[INFO] fetching crate guessing_game_viggin 0.1.0... [INFO] testing guessing_game_viggin-0.1.0 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate guessing_game_viggin 0.1.0 into /workspace/builds/worker-26/source [INFO] validating manifest of crates.io crate guessing_game_viggin 0.1.0 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate guessing_game_viggin 0.1.0 [INFO] finished tweaking crates.io crate guessing_game_viggin 0.1.0 [INFO] tweaked toml for crates.io crate guessing_game_viggin 0.1.0 written to /workspace/builds/worker-26/source/Cargo.toml [INFO] crate crates.io crate guessing_game_viggin 0.1.0 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b9935add97e8cc5b2298cb5bcfd44bca061511d279a882d8eac9eb9cabfbcab [INFO] running `Command { std: "docker" "start" "-a" "0b9935add97e8cc5b2298cb5bcfd44bca061511d279a882d8eac9eb9cabfbcab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b9935add97e8cc5b2298cb5bcfd44bca061511d279a882d8eac9eb9cabfbcab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b9935add97e8cc5b2298cb5bcfd44bca061511d279a882d8eac9eb9cabfbcab", kill_on_drop: false }` [INFO] [stdout] 0b9935add97e8cc5b2298cb5bcfd44bca061511d279a882d8eac9eb9cabfbcab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e88030d044c1d30bd8e467ee3b605c4696edbe4ee4eae607acd6eb42b8b60b16 [INFO] running `Command { std: "docker" "start" "-a" "e88030d044c1d30bd8e467ee3b605c4696edbe4ee4eae607acd6eb42b8b60b16", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling memchr v2.3.2 [INFO] [stderr] Compiling slab v0.4.2 [INFO] [stderr] Compiling futures-core v0.3.4 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling bytes v0.5.4 [INFO] [stderr] Compiling rand_core v0.4.2 [INFO] [stderr] Compiling proc-macro-nested v0.1.3 [INFO] [stderr] Compiling fnv v1.0.6 [INFO] [stderr] Compiling futures-sink v0.3.4 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling arc-swap v0.4.4 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling pin-project-lite v0.1.4 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling futures-io v0.3.4 [INFO] [stderr] Compiling futures-task v0.3.4 [INFO] [stderr] Compiling openssl v0.10.28 [INFO] [stderr] Compiling foreign-types-shared v0.1.1 [INFO] [stderr] Compiling matches v0.1.8 [INFO] [stderr] Compiling httparse v1.3.4 [INFO] [stderr] Compiling native-tls v0.2.3 [INFO] [stderr] Compiling smallvec v1.2.0 [INFO] [stderr] Compiling serde v1.0.104 [INFO] [stderr] Compiling try-lock v0.2.2 [INFO] [stderr] Compiling openssl-probe v0.1.2 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling tower-service v0.3.0 [INFO] [stderr] Compiling encoding_rs v0.8.22 [INFO] [stderr] Compiling percent-encoding v2.1.0 [INFO] [stderr] Compiling dtoa v0.4.5 [INFO] [stderr] Compiling mime v0.3.16 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling base64 v0.11.0 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling unicode-bidi v0.3.4 [INFO] [stderr] Compiling foreign-types v0.3.2 [INFO] [stderr] Compiling futures-channel v0.3.4 [INFO] [stderr] Compiling unicode-normalization v0.1.12 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling indexmap v1.3.2 [INFO] [stderr] Compiling http v0.2.0 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling want v0.3.0 [INFO] [stderr] Compiling openssl-sys v0.9.54 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.33 [INFO] [stderr] Compiling signal-hook-registry v1.2.0 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling time v0.1.42 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Compiling idna v0.2.0 [INFO] [stderr] Compiling mime_guess v2.0.1 [INFO] [stderr] Compiling mio v0.6.21 [INFO] [stderr] Compiling url v2.1.1 [INFO] [stderr] Compiling mio-uds v0.6.7 [INFO] [stderr] Compiling http-body v0.3.1 [INFO] [stderr] Compiling serde_urlencoded v0.6.1 [INFO] [stderr] Compiling serde_json v1.0.48 [INFO] [stderr] Compiling proc-macro-hack v0.5.11 [INFO] [stderr] Compiling tokio-macros v0.2.4 [INFO] [stderr] Compiling pin-project-internal v0.4.8 [INFO] [stderr] Compiling tokio v0.2.11 [INFO] [stderr] Compiling futures-macro v0.3.4 [INFO] [stderr] Compiling pin-project v0.4.8 [INFO] [stderr] Compiling futures-util v0.3.4 [INFO] [stderr] Compiling tokio-util v0.2.0 [INFO] [stderr] Compiling tokio-tls v0.3.0 [INFO] [stderr] Compiling futures-executor v0.3.4 [INFO] [stderr] Compiling h2 v0.2.1 [INFO] [stderr] Compiling futures v0.3.4 [INFO] [stderr] Compiling hyper v0.13.2 [INFO] [stderr] Compiling hyper-tls v0.4.1 [INFO] [stderr] Compiling reqwest v0.10.1 [INFO] [stderr] Compiling guessing_game_viggin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/lib/config.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/lib/config.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let args: Vec = env::args().collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib/pub_use.rs:31:16 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib/pub_use.rs:31:34 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/bin/minigrep/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/bin/tests/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/tests/main.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/bin/tests/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/tests/main.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> src/bin/tests/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/collections/main.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DA` [INFO] [stdout] --> src/bin/enums/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct DA { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/bin/collections/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s2` is never read [INFO] [stdout] --> src/bin/collections/main.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | s2 = String::from("xxx"); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/collections/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/collections/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let mut sss = SSS { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `era` [INFO] [stdout] --> src/bin/guessing_game/rect.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn era(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `accessing` [INFO] [stdout] --> src/bin/collections/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn accessing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_mutable_and_imutable_in_same_scope` [INFO] [stdout] --> src/bin/collections/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn no_mutable_and_imutable_in_same_scope() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `edit_in_place` [INFO] [stdout] --> src/bin/collections/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn edit_in_place() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_x` [INFO] [stdout] --> src/bin/guessing_game/rect.