[INFO] cloning repository https://github.com/guilgaly/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guilgaly/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguilgaly%2Fadvent-of-code-2020'... 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[INFO] [stderr] Downloaded intmap v0.7.0 [INFO] [stderr] Downloaded peg v0.6.3 [INFO] [stderr] Downloaded peg-macros v0.6.3 [INFO] [stderr] Downloaded peg-runtime v0.6.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5584d47e3fc61f1dfbe108c63df98c9d8d23cacbdf5669e88801bf165d1745d6 [INFO] running `Command { std: "docker" "start" "-a" "5584d47e3fc61f1dfbe108c63df98c9d8d23cacbdf5669e88801bf165d1745d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5584d47e3fc61f1dfbe108c63df98c9d8d23cacbdf5669e88801bf165d1745d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5584d47e3fc61f1dfbe108c63df98c9d8d23cacbdf5669e88801bf165d1745d6", kill_on_drop: false }` [INFO] [stdout] 5584d47e3fc61f1dfbe108c63df98c9d8d23cacbdf5669e88801bf165d1745d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb4513e9cda1b949952f07f51c16cb2ef24651b8ea32e39af148fa87ffe1fc7f [INFO] running `Command { std: "docker" "start" "-a" "cb4513e9cda1b949952f07f51c16cb2ef24651b8ea32e39af148fa87ffe1fc7f", 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] Blocking waiting for file lock on package cache [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking intmap v0.7.0 [INFO] [stderr] Compiling peg-macros v0.6.3 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking common v0.1.0 (/opt/rustwide/workdir/common) [INFO] [stderr] Checking day_15 v0.1.0 (/opt/rustwide/workdir/day_15) [INFO] [stderr] Checking day_20 v0.1.0 (/opt/rustwide/workdir/day_20) [INFO] [stderr] Checking day_25 v0.1.0 (/opt/rustwide/workdir/day_25) [INFO] [stderr] Checking day_16 v0.1.0 (/opt/rustwide/workdir/day_16) [INFO] [stderr] Checking day_9 v0.1.0 (/opt/rustwide/workdir/day_9) [INFO] [stderr] Checking day_6 v0.1.0 (/opt/rustwide/workdir/day_6) [INFO] [stderr] Checking day_7 v0.1.0 (/opt/rustwide/workdir/day_7) [INFO] [stderr] Checking day_4 v0.1.0 (/opt/rustwide/workdir/day_4) [INFO] [stderr] Checking day_23 v0.1.0 (/opt/rustwide/workdir/day_23) [INFO] [stderr] Checking day_5 v0.1.0 (/opt/rustwide/workdir/day_5) [INFO] [stderr] Checking day_8 v0.1.0 (/opt/rustwide/workdir/day_8) [INFO] [stderr] Checking day_1 v0.1.0 (/opt/rustwide/workdir/day_1) [INFO] [stderr] Checking day_22 v0.1.0 (/opt/rustwide/workdir/day_22) [INFO] [stderr] Checking day_13 v0.1.0 (/opt/rustwide/workdir/day_13) [INFO] [stderr] Checking day_21 v0.1.0 (/opt/rustwide/workdir/day_21) [INFO] [stderr] Checking day_17 v0.1.0 (/opt/rustwide/workdir/day_17) [INFO] [stderr] Checking day_12 v0.1.0 (/opt/rustwide/workdir/day_12) [INFO] [stderr] Checking day_11 v0.1.0 (/opt/rustwide/workdir/day_11) [INFO] [stderr] Checking day_2 v0.1.0 (/opt/rustwide/workdir/day_2) [INFO] [stderr] Checking day_19 v0.1.0 (/opt/rustwide/workdir/day_19) [INFO] [stderr] Checking day_24 v0.1.0 (/opt/rustwide/workdir/day_24) [INFO] [stderr] Checking day_3 v0.1.0 (/opt/rustwide/workdir/day_3) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> day_19/src/main.rs:114:9 [INFO] [stdout] | [INFO] [stdout] 114 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> day_20/src/main.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fmt::{Display, Formatter, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day_24/src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TEST_INPUT` [INFO] [stdout] --> day_20/src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | static TEST_INPUT: &str = include_str!("test_input"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> day_25/src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | use super::*; [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 import: `std::collections::HashSet` [INFO] [stdout] --> day_23/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> day_23/src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `all` [INFO] [stdout] --> day_21/src/main.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use common::itertools::{all, Itertools}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common::reduce::Reduce` [INFO] [stdout] --> day_21/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use common::reduce::Reduce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> day_21/src/main.rs:131:9 [INFO] [stdout] | [INFO] [stdout] 131 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> day_13/src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let N = busses.iter().map(|(_, id)| id).product::(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Ni` should have a snake case name [INFO] [stdout] --> day_13/src/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let Ni = N / id; [INFO] [stdout] | ^^ help: convert the identifier to snake case: `ni` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> day_6/src/main.rs:27:18 [INFO] [stdout] | [INFO] [stdout] 27 | .reduce(|acc, next| acc.intersection(&next).copied().collect()) [INFO] [stdout] | ^^^^^^ multiple `reduce` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 24 | Iterator::reduce(group [INFO] [stdout] 25 | .lines() [INFO] [stdout] 26 | .map(|line| line.chars().collect::>()), |acc, next| acc.intersection(&next).copied().collect()) [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 24 | Reduce::reduce(group [INFO] [stdout] 25 | .lines() [INFO] [stdout] 26 | .map(|line| line.chars().collect::>()), |acc, next| acc.intersection(&next).copied().collect()) [INFO] [stdout] | [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day_10 v0.1.0 (/opt/rustwide/workdir/day_10) [INFO] [stderr] Checking day_14 v0.1.0 (/opt/rustwide/workdir/day_14) [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> day_20/src/main.rs:242:9 [INFO] [stdout] | [INFO] [stdout] 242 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `all` [INFO] [stdout] --> day_21/src/main.rs:1:25 [INFO] [stdout] | [INFO] [stdout] 1 | use common::itertools::{all, Itertools}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common::reduce::Reduce` [INFO] [stdout] --> day_21/src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use common::reduce::Reduce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common::reduce::Reduce` [INFO] [stdout] --> day_6/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use common::reduce::Reduce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TEST_INPUT` [INFO] [stdout] --> day_24/src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | static TEST_INPUT: &str = include_str!