[INFO] cloning repository https://github.com/KolCrooks/advent-of-code-2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KolCrooks/advent-of-code-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolCrooks%2Fadvent-of-code-2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolCrooks%2Fadvent-of-code-2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 12687781045aa96a68e8cb03715eb50d8dffdda2 [INFO] testing KolCrooks/advent-of-code-2021 against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKolCrooks%2Fadvent-of-code-2021" "/workspace/builds/worker-25/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-25/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KolCrooks/advent-of-code-2021 on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KolCrooks/advent-of-code-2021 [INFO] finished tweaking git repo https://github.com/KolCrooks/advent-of-code-2021 [INFO] tweaked toml for git repo https://github.com/KolCrooks/advent-of-code-2021 written to /workspace/builds/worker-25/source/Cargo.toml [INFO] crate git repo https://github.com/KolCrooks/advent-of-code-2021 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b38a039d050b36ced9940a5d6f2cb723022694dfe3aaf335cb874ae53932816 [INFO] running `Command { std: "docker" "start" "-a" "3b38a039d050b36ced9940a5d6f2cb723022694dfe3aaf335cb874ae53932816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b38a039d050b36ced9940a5d6f2cb723022694dfe3aaf335cb874ae53932816", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b38a039d050b36ced9940a5d6f2cb723022694dfe3aaf335cb874ae53932816", kill_on_drop: false }` [INFO] [stdout] 3b38a039d050b36ced9940a5d6f2cb723022694dfe3aaf335cb874ae53932816 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6abddda5fd7b5c3946110341581a946dab94044a4e8b4d0698a6ac4cb64b641e [INFO] running `Command { std: "docker" "start" "-a" "6abddda5fd7b5c3946110341581a946dab94044a4e8b4d0698a6ac4cb64b641e", kill_on_drop: false }` [INFO] [stderr] Compiling advent-of-code-2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `HashMap`, `LinkedList` [INFO] [stdout] --> src/day7/main.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashMap, LinkedList}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `borrow::BorrowMut` [INFO] [stdout] --> src/day4/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | borrow::BorrowMut, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `HashMap`, `LinkedList` [INFO] [stdout] --> src/day8/main.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashMap, LinkedList}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `borrow::BorrowMut`, `collections::HashMap` [INFO] [stdout] --> src/day5/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | borrow::BorrowMut, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] 5 | collections::HashMap, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `ops::RangeBounds` [INFO] [stdout] --> src/day8/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | ops::RangeBounds, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `digits` [INFO] [stdout] --> src/day8/main.rs:36:13 [INFO] [stdout] | [INFO] [stdout] 36 | let mut digits = [0u32; 10]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_digits` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day4/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8/main.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | let mut buf_reader = BufReader::new(file); [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] error: aborting due to previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/day8/main.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut digits = [0u32; 10]; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] warning: function is never used: `intersection` [INFO] [stdout] --> src/day8/main.rs:103:4 [INFO] [stdout] | [INFO] [stdout] 103 | fn intersection(s1: &str, s2: &str) -> String { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent-of-code-2021` due to 2 previous errors; 1 warning emitted [INFO] [stdout] warning: function is never used: `part1` [INFO] [stdout] --> src/day5/main.rs:16:4 [INFO] [stdout] | [INFO] [stdout] 16 | fn part1() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/day5/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stdout] warning: unused import: `LinkedList` [INFO] [stdout] --> src/day6/main.rs:2:28 [INFO] [stdout] | [INFO] [stdout] 2 | collections::{HashMap, LinkedList}, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `d` [INFO] [stdout] --> src/day6/main.rs:29:9 [INFO] [stdout] | [INFO] [stdout] 29 | for d in 0..cnt { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_d` [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] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "6abddda5fd7b5c3946110341581a946dab94044a4e8b4d0698a6ac4cb64b641e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6abddda5fd7b5c3946110341581a946dab94044a4e8b4d0698a6ac4cb64b641e", kill_on_drop: false }` [INFO] [stdout] 6abddda5fd7b5c3946110341581a946dab94044a4e8b4d0698a6ac4cb64b641e