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn print_x(&self , format: &str) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `enum_vec` [INFO] [stdout] --> src/bin/collections/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn enum_vec() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stringss` [INFO] [stdout] --> src/bin/collections/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn stringss() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `vec_of_stracts` [INFO] [stdout] --> src/bin/collections/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn vec_of_stracts() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `update_entry_in_a_map` [INFO] [stdout] --> src/bin/collections/main.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn update_entry_in_a_map() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Id` should have a snake case name [INFO] [stdout] --> src/bin/collections/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | Id: String, [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/closures/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let x = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/bin/errors/errors.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | if let Ok(meta) = f.metadata() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/generics/traits.rs:71:56 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/generics/traits.rs:71:62 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/generics/traits.rs:72:35 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/generics/traits.rs:72:41 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simulated_expensive_calculation` [INFO] [stdout] --> src/bin/closures/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn simulated_expensive_calculation(intensity: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inner_func` [INFO] [stdout] --> src/bin/closures/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn inner_func(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shoes_in_my_size` [INFO] [stdout] --> src/bin/closures/iterators.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn shoes_in_my_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/closures/iterators.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word_count` [INFO] [stdout] --> src/bin/hash/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let word_count : HashMap<_,_> = v.iter() [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | read_username_from_file_v2(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | read_username_from_file_v3(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | fs::remove_file("hello.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_ownership` [INFO] [stdout] --> src/bin/generics/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn take_ownership(t: Tweet){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyBound` [INFO] [stdout] --> src/bin/generics/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn notifyBound(item: T) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyPlusSyntax` [INFO] [stdout] --> src/bin/generics/traits.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyWow` [INFO] [stdout] --> src/bin/generics/traits.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn notifyWow(item: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/generics/traits.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function_with_where` [INFO] [stdout] --> src/bin/generics/traits.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/generics/traits.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_copy` [INFO] [stdout] --> src/bin/generics/traits.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn largest_copy(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_clone` [INFO] [stdout] --> src/bin/generics/traits.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn largest_clone(list: &[T]) -> T [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_ref` [INFO] [stdout] --> src/bin/generics/traits.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn largest_ref(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/generics/traits.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | struct Pair{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/bin/generics/traits.rs:129:8 [INFO] [stdout] | [INFO] [stdout] 129 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_this_an_extension_function` [INFO] [stdout] --> src/bin/generics/traits.rs:154:4 [INFO] [stdout] | [INFO] [stdout] 154 | fn is_this_an_extension_function(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/bin/generics/lifetimes.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyBound` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn notifyBound(item: T) { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `notify_bound` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyPlusSyntax` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notify_plus_syntax` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyWow` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn notifyWow(item: T) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `notify_wow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zzip` [INFO] [stdout] --> src/bin/hash/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn zzip(v : &Vec){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/http_async/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let resp = reqwest::get("https://httpbin.org/ip") [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/bin/http_async/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.42s [INFO] running `Command { std: "docker" "inspect" "e88030d044c1d30bd8e467ee3b605c4696edbe4ee4eae607acd6eb42b8b60b16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e88030d044c1d30bd8e467ee3b605c4696edbe4ee4eae607acd6eb42b8b60b16", kill_on_drop: false }` [INFO] [stdout] e88030d044c1d30bd8e467ee3b605c4696edbe4ee4eae607acd6eb42b8b60b16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3879a62d68e183c4d7b085472c4d2db92ef1ecf9407bc5e1927ead799e2498f4 [INFO] running `Command { std: "docker" "start" "-a" "3879a62d68e183c4d7b085472c4d2db92ef1ecf9407bc5e1927ead799e2498f4", 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] Compiling guessing_game_viggin v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/lib/config.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/lib/config.