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false }` [INFO] [stdout] 388aad35342e85e805553272f4b0c23ffdd21e41427f7c55fed074421ce556ea [INFO] running `Command { std: "docker" "start" "-a" "388aad35342e85e805553272f4b0c23ffdd21e41427f7c55fed074421ce556ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "388aad35342e85e805553272f4b0c23ffdd21e41427f7c55fed074421ce556ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "388aad35342e85e805553272f4b0c23ffdd21e41427f7c55fed074421ce556ea", kill_on_drop: false }` [INFO] [stdout] 388aad35342e85e805553272f4b0c23ffdd21e41427f7c55fed074421ce556ea [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+f609b7e0586f81fefb3523e3e17adf779ac416be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0317616f39196b74fce474abf2445c3236b9287d142dcfbf0a2ebe3ca3afb33f [INFO] running `Command { std: "docker" "start" "-a" "0317616f39196b74fce474abf2445c3236b9287d142dcfbf0a2ebe3ca3afb33f", kill_on_drop: false }` [INFO] [stderr] Checking either v1.9.0 [INFO] [stderr] Checking memchr v2.6.4 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.17 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling rayon-core v1.12.0 [INFO] [stderr] Compiling libc v0.2.151 [INFO] [stderr] Compiling portable-atomic v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Checking itertools v0.13.0 [INFO] [stderr] Checking glam v0.27.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Compiling proc-macro2 v1.0.85 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.16 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Checking crossbeam-deque v0.8.4 [INFO] [stderr] Checking console v0.15.7 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling semver v1.0.23 [INFO] [stderr] Checking indicatif v0.17.7 [INFO] [stderr] Compiling syn v2.0.66 [INFO] [stderr] Compiling thiserror v1.0.61 [INFO] [stderr] Checking rayon v1.8.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Checking equivalent v1.0.1 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking fixedbitset v0.4.2 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking bytecount v0.6.7 [INFO] [stderr] Checking day-15 v0.1.0 (/opt/rustwide/workdir/day-15) [INFO] [stderr] Checking day-12 v0.1.0 (/opt/rustwide/workdir/day-12) [INFO] [stderr] Checking day-13 v0.1.0 (/opt/rustwide/workdir/day-13) [INFO] [stderr] Checking nom_locate v4.2.0 [INFO] [stderr] Checking day-02 v0.1.0 (/opt/rustwide/workdir/day-02) [INFO] [stderr] Checking day-06 v0.1.0 (/opt/rustwide/workdir/day-06) [INFO] [stderr] Checking day-20 v0.1.0 (/opt/rustwide/workdir/day-20) [INFO] [stderr] Checking day-04 v0.1.0 (/opt/rustwide/workdir/day-04) [INFO] [stderr] Checking day-07 v0.1.0 (/opt/rustwide/workdir/day-07) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day-20/src/bin/part1.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | for i in 0..count { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [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] --> day-20/src/bin/part2.rs:245:13 [INFO] [stdout] | [INFO] [stdout] 245 | output.write_fmt(format_args!(" {}-->{}\n", module.id, output_module)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 245 | let _ = output.write_fmt(format_args!(" {}-->{}\n", module.id, output_module)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking indexmap v2.2.6 [INFO] [stderr] Checking day-19 v0.1.0 (/opt/rustwide/workdir/day-19) [INFO] [stderr] Checking day-05 v0.1.0 (/opt/rustwide/workdir/day-05) [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day-20/src/bin/part1.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | for i in 0..count { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day-18 v0.1.0 (/opt/rustwide/workdir/day-18) [INFO] [stderr] Checking day-21 v0.1.0 (/opt/rustwide/workdir/day-21) [INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read [INFO] [stdout] --> day-18/src/bin/part1.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 20 | red: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | green: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | blue: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `color` is never read [INFO] [stdout] --> day-18/src/bin/part1.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct PlanLine { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 29 | color: Color, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlanLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IVec2` [INFO] [stdout] --> day-18/src/bin/part2.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use glam::{I64Vec2, IVec2}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Err`, `anychar`, `sequence::tuple`, `space1`, and `u8` [INFO] [stdout] --> day-18/src/bin/part2.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | character::complete::{anychar, multispace0, space1, u8}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ ^^ [INFO] [stdout] ... [INFO] [stdout] 8 | sequence::tuple, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | Err, IResult, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `VecDeque` and `iter::Inspect` [INFO] [stdout] --> day-21/src/bin/part2.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashSet, VecDeque}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 3 | iter::Inspect, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `VecDeque` and `iter::Inspect` [INFO] [stdout] --> day-21/src/bin/part1.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashSet, VecDeque}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 3 | iter::Inspect, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Position` [INFO] [stdout] --> day-21/src/bin/part1.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use itertools::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Position` [INFO] [stdout] --> day-21/src/bin/part2.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use itertools::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read [INFO] [stdout] --> day-18/src/bin/part1.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 20 | red: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | green: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | blue: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `color` is never read [INFO] [stdout] --> day-18/src/bin/part1.