[INFO] cloning repository https://github.com/wantedbear007/rust-mastery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wantedbear007/rust-mastery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwantedbear007%2Frust-mastery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwantedbear007%2Frust-mastery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 32231df91fd07ce31963585e2e248fc35793117e
[INFO] checking wantedbear007/rust-mastery against try#8e819ff5434466e9a823e03871a1775ac7d84ddf for pr-156027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwantedbear007%2Frust-mastery" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wantedbear007/rust-mastery
[INFO] finished tweaking git repo https://github.com/wantedbear007/rust-mastery
[INFO] tweaked toml for git repo https://github.com/wantedbear007/rust-mastery written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wantedbear007/rust-mastery on toolchain 8e819ff5434466e9a823e03871a1775ac7d84ddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wantedbear007/rust-mastery 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" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking wantedbear007/rust-mastery against try#8e819ff5434466e9a823e03871a1775ac7d84ddf for pr-156027
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwantedbear007%2Frust-mastery" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wantedbear007/rust-mastery
[INFO] finished tweaking git repo https://github.com/wantedbear007/rust-mastery
[INFO] tweaked toml for git repo https://github.com/wantedbear007/rust-mastery written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wantedbear007/rust-mastery on toolchain 8e819ff5434466e9a823e03871a1775ac7d84ddf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wantedbear007/rust-mastery 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" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "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 tungstenite v0.29.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.29.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c5811943f5eb8d0745907d86b13f9b164ec2885617efba4d3aec9bd19bc08403
[INFO] running `Command { std: "docker" "start" "-a" "c5811943f5eb8d0745907d86b13f9b164ec2885617efba4d3aec9bd19bc08403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c5811943f5eb8d0745907d86b13f9b164ec2885617efba4d3aec9bd19bc08403", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5811943f5eb8d0745907d86b13f9b164ec2885617efba4d3aec9bd19bc08403", kill_on_drop: false }`
[INFO] [stdout] c5811943f5eb8d0745907d86b13f9b164ec2885617efba4d3aec9bd19bc08403
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+8e819ff5434466e9a823e03871a1775ac7d84ddf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a49ebdd3f93ed0001a6dce274a73285412b30dd9228b9c6f88e4eda34562f61
[INFO] running `Command { std: "docker" "start" "-a" "6a49ebdd3f93ed0001a6dce274a73285412b30dd9228b9c6f88e4eda34562f61", kill_on_drop: false }`
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[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.150
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[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking typenum v1.20.0
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[INFO] [stderr]    Compiling zerocopy v0.8.48
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[INFO] [stderr]    Compiling libc v0.2.186
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[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling futures-core v0.3.32
[INFO] [stderr]    Compiling utf8_iter v1.0.4
[INFO] [stderr]    Compiling pin-project-lite v0.2.17
[INFO] [stderr]     Checking sync_wrapper v1.0.2
[INFO] [stderr]     Checking rand_core v0.6.4
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[INFO] [stderr]    Compiling rustix v1.1.4
[INFO] [stderr]    Compiling crc-catalog v2.5.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.30.1
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[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]    Compiling futures-intrusive v0.5.0
[INFO] [stderr]    Compiling event-listener v5.4.1
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[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling hashlink v0.10.0
[INFO] [stderr]     Checking linux-raw-sys v0.12.1
[INFO] [stderr]    Compiling ryu v1.0.23
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling flume v0.11.1
[INFO] [stderr]    Compiling time-core v0.1.8
[INFO] [stderr]     Checking fastrand v2.4.1
[INFO] [stderr]    Compiling num-conv v0.2.2
[INFO] [stderr]     Checking deranged v0.5.8
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]     Checking uuid v1.23.1
[INFO] [stderr]     Checking serde_path_to_error v0.1.20
