[INFO] cloning repository https://github.com/timwee/adventofcode2021_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/timwee/adventofcode2021_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 60eb5fb62cdaabd0a84266fbf23ef55ab390cd51 [INFO] checking timwee/adventofcode2021_rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timwee/adventofcode2021_rust 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/timwee/adventofcode2021_rust [INFO] finished tweaking git repo https://github.com/timwee/adventofcode2021_rust [INFO] tweaked toml for git repo https://github.com/timwee/adventofcode2021_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/timwee/adventofcode2021_rust 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 circular-queue v0.2.6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1604811e62969706ac2f82e7cf02c8aed92c607ed8b998960c330f0c2b2b124a [INFO] running `Command { std: "docker" "start" "-a" "1604811e62969706ac2f82e7cf02c8aed92c607ed8b998960c330f0c2b2b124a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1604811e62969706ac2f82e7cf02c8aed92c607ed8b998960c330f0c2b2b124a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1604811e62969706ac2f82e7cf02c8aed92c607ed8b998960c330f0c2b2b124a", kill_on_drop: false }` [INFO] [stdout] 1604811e62969706ac2f82e7cf02c8aed92c607ed8b998960c330f0c2b2b124a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2c8f2e5bb3c6c16b39a55d20eaa6139e2c4d05654c7cfe28d490062b43db94a9 [INFO] running `Command { std: "docker" "start" "-a" "2c8f2e5bb3c6c16b39a55d20eaa6139e2c4d05654c7cfe28d490062b43db94a9", kill_on_drop: false }` [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling circular-queue v0.2.6 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking adventofcode2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/bin/day3.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/day5.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | for caps in RE.captures(s) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 17 | while let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 17 | if let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/bin/day8.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/bin/day3.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/bin/day8.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Array` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ix3` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Ix3` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/day5.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | for caps in RE.captures(s) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 17 | while let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 17 | if let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Array` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ix3` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Ix3` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/day9.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord(usize, usize); [INFO] [stdout] | ----- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Coord` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/day9.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord(usize, usize); [INFO] [stdout] | ----- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Coord` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [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] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.33s [INFO] running `Command { std: "docker" "inspect" "2c8f2e5bb3c6c16b39a55d20eaa6139e2c4d05654c7cfe28d490062b43db94a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c8f2e5bb3c6c16b39a55d20eaa6139e2c4d05654c7cfe28d490062b43db94a9", kill_on_drop: false }` [INFO] [stdout] 2c8f2e5bb3c6c16b39a55d20eaa6139e2c4d05654c7cfe28d490062b43db94a9 [INFO] checking timwee/adventofcode2021_rust against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftimwee%2Fadventofcode2021_rust" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/timwee/adventofcode2021_rust 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/timwee/adventofcode2021_rust [INFO] finished tweaking git repo https://github.com/timwee/adventofcode2021_rust [INFO] tweaked toml for git repo https://github.com/timwee/adventofcode2021_rust written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/timwee/adventofcode2021_rust 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] de854a97435fd029e1e966ea3e87f9288a597faec204436580c431e35559347b [INFO] running `Command { std: "docker" "start" "-a" "de854a97435fd029e1e966ea3e87f9288a597faec204436580c431e35559347b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "de854a97435fd029e1e966ea3e87f9288a597faec204436580c431e35559347b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de854a97435fd029e1e966ea3e87f9288a597faec204436580c431e35559347b", kill_on_drop: false }` [INFO] [stdout] de854a97435fd029e1e966ea3e87f9288a597faec204436580c431e35559347b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6203cec83abb09449a04de99b447b5e7f841f57424a8e27b215c33e78a463b7a [INFO] running `Command { std: "docker" "start" "-a" "6203cec83abb09449a04de99b447b5e7f841f57424a8e27b215c33e78a463b7a", kill_on_drop: false }` [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking num-complex v0.4.0 [INFO] [stderr] Checking itertools-num v0.1.3 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Compiling circular-queue v0.2.6 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking adventofcode2021 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Array` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ix3` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Ix3` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/bin/day3.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Chars; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/bin/day8.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Array` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:15 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Array` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ix3` is imported redundantly [INFO] [stdout] --> src/bin/day4.rs:5:22 [INFO] [stdout] | [INFO] [stdout] 4 | use ndarray::{prelude::*, OwnedRepr}; [INFO] [stdout] | ---------- the item `Ix3` is already imported here [INFO] [stdout] 5 | use ndarray::{Array, Ix3}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::str::Chars` [INFO] [stdout] --> src/bin/day3.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::str::Chars; [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: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/day5.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | for caps in RE.captures(s) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 17 | while let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 17 | if let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement [INFO] [stdout] --> src/bin/day5.rs:17:15 [INFO] [stdout] | [INFO] [stdout] 17 | for caps in RE.captures(s) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(for_loops_over_fallibles)]` on by default [INFO] [stdout] help: to check pattern in a loop use `while let` [INFO] [stdout] | [INFO] [stdout] 17 | while let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~~~~ ~~~ [INFO] [stdout] help: consider using `if let` to clear intent [INFO] [stdout] | [INFO] [stdout] 17 | if let Some(caps) = RE.captures(s) { [INFO] [stdout] | ~~~~~~~~~~~~ ~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromIterator` is imported redundantly [INFO] [stdout] --> src/bin/day8.rs:46:5 [INFO] [stdout] | [INFO] [stdout] 46 | use std::iter::FromIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `FromIterator` is already defined here [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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/day9.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord(usize, usize); [INFO] [stdout] | ----- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Coord` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord((), ()); [INFO] [stdout] | ~~ ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0` and `1` are never read [INFO] [stdout] --> src/bin/day9.rs:12:14 [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord(usize, usize); [INFO] [stdout] | ----- ^^^^^ ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this struct [INFO] [stdout] | [INFO] [stdout] = note: `Coord` 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] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 12 | struct Coord((), ()); [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s [INFO] running `Command { std: "docker" "inspect" "6203cec83abb09449a04de99b447b5e7f841f57424a8e27b215c33e78a463b7a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6203cec83abb09449a04de99b447b5e7f841f57424a8e27b215c33e78a463b7a", kill_on_drop: false }` [INFO] [stdout] 6203cec83abb09449a04de99b447b5e7f841f57424a8e27b215c33e78a463b7a