb8ecd7027d50576b58bf73e893bbbffac21", kill_on_drop: false }`
[INFO] [stdout] 70c7b732ce4bdb297ff314f0fd24fb8ecd7027d50576b58bf73e893bbbffac21