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let args: Vec = env::args().collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib/pub_use.rs:31:16 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib/pub_use.rs:31:34 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DA` [INFO] [stdout] --> src/bin/enums/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct DA { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/http_async/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let resp = reqwest::get("https://httpbin.org/ip") [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/bin/http_async/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/generics/traits.rs:71:56 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/generics/traits.rs:71:62 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/generics/traits.rs:72:35 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/generics/traits.rs:72:41 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_ownership` [INFO] [stdout] --> src/bin/generics/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn take_ownership(t: Tweet){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyBound` [INFO] [stdout] --> src/bin/generics/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn notifyBound(item: T) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyPlusSyntax` [INFO] [stdout] --> src/bin/generics/traits.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyWow` [INFO] [stdout] --> src/bin/generics/traits.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn notifyWow(item: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/generics/traits.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function_with_where` [INFO] [stdout] --> src/bin/generics/traits.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/generics/traits.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_copy` [INFO] [stdout] --> src/bin/generics/traits.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn largest_copy(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_clone` [INFO] [stdout] --> src/bin/generics/traits.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn largest_clone(list: &[T]) -> T [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_ref` [INFO] [stdout] --> src/bin/generics/traits.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn largest_ref(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/generics/traits.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | struct Pair{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/bin/generics/traits.rs:129:8 [INFO] [stdout] | [INFO] [stdout] 129 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_this_an_extension_function` [INFO] [stdout] --> src/bin/generics/traits.rs:154:4 [INFO] [stdout] | [INFO] [stdout] 154 | fn is_this_an_extension_function(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/bin/generics/lifetimes.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyBound` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn notifyBound(item: T) { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `notify_bound` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyPlusSyntax` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notify_plus_syntax` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyWow` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn notifyWow(item: T) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `notify_wow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/closures/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let x = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simulated_expensive_calculation` [INFO] [stdout] --> src/bin/closures/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn simulated_expensive_calculation(intensity: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inner_func` [INFO] [stdout] --> src/bin/closures/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn inner_func(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `shoes_in_my_size` [INFO] [stdout] --> src/bin/closures/iterators.rs:61:4 [INFO] [stdout] | [INFO] [stdout] 61 | fn shoes_in_my_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/bin/closures/iterators.rs:92:8 [INFO] [stdout] | [INFO] [stdout] 92 | fn new() -> Counter { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `era` [INFO] [stdout] --> src/bin/guessing_game/rect.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn era(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_x` [INFO] [stdout] --> src/bin/guessing_game/rect.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn print_x(&self , format: &str) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `width` [INFO] [stdout] --> src/bin/tests/main.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | width: u32, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/tests/main.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `height` [INFO] [stdout] --> src/bin/tests/main.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | height: u32, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] --> src/bin/tests/main.rs:7:10 [INFO] [stdout] | [INFO] [stdout] 7 | #[derive(Debug)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `can_hold` [INFO] [stdout] --> src/bin/tests/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/bin/minigrep/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word_count` [INFO] [stdout] --> src/bin/hash/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let word_count : HashMap<_,_> = v.iter() [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zzip` [INFO] [stdout] --> src/bin/hash/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn zzip(v : &Vec){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/collections/main.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/bin/collections/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s2` is never read [INFO] [stdout] --> src/bin/collections/main.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | s2 = String::from("xxx"); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/collections/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/collections/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let mut sss = SSS { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `accessing` [INFO] [stdout] --> src/bin/collections/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn accessing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_mutable_and_imutable_in_same_scope` [INFO] [stdout] --> src/bin/collections/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn no_mutable_and_imutable_in_same_scope() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `edit_in_place` [INFO] [stdout] --> src/bin/collections/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn edit_in_place() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `enum_vec` [INFO] [stdout] --> src/bin/collections/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn enum_vec() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stringss` [INFO] [stdout] --> src/bin/collections/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn stringss() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `vec_of_stracts` [INFO] [stdout] --> src/bin/collections/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn vec_of_stracts() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `update_entry_in_a_map` [INFO] [stdout] --> src/bin/collections/main.