[INFO] cloning repository https://github.com/ogioldat/comprehansive-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ogioldat/comprehansive-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogioldat%2Fcomprehansive-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogioldat%2Fcomprehansive-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 299c846bb96d1764bb4921cfa864f45a21e68082
[INFO] testing ogioldat/comprehansive-rust against beta-2025-10-28 for beta-1.92-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fogioldat%2Fcomprehansive-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ogioldat/comprehansive-rust
[INFO] finished tweaking git repo https://github.com/ogioldat/comprehansive-rust
[INFO] tweaked toml for git repo https://github.com/ogioldat/comprehansive-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ogioldat/comprehansive-rust on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ogioldat/comprehansive-rust 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef35c7bb24559699ec07d6a698d5f13c108784bf7ecc47587c0a4948db68b9a4
[INFO] running `Command { std: "docker" "start" "-a" "ef35c7bb24559699ec07d6a698d5f13c108784bf7ecc47587c0a4948db68b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef35c7bb24559699ec07d6a698d5f13c108784bf7ecc47587c0a4948db68b9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef35c7bb24559699ec07d6a698d5f13c108784bf7ecc47587c0a4948db68b9a4", kill_on_drop: false }`
[INFO] [stdout] ef35c7bb24559699ec07d6a698d5f13c108784bf7ecc47587c0a4948db68b9a4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c26e2d15dc533a1a37c69e2f1b72caaf300ea6f105bc296de0fb87030ee11f6f
[INFO] running `Command { std: "docker" "start" "-a" "c26e2d15dc533a1a37c69e2f1b72caaf300ea6f105bc296de0fb87030ee11f6f", kill_on_drop: false }`
[INFO] [stderr]    Compiling compr-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/builder_type.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn new(name: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder_type.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn authors(mut self, authors: Vec<String>) -> Self {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `authors`
[INFO] [stdout]   --> src/builder_type.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn authors(mut self, authors: Vec<String>) -> Self {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder_type.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn dependency(mut self, dependency: Dependency) -> Self {
[INFO] [stdout]    |                   ----^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependency`
[INFO] [stdout]   --> src/builder_type.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn dependency(mut self, dependency: Dependency) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependency`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder_type.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn language(mut self, language: Language) -> Self {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `language`
[INFO] [stdout]   --> src/builder_type.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn language(mut self, language: Language) -> Self {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Java` and `Perl` are never constructed
[INFO] [stdout]  --> src/builder_type.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Language {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Rust,
[INFO] [stdout] 4 |     Java,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Perl,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `version_expression` are never read
[INFO] [stdout]   --> src/builder_type.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Dependency {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     version_expression: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dependency` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `authors`, `dependencies`, and `language` are never read
[INFO] [stdout]   --> src/builder_type.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Package {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     version: String,
[INFO] [stdout] 19 |     authors: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     dependencies: Vec<Dependency>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 21 |     language: Option<Language>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Package` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]  --> src/counter.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Counter<K: Hash + Eq> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `count`, and `times_seen` are never used
[INFO] [stdout]   --> src/counter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<K: Hash + Eq> Counter<K> {
[INFO] [stdout]    | ----------------------------- associated items in this implementation
[INFO] [stdout] 10 |     /// Create a new Counter.
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn count(&mut self, value: K) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn times_seen(&self, value: K) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter` is never used
[INFO] [stdout]   --> src/counter.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn counter() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LessThan` is never used
[INFO] [stdout]  --> src/generic_min.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait LessThan {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Citation` is never constructed
[INFO] [stdout]  --> src/generic_min.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Citation {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]   --> src/generic_min.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn min<T: LessThan>(c1: T, c2: T) -> T {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generic_min` is never used
[INFO] [stdout]   --> src/generic_min.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generic_min() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Logger` is never used
[INFO] [stdout]  --> src/logger.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Logger {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StderrLogger` is never constructed
[INFO] [stdout]  --> src/logger.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct StderrLogger;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_things` is never used
[INFO] [stdout]   --> src/logger.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn do_things(logger: &impl Logger) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VerbosityFilter` is never constructed
[INFO] [stdout]   --> src/logger.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct VerbosityFilter<T: Logger> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `logger` is never used
[INFO] [stdout]   --> src/logger.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn logger() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RotDecoder` is never constructed
[INFO] [stdout]  --> src/rot.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct RotDecoder<R: Read> {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rot` is never used
