[INFO] cloning repository https://github.com/chrismooredev/aoc.2021.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chrismooredev/aoc.2021.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrismooredev%2Faoc.2021.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrismooredev%2Faoc.2021.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 96e3da564cfa5fee811358f3512872f03794ddc9 [INFO] checking chrismooredev/aoc.2021.rs/96e3da564cfa5fee811358f3512872f03794ddc9 against master#1f81f906893d166d05fb4839f169983f2b564cc7 for pr-135167 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchrismooredev%2Faoc.2021.rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/chrismooredev/aoc.2021.rs on toolchain 1f81f906893d166d05fb4839f169983f2b564cc7 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/chrismooredev/aoc.2021.rs [INFO] finished tweaking git repo https://github.com/chrismooredev/aoc.2021.rs [INFO] tweaked toml for git repo https://github.com/chrismooredev/aoc.2021.rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/chrismooredev/aoc.2021.rs 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" "+1f81f906893d166d05fb4839f169983f2b564cc7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /workspace/builds/worker-2-tc1/source/day17/Cargo.toml [INFO] [stderr] workspace: /workspace/builds/worker-2-tc1/source/Cargo.toml [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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating git repository `https://github.com/csm123199/aochelper` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num_enum_derive v0.5.5 [INFO] [stderr] Downloaded num_enum v0.5.5 [INFO] [stderr] Downloaded bitstream-io v1.2.0 [INFO] [stderr] Downloaded pathfinding v3.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b75dfab5104252f39c772c713b1b7031957ec4ff1dfd639c05311c9278a9759b [INFO] running `Command { std: "docker" "start" "-a" "b75dfab5104252f39c772c713b1b7031957ec4ff1dfd639c05311c9278a9759b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b75dfab5104252f39c772c713b1b7031957ec4ff1dfd639c05311c9278a9759b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b75dfab5104252f39c772c713b1b7031957ec4ff1dfd639c05311c9278a9759b", kill_on_drop: false }` [INFO] [stdout] b75dfab5104252f39c772c713b1b7031957ec4ff1dfd639c05311c9278a9759b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1f81f906893d166d05fb4839f169983f2b564cc7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e4cf24d17e96f7a11d5b5088edd2e25cf84b2bcf961b45c389cf53044f31c166 [INFO] running `Command { std: "docker" "start" "-a" "e4cf24d17e96f7a11d5b5088edd2e25cf84b2bcf961b45c389cf53044f31c166", kill_on_drop: false }` [INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root: [INFO] [stderr] package: /opt/rustwide/workdir/day17/Cargo.toml [INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml [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 autocfg v1.0.1 [INFO] [stderr] Compiling proc-macro2 v1.0.33 [INFO] [stderr] Compiling libc v0.2.109 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking serde v0.8.23 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking rust-ini v0.13.0 [INFO] [stderr] Checking fixedbitset v0.1.9 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking ordermap v0.3.5 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking tint v1.0.1 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking fixedbitset v0.4.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Checking petgraph v0.4.13 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking once_cell v1.9.0 [INFO] [stderr] Checking number_prefix v0.4.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking rustc-hash v1.1.0 [INFO] [stderr] Checking bimap v0.6.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking directories v1.0.2 [INFO] [stderr] Checking isatty v0.1.9 [INFO] [stderr] Checking colored v1.9.3 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking terminal_size v0.1.17 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking console v0.15.0 [INFO] [stderr] Checking bitstream-io v1.2.0 [INFO] [stderr] Checking ascii v1.0.0 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking ordered-float v1.1.1 [INFO] [stderr] Checking petgraph v0.6.0 [INFO] [stderr] Checking integer-sqrt v0.1.5 [INFO] [stderr] Checking pathfinding v3.0