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn update_entry_in_a_map() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Id` should have a snake case name [INFO] [stdout] --> src/bin/collections/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | Id: String, [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/bin/errors/errors.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | if let Ok(meta) = f.metadata() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | read_username_from_file_v2(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | read_username_from_file_v3(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | fs::remove_file("hello.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/bin/minigrep/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bin/collections/main.rs:89:6 [INFO] [stdout] | [INFO] [stdout] 89 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/bin/closures/iterators.rs:7:9 [INFO] [stdout] | [INFO] [stdout] 7 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `word_count` [INFO] [stdout] --> src/bin/hash/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | let word_count : HashMap<_,_> = v.iter() [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_count` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/bin/errors/errors.rs:31:15 [INFO] [stdout] | [INFO] [stdout] 31 | if let Ok(meta) = f.metadata() { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `zzip` [INFO] [stdout] --> src/bin/hash/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn zzip(v : &Vec){ [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | read_username_from_file_v2(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | read_username_from_file_v3(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/errors/errors.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | fs::remove_file("hello.txt"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `era` [INFO] [stdout] --> src/bin/guessing_game/rect.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn era(&self) -> u32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `print_x` [INFO] [stdout] --> src/bin/guessing_game/rect.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn print_x(&self , format: &str) { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/bin/closures/main.rs:32:9 [INFO] [stdout] | [INFO] [stdout] 32 | let x = 4; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `DA` [INFO] [stdout] --> src/bin/enums/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct DA { [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::FromStr` [INFO] [stdout] --> src/lib/config.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `simulated_expensive_calculation` [INFO] [stdout] --> src/bin/closures/main.rs:9:4 [INFO] [stdout] | [INFO] [stdout] 9 | fn simulated_expensive_calculation(intensity: u32) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `inner_func` [INFO] [stdout] --> src/bin/closures/main.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn inner_func(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/bin/collections/main.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | let v: Vec = Vec::new(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s2` is never read [INFO] [stdout] --> src/bin/collections/main.rs:71:5 [INFO] [stdout] | [INFO] [stdout] 71 | s2 = String::from("xxx"); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/collections/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/collections/main.rs:82:9 [INFO] [stdout] | [INFO] [stdout] 82 | let mut sss = SSS { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `accessing` [INFO] [stdout] --> src/bin/collections/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn accessing() { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `no_mutable_and_imutable_in_same_scope` [INFO] [stdout] --> src/bin/collections/main.rs:20:4 [INFO] [stdout] | [INFO] [stdout] 20 | fn no_mutable_and_imutable_in_same_scope() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `edit_in_place` [INFO] [stdout] --> src/bin/collections/main.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn edit_in_place() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `enum_vec` [INFO] [stdout] --> src/bin/collections/main.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn enum_vec() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stringss` [INFO] [stdout] --> src/bin/collections/main.rs:60:4 [INFO] [stdout] | [INFO] [stdout] 60 | fn stringss() { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `vec_of_stracts` [INFO] [stdout] --> src/bin/collections/main.rs:75:4 [INFO] [stdout] | [INFO] [stdout] 75 | fn vec_of_stracts() { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `update_entry_in_a_map` [INFO] [stdout] --> src/bin/collections/main.rs:97:4 [INFO] [stdout] | [INFO] [stdout] 97 | fn update_entry_in_a_map() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: structure field `Id` should have a snake case name [INFO] [stdout] --> src/bin/collections/main.rs:78:9 [INFO] [stdout] | [INFO] [stdout] 78 | Id: String, [INFO] [stdout] | ^^ help: convert the identifier to snake case (notice the capitalization): `id` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/lib/config.rs:31:9 [INFO] [stdout] | [INFO] [stdout] 31 | let args: Vec = env::args().collect(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c1` [INFO] [stdout] --> src/lib/pub_use.rs:31:16 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c2` [INFO] [stdout] --> src/lib/pub_use.rs:31:34 [INFO] [stdout] | [INFO] [stdout] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `resp` [INFO] [stdout] --> src/bin/http_async/main.rs:15:9 [INFO] [stdout] | [INFO] [stdout] 15 | let resp = reqwest::get("https://httpbin.org/ip") [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `read_username_from_file` [INFO] [stdout] --> src/bin/http_async/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn read_username_from_file() -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/generics/traits.rs:71:56 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/generics/traits.rs:71:62 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/bin/generics/traits.rs:72:35 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `u` [INFO] [stdout] --> src/bin/generics/traits.rs:72:41 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `take_ownership` [INFO] [stdout] --> src/bin/generics/main.rs:26:4 [INFO] [stdout] | [INFO] [stdout] 26 | fn take_ownership(t: Tweet){ [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyBound` [INFO] [stdout] --> src/bin/generics/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn notifyBound(item: T) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyPlusSyntax` [INFO] [stdout] --> src/bin/generics/traits.