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]     Checking inout v0.1.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]    Compiling dotenvy v0.15.7
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking instant v0.1.13
[INFO] [stderr]     Checking blowfish v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.15
[INFO] [stderr]     Checking pem v3.0.6
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]     Checking notify-types v1.0.1
[INFO] [stderr]     Checking inotify v0.10.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling intermediate-ffi-intro v0.1.0 (/opt/rustwide/workdir/intermediate/ffi_intro)
[INFO] [stderr]     Checking time v0.3.47
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking notify v7.0.0
[INFO] [stderr]     Checking bcrypt v0.16.0
[INFO] [stderr]     Checking beginner-modules v0.1.0 (/opt/rustwide/workdir/beginner/modules)
[INFO] [stderr]     Checking advanced-arc-mutex v0.1.0 (/opt/rustwide/workdir/advanced/arc_mutex)
[INFO] [stderr]     Checking crossbeam v0.8.4
[INFO] [stdout] warning: function `simulate_extern_call` is never used
[INFO] [stdout]    --> intermediate/ffi_intro/src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn simulate_extern_call() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_value` is never used
[INFO] [stdout]    --> intermediate/ffi_intro/src/main.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |         fn compute_value(x: f64, n: i32) -> f64;
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stdout] warning: function `simulate_extern_call` is never used
[INFO] [stdout]    --> intermediate/ffi_intro/src/main.rs:192:4
[INFO] [stdout]     |
[INFO] [stdout] 192 | fn simulate_extern_call() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compute_value` is never used
[INFO] [stdout]    --> intermediate/ffi_intro/src/main.rs:197:12
[INFO] [stdout]     |
[INFO] [stdout] 197 |         fn compute_value(x: f64, n: i32) -> f64;
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `multiply` is never used
[INFO] [stdout]   --> beginner/modules/src/math/mod.rs:21:19
[INFO] [stdout]    |
[INFO] [stdout] 21 |     pub(super) fn multiply(a: i32, b: i32) -> i32 {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper_internal` is never used
[INFO] [stdout]   --> beginner/modules/src/math/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn helper_internal() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `internal_utils` is never used
[INFO] [stdout]   --> beginner/modules/src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn internal_utils() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking beginner-slices v0.1.0 (/opt/rustwide/workdir/beginner/slices)
[INFO] [stderr]     Checking beginner-vectors v0.1.0 (/opt/rustwide/workdir/beginner/vectors)
[INFO] [stdout] warning: field `users` is never read
[INFO] [stdout]    --> advanced/arc_mutex/src/main.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |     struct CoarseData {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 406 |         users: Vec<String>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand v0.9.4
[INFO] [stderr]     Checking beginner-pattern-matching v0.1.0 (/opt/rustwide/workdir/beginner/pattern_matching)
[INFO] [stdout] warning: field `users` is never read
[INFO] [stdout]    --> advanced/arc_mutex/src/main.rs:406:9
[INFO] [stdout]     |
[INFO] [stdout] 405 |     struct CoarseData {
[INFO] [stdout]     |            ---------- field in this struct
[INFO] [stdout] 406 |         users: Vec<String>,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking beginner-enums v0.1.0 (/opt/rustwide/workdir/beginner/enums)
[INFO] [stderr]     Checking intermediate-macros v0.1.0 (/opt/rustwide/workdir/intermediate/macros)
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking intermediate-exercises v0.1.0 (/opt/rustwide/workdir/intermediate/exercises)
[INFO] [stderr]     Checking beginner-variables v0.1.0 (/opt/rustwide/workdir/beginner/variables)
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stdout]   --> beginner/enums/src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum DayOfWeek {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 50 |     Monday,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Tuesday,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 52 |     Wednesday,
[INFO] [stdout] 53 |     Thursday,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 54 |     Friday,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 55 |     Saturday,
[INFO] [stdout] 56 |     Sunday,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DayOfWeek` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advanced-atomics v0.1.0 (/opt/rustwide/workdir/advanced/atomics)
[INFO] [stdout] warning: variants `Quit` and `ChangeColour` are never constructed
