[INFO] cloning repository https://github.com/gyng/rust-primer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gyng/rust-primer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyng%2Frust-primer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyng%2Frust-primer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d70706e2613e5b0c9f728e3da633da21013b9fc7 [INFO] checking gyng/rust-primer against master#af4a5a13a15fa0c60e06321077ef452f769b42fd for pr-122960-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgyng%2Frust-primer" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/gyng/rust-primer on toolchain af4a5a13a15fa0c60e06321077ef452f769b42fd [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/gyng/rust-primer [INFO] finished tweaking git repo https://github.com/gyng/rust-primer [INFO] tweaked toml for git repo https://github.com/gyng/rust-primer written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/gyng/rust-primer already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded futures-sink v0.3.25 [INFO] [stderr] Downloaded os_str_bytes v2.4.0 [INFO] [stderr] Downloaded futures-core v0.3.25 [INFO] [stderr] Downloaded futures-task v0.3.25 [INFO] [stderr] Downloaded itoa v1.0.5 [INFO] [stderr] Downloaded futures-channel v0.3.25 [INFO] [stderr] Downloaded indexmap v1.6.2 [INFO] [stderr] Downloaded ipnet v2.7.0 [INFO] [stderr] Downloaded cc v1.0.78 [INFO] [stderr] Downloaded futures-util v0.3.25 [INFO] [stderr] Downloaded hyper v0.14.23 [INFO] [stderr] Downloaded openssl v0.10.45 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.42.0 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.42.0 [INFO] [stderr] Downloaded windows_i686_gnu v0.42.0 [INFO] [stderr] Downloaded windows_i686_msvc v0.42.0 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.42.0 [INFO] [stderr] Downloaded tokio v1.23.0 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.42.0 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.42.0 [INFO] [stderr] Downloaded reqwest v0.11.13 [INFO] [stderr] Downloaded syn v1.0.67 [INFO] [stderr] Downloaded tokio-util v0.7.4 [INFO] [stderr] Downloaded h2 v0.3.15 [INFO] [stderr] Downloaded mio v0.8.5 [INFO] [stderr] Downloaded openssl-sys v0.9.80 [INFO] [stderr] Downloaded security-framework v2.3.1 [INFO] [stderr] Downloaded bumpalo v3.11.1 [INFO] [stderr] Downloaded bytes v1.3.0 [INFO] [stderr] Downloaded parking_lot_core v0.9.5 [INFO] [stderr] Downloaded once_cell v1.16.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2ebce6f162b2854600e41080840e61c50418d9197c027c5effd1505ae919cd2e [INFO] running `Command { std: "docker" "start" "-a" "2ebce6f162b2854600e41080840e61c50418d9197c027c5effd1505ae919cd2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2ebce6f162b2854600e41080840e61c50418d9197c027c5effd1505ae919cd2e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2ebce6f162b2854600e41080840e61c50418d9197c027c5effd1505ae919cd2e", kill_on_drop: false }` [INFO] [stdout] 2ebce6f162b2854600e41080840e61c50418d9197c027c5effd1505ae919cd2e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+af4a5a13a15fa0c60e06321077ef452f769b42fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b5a64966f865792565f774675e1ec888191916dbf62905434f68d8db7020dc4 [INFO] running `Command { std: "docker" "start" "-a" "7b5a64966f865792565f774675e1ec888191916dbf62905434f68d8db7020dc4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.24 [INFO] [stderr] Compiling unicode-xid v0.2.1 [INFO] [stderr] Compiling syn v1.0.67 [INFO] [stderr] Compiling libc v0.2.139 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling lock_api v0.4.9 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling parking_lot_core v0.9.5 [INFO] [stderr] Checking pin-project-lite v0.2.9 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Checking once_cell v1.16.0 [INFO] [stderr] Compiling pkg-config v0.3.26 [INFO] [stderr] Compiling indexmap v1.6.2 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Checking bytes v1.3.0 [INFO] [stderr] Checking smallvec v1.10.0 [INFO] [stderr] Compiling futures-core v0.3.25 [INFO] [stderr] Compiling tokio v1.23.0 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.125 [INFO] [stderr] Checking hashbrown v0.9.1 [INFO] [stderr] Compiling serde v1.0.125 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling futures-task v0.3.25 [INFO] [stderr] Checking itoa v1.0.5 [INFO] [stderr] Checking tracing-core v0.1.30 [INFO] [stderr] Compiling slab v0.4.7 [INFO] [stderr] Compiling openssl v0.10.45 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Compiling futures-util