[INFO] [stdout]   --> src/rot.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn rot() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "c26e2d15dc533a1a37c69e2f1b72caaf300ea6f105bc296de0fb87030ee11f6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c26e2d15dc533a1a37c69e2f1b72caaf300ea6f105bc296de0fb87030ee11f6f", kill_on_drop: false }`
[INFO] [stdout] c26e2d15dc533a1a37c69e2f1b72caaf300ea6f105bc296de0fb87030ee11f6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 742e619c494cfce33db01ed8240f0d0713e9a4cd768340ab1ff6c05add9a687f
[INFO] running `Command { std: "docker" "start" "-a" "742e619c494cfce33db01ed8240f0d0713e9a4cd768340ab1ff6c05add9a687f", kill_on_drop: false }`
[INFO] [stderr]    Compiling compr-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/builder_type.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn new(name: impl Into<String>) -> Self {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder_type.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn authors(mut self, authors: Vec<String>) -> Self {
[INFO] [stdout]    |                ----^^^^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `authors`
[INFO] [stdout]   --> src/builder_type.rs:47:26
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn authors(mut self, authors: Vec<String>) -> Self {
[INFO] [stdout]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authors`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder_type.rs:52:19
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn dependency(mut self, dependency: Dependency) -> Self {
[INFO] [stdout]    |                   ----^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dependency`
[INFO] [stdout]   --> src/builder_type.rs:52:29
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn dependency(mut self, dependency: Dependency) -> Self {
[INFO] [stdout]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependency`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/builder_type.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn language(mut self, language: Language) -> Self {
[INFO] [stdout]    |                 ----^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `language`
[INFO] [stdout]   --> src/builder_type.rs:57:27
[INFO] [stdout]    |
[INFO] [stdout] 57 |     fn language(mut self, language: Language) -> Self {
[INFO] [stdout]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Java` and `Perl` are never constructed
[INFO] [stdout]  --> src/builder_type.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum Language {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 3 |     Rust,
[INFO] [stdout] 4 |     Java,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 5 |     Perl,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `version_expression` are never read
[INFO] [stdout]   --> src/builder_type.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | struct Dependency {
[INFO] [stdout]    |        ---------- fields in this struct
[INFO] [stdout] 10 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 11 |     version_expression: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Dependency` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name`, `authors`, `dependencies`, and `language` are never read
[INFO] [stdout]   --> src/builder_type.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | struct Package {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 17 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 18 |     version: String,
[INFO] [stdout] 19 |     authors: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     dependencies: Vec<Dependency>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 21 |     language: Option<Language>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Package` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Counter` is never constructed
[INFO] [stdout]  --> src/counter.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct Counter<K: Hash + Eq> {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `count`, and `times_seen` are never used
[INFO] [stdout]   --> src/counter.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl<K: Hash + Eq> Counter<K> {
[INFO] [stdout]    | ----------------------------- associated items in this implementation
[INFO] [stdout] 10 |     /// Create a new Counter.
[INFO] [stdout] 11 |     fn new() -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     fn count(&mut self, value: K) {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     fn times_seen(&self, value: K) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `counter` is never used
[INFO] [stdout]   --> src/counter.rs:32:8
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub fn counter() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `LessThan` is never used
[INFO] [stdout]  --> src/generic_min.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | trait LessThan {
[INFO] [stdout]   |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Citation` is never constructed
[INFO] [stdout]  --> src/generic_min.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Citation {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `min` is never used
[INFO] [stdout]   --> src/generic_min.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn min<T: LessThan>(c1: T, c2: T) -> T {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `generic_min` is never used
[INFO] [stdout]   --> src/generic_min.rs:33:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub fn generic_min() {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Logger` is never used
[INFO] [stdout]  --> src/logger.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait Logger {
[INFO] [stdout]   |           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StderrLogger` is never constructed
[INFO] [stdout]  --> src/logger.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct StderrLogger;
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_things` is never used
[INFO] [stdout]   --> src/logger.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn do_things(logger: &impl Logger) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VerbosityFilter` is never constructed
[INFO] [stdout]   --> src/logger.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct VerbosityFilter<T: Logger> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `logger` is never used
[INFO] [stdout]   --> src/logger.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn logger() {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rot` is never used
[INFO] [stdout]   --> src/rot.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub fn rot() {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "742e619c494cfce33db01ed8240f0d0713e9a4cd768340ab1ff6c05add9a687f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "742e619c494cfce33db01ed8240f0d0713e9a4cd768340ab1ff6c05add9a687f", kill_on_drop: false }`
[INFO] [stdout] 742e619c494cfce33db01ed8240f0d0713e9a4cd768340ab1ff6c05add9a687f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d98591534c91e34dd426e52a2287d23bf6482a66915a543360e6feb2676804f6