[INFO] [stdout]   --> beginner/pattern_matching/src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 24 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     ChangeColour(u8, u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` 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 `port` and `debug` are never read
[INFO] [stdout]    --> beginner/pattern_matching/src/main.rs:298:35
[INFO] [stdout]     |
[INFO] [stdout] 298 |     struct Config { host: String, port: u16, debug: bool }
[INFO] [stdout]     |            ------                 ^^^^       ^^^^^
[INFO] [stdout]     |            |
[INFO] [stdout]     |            fields in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Config` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intermediate-testing v0.1.0 (/opt/rustwide/workdir/intermediate/testing)
[INFO] [stderr]     Checking intermediate-smart-pointers v0.1.0 (/opt/rustwide/workdir/intermediate/smart_pointers)
[INFO] [stderr]     Checking beginner-strings v0.1.0 (/opt/rustwide/workdir/beginner/strings)
[INFO] [stderr]     Checking advanced-pinning v0.1.0 (/opt/rustwide/workdir/advanced/pinning)
[INFO] [stderr]     Checking beginner-collections v0.1.0 (/opt/rustwide/workdir/beginner/collections)
[INFO] [stderr]     Checking beginner-structs v0.1.0 (/opt/rustwide/workdir/beginner/structs)
[INFO] [stderr]     Checking beginner-exercises v0.1.0 (/opt/rustwide/workdir/beginner/exercises)
[INFO] [stdout] warning: unused variable: `sr`
[INFO] [stdout]    --> advanced/pinning/src/main.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let sr = SelfReferential::new("!Unpin demo".into());
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `helper_internal` is never used
[INFO] [stdout]   --> beginner/modules/src/math/mod.rs:26:8
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn helper_internal() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advanced-memory-management v0.1.0 (/opt/rustwide/workdir/advanced/memory_management)
[INFO] [stdout] warning: function `internal_utils` is never used
[INFO] [stdout]   --> beginner/modules/src/lib.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn internal_utils() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_unpin` is never used
[INFO] [stdout]    --> advanced/pinning/src/main.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn check_unpin<T: Unpin>() { println!("  T: Unpin"); }
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_not_unpin` is never used
[INFO] [stdout]    --> advanced/pinning/src/main.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn check_not_unpin<T: ?Sized>() { println!("  T: !Unpin (or unknown)"); }
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking beginner-ownership v0.1.0 (/opt/rustwide/workdir/beginner/ownership)
[INFO] [stdout] warning: unused variable: `block2`
[INFO] [stdout]    --> advanced/memory_management/src/main.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let block2 = pool.acquire().unwrap();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_block2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_size` is never read
[INFO] [stdout]    --> advanced/memory_management/src/main.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 307 | struct MemoryPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 310 |     block_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `3` is never read
[INFO] [stdout]   --> beginner/structs/src/main.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Colour(u8, u8, u8, String);
[INFO] [stdout]    |        ------             ^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Colour` 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: method `consume` is never used
[INFO] [stdout]   --> beginner/structs/src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn consume(self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Monday`, `Tuesday`, `Thursday`, `Friday`, and `Sunday` are never constructed
[INFO] [stdout]   --> beginner/enums/src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | enum DayOfWeek {
[INFO] [stdout]    |      --------- variants in this enum
[INFO] [stdout] 50 |     Monday,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 51 |     Tuesday,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 52 |     Wednesday,
[INFO] [stdout] 53 |     Thursday,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 54 |     Friday,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 55 |     Saturday,
[INFO] [stdout] 56 |     Sunday,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DayOfWeek` has derived impls for the traits `Clone` and `Debug`, but these are 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: variants `NotFound` and `InternalServerError` are never constructed
[INFO] [stdout]    --> beginner/enums/src/main.rs:272:9
[INFO] [stdout]     |