v0.3.25 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking http v0.2.8 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking tinyvec_macros v0.1.0 [INFO] [stderr] Compiling httparse v1.8.0 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-sink v0.3.25 [INFO] [stderr] Compiling futures-channel v0.3.25 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling native-tls v0.2.11 [INFO] [stderr] Checking tinyvec v1.6.0 [INFO] [stderr] Checking tracing v0.1.37 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking percent-encoding v2.2.0 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking openssl-probe v0.1.5 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking form_urlencoded v1.1.0 [INFO] [stderr] Checking tower-service v0.3.2 [INFO] [stderr] Checking mio v0.8.5 [INFO] [stderr] Checking num_cpus v1.15.0 [INFO] [stderr] Checking socket2 v0.4.7 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking unicode-bidi v0.3.8 [INFO] [stderr] Compiling unicode-segmentation v1.7.1 [INFO] [stderr] Checking httpdate v1.0.2 [INFO] [stderr] Compiling encoding_rs v0.8.31 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking mime v0.3.16 [INFO] [stderr] Checking textwrap v0.12.1 [INFO] [stderr] Checking ipnet v2.7.0 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Compiling openssl-sys v0.9.80 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking os_str_bytes v2.4.0 [INFO] [stderr] Checking base64 v0.13.1 [INFO] [stderr] Checking exercise-match v0.1.0 (/opt/rustwide/workdir/05-match-result/exercise) [INFO] [stderr] Checking http-body v0.4.5 [INFO] [stderr] Checking solution2 v0.1.0 (/opt/rustwide/workdir/02-basics/solution) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> 05-match-result/exercise/src/main.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module [INFO] [stdout] --> 05-match-result/exercise/src/main.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | mod tests { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking exercise-generics v0.1.0 (/opt/rustwide/workdir/04-generics-traits/exercise) [INFO] [stdout] warning: unused variable: `input` [INFO] [stdout] --> 05-match-result/exercise/src/main.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | fn parse_value(input: &str) -> Sculpture { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_input` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Sculpture` is never used [INFO] [stdout] --> 05-match-result/exercise/src/main.rs:6:6 [INFO] [stdout] | [INFO] [stdout] 6 | enum Sculpture { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `parse_value` is never used [INFO] [stdout] --> 05-match-result/exercise/src/main.rs:11:4 [INFO] [stdout] | [INFO] [stdout] 11 | fn parse_value(input: &str) -> Sculpture { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking demo v0.1.0 (/opt/rustwide/workdir/02-basics/demo) [INFO] [stderr] Checking solution-structs v0.1.0 (/opt/rustwide/workdir/03-structs-lifetimes/solution) [INFO] [stdout] warning: value assigned to `x` is never read [INFO] [stdout] --> 02-basics/solution/src/main.rs:4:13 [INFO] [stdout] | [INFO] [stdout] 4 | let mut x = 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `mutability` is never used [INFO] [stdout] --> 02-basics/solution/src/main.rs:3:4 [INFO] [stdout] | [INFO] [stdout] 3 | fn mutability() -> u8 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `casting` is never used [INFO] [stdout] --> 02-basics/solution/src/main.rs:14:4 [INFO] [stdout] | [INFO] [stdout] 14 | fn casting() -> f64 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `collections` is never used [INFO] [stdout] --> 02-basics/solution/src/main.rs:24:4 [INFO] [stdout] | [INFO] [stdout] 24 | fn collections() -> u8 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: expected identifier, found `>` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:24:39 [INFO] [stdout] | [INFO] [stdout] 24 | let mut map: HashMap<&str, ???> = HashMap::new(); [INFO] [stdout] | - ^ expected identifier [INFO] [stdout] | | [INFO] [stdout] | while parsing the type for the binding [INFO] [stdout] | help: use `=` if you meant to assign [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling heck v0.3.2 [INFO] [stderr] Checking demo-generics v0.1.0 (/opt/rustwide/workdir/04-generics-traits/demo) [INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `else`, `{`, or an operator, found `,` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:24:34 [INFO] [stdout] | [INFO] [stdout] 24 | let mut map: HashMap<&str, ???