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `notifyWow` [INFO] [stdout] --> src/bin/generics/traits.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn notifyWow(item: T) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function` [INFO] [stdout] --> src/bin/generics/traits.rs:71:4 [INFO] [stdout] | [INFO] [stdout] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `some_function_with_where` [INFO] [stdout] --> src/bin/generics/traits.rs:72:4 [INFO] [stdout] | [INFO] [stdout] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `returns_summarizable` [INFO] [stdout] --> src/bin/generics/traits.rs:78:4 [INFO] [stdout] | [INFO] [stdout] 78 | fn returns_summarizable() -> impl Summary { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_copy` [INFO] [stdout] --> src/bin/generics/traits.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn largest_copy(list: &[T]) -> T { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_clone` [INFO] [stdout] --> src/bin/generics/traits.rs:100:4 [INFO] [stdout] | [INFO] [stdout] 100 | fn largest_clone(list: &[T]) -> T [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `largest_ref` [INFO] [stdout] --> src/bin/generics/traits.rs:113:4 [INFO] [stdout] | [INFO] [stdout] 113 | fn largest_ref(list: &[T]) -> &T { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/bin/generics/traits.rs:123:8 [INFO] [stdout] | [INFO] [stdout] 123 | struct Pair{ [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cmp_display` [INFO] [stdout] --> src/bin/generics/traits.rs:129:8 [INFO] [stdout] | [INFO] [stdout] 129 | fn cmp_display(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_this_an_extension_function` [INFO] [stdout] --> src/bin/generics/traits.rs:154:4 [INFO] [stdout] | [INFO] [stdout] 154 | fn is_this_an_extension_function(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `longest_with_an_announcement` [INFO] [stdout] --> src/bin/generics/lifetimes.rs:22:4 [INFO] [stdout] | [INFO] [stdout] 22 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyBound` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:59:8 [INFO] [stdout] | [INFO] [stdout] 59 | pub fn notifyBound(item: T) { [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to snake case: `notify_bound` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyPlusSyntax` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notify_plus_syntax` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `notifyWow` should have a snake case name [INFO] [stdout] --> src/bin/generics/traits.rs:67:8 [INFO] [stdout] | [INFO] [stdout] 67 | pub fn notifyWow(item: T) { [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to snake case: `notify_wow` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.10s [INFO] [stderr] Executable unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/mygrep-8bc07130207546f8) [INFO] [stderr] Executable unittests src/bin/async/main.rs (/opt/rustwide/target/debug/deps/async-7444f8138cd220db) [INFO] [stderr] Executable unittests src/bin/closures/main.rs (/opt/rustwide/target/debug/deps/closures-b900ef501447e401) [INFO] [stderr] Executable unittests src/bin/collections/main.rs (/opt/rustwide/target/debug/deps/collections-6447c234af5d1e8e) [INFO] [stderr] Executable unittests src/bin/enums/main.rs (/opt/rustwide/target/debug/deps/enums-63535917a709e04a) [INFO] [stderr] Executable unittests src/bin/errors/main.rs (/opt/rustwide/target/debug/deps/errors-1c83eb1f0b392761) [INFO] [stderr] Executable unittests src/bin/generics/main.rs (/opt/rustwide/target/debug/deps/generics-4e4fa5d393c4220f) [INFO] [stderr] Executable unittests src/bin/guessing_game/main.rs (/opt/rustwide/target/debug/deps/guessing_game-c8c02fd0796357fa) [INFO] [stderr] Executable unittests src/bin/hash/main.rs (/opt/rustwide/target/debug/deps/hash-60f1906805d53a89) [INFO] [stderr] Executable unittests src/bin/http_async/main.rs (/opt/rustwide/target/debug/deps/http_async-78c8f1b1f27c179b) [INFO] [stderr] Executable unittests src/bin/iterators/main.rs (/opt/rustwide/target/debug/deps/iterators-ba0b9554162e93c1) [INFO] [stderr] Executable unittests src/bin/minigrep/main.rs (/opt/rustwide/target/debug/deps/minigrep-a6685c1b4285bac2) [INFO] [stderr] Executable unittests src/bin/split/main.rs (/opt/rustwide/target/debug/deps/split-7c9680efe71dd703) [INFO] [stderr] Executable unittests src/bin/tests/main.rs (/opt/rustwide/target/debug/deps/tests-1ab2aee79b8f9312) [INFO] [stderr] Executable tests/integration.rs (/opt/rustwide/target/debug/deps/integration-0c8ffefa621c7f46) [INFO] running `Command { std: "docker" "inspect" "3879a62d68e183c4d7b085472c4d2db92ef1ecf9407bc5e1927ead799e2498f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3879a62d68e183c4d7b085472c4d2db92ef1ecf9407bc5e1927ead799e2498f4", kill_on_drop: false }` [INFO] [stdout] 3879a62d68e183c4d7b085472c4d2db92ef1ecf9407bc5e1927ead799e2498f4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6f2b5db9b83129212f309e5be316258a039e663c60e4a53acb820e79796515a7 [INFO] running `Command { std: "docker" "start" "-a" "6f2b5db9b83129212f309e5be316258a039e663c60e4a53acb820e79796515a7", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::str::FromStr` [INFO] [stderr] --> src/lib/config.rs:2:5 [INFO] [stderr] | [INFO] [stderr] 2 | use std::str::FromStr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/lib/config.rs:31:9 [INFO] [stderr] | [INFO] [stderr] 31 | let args: Vec = env::args().collect(); [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c1` [INFO] [stderr] --> src/lib/pub_use.rs:31:16 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_c1` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c2` [INFO] [stderr] --> src/lib/pub_use.rs:31:34 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn mix(c1: PrimaryColor, c2: PrimaryColor) -> SecondaryColor { [INFO] [stderr] | ^^ help: if this is intentional, prefix it with