[INFO] cloning repository https://github.com/karifrederiksen/advant_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/karifrederiksen/advant_of_code_2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarifrederiksen%2Fadvant_of_code_2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarifrederiksen%2Fadvant_of_code_2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 18ced7031a2ed37ec58ee8c6f2aa7ceee0d063c8 [INFO] checking karifrederiksen/advant_of_code_2021 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkarifrederiksen%2Fadvant_of_code_2021" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/karifrederiksen/advant_of_code_2021 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/karifrederiksen/advant_of_code_2021 [INFO] finished tweaking git repo https://github.com/karifrederiksen/advant_of_code_2021 [INFO] tweaked toml for git repo https://github.com/karifrederiksen/advant_of_code_2021 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/karifrederiksen/advant_of_code_2021 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded nom v7.1.0 [INFO] [stderr] Downloaded multimap v0.8.3 [INFO] [stderr] Downloaded serde v1.0.131 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 51881dd53762c15fbe24e9a9e68cb75f421dcb80e074087819d2512248f59063 [INFO] running `Command { std: "docker" "start" "-a" "51881dd53762c15fbe24e9a9e68cb75f421dcb80e074087819d2512248f59063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "51881dd53762c15fbe24e9a9e68cb75f421dcb80e074087819d2512248f59063", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "51881dd53762c15fbe24e9a9e68cb75f421dcb80e074087819d2512248f59063", kill_on_drop: false }` [INFO] [stdout] 51881dd53762c15fbe24e9a9e68cb75f421dcb80e074087819d2512248f59063 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b87513b52827ff2bf7f2b0133a6f19e9801a812c579a4bf28ae40e3fe08bafd [INFO] running `Command { std: "docker" "start" "-a" "0b87513b52827ff2bf7f2b0133a6f19e9801a812c579a4bf28ae40e3fe08bafd", kill_on_drop: false }` [INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"` [INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest [INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest [INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde v1.0.131 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking day11 v0.1.0 (/opt/rustwide/workdir/day11) [INFO] [stderr] Checking day1 v0.1.0 (/opt/rustwide/workdir/day1) [INFO] [stderr] Checking day3 v0.1.0 (/opt/rustwide/workdir/day3) [INFO] [stderr] Checking day5 v0.1.0 (/opt/rustwide/workdir/day5) [INFO] [stderr] Checking day13 v0.1.0 (/opt/rustwide/workdir/day13) [INFO] [stderr] Checking day7 v0.1.0 (/opt/rustwide/workdir/day7) [INFO] [stderr] Checking day10 v0.1.0 (/opt/rustwide/workdir/day10) [INFO] [stderr] Checking day9 v0.1.0 (/opt/rustwide/workdir/day9) [INFO] [stderr] Checking day2 v0.1.0 (/opt/rustwide/workdir/day2) [INFO] [stderr] Checking day6 v0.1.0 (/opt/rustwide/workdir/day6) [INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable [INFO] [stdout] --> day7/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable [INFO] [stdout] --> day10/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(exclusive_range_pattern)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `exclusive_range_pattern` has been stable since 1.80.0 and no longer requires an attribute to enable [INFO] [stdout] --> day10/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(exclusive_range_pattern)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day14 v0.1.0 (/opt/rustwide/workdir/day14) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day8 v0.1.0 (/opt/rustwide/workdir/day8) [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `template` [INFO] [stdout] --> day14/src/main.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | fn answer_part2(mut template: Template, rules: &[Rule]) -> usize { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_template` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `int_abs_diff` has been stable since 1.60.0 and no longer requires an attribute to enable [INFO] [stdout] --> day7/src/main.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rules` [INFO] [stdout] --> day14/src/main.rs:59:41 [INFO] [stdout] | [INFO] [stdout] 59 | fn answer_part2(mut template: Template, rules: &[Rule]) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day14/src/main.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | fn answer_part2(mut template: Template, rules: &[Rule]) -> usize { [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `template` [INFO] [stdout] --> day14/src/main.rs:59:21 [INFO] [stdout] | [INFO] [stdout] 59 | fn answer_part2(mut template: Template, rules: &[Rule]) -> usize { [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_template` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rules` [INFO] [stdout] --> day14/src/main.rs:59:41 [INFO] [stdout] | [INFO] [stdout] 59 | fn answer_part2(mut template: Template, rules: &[Rule]) -> usize { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_rules` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day14/src/main.rs:59:17 [INFO] [stdout] | [INFO] [stdout] 59 | fn answer_part2(mut template: Template, rules: &[Rule]) -> usize { [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: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking day4 v0.1.0 (/opt/rustwide/workdir/day4) [INFO] [stderr] Checking multimap v0.8.3 [INFO] [stderr] Checking day12 v0.1.0 (/opt/rustwide/workdir/day12) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s [INFO] running `Command { std: "docker" "inspect" "0b87513b52827ff2bf7f2b0133a6f19e9801a812c579a4bf28ae40e3fe08bafd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b87513b52827ff2bf7f2b0133a6f19e9801a812c579a4bf28ae40e3fe08bafd", kill_on_drop: false }` [INFO] [stdout] 0b87513b52827ff2bf7f2b0133a6f19e9801a812c579a4bf28ae40e3fe08bafd