[INFO] cloning repository https://github.com/thanadolps/aoc2021 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/thanadolps/aoc2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanadolps%2Faoc2021", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanadolps%2Faoc2021'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c851a4332f162a3ad69d802399686c4a31141f53 [INFO] checking thanadolps/aoc2021 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanadolps%2Faoc2021" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thanadolps/aoc2021 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thanadolps/aoc2021 [INFO] finished tweaking git repo https://github.com/thanadolps/aoc2021 [INFO] tweaked toml for git repo https://github.com/thanadolps/aoc2021 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/thanadolps/aoc2021 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded bare-metal v1.0.0 [INFO] [stderr] Downloaded heapless v0.7.14 [INFO] [stderr] Downloaded critical-section v0.2.7 [INFO] [stderr] Downloaded test-case v2.1.0 [INFO] [stderr] Downloaded strum_macros v0.24.2 [INFO] [stderr] Downloaded smallvec v1.8.1 [INFO] [stderr] Downloaded comfy-table v6.0.0 [INFO] [stderr] Downloaded easybench v1.1.0 [INFO] [stderr] Downloaded cortex-m v0.7.5 [INFO] [stderr] Downloaded riscv v0.7.0 [INFO] [stderr] Downloaded volatile-register v0.2.1 [INFO] [stderr] Downloaded riscv-target v0.1.2 [INFO] [stderr] Downloaded atomic-polyfill v0.1.8 [INFO] [stderr] Downloaded test-case-macros v2.1.0 [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_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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 842f29101f64d3a3cf85ac16cd9603f60e906aac9682ba0d65235daab72f8296 [INFO] running `Command { std: "docker" "start" "-a" "842f29101f64d3a3cf85ac16cd9603f60e906aac9682ba0d65235daab72f8296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "842f29101f64d3a3cf85ac16cd9603f60e906aac9682ba0d65235daab72f8296", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "842f29101f64d3a3cf85ac16cd9603f60e906aac9682ba0d65235daab72f8296", kill_on_drop: false }` [INFO] [stdout] 842f29101f64d3a3cf85ac16cd9603f60e906aac9682ba0d65235daab72f8296 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2459fc62ad6a7c72ba34899d012262970b90352019d3cdd2675e7f30ae1acbe3 [INFO] running `Command { std: "docker" "start" "-a" "2459fc62ad6a7c72ba34899d012262970b90352019d3cdd2675e7f30ae1acbe3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling semver v1.0.11 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking smallvec v1.8.1 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling rustversion v1.0.7 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling heapless v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking crossterm v0.23.2 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking easybench v1.1.0 [INFO] [stderr] Compiling strum_macros v0.24.2 [INFO] [stderr] Compiling test-case-macros v2.1.0 [INFO] [stderr] Checking test-case v2.1.0 [INFO] [stderr] Checking comfy-table v6.0.0 [INFO] [stderr] Checking aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> src/aoc6.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for day in 0..n_day { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [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: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> src/aoc6.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for day in 0..n_day { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [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: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.89s [INFO] running `Command { std: "docker" "inspect" "2459fc62ad6a7c72ba34899d012262970b90352019d3cdd2675e7f30ae1acbe3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2459fc62ad6a7c72ba34899d012262970b90352019d3cdd2675e7f30ae1acbe3", kill_on_drop: false }` [INFO] [stdout] 2459fc62ad6a7c72ba34899d012262970b90352019d3cdd2675e7f30ae1acbe3 [INFO] checking thanadolps/aoc2021 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthanadolps%2Faoc2021" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/thanadolps/aoc2021 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/thanadolps/aoc2021 [INFO] finished tweaking git repo https://github.com/thanadolps/aoc2021 [INFO] tweaked toml for git repo https://github.com/thanadolps/aoc2021 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/thanadolps/aoc2021 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65fa0e768877976dc0366412c46506815804355a567c9dcf252b00c6d39aa2d0 [INFO] running `Command { std: "docker" "start" "-a" "65fa0e768877976dc0366412c46506815804355a567c9dcf252b00c6d39aa2d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65fa0e768877976dc0366412c46506815804355a567c9dcf252b00c6d39aa2d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65fa0e768877976dc0366412c46506815804355a567c9dcf252b00c6d39aa2d0", kill_on_drop: false }` [INFO] [stdout] 65fa0e768877976dc0366412c46506815804355a567c9dcf252b00c6d39aa2d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 511bfd2644a29fc317843cdceb73ac11a68ab4882f4d56c57d1180a8792e83d3 [INFO] running `Command { std: "docker" "start" "-a" "511bfd2644a29fc317843cdceb73ac11a68ab4882f4d56c57d1180a8792e83d3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling proc-macro2 v1.0.40 [INFO] [stderr] Compiling quote v1.0.20 [INFO] [stderr] Compiling unicode-ident v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling semver v1.0.11 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling signal-hook v0.3.14 [INFO] [stderr] Compiling parking_lot_core v0.9.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling rustversion v1.0.7 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking smallvec v1.8.1 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking mio v0.8.4 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Compiling heapless v0.7.14 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking parking_lot v0.12.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking signal-hook-mio v0.2.3 [INFO] [stderr] Checking spin v0.9.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking crossterm v0.23.2 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking easybench v1.1.0 [INFO] [stderr] Compiling strum_macros v0.24.2 [INFO] [stderr] Compiling test-case-macros v2.1.0 [INFO] [stderr] Checking test-case v2.1.0 [INFO] [stderr] Checking comfy-table v6.0.0 [INFO] [stderr] Checking aoc2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> src/aoc6.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for day in 0..n_day { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [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: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `day` [INFO] [stdout] --> src/aoc6.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | for day in 0..n_day { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_day` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [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: variable does not need to be mutable [INFO] [stdout] --> src/aoc6.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut states = input.chunks(2).map(|chunk| chunk[0]-b'0').collect_vec(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.17s [INFO] running `Command { std: "docker" "inspect" "511bfd2644a29fc317843cdceb73ac11a68ab4882f4d56c57d1180a8792e83d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "511bfd2644a29fc317843cdceb73ac11a68ab4882f4d56c57d1180a8792e83d3", kill_on_drop: false }` [INFO] [stdout] 511bfd2644a29fc317843cdceb73ac11a68ab4882f4d56c57d1180a8792e83d3