[INFO] cloning repository https://github.com/Benji19967/rust_sandbox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Benji19967/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] dae9b7414c44779c79b78f76ad8ab472b2f727ad [INFO] checking Benji19967/rust_sandbox against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBenji19967%2Frust_sandbox" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/Benji19967/rust_sandbox [INFO] finished tweaking git repo https://github.com/Benji19967/rust_sandbox [INFO] tweaked toml for git repo https://github.com/Benji19967/rust_sandbox written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/Benji19967/rust_sandbox on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/Benji19967/rust_sandbox 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "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 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itoa v1.0.9 [INFO] [stderr] Downloaded plotters-backend v0.3.5 [INFO] [stderr] Downloaded hyper-tls v0.5.0 [INFO] [stderr] Downloaded oorandom v11.1.3 [INFO] [stderr] Downloaded futures-io v0.3.28 [INFO] [stderr] Downloaded httpdate v1.0.3 [INFO] [stderr] Downloaded form_urlencoded v1.2.0 [INFO] [stderr] Downloaded num_cpus v1.16.0 [INFO] [stderr] Downloaded cast v0.3.0 [INFO] [stderr] Downloaded try-lock v0.2.4 [INFO] [stderr] Downloaded memoffset v0.9.0 [INFO] [stderr] Downloaded httparse v1.8.0 [INFO] [stderr] Downloaded anstyle-query v1.0.0 [INFO] [stderr] Downloaded anes v0.1.6 [INFO] [stderr] Downloaded anstyle-wincon v2.1.0 [INFO] [stderr] Downloaded anstyle-parse v0.2.1 [INFO] [stderr] Downloaded anstream v0.5.0 [INFO] [stderr] Downloaded clap_derive v4.4.2 [INFO] [stderr] Downloaded clap v4.4.3 [INFO] [stderr] Downloaded itertools v0.10.5 [INFO] [stderr] Downloaded criterion v0.4.0 [INFO] [stderr] Downloaded plotters v0.3.5 [INFO] [stderr] Downloaded 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[stderr] Downloaded rustc-demangle v0.1.23 [INFO] [stderr] Downloaded percent-encoding v2.3.0 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.87 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.87 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.87 [INFO] [stderr] Downloaded futures-task v0.3.28 [INFO] [stderr] Downloaded autocfg v1.1.0 [INFO] [stderr] Downloaded futures-core v0.3.28 [INFO] [stderr] Downloaded futures-sink v0.3.28 [INFO] [stderr] Downloaded http-body v0.4.5 [INFO] [stderr] Downloaded openssl-probe v0.1.5 [INFO] [stderr] Downloaded errno-dragonfly v0.1.2 [INFO] [stderr] Downloaded hermit-abi v0.3.2 [INFO] [stderr] Downloaded tower-service v0.3.2 [INFO] [stderr] Downloaded quote v1.0.33 [INFO] [stderr] Downloaded plotters-svg v0.3.5 [INFO] [stderr] Downloaded fastrand v2.0.0 [INFO] [stderr] Downloaded errno v0.3.3 [INFO] [stderr] Downloaded wasm-bindgen-futures v0.4.37 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.87 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c263fbea5103babbb39cfa7627c0167009169d81842f1e89e6b2405f2a28a7a6 [INFO] running `Command { std: "docker" "start" "-a" "c263fbea5103babbb39cfa7627c0167009169d81842f1e89e6b2405f2a28a7a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c263fbea5103babbb39cfa7627c0167009169d81842f1e89e6b2405f2a28a7a6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c263fbea5103babbb39cfa7627c0167009169d81842f1e89e6b2405f2a28a7a6", kill_on_drop: false }` [INFO] [stdout] c263fbea5103babbb39cfa7627c0167009169d81842f1e89e6b2405f2a28a7a6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 63ae423b8be9cdb9e5369eee57f68e8c171c0a417b1b80f272be1255f548e62c [INFO] running `Command { std: "docker" "start" "-a" "63ae423b8be9cdb9e5369eee57f68e8c171c0a417b1b80f272be1255f548e62c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling libc v0.2.148 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.66 [INFO] [stderr] Compiling unicode-ident v1.0.11 [INFO] [stderr] Checking itoa v1.0.9 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Compiling vcpkg v0.2.15 [INFO] [stderr] Compiling pkg-config v0.3.27 [INFO] [stderr] Checking once_cell v1.18.0 [INFO] [stderr] Compiling futures-core v0.3.28 [INFO] [stderr] Checking memchr v2.6.3 [INFO] [stderr] Checking bytes v1.5.0 [INFO] [stderr] Compiling indexmap v1.9.3 [INFO] [stderr] Compiling serde v1.0.188 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling futures-task v0.3.28 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Checking tracing-core v0.1.31 [INFO] [stderr] Compiling quote v1.0.33 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling syn v2.0.32 [INFO] [stderr] Checking mio v0.8.8 [INFO] [stderr] Checking socket2 v0.5.4 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Compiling openssl v0.10.57 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling cc v1.0.83 [INFO] [stderr] Compiling futures-util v0.3.28 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking http v0.2.9 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Checking tokio v1.32.0 [INFO] [stderr] Checking bitflags v2.4.0 [INFO] [stderr] Checking futures-sink v0.3.28 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking ryu v1.0.15 [INFO] [stderr] Checking futures-io v0.3.28 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking tinyvec_macros v0.1.1 [INFO] [stderr] Checking scopeguard v1.2.