[INFO] cloning repository https://github.com/strickvl/zenlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strickvl/zenlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrickvl%2Fzenlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrickvl%2Fzenlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6355c5cfff08304b1081129b273a07c3820b1487
[INFO] checking strickvl/zenlings against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrickvl%2Fzenlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/strickvl/zenlings
[INFO] finished tweaking git repo https://github.com/strickvl/zenlings
[INFO] tweaked toml for git repo https://github.com/strickvl/zenlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/strickvl/zenlings on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/strickvl/zenlings 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking strickvl/zenlings against try#7b3da9103634dffd4f4365cfd8642427c781d99f+rustflags=-Dinherent-method-on-receiver for 152214-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrickvl%2Fzenlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/strickvl/zenlings
[INFO] finished tweaking git repo https://github.com/strickvl/zenlings
[INFO] tweaked toml for git repo https://github.com/strickvl/zenlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/strickvl/zenlings on toolchain 7b3da9103634dffd4f4365cfd8642427c781d99f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/strickvl/zenlings 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" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zmij v1.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df08f7cd5bf5b70193910a2b66add857181576a52489e6c8ec9dab7dd60ca63a
[INFO] running `Command { std: "docker" "start" "-a" "df08f7cd5bf5b70193910a2b66add857181576a52489e6c8ec9dab7dd60ca63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df08f7cd5bf5b70193910a2b66add857181576a52489e6c8ec9dab7dd60ca63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df08f7cd5bf5b70193910a2b66add857181576a52489e6c8ec9dab7dd60ca63a", kill_on_drop: false }`
[INFO] [stdout] df08f7cd5bf5b70193910a2b66add857181576a52489e6c8ec9dab7dd60ca63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid -Dinherent-method-on-receiver" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+7b3da9103634dffd4f4365cfd8642427c781d99f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7f020610869f01f4b7fc93f2a98e2c8820bee591f43af4890646526284cfbb4
[INFO] running `Command { std: "docker" "start" "-a" "a7f020610869f01f4b7fc93f2a98e2c8820bee591f43af4890646526284cfbb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]     Checking hashbrown v0.16.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling zmij v1.0.18
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking aho-corasick v1.1.4
[INFO] [stderr]     Checking regex-syntax v0.8.8
[INFO] [stderr]     Checking toml_write v0.1.2
[INFO] [stderr]     Checking filetime v0.2.27
[INFO] [stderr]     Checking clap_builder v4.5.56
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking signal-hook-mio v0.2.5
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking indexmap v2.13.0
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking regex-automata v0.4.13
[INFO] [stderr]     Checking regex v1.12.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]     Checking clap v4.5.56
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking zenlings v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `pack_root` is never read
[INFO] [stdout]   --> src/app_state.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct AppState {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 54 |     pub pack_root: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load_from_cwd` is never used
[INFO] [stdout]   --> src/app_state.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl AppState {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn load_from_cwd() -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `verify_step_count` is never read
[INFO] [stdout]   --> src/exercise.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Exercise {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub verify_step_count: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exercise` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hint_for` is never used
[INFO] [stdout]  --> src/hints.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn hint_for(exercise: &Exercise) -> Option<&str> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hints_used_count` is never used
[INFO] [stdout]   --> src/hints.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn hints_used_count(progress: &ProgressFile, exercise_name: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `python_exit_ok`, `python_output`, `zenml_checked`, and `zenml_output` are never read
[INFO] [stdout]   --> src/verify.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct VerifyResult {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub python_exit_ok: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub python_output: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub zenml_checked: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub zenml_output: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VerifyResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_output` is never used
[INFO] [stdout]   --> src/verify.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl VerifyResult {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn display_output(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verify.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Done(bool), // exit success
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OutputLine` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 78 -     Done(bool), // exit success
[INFO] [stdout] 78 +     Done(()), // exit success
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_exercise_simple` is never used
[INFO] [stdout]    --> src/verify.rs:270:8
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn verify_exercise_simple(exercise: &Exercise, opts: &VerifyOptions) -> Result<VerifyResult> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_zenml_stack_info` is never used