[INFO] [stdout] 270 |     enum HttpStatus {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] 271 |         Ok = 200,
[INFO] [stdout] 272 |         NotFound = 404,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 273 |         InternalServerError = 500,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HttpStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intermediate-lifetimes v0.1.0 (/opt/rustwide/workdir/intermediate/lifetimes)
[INFO] [stderr]     Checking beginner-borrowing v0.1.0 (/opt/rustwide/workdir/beginner/borrowing)
[INFO] [stderr]     Checking advanced-threading v0.1.0 (/opt/rustwide/workdir/advanced/threading)
[INFO] [stderr]     Checking intermediate-unsafe-rust v0.1.0 (/opt/rustwide/workdir/intermediate/unsafe_rust)
[INFO] [stderr]     Checking intermediate-closures v0.1.0 (/opt/rustwide/workdir/intermediate/closures)
[INFO] [stdout] warning: method `announce_and_return` is never used
[INFO] [stdout]   --> intermediate/lifetimes/src/main.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     impl<'a> Excerpt<'a> {
[INFO] [stdout]    |     -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |         fn announce_and_return(&self, announcement: &str) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sr`
[INFO] [stdout]    --> advanced/pinning/src/main.rs:292:9
[INFO] [stdout]     |
[INFO] [stdout] 292 |     let sr = SelfReferential::new("!Unpin demo".into());
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_sr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_unpin` is never used
[INFO] [stdout]    --> advanced/pinning/src/main.rs:299:8
[INFO] [stdout]     |
[INFO] [stdout] 299 |     fn check_unpin<T: Unpin>() { println!("  T: Unpin"); }
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_not_unpin` is never used
[INFO] [stdout]    --> advanced/pinning/src/main.rs:300:8
[INFO] [stdout]     |
[INFO] [stdout] 300 |     fn check_not_unpin<T: ?Sized>() { println!("  T: !Unpin (or unknown)"); }
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intermediate-generics v0.1.0 (/opt/rustwide/workdir/intermediate/generics)
[INFO] [stdout] warning: field `3` is never read
[INFO] [stdout]   --> beginner/structs/src/main.rs:43:27
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct Colour(u8, u8, u8, String);
[INFO] [stdout]    |        ------             ^^^^^^
[INFO] [stdout]    |        |
[INFO] [stdout]    |        field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `Colour` 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: method `consume` is never used
[INFO] [stdout]   --> beginner/structs/src/main.rs:67:8
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl User {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 67 |     fn consume(self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intermediate-traits v0.1.0 (/opt/rustwide/workdir/intermediate/traits)
[INFO] [stdout] warning: enum `MyOption` is never used
[INFO] [stdout]   --> intermediate/generics/src/main.rs:53:6
[INFO] [stdout]    |
[INFO] [stdout] 53 | enum MyOption<T> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyResult` is never used
[INFO] [stdout]   --> intermediate/generics/src/main.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum MyResult<T, E> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]    --> intermediate/generics/src/main.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct HashMap<K, V, S = std::collections::hash_map::RandomState>(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> intermediate/generics/src/main.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<K, V> HashMap<K, V> {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 138 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssocIterator` is never used
[INFO] [stdout]    --> intermediate/generics/src/main.rs:192:7
[INFO] [stdout]     |
[INFO] [stdout] 192 | trait AssocIterator {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `block2`
[INFO] [stdout]    --> advanced/memory_management/src/main.rs:361:9
[INFO] [stdout]     |
[INFO] [stdout] 361 |     let block2 = pool.acquire().unwrap();
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_block2`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `block_size` is never read
[INFO] [stdout]    --> advanced/memory_management/src/main.rs:310:5
[INFO] [stdout]     |
[INFO] [stdout] 307 | struct MemoryPool {
[INFO] [stdout]     |        ---------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 310 |     block_size: usize,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Quit` and `ChangeColour` are never constructed
[INFO] [stdout]   --> beginner/pattern_matching/src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum Message {
[INFO] [stdout]    |      ------- variants in this enum