an underscore: `_c2` [INFO] [stderr] [INFO] [stderr] warning: `guessing_game_viggin` (lib) generated 4 warnings [INFO] [stderr] warning: `guessing_game_viggin` (lib test) generated 4 warnings (4 duplicates) [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/bin/minigrep/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `era` [INFO] [stderr] --> src/bin/guessing_game/rect.rs:8:12 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn era(&self) -> u32 { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `print_x` [INFO] [stderr] --> src/bin/guessing_game/rect.rs:12:12 [INFO] [stderr] | [INFO] [stderr] 12 | pub fn print_x(&self , format: &str) { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/bin/generics/traits.rs:71:56 [INFO] [stderr] | [INFO] [stderr] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/bin/generics/traits.rs:71:62 [INFO] [stderr] | [INFO] [stderr] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `t` [INFO] [stderr] --> src/bin/generics/traits.rs:72:35 [INFO] [stderr] | [INFO] [stderr] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `u` [INFO] [stderr] --> src/bin/generics/traits.rs:72:41 [INFO] [stderr] | [INFO] [stderr] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_u` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `take_ownership` [INFO] [stderr] --> src/bin/generics/main.rs:26:4 [INFO] [stderr] | [INFO] [stderr] 26 | fn take_ownership(t: Tweet){ [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notifyBound` [INFO] [stderr] --> src/bin/generics/traits.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn notifyBound(item: T) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notifyPlusSyntax` [INFO] [stderr] --> src/bin/generics/traits.rs:63:8 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `notifyWow` [INFO] [stderr] --> src/bin/generics/traits.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn notifyWow(item: T) { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function` [INFO] [stderr] --> src/bin/generics/traits.rs:71:4 [INFO] [stderr] | [INFO] [stderr] 71 | fn some_function(t: T, u: U) -> i32 {3} [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `some_function_with_where` [INFO] [stderr] --> src/bin/generics/traits.rs:72:4 [INFO] [stderr] | [INFO] [stderr] 72 | fn some_function_with_where(t: T, u: U) -> i32 [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `returns_summarizable` [INFO] [stderr] --> src/bin/generics/traits.rs:78:4 [INFO] [stderr] | [INFO] [stderr] 78 | fn returns_summarizable() -> impl Summary { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest_copy` [INFO] [stderr] --> src/bin/generics/traits.rs:88:4 [INFO] [stderr] | [INFO] [stderr] 88 | fn largest_copy(list: &[T]) -> T { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest_clone` [INFO] [stderr] --> src/bin/generics/traits.rs:100:4 [INFO] [stderr] | [INFO] [stderr] 100 | fn largest_clone(list: &[T]) -> T [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `largest_ref` [INFO] [stderr] --> src/bin/generics/traits.rs:113:4 [INFO] [stderr] | [INFO] [stderr] 113 | fn largest_ref(list: &[T]) -> &T { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `Pair` [INFO] [stderr] --> src/bin/generics/traits.rs:123:8 [INFO] [stderr] | [INFO] [stderr] 123 | struct Pair{ [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `cmp_display` [INFO] [stderr] --> src/bin/generics/traits.rs:129:8 [INFO] [stderr] | [INFO] [stderr] 129 | fn cmp_display(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `is_this_an_extension_function` [INFO] [stderr] --> src/bin/generics/traits.rs:154:4 [INFO] [stderr] | [INFO] [stderr] 154 | fn is_this_an_extension_function(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `longest_with_an_announcement` [INFO] [stderr] --> src/bin/generics/lifetimes.rs:22:4 [INFO] [stderr] | [INFO] [stderr] 22 | fn longest_with_an_announcement<'a, T>(x: &'a str, y: &'a str, ann: T) -> &'a str [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `notifyBound` should have a snake case name [INFO] [stderr] --> src/bin/generics/traits.rs:59:8 [INFO] [stderr] | [INFO] [stderr] 59 | pub fn notifyBound(item: T) { [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to snake case: `notify_bound` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `notifyPlusSyntax` should have a snake case name [INFO] [stderr] --> src/bin/generics/traits.rs:63:8 [INFO] [stderr] | [INFO] [stderr] 63 | pub fn notifyPlusSyntax(item: impl Summary + Display) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `notify_plus_syntax` [INFO] [stderr] [INFO] [stderr] warning: function `notifyWow` should have a snake case name [INFO] [stderr] --> src/bin/generics/traits.rs:67:8 [INFO] [stderr] | [INFO] [stderr] 67 | pub fn notifyWow(item: T) { [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `notify_wow` [INFO] [stderr] [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/bin/closures/iterators.rs:7:9 [INFO] [stderr] | [INFO] [stderr] 7 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> src/bin/closures/main.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | let x = 4; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `simulated_expensive_calculation` [INFO] [stderr] --> src/bin/closures/main.rs:9:4 [INFO] [stderr] | [INFO] [stderr] 9 | fn simulated_expensive_calculation(intensity: u32) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `inner_func` [INFO] [stderr] --> src/bin/closures/main.rs:31:4 [INFO] [stderr] | [INFO] [stderr] 31 | fn inner_func(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `DA` [INFO] [stderr] --> src/bin/enums/main.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | struct DA { [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `word_count` [INFO] [stderr] --> src/bin/hash/main.rs:62:9 [INFO] [stderr] | [INFO] [stderr] 62 | let word_count : HashMap<_,_> = v.iter() [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_word_count` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `zzip` [INFO] [stderr] --> src/bin/hash/main.