[INFO] [stdout]    --> src/verify.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | pub fn get_zenml_stack_info(opts: &VerifyOptions) -> Result<Option<String>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/watch.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FileChanged(PathBuf),
[INFO] [stdout]    |     ----------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WatchEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     FileChanged(PathBuf),
[INFO] [stdout] 16 +     FileChanged(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/watch.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Error(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WatchEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Error(String),
[INFO] [stdout] 18 +     Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Debouncer` is never constructed
[INFO] [stdout]   --> src/watch.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Debouncer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `should_process`, `ready_to_trigger`, and `reset` are never used
[INFO] [stdout]    --> src/watch.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Debouncer {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  99 |     pub fn new(debounce_ms: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn should_process(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn ready_to_trigger(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `pack_root` is never read
[INFO] [stdout]   --> src/app_state.rs:54:9
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct AppState {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 54 |     pub pack_root: PathBuf,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `load_from_cwd` is never used
[INFO] [stdout]   --> src/app_state.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl AppState {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |     pub fn load_from_cwd() -> Result<Self> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `verify_step_count` is never read
[INFO] [stdout]   --> src/exercise.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Exercise {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 53 |     pub verify_step_count: Option<u64>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Exercise` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hint_for` is never used
[INFO] [stdout]  --> src/hints.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn hint_for(exercise: &Exercise) -> Option<&str> {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hints_used_count` is never used
[INFO] [stdout]   --> src/hints.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn hints_used_count(progress: &ProgressFile, exercise_name: &str) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `python_exit_ok`, `python_output`, `zenml_checked`, and `zenml_output` are never read
[INFO] [stdout]   --> src/verify.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct VerifyResult {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 29 |     pub python_exit_ok: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     pub python_output: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub zenml_checked: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 34 |     pub zenml_output: String,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `VerifyResult` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `display_output` is never used
[INFO] [stdout]   --> src/verify.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl VerifyResult {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn display_output(&self) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/verify.rs:78:10
[INFO] [stdout]    |
[INFO] [stdout] 78 |     Done(bool), // exit success
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `OutputLine` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 78 -     Done(bool), // exit success
[INFO] [stdout] 78 +     Done(()), // exit success
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `verify_exercise_simple` is never used
[INFO] [stdout]    --> src/verify.rs:270:8
[INFO] [stdout]     |
[INFO] [stdout] 270 | pub fn verify_exercise_simple(exercise: &Exercise, opts: &VerifyOptions) -> Result<VerifyResult> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_zenml_stack_info` is never used
[INFO] [stdout]    --> src/verify.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 | pub fn get_zenml_stack_info(opts: &VerifyOptions) -> Result<Option<String>> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/watch.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |     FileChanged(PathBuf),
[INFO] [stdout]    |     ----------- ^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WatchEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 16 -     FileChanged(PathBuf),
[INFO] [stdout] 16 +     FileChanged(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/watch.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Error(String),
[INFO] [stdout]    |     ----- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `WatchEvent` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     Error(String),
[INFO] [stdout] 18 +     Error(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Debouncer` is never constructed
[INFO] [stdout]   --> src/watch.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 | pub struct Debouncer {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `should_process`, `ready_to_trigger`, and `reset` are never used
[INFO] [stdout]    --> src/watch.rs:99:12
[INFO] [stdout]     |
[INFO] [stdout]  98 | impl Debouncer {
[INFO] [stdout]     | -------------- associated items in this implementation
[INFO] [stdout]  99 |     pub fn new(debounce_ms: u64) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     pub fn should_process(&mut self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     pub fn ready_to_trigger(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn reset(&mut self) {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.01s
[INFO] running `Command { std: "docker" "inspect" "a7f020610869f01f4b7fc93f2a98e2c8820bee591f43af4890646526284cfbb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7f020610869f01f4b7fc93f2a98e2c8820bee591f43af4890646526284cfbb4", kill_on_drop: false }`
[INFO] [stdout] a7f020610869f01f4b7fc93f2a98e2c8820bee591f43af4890646526284cfbb4