("test_input"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day_21/src/main.rs:78:29 [INFO] [stdout] | [INFO] [stdout] 78 | .sorted_by_key(|(a, i)| a) [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 variable: `a` [INFO] [stdout] --> day_21/src/main.rs:79:16 [INFO] [stdout] | [INFO] [stdout] 79 | .map(|(a, i)| i) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `potential_ingredients_by_allergen` as mutable because it is also borrowed as immutable [INFO] [stdout] --> day_21/src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 37 | let (allergen, ingredient) = &potential_ingredients_by_allergen [INFO] [stdout] | --------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 42 | potential_ingredients_by_allergen.remove(**allergen); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `day_6` due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable `N` should have a snake case name [INFO] [stdout] --> day_13/src/main.rs:60:9 [INFO] [stdout] | [INFO] [stdout] 60 | let N = busses.iter().map(|(_, id)| id).product::(); [INFO] [stdout] | ^ help: convert the identifier to snake case: `n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `Ni` should have a snake case name [INFO] [stdout] --> day_13/src/main.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let Ni = N / id; [INFO] [stdout] | ^^ help: convert the identifier to snake case: `ni` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> day_21/src/main.rs:78:29 [INFO] [stdout] | [INFO] [stdout] 78 | .sorted_by_key(|(a, i)| a) [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 variable: `a` [INFO] [stdout] --> day_21/src/main.rs:79:16 [INFO] [stdout] | [INFO] [stdout] 79 | .map(|(a, i)| i) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Write` [INFO] [stdout] --> day_20/src/main.rs:7:36 [INFO] [stdout] | [INFO] [stdout] 7 | use std::fmt::{Display, Formatter, Write}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: cannot borrow `potential_ingredients_by_allergen` as mutable because it is also borrowed as immutable [INFO] [stdout] --> day_21/src/main.rs:42:9 [INFO] [stdout] | [INFO] [stdout] 37 | let (allergen, ingredient) = &potential_ingredients_by_allergen [INFO] [stdout] | --------------------------------- immutable borrow occurs here [INFO] [stdout] ... [INFO] [stdout] 42 | potential_ingredients_by_allergen.remove(**allergen); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ---------- immutable borrow later used here [INFO] [stdout] | | [INFO] [stdout] | mutable borrow occurs here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mutable_borrow_reservation_conflict)]` on by default [INFO] [stdout] = warning: this borrowing pattern was not meant to be accepted, and may become a hard error in the future [INFO] [stdout] = note: for more information, see issue #59159 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TEST_INPUT` [INFO] [stdout] --> day_20/src/main.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | static TEST_INPUT: &str = include_str!("test_input"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `HashMap` [INFO] [stdout] --> day_24/src/main.rs:2:24 [INFO] [stdout] | [INFO] [stdout] 2 | use std::collections::{HashMap, HashSet}; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> day_24/src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashSet` [INFO] [stdout] --> day_23/src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::collections::HashSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0034]: multiple applicable items in scope [INFO] [stdout] --> day_6/src/main.rs:27:18 [INFO] [stdout] | [INFO] [stdout] 27 | .reduce(|acc, next| acc.intersection(&next).copied().collect()) [INFO] [stdout] | ^^^^^^ multiple `reduce` found [INFO] [stdout] | [INFO] [stdout] = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map` [INFO] [stdout] = note: candidate #2 is defined in an impl of the trait `Reduce` for the type `I` [INFO] [stdout] help: disambiguate the associated function for candidate #1 [INFO] [stdout] | [INFO] [stdout] 24 | Iterator::reduce(group [INFO] [stdout] 25 | .lines() [INFO] [stdout] 26 | .map(|line| line.chars().collect::>()), |acc, next| acc.intersection(&next).copied().collect()) [INFO] [stdout] | [INFO] [stdout] help: disambiguate the associated function for candidate #2 [INFO] [stdout] | [INFO] [stdout] 24 | Reduce::reduce(group [INFO] [stdout] 25 | .lines() [INFO] [stdout] 26 | .map(|line| line.chars().collect::>()), |acc, next| acc.intersection(&next).copied().collect()) [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common::reduce::Reduce` [INFO] [stdout] --> day_6/src/main.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use common::reduce::Reduce; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0034`. [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static is never used: `TEST_INPUT` [INFO] [stdout] --> day_24/src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | static TEST_INPUT: &str = include_str!("test_input"); [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] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "cb4513e9cda1b949952f07f51c16cb2ef24651b8ea32e39af148fa87ffe1fc7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb4513e9cda1b949952f07f51c16cb2ef24651b8ea32e39af148fa87ffe1fc7f", kill_on_drop: false }` [INFO] [stdout] cb4513e9cda1b949952f07f51c16cb2ef24651b8ea32e39af148fa87ffe1fc7f