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn zzip(v : &Vec){ [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `resp` [INFO] [stderr] --> src/bin/http_async/main.rs:15:9 [INFO] [stderr] | [INFO] [stderr] 15 | let resp = reqwest::get("https://httpbin.org/ip") [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_resp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_username_from_file` [INFO] [stderr] --> src/bin/http_async/main.rs:24:4 [INFO] [stderr] | [INFO] [stderr] 24 | fn read_username_from_file() -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/bin/collections/main.rs:89:6 [INFO] [stderr] | [INFO] [stderr] 89 | }; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `v` [INFO] [stderr] --> src/bin/collections/main.rs:12:9 [INFO] [stderr] | [INFO] [stderr] 12 | let v: Vec = Vec::new(); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `s2` is never read [INFO] [stderr] --> src/bin/collections/main.rs:71:5 [INFO] [stderr] | [INFO] [stderr] 71 | s2 = String::from("xxx"); [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/collections/main.rs:21:9 [INFO] [stderr] | [INFO] [stderr] 21 | let mut v = vec![1, 2, 3, 4, 5]; [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/collections/main.rs:82:9 [INFO] [stderr] | [INFO] [stderr] 82 | let mut sss = SSS { [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `accessing` [INFO] [stderr] --> src/bin/collections/main.rs:11:4 [INFO] [stderr] | [INFO] [stderr] 11 | fn accessing() { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `no_mutable_and_imutable_in_same_scope` [INFO] [stderr] --> src/bin/collections/main.rs:20:4 [INFO] [stderr] | [INFO] [stderr] 20 | fn no_mutable_and_imutable_in_same_scope() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `edit_in_place` [INFO] [stderr] --> src/bin/collections/main.rs:27:4 [INFO] [stderr] | [INFO] [stderr] 27 | fn edit_in_place() { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `enum_vec` [INFO] [stderr] --> src/bin/collections/main.rs:35:4 [INFO] [stderr] | [INFO] [stderr] 35 | fn enum_vec() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `stringss` [INFO] [stderr] --> src/bin/collections/main.rs:60:4 [INFO] [stderr] | [INFO] [stderr] 60 | fn stringss() { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `vec_of_stracts` [INFO] [stderr] --> src/bin/collections/main.rs:75:4 [INFO] [stderr] | [INFO] [stderr] 75 | fn vec_of_stracts() { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `update_entry_in_a_map` [INFO] [stderr] --> src/bin/collections/main.rs:97:4 [INFO] [stderr] | [INFO] [stderr] 97 | fn update_entry_in_a_map() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `Id` should have a snake case name [INFO] [stderr] --> src/bin/collections/main.rs:78:9 [INFO] [stderr] | [INFO] [stderr] 78 | Id: String, [INFO] [stderr] | ^^ help: convert the identifier to snake case (notice the capitalization): `id` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/bin/errors/errors.rs:31:15 [INFO] [stderr] | [INFO] [stderr] 31 | if let Ok(meta) = f.metadata() { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/errors/errors.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | read_username_from_file_v2(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/errors/errors.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | read_username_from_file_v3(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/bin/errors/errors.rs:32:9 [INFO] [stderr] | [INFO] [stderr] 32 | fs::remove_file("hello.txt"); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: field is never read: `width` [INFO] [stderr] --> src/bin/tests/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | width: u32, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/tests/main.rs:7:10 [INFO] [stderr] | [INFO] [stderr] 7 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: field is never read: `height` [INFO] [stderr] --> src/bin/tests/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | height: u32, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] note: `Rectangle` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] --> src/bin/tests/main.rs:7:10 [INFO] [stderr] | [INFO] [stderr] 7 | #[derive(Debug)] [INFO] [stderr] | ^^^^^ [INFO] [stderr] = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `can_hold` [INFO] [stderr] --> src/bin/tests/main.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | fn can_hold(&self, other: &Rectangle) -> bool { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `shoes_in_my_size` [INFO] [stderr] --> src/bin/closures/iterators.rs:61:4 [INFO] [stderr] | [INFO] [stderr] 61 | fn shoes_in_my_size(shoes: Vec, shoe_size: u32) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/bin/closures/iterators.rs:92:8 [INFO] [stderr] | [INFO] [stderr] 92 | fn new() -> Counter { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: `guessing_game_viggin` (bin "minigrep" test) generated 1 warning [INFO] [stderr] warning: `guessing_game_viggin` (bin "guessing_game") generated 2 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "generics" test) generated 21 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "closures" test) generated 4 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "enums" test) generated 1 warning [INFO] [stderr] warning: `guessing_game_viggin` (bin "hash" test) generated 2 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "hash") generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `guessing_game_viggin` (bin "http_async" test) generated 2 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "guessing_game" test) generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `guessing_game_viggin` (bin "generics") generated 21 warnings (21 duplicates) [INFO] [stderr] warning: `guessing_game_viggin` (bin "collections") generated 13 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "minigrep") generated 1 warning (1 duplicate) [INFO] [stderr] warning: `guessing_game_viggin` (bin "http_async") generated 2 warnings (2 duplicates) [INFO] [stderr] warning: `guessing_game_viggin` (bin "enums") generated 1 warning (1 duplicate) [INFO] [stderr] warning: `guessing_game_viggin` (bin "errors" test) generated 4 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "tests") generated 3 warnings [INFO] [stderr] warning: `guessing_game_viggin` (bin "errors") generated 4 warnings (4 duplicates) [INFO] [stderr] warning: `guessing_game_viggin` (bin "collections" test) generated 13 warnings (13 duplicates) [INFO] [stderr] warning: `guessing_game_viggin` (bin "closures") generated 5 warnings (3 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib/lib.rs (/opt/rustwide/target/debug/deps/mygrep-8bc07130207546f8) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test add_two::tests::test_add ... ok [INFO] [stdout] test search::tests::case_sensitive ... ok [INFO] [stdout] test search::tests::case_insensitive ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- search::tests::case_insensitive stdout ---- [INFO] [stdout] thread 'search::tests::case_insensitive' panicked at 'assertion failed: `(left == right)` [INFO] [stdout] left: `["Rust:", "Trust me."]