[INFO] [stdout] 24 |     Quit,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     ChangeColour(u8, u8, u8),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Message` 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: field `lives_left` is never read
[INFO] [stdout]   --> intermediate/traits/src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cat {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 36 |     name: String,
[INFO] [stdout] 37 |     lives_left: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_and_speak` is never used
[INFO] [stdout]   --> intermediate/traits/src/main.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn debug_and_speak<T: Speak + std::fmt::Debug>(thing: &T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `announce_and_return` is never used
[INFO] [stdout]   --> intermediate/lifetimes/src/main.rs:96:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     impl<'a> Excerpt<'a> {
[INFO] [stdout]    |     -------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96 |         fn announce_and_return(&self, announcement: &str) -> &str {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lives_left` is never read
[INFO] [stdout]   --> intermediate/traits/src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | struct Cat {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 36 |     name: String,
[INFO] [stdout] 37 |     lives_left: u8,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_and_speak` is never used
[INFO] [stdout]   --> intermediate/traits/src/main.rs:90:4
[INFO] [stdout]    |
[INFO] [stdout] 90 | fn debug_and_speak<T: Speak + std::fmt::Debug>(thing: &T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyOption` is never used
[INFO] [stdout]   --> intermediate/generics/src/main.rs:53:6
[INFO] [stdout]    |
[INFO] [stdout] 53 | enum MyOption<T> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyResult` is never used
[INFO] [stdout]   --> intermediate/generics/src/main.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum MyResult<T, E> {
[INFO] [stdout]    |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashMap` is never constructed
[INFO] [stdout]    --> intermediate/generics/src/main.rs:133:8
[INFO] [stdout]     |
[INFO] [stdout] 133 | struct HashMap<K, V, S = std::collections::hash_map::RandomState>(
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> intermediate/generics/src/main.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<K, V> HashMap<K, V> {
[INFO] [stdout]     | ------------------------ associated function in this implementation
[INFO] [stdout] 138 |     fn new() -> Self {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `AssocIterator` is never used
[INFO] [stdout]    --> intermediate/generics/src/main.rs:192:7
[INFO] [stdout]     |
[INFO] [stdout] 192 | trait AssocIterator {
[INFO] [stdout]     |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.7.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling zerofrom-derive v0.1.7
[INFO] [stderr]    Compiling yoke-derive v0.8.2
[INFO] [stderr]    Compiling zerovec-derive v0.11.3
[INFO] [stderr]    Compiling thiserror-impl v2.0.18
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling clap_derive v4.6.1
[INFO] [stderr]    Compiling tokio-stream v0.1.18
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling zerofrom v0.1.8
[INFO] [stderr]     Checking tungstenite v0.24.0
[INFO] [stderr]    Compiling yoke v0.8.2
[INFO] [stderr]     Checking axum-core v0.5.6
[INFO] [stderr]     Checking thiserror v2.0.18
[INFO] [stderr]     Checking tower-http v0.6.11
[INFO] [stderr]    Compiling zerovec v0.11.6
[INFO] [stderr]    Compiling zerotrie v0.2.4
[INFO] [stderr]     Checking tungstenite v0.29.0
[INFO] [stderr]     Checking simple_asn1 v0.6.4
[INFO] [stderr]     Checking beginner-error-handling v0.1.0 (/opt/rustwide/workdir/beginner/error_handling)
[INFO] [stdout] warning: variant `MissingField` is never constructed
[INFO] [stdout]   --> beginner/error_handling/src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum ConfigError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     MissingField(&'static str),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` 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: enum `UserServiceError` is never used
[INFO] [stdout]   --> beginner/error_handling/src/main.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum UserServiceError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinystr v0.8.3
[INFO] [stderr]     Checking potential_utf v0.1.5
[INFO] [stderr]     Checking clap v4.6.1
[INFO] [stdout] warning: variant `MissingField` is never constructed
[INFO] [stdout]   --> beginner/error_handling/src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | enum ConfigError {