> = HashMap::new(); [INFO] [stdout] | ^ expected one of 8 possible tokens [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | use std::collections::HashMap; [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] --> 04-generics-traits/exercise/src/main.rs:21:10 [INFO] [stdout] | [INFO] [stdout] 21 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:39:10 [INFO] [stdout] | [INFO] [stdout] 39 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `get_weight` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 38 | fn get_weight(&self) -> i32; [INFO] [stdout] | ---------------------------- `get_weight` from trait [INFO] [stdout] ... [INFO] [stdout] 52 | impl HasWeight for Cow {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ missing `get_weight` in implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0046]: not all trait items implemented, missing: `get_weight` [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:54:9 [INFO] [stdout] | [INFO] [stdout] 38 | fn get_weight(&self) -> i32; [INFO] [stdout] | ---------------------------- `get_weight` from trait [INFO] [stdout] ... [INFO] [stdout] 54 | impl HasWeight for Cat {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ missing `get_weight` in implementation [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking demo-match v0.1.0 (/opt/rustwide/workdir/05-match-result/demo) [INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:60:13 [INFO] [stdout] | [INFO] [stdout] 60 | get_weight(Cow { [INFO] [stdout] | _____________^^^^^^^^^^_- [INFO] [stdout] 61 | | meat_weight: 1, [INFO] [stdout] 62 | | milk_weight: 5 [INFO] [stdout] 63 | | }), [INFO] [stdout] | | - [INFO] [stdout] | | | [INFO] [stdout] | |_____________unexpected argument of type `tests::test_generic_function::Cow` [INFO] [stdout] | help: remove the extra argument [INFO] [stdout] | [INFO] [stdout] note: function defined here [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn get_weight() -> i32 {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:66:20 [INFO] [stdout] | [INFO] [stdout] 66 | assert_eq!(get_weight(Cat { furballs: 3 }), 3); [INFO] [stdout] | ^^^^^^^^^^ ------------------- [INFO] [stdout] | | [INFO] [stdout] | unexpected argument of type `Cat` [INFO] [stdout] | help: remove the extra argument [INFO] [stdout] | [INFO] [stdout] note: function defined here [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:57:12 [INFO] [stdout] | [INFO] [stdout] 57 | fn get_weight() -> i32 {} [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> 04-generics-traits/exercise/src/main.rs:57:28 [INFO] [stdout] | [INFO] [stdout] 57 | fn get_weight() -> i32 {} [INFO] [stdout] | ---------- ^^^ expected `i32`, found `()` [INFO] [stdout] | | [INFO] [stdout] | implicitly returns `()` as its body has no tail or `return` expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 7 previous errors; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0046, E0061, E0308. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0046`. [INFO] [stdout] [INFO] [stderr] Checking demo-structs v0.1.0 (/opt/rustwide/workdir/03-structs-lifetimes/demo) [INFO] [stderr] error: could not compile `exercise-generics` (bin "exercise-generics" test) due to 8 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> 05-match-result/demo/src/main.rs:5:6 [INFO] [stdout] | [INFO] [stdout] 5 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: irrefutable `if let` pattern [INFO] [stdout] --> 05-match-result/demo/src/main.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 102 | if let x = Some(wrapper) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this pattern will always match, so the `if let` is useless [INFO] [stdout] = help: consider replacing the `if let` with a `let` [INFO] [stdout] = note: `#[warn(irrefutable_let_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> 03-structs-lifetimes/demo/src/main.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 10 | impl Rectangle { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 18 | fn new(width: u32, height: u32) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `double_area_rect_reference` is never used [INFO] [stdout] --> 03-structs-lifetimes/demo/src/main.rs:73:4 [INFO] [stdout] | [INFO] [stdout] 73 | fn double_area_rect_reference(rect: &Rectangle) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7b5a64966f865792565f774675e1ec888191916dbf62905434f68d8db7020dc4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b5a64966f865792565f774675e1ec888191916dbf62905434f68d8db7020dc4", kill_on_drop: false }` [INFO] [stdout] 7b5a64966f865792565f774675e1ec888191916dbf62905434f68d8db7020dc4