`, [INFO] [stdout] right: `[]`', src/lib/search.rs:40:9 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55de6a8e68bd - std::backtrace_rs::backtrace::libunwind::trace::ha359b7f0090e2792 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stdout] 1: 0x55de6a8e68bd - std::backtrace_rs::backtrace::trace_unsynchronized::h0584631f25c1d70e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55de6a8e68bd - std::sys_common::backtrace::_print_fmt::hdadffd97d279ff14 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:66:5 [INFO] [stdout] 3: 0x55de6a8e68bd - ::fmt::h26f189e611080a74 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:45:22 [INFO] [stdout] 4: 0x55de6a90969c - core::fmt::write::hfb5d11dfe037e8b7 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/fmt/mod.rs:1194:17 [INFO] [stdout] 5: 0x55de6a8e3281 - std::io::Write::write_fmt::h6a24ec64406df9e2 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/io/mod.rs:1655:15 [INFO] [stdout] 6: 0x55de6a8e8605 - std::sys_common::backtrace::_print::h7a0e44402913ba60 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:48:5 [INFO] [stdout] 7: 0x55de6a8e8605 - std::sys_common::backtrace::print::h9767dc455a84e728 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:35:9 [INFO] [stdout] 8: 0x55de6a8e8605 - std::panicking::default_hook::{{closure}}::h60afd6c8b12988ad [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:295:22 [INFO] [stdout] 9: 0x55de6a8e82f4 - std::panicking::default_hook::ha7b9bac6813f9d21 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:311:9 [INFO] [stdout] 10: 0x55de6a8e8b52 - std::panicking::rust_panic_with_hook::h7b117a162a6f8664 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:698:17 [INFO] [stdout] 11: 0x55de6a8e8a37 - std::panicking::begin_panic_handler::{{closure}}::h346750923c608600 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:588:13 [INFO] [stdout] 12: 0x55de6a8e6d74 - std::sys_common::backtrace::__rust_end_short_backtrace::h768c56c6a0c055c0 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:138:18 [INFO] [stdout] 13: 0x55de6a8e8769 - rust_begin_unwind [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:584:5 [INFO] [stdout] 14: 0x55de6a8813e3 - core::panicking::panic_fmt::h5c41cb2fa118fdbc [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:143:14 [INFO] [stdout] 15: 0x55de6a908268 - core::panicking::assert_failed_inner::h337b271ded48bc15 [INFO] [stdout] 16: 0x55de6a88c7da - core::panicking::assert_failed::h463a2f75a64bac0b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panicking.rs:182:5 [INFO] [stdout] 17: 0x55de6a88778b - mygrep::search::tests::case_insensitive::hcf102bf4025bb4b2 [INFO] [stdout] at /opt/rustwide/workdir/src/lib/search.rs:40:9 [INFO] [stdout] 18: 0x55de6a8875fa - mygrep::search::tests::case_insensitive::{{closure}}::h5a9b19057669b60a [INFO] [stdout] at /opt/rustwide/workdir/src/lib/search.rs:32:5 [INFO] [stdout] 19: 0x55de6a888c3e - core::ops::function::FnOnce::call_once::h6debf45d876d6090 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 20: 0x55de6a8c2623 - core::ops::function::FnOnce::call_once::h018fc248431ce8de [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 21: 0x55de6a8c2623 - test::__rust_begin_short_backtrace::h293b982b6069d6e3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:574:5 [INFO] [stdout] 22: 0x55de6a8c13d9 - as core::ops::function::FnOnce>::call_once::h4fc1be1a762c7a46 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 23: 0x55de6a8c13d9 - as core::ops::function::FnOnce<()>>::call_once::hd44623ec51b9e897 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 24: 0x55de6a8c13d9 - std::panicking::try::do_call::ha8cfa4b025f5b832 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 25: 0x55de6a8c13d9 - std::panicking::try::h664f75e41c112145 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 26: 0x55de6a8c13d9 - std::panic::catch_unwind::h4932ec05cd60558e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 27: 0x55de6a8c13d9 - test::run_test_in_process::ha14a47756671755c [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:597:18 [INFO] [stdout] 28: 0x55de6a8c13d9 - test::run_test::run_test_inner::{{closure}}::h0ec9e37c8f67b62d [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:491:39 [INFO] [stdout] 29: 0x55de6a88d58e - test::run_test::run_test_inner::{{closure}}::hd9d2e7f26d4f59e6 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/test/src/lib.rs:518:37 [INFO] [stdout] 30: 0x55de6a88d58e - std::sys_common::backtrace::__rust_begin_short_backtrace::h41c0a39fac5123f8 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys_common/backtrace.rs:122:18 [INFO] [stdout] 31: 0x55de6a892af8 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h69a02ca0bebb6eeb [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:498:17 [INFO] [stdout] 32: 0x55de6a892af8 - as core::ops::function::FnOnce<()>>::call_once::hdd05632920ce689b [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/panic/unwind_safe.rs:271:9 [INFO] [stdout] 33: 0x55de6a892af8 - std::panicking::try::do_call::hb4947142729b90fd [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:492:40 [INFO] [stdout] 34: 0x55de6a892af8 - std::panicking::try::h15a7e9b8394e6878 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panicking.rs:456:19 [INFO] [stdout] 35: 0x55de6a892af8 - std::panic::catch_unwind::hbd3f4a3f9df49b85 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/panic.rs:137:14 [INFO] [stdout] 36: 0x55de6a892af8 - std::thread::Builder::spawn_unchecked_::{{closure}}::h880b5d5f1b9799f4 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/thread/mod.rs:497:30 [INFO] [stdout] 37: 0x55de6a892af8 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h304d5eaf401f5061 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/core/src/ops/function.rs:227:5 [INFO] [stdout] 38: 0x55de6a8ed363 - as core::ops::function::FnOnce>::call_once::hdba7f2afed0c35b3 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 39: 0x55de6a8ed363 - as core::ops::function::FnOnce>::call_once::h38b0832765bf7961 [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/alloc/src/boxed.rs:1861:9 [INFO] [stdout] 40: 0x55de6a8ed363 - std::sys::unix::thread::Thread::new::thread_start::h70236dc17753425e [INFO] [stdout] at /rustc/7c13df853721b60a03e7c0bb084d2eb1e27a9caa/library/std/src/sys/unix/thread.rs:108:17 [INFO] [stdout] 41: 0x7f46bb71d609 - start_thread [INFO] [stdout] 42: 0x7f46bb4ed163 - clone [INFO] [stdout] 43: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] search::tests::case_insensitive [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `Command { std: "docker" "inspect" "6f2b5db9b83129212f309e5be316258a039e663c60e4a53acb820e79796515a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f2b5db9b83129212f309e5be316258a039e663c60e4a53acb820e79796515a7", kill_on_drop: false }` [INFO] [stdout] 6f2b5db9b83129212f309e5be316258a039e663c60e4a53acb820e79796515a7