[INFO] [stdout]    |      ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 43 |     MissingField(&'static str),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ConfigError` 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: enum `UserServiceError` is never used
[INFO] [stdout]   --> beginner/error_handling/src/main.rs:51:6
[INFO] [stdout]    |
[INFO] [stdout] 51 | enum UserServiceError {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking icu_collections v2.2.0
[INFO] [stderr]     Checking icu_locale_core v2.2.0
[INFO] [stderr]     Checking tracing-serde v0.2.0
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking jsonwebtoken v9.3.1
[INFO] [stderr]     Checking advanced-serialization v0.1.0 (/opt/rustwide/workdir/advanced/serialization)
[INFO] [stderr]     Checking advanced-proc-macros v0.1.0 (/opt/rustwide/workdir/advanced/proc_macros)
[INFO] [stderr]     Checking icu_provider v2.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stdout] warning: fields `computed_hash` and `cached_data` are never read
[INFO] [stdout]    --> advanced/serialization/src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | struct SkippedFields {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     computed_hash: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 103 |     #[serde(skip_serializing)] // Only skip when serializing
[INFO] [stdout] 104 |     cached_data: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SkippedFields` 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] [stderr]     Checking itertools v0.13.0
[INFO] [stdout] warning: fields `computed_hash` and `cached_data` are never read
[INFO] [stdout]    --> advanced/serialization/src/main.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout]  99 | struct SkippedFields {
[INFO] [stdout]     |        ------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     computed_hash: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 103 |     #[serde(skip_serializing)] // Only skip when serializing
[INFO] [stdout] 104 |     cached_data: String,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SkippedFields` 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] [stderr]     Checking icu_normalizer v2.2.0
[INFO] [stderr]     Checking icu_properties v2.2.0
[INFO] [stderr]     Checking cli-todo-app v0.1.0 (/opt/rustwide/workdir/projects/cli_todo_app)
[INFO] [stderr]     Checking file-indexer v0.1.0 (/opt/rustwide/workdir/projects/file_indexer)
[INFO] [stdout] warning: unused import: `todo::TodoManager`
[INFO] [stdout]  --> projects/cli_todo_app/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use todo::TodoManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `todo::TodoManager`
[INFO] [stdout]  --> projects/cli_todo_app/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use todo::TodoManager;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking intermediate-iterators v0.1.0 (/opt/rustwide/workdir/intermediate/iterators)
[INFO] [stderr]    Compiling idna_adapter v1.2.2
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]     Checking hyper v1.9.0
[INFO] [stderr]     Checking tokio-tungstenite v0.29.0
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking tokio-tungstenite v0.24.0
[INFO] [stderr]     Checking advanced-async-tokio v0.1.0 (/opt/rustwide/workdir/advanced/async_tokio)
[INFO] [stderr]     Checking advanced-exercises v0.1.0 (/opt/rustwide/workdir/advanced/exercises)
[INFO] [stderr]     Checking advanced-async-traits v0.1.0 (/opt/rustwide/workdir/advanced/async_traits)
[INFO] [stderr]     Checking distributed-cache v0.1.0 (/opt/rustwide/workdir/projects/distributed_cache)
[INFO] [stderr]     Checking job-queue v0.1.0 (/opt/rustwide/workdir/projects/job_queue)
[INFO] [stderr]     Checking mini-redis v0.1.0 (/opt/rustwide/workdir/projects/mini_redis)
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]  --> projects/distributed_cache/src/cache_node.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CacheNode {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub id: String,
[INFO] [stdout] 7 |     pub address: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CacheNode` has derived impls for the traits `Clone` and `Debug`, but these are 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 `email` are never read
[INFO] [stdout]   --> advanced/async_traits/src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 42 |     id: u64,
[INFO] [stdout] 43 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `get_user_dyn` is never used
[INFO] [stdout]    --> advanced/async_traits/src/main.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | trait DynAsyncRepository: Send + Sync {
[INFO] [stdout]     |       ------------------ method in this trait
[INFO] [stdout] 204 |     fn get_user_dyn(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_user_sync` is never used