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct PlanLine { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 29 | color: Color, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlanLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `VecDeque` and `iter::Inspect` [INFO] [stdout] --> day-21/src/bin/part1.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashSet, VecDeque}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 3 | iter::Inspect, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Position` [INFO] [stdout] --> day-21/src/bin/part1.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use itertools::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `IVec2` [INFO] [stdout] --> day-18/src/bin/part2.rs:1:21 [INFO] [stdout] | [INFO] [stdout] 1 | use glam::{I64Vec2, IVec2}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Err`, `anychar`, `sequence::tuple`, `space1`, and `u8` [INFO] [stdout] --> day-18/src/bin/part2.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | character::complete::{anychar, multispace0, space1, u8}, [INFO] [stdout] | ^^^^^^^ ^^^^^^ ^^ [INFO] [stdout] ... [INFO] [stdout] 8 | sequence::tuple, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] 9 | Err, IResult, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `VecDeque` and `iter::Inspect` [INFO] [stdout] --> day-21/src/bin/part2.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashSet, VecDeque}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 3 | iter::Inspect, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `itertools::Position` [INFO] [stdout] --> day-21/src/bin/part2.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use itertools::Position; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [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: fields `red`, `green`, and `blue` are never read [INFO] [stdout] --> day-18/src/bin/part1a.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 20 | red: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | green: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | blue: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `color` is never read [INFO] [stdout] --> day-18/src/bin/part1a.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct PlanLine { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 29 | color: Color, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlanLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_grid` is never used [INFO] [stdout] --> day-18/src/bin/part1a.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn print_grid(grid: &[Vec]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dig` is never used [INFO] [stdout] --> day-18/src/bin/part1a.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn dig(grid: &[Vec]) -> Vec> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_inside` is never used [INFO] [stdout] --> day-18/src/bin/part1a.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn is_inside(grid: &[Vec], x: usize, y: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `red`, `green`, and `blue` are never read [INFO] [stdout] --> day-18/src/bin/part1a.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct Color { [INFO] [stdout] | ----- fields in this struct [INFO] [stdout] 20 | red: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] 21 | green: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 22 | blue: u8, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Color` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `color` is never read [INFO] [stdout] --> day-18/src/bin/part1a.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 26 | struct PlanLine { [INFO] [stdout] | -------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 29 | color: Color, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlanLine` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `print_grid` is never used [INFO] [stdout] --> day-18/src/bin/part1a.rs:81:4 [INFO] [stdout] | [INFO] [stdout] 81 | fn print_grid(grid: &[Vec]) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dig` is never used [INFO] [stdout] --> day-18/src/bin/part1a.rs:91:4 [INFO] [stdout] | [INFO] [stdout] 91 | fn dig(grid: &[Vec]) -> Vec> { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_inside` is never used [INFO] [stdout] --> day-18/src/bin/part1a.rs:105:4 [INFO] [stdout] | [INFO] [stdout] 105 | fn is_inside(grid: &[Vec], x: usize, y: usize) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day-_ v0.1.0 (/opt/rustwide/workdir/day-_) [INFO] [stderr] Checking day-16 v0.1.0 (/opt/rustwide/workdir/day-16) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> day-20/src/bin/part2.rs:245:13 [INFO] [stdout] | [INFO] [stdout] 245 | output.write_fmt(format_args!(" {}-->{}\n", module.id, output_module)); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 245 | let _ = output.write_fmt(format_args!(" {}-->{}\n", module.id, output_module)); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> day-_/src/bin/part1.rs:7:28 [INFO] [stdout] | [INFO] [stdout] 7 | fn process(input: &str) -> String {} [INFO] [stdout] | ------- ^^^^^^ expected `String`, 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 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `day-_` (bin "part1") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0308]: mismatched types [INFO] [stdout] --> day-_/src/bin/part1.rs:7:28 [INFO] [stdout] | [INFO] [stdout] 7 | fn process(input: &str) -> String {} [INFO] [stdout] | ------- ^^^^^^ expected `String`, 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 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0308`. [INFO] [stdout] [INFO] [stderr] error: could not compile `day-_` (bin "part1" test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "0317616f39196b74fce474abf2445c3236b9287d142dcfbf0a2ebe3ca3afb33f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0317616f39196b74fce474abf2445c3236b9287d142dcfbf0a2ebe3ca3afb33f", kill_on_drop: false }` [INFO] [stdout] 0317616f39196b74fce474abf2445c3236b9287d142dcfbf0a2ebe3ca3afb33f