[INFO] running `Command { std: "docker" "start" "-a" "d98591534c91e34dd426e52a2287d23bf6482a66915a543360e6feb2676804f6", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/builder_type.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |     fn new(name: impl Into<String>) -> Self {
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder_type.rs:47:16
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn authors(mut self, authors: Vec<String>) -> Self {
[INFO] [stderr]    |                ----^^^^
[INFO] [stderr]    |                |
[INFO] [stderr]    |                help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `authors`
[INFO] [stderr]   --> src/builder_type.rs:47:26
[INFO] [stderr]    |
[INFO] [stderr] 47 |     fn authors(mut self, authors: Vec<String>) -> Self {
[INFO] [stderr]    |                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_authors`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder_type.rs:52:19
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn dependency(mut self, dependency: Dependency) -> Self {
[INFO] [stderr]    |                   ----^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `dependency`
[INFO] [stderr]   --> src/builder_type.rs:52:29
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn dependency(mut self, dependency: Dependency) -> Self {
[INFO] [stderr]    |                             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_dependency`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/builder_type.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn language(mut self, language: Language) -> Self {
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `language`
[INFO] [stderr]   --> src/builder_type.rs:57:27
[INFO] [stderr]    |
[INFO] [stderr] 57 |     fn language(mut self, language: Language) -> Self {
[INFO] [stderr]    |                           ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_language`
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Java` and `Perl` are never constructed
[INFO] [stderr]  --> src/builder_type.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum Language {
[INFO] [stderr]   |      -------- variants in this enum
[INFO] [stderr] 3 |     Rust,
[INFO] [stderr] 4 |     Java,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 5 |     Perl,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `version_expression` are never read
[INFO] [stderr]   --> src/builder_type.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | struct Dependency {
[INFO] [stderr]    |        ---------- fields in this struct
[INFO] [stderr] 10 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 11 |     version_expression: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Dependency` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name`, `authors`, `dependencies`, and `language` are never read
[INFO] [stderr]   --> src/builder_type.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct Package {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 17 |     name: String,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 18 |     version: String,
[INFO] [stderr] 19 |     authors: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 20 |     dependencies: Vec<Dependency>,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 21 |     language: Option<Language>,
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Package` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Counter` is never constructed
[INFO] [stderr]  --> src/counter.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | struct Counter<K: Hash + Eq> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `count`, and `times_seen` are never used
[INFO] [stderr]   --> src/counter.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl<K: Hash + Eq> Counter<K> {
[INFO] [stderr]    | ----------------------------- associated items in this implementation
[INFO] [stderr] 10 |     /// Create a new Counter.
[INFO] [stderr] 11 |     fn new() -> Self {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     fn count(&mut self, value: K) {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     fn times_seen(&self, value: K) -> u64 {
[INFO] [stderr]    |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `counter` is never used
[INFO] [stderr]   --> src/counter.rs:32:8
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub fn counter() {
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `LessThan` is never used
[INFO] [stderr]  --> src/generic_min.rs:1:7
[INFO] [stderr]   |
[INFO] [stderr] 1 | trait LessThan {
[INFO] [stderr]   |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Citation` is never constructed
[INFO] [stderr]  --> src/generic_min.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | struct Citation {
[INFO] [stderr]   |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `min` is never used
[INFO] [stderr]   --> src/generic_min.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn min<T: LessThan>(c1: T, c2: T) -> T {
[INFO] [stderr]    |    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `generic_min` is never used
[INFO] [stderr]   --> src/generic_min.rs:33:8
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub fn generic_min() {
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Logger` is never used
[INFO] [stderr]  --> src/logger.rs:3:11
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub trait Logger {
[INFO] [stderr]   |           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `StderrLogger` is never constructed
[INFO] [stderr]  --> src/logger.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct StderrLogger;
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `do_things` is never used
[INFO] [stderr]   --> src/logger.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn do_things(logger: &impl Logger) {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `VerbosityFilter` is never constructed
[INFO] [stderr]   --> src/logger.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | struct VerbosityFilter<T: Logger> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `logger` is never used
[INFO] [stderr]   --> src/logger.rs:35:8
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn logger() {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `rot` is never used
[INFO] [stderr]   --> src/rot.rs:29:8
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub fn rot() {
[INFO] [stderr]    |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `compr-rust` (bin "compr-rust" test) generated 23 warnings (run `cargo fix --bin "compr-rust" -p compr-rust --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/compr_rust-850a8710650406a8)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test rot::test::binary ... ok
[INFO] [stdout] test rot::test::joke ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d98591534c91e34dd426e52a2287d23bf6482a66915a543360e6feb2676804f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d98591534c91e34dd426e52a2287d23bf6482a66915a543360e6feb2676804f6", kill_on_drop: false }`
[INFO] [stdout] d98591534c91e34dd426e52a2287d23bf6482a66915a543360e6feb2676804f6