[INFO] [stdout]    --> advanced/async_traits/src/main.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 253 | trait SyncRepository {
[INFO] [stdout]     |       -------------- method in this trait
[INFO] [stdout] 254 |     fn get_user_sync(&self, id: u64) -> Result<Option<User>>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_id` is never read
[INFO] [stdout]    --> advanced/async_traits/src/main.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | struct SyncInMemoryRepo {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 259 |     users: std::sync::Mutex<HashMap<u64, User>>,
[INFO] [stdout] 260 |     next_id: std::sync::atomic::AtomicU64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking advanced-networking v0.1.0 (/opt/rustwide/workdir/advanced/networking)
[INFO] [stdout] warning: field `address` is never read
[INFO] [stdout]  --> projects/distributed_cache/src/cache_node.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CacheNode {
[INFO] [stdout]   |            --------- field in this struct
[INFO] [stdout] 6 |     pub id: String,
[INFO] [stdout] 7 |     pub address: String,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CacheNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking advanced-channels v0.1.0 (/opt/rustwide/workdir/advanced/channels)
[INFO] [stderr]     Checking advanced-websocket v0.1.0 (/opt/rustwide/workdir/advanced/websocket)
[INFO] [stderr]     Checking worker-pool v0.1.0 (/opt/rustwide/workdir/projects/worker_pool)
[INFO] [stderr]     Checking tcp-chat-server v0.1.0 (/opt/rustwide/workdir/projects/tcp_chat_server)
[INFO] [stderr]     Checking advanced-tcp-server v0.1.0 (/opt/rustwide/workdir/advanced/tcp_server)
[INFO] [stdout] warning: function `echo_client` is never used
[INFO] [stdout]    --> advanced/exercises/src/main.rs:210:10
[INFO] [stdout]     |
[INFO] [stdout] 210 | async fn echo_client(addr: &str, message: &str) -> Result<String, Box<dyn std::error::Error>> {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `is_empty` are never used
[INFO] [stdout]   --> projects/job_queue/src/queue.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl JobQueue {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub async fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub async fn is_empty(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `len` and `is_empty` are never used
[INFO] [stdout]   --> projects/job_queue/src/queue.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl JobQueue {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub async fn len(&self) -> usize {
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] ...
[INFO] [stdout] 69 |     pub async fn is_empty(&self) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `payload` and `created_at` are never read
[INFO] [stdout]   --> projects/worker_pool/src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Job {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     payload: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     created_at: DateTime<Utc>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Job` has derived impls for the traits `Clone` and `Debug`, but these are 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: struct `Client` is never constructed
[INFO] [stdout]  --> projects/tcp_chat_server/src/client.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Client {
[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 `new` is never used
[INFO] [stdout]   --> projects/tcp_chat_server/src/client.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Client {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 16 |     /// Create a new Client with the given nickname and sender channel.
[INFO] [stdout] 17 |     pub fn new(nickname: String, sender: mpsc::UnboundedSender<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `payload` and `created_at` are never read
[INFO] [stdout]   --> projects/worker_pool/src/main.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct Job {
[INFO] [stdout]    |        --- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     payload: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     created_at: DateTime<Utc>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Job` has derived impls for the traits `Clone` and `Debug`, but these are 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: struct `Client` is never constructed
[INFO] [stdout]  --> projects/tcp_chat_server/src/client.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Client {
[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 `new` is never used
[INFO] [stdout]   --> projects/tcp_chat_server/src/client.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | impl Client {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 16 |     /// Create a new Client with the given nickname and sender channel.