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling futures-channel v0.3.28 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking log v0.4.20 [INFO] [stderr] Checking percent-encoding v2.3.0 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.107 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Checking try-lock v0.2.4 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking form_urlencoded v1.2.0 [INFO] [stderr] Checking want v0.3.1 [INFO] [stderr] Checking anstyle-parse v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.8.3 [INFO] [stderr] Compiling openssl-sys v0.9.93 [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Checking socket2 v0.4.9 [INFO] [stderr] Checking aho-corasick v1.1.1 [INFO] [stderr] Checking httpdate v1.0.3 [INFO] [stderr] Checking unicode-bidi v0.3.13 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking anstyle-query v1.0.0 [INFO] [stderr] Checking anstyle v1.0.3 [INFO] [stderr] Checking regex-syntax v0.7.5 [INFO] [stderr] Checking unicode-normalization v0.1.22 [INFO] [stderr] Checking anstream v0.5.0 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking idna v0.4.0 [INFO] [stderr] Checking clap_lex v0.5.1 [INFO] [stderr] Compiling heck v0.4.1 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Checking url v2.4.1 [INFO] [stderr] Checking encoding_rs v0.8.33 [INFO] [stderr] Checking clap_builder v4.4.2 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking ipnet v2.8.0 [INFO] [stderr] Checking base64 v0.21.4 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Compiling num-traits v0.2.16 [INFO] [stderr] Checking regex-automata v0.3.8 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking ciborium-io v0.2.1 [INFO] [stderr] Checking os_str_bytes v6.5.1 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking ciborium-ll v0.2.1 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking tokio-util v0.7.9 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking textwrap v0.16.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking clap v3.2.25 [INFO] [stderr] Checking walkdir v2.4.0 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking h2 v0.3.21 [INFO] [stderr] Checking anes v0.1.6 [INFO] [stderr] Compiling serde_derive v1.0.188 [INFO] [stderr] Compiling openssl-macros v0.1.1 [INFO] [stderr] Compiling clap_derive v4.4.2 [INFO] [stderr] Checking criterion-plot v0.5.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking regex v1.9.5 [INFO] [stderr] Checking clap v4.4.3 [INFO] [stderr] Checking hyper v0.14.27 [INFO] [stderr] Checking tokio-native-tls v0.3.1 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking serde_urlencoded v0.7.1 [INFO] [stderr] Checking ciborium v0.2.1 [INFO] [stderr] Checking reqwest v0.11.20 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.4.0 [INFO] [stderr] Checking rust_sandbox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Counter` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct Counter { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todos` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Todos { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Todo` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct Todo { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `TodosIterator` is never constructed [INFO] [stdout] --> src/my_own_iterators.rs:37:8 [INFO] [stdout] | [INFO] [stdout] 37 | struct TodosIterator<'a> { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `iter` is never used [INFO] [stdout] --> src/my_own_iterators.rs:56:8 [INFO] [stdout] | [INFO] [stdout] 55 | impl Todos { [INFO] [stdout] | ---------- method in this implementation [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/my_own_iterators.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/macros_examples.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut v = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 63 | let s: Vec<&str> = vec_strs![]; [INFO] [stdout] | ----------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/my_enums.rs:24:15 [INFO] [stdout] | [INFO] [stdout] 24 | Write(String), // Tuple struct [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] 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] 24 - Write(String), // Tuple struct [INFO] [stdout] 24 + Write(()), // Tuple struct [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:64:18 [INFO] [stdout] | [INFO] [stdout] 64 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:65:18 [INFO] [stdout] | [INFO] [stdout] 65 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `rust_sandbox::my_iterators::sum_of_vector` [INFO] [stdout] --> benches/my_benchmark.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use rust_sandbox::my_iterators::sum_of_vector; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `fibonacci` is never used [INFO] [stdout] --> benches/my_benchmark.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn fibonacci(n: u64) -> u64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/macros_examples.rs:35:17 [INFO] [stdout] | [INFO] [stdout] 35 | let mut v = Vec::new(); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] ... [INFO] [stdout] 63 | let s: Vec<&str> = vec_strs![]; [INFO] [stdout] | ----------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] = note: this warning originates in the macro `vec_strs` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/my_enums.rs:24:15 [INFO] [stdout] | [INFO] [stdout] 24 | Write(String), // Tuple struct [INFO] [stdout] | ----- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [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] 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] 24 - Write(String), // Tuple struct [INFO] [stdout] 24 + Write(()), // Tuple struct [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:64:18 [INFO] [stdout] | [INFO] [stdout] 64 | struct Color(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, and `2` are never read [INFO] [stdout] --> src/my_structs.rs:65:18 [INFO] [stdout] | [INFO] [stdout] 65 | struct Point(i32, i32, i32); [INFO] [stdout] | ----- ^^^ ^^^ ^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing these fields [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/my_own_iterators.rs:56:13 [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator { [INFO] [stdout] | ^^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 56 | fn iter(&self) -> TodosIterator<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 05s [INFO] running `Command { std: "docker" "inspect" "63ae423b8be9cdb9e5369eee57f68e8c171c0a417b1b80f272be1255f548e62c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63ae423b8be9cdb9e5369eee57f68e8c171c0a417b1b80f272be1255f548e62c", kill_on_drop: false }` [INFO] [stdout] 63ae423b8be9cdb9e5369eee57f68e8c171c0a417b1b80f272be1255f548e62c