[INFO] [stdout] 17 |     pub fn new(nickname: String, sender: mpsc::UnboundedSender<String>) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `email` are never read
[INFO] [stdout]   --> advanced/async_traits/src/main.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct User {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 42 |     id: u64,
[INFO] [stdout] 43 |     name: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 44 |     email: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `User` has derived impls for the traits `Clone` and `Debug`, but these are 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: method `get_user_dyn` is never used
[INFO] [stdout]    --> advanced/async_traits/src/main.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 203 | trait DynAsyncRepository: Send + Sync {
[INFO] [stdout]     |       ------------------ method in this trait
[INFO] [stdout] 204 |     fn get_user_dyn(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_user_sync` is never used
[INFO] [stdout]    --> advanced/async_traits/src/main.rs:254:8
[INFO] [stdout]     |
[INFO] [stdout] 253 | trait SyncRepository {
[INFO] [stdout]     |       -------------- method in this trait
[INFO] [stdout] 254 |     fn get_user_sync(&self, id: u64) -> Result<Option<User>>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_id` is never read
[INFO] [stdout]    --> advanced/async_traits/src/main.rs:260:5
[INFO] [stdout]     |
[INFO] [stdout] 258 | struct SyncInMemoryRepo {
[INFO] [stdout]     |        ---------------- field in this struct
[INFO] [stdout] 259 |     users: std::sync::Mutex<HashMap<u64, User>>,
[INFO] [stdout] 260 |     next_id: std::sync::atomic::AtomicU64,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking sqlx-core v0.8.6
[INFO] [stderr]     Checking axum v0.8.9
[INFO] [stderr]     Checking sqlx-sqlite v0.8.6
[INFO] [stderr]     Checking websocket-chat v0.1.0 (/opt/rustwide/workdir/projects/websocket_chat)
[INFO] [stderr]     Checking rate-limiter v0.1.0 (/opt/rustwide/workdir/projects/rate_limiter)
[INFO] [stderr]     Checking task-manager-api v0.1.0 (/opt/rustwide/workdir/projects/task_manager_api)
[INFO] [stderr]     Checking auth-service v0.1.0 (/opt/rustwide/workdir/projects/auth_service)
[INFO] [stderr]     Checking advanced-web-server v0.1.0 (/opt/rustwide/workdir/advanced/web_server)
[INFO] [stdout] warning: unused import: `post`
[INFO] [stdout]   --> advanced/web_server/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     routing::{get, post},
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `post`
[INFO] [stdout]   --> advanced/web_server/src/main.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     routing::{get, post},
[INFO] [stdout]    |                    ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> projects/websocket_chat/src/room.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Room {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> projects/websocket_chat/src/room.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Room {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 14 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Internal` is never constructed
[INFO] [stdout]   --> projects/task_manager_api/src/errors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum AppError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Internal(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` 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: variant `Internal` is never constructed
[INFO] [stdout]   --> projects/task_manager_api/src/errors.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub enum AppError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     Internal(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AppError` 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: variant `Internal` is never constructed
[INFO] [stdout]   --> advanced/web_server/src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | enum ApiError {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 82 |     Internal(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Internal` is never constructed
[INFO] [stdout]   --> advanced/web_server/src/main.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | enum ApiError {
[INFO] [stdout]    |      -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 82 |     Internal(String),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling sqlx-macros-core v0.8.6
[INFO] [stderr]    Compiling sqlx-macros v0.8.6
[INFO] [stderr]     Checking sqlx v0.8.6
[INFO] [stderr]     Checking advanced-database v0.1.0 (/opt/rustwide/workdir/advanced/database)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 40.70s
[INFO] running `Command { std: "docker" "inspect" "6a49ebdd3f93ed0001a6dce274a73285412b30dd9228b9c6f88e4eda34562f61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a49ebdd3f93ed0001a6dce274a73285412b30dd9228b9c6f88e4eda34562f61", kill_on_drop: false }`
[INFO] [stdout] 6a49ebdd3f93ed0001a6dce274a73285412b30dd9228b9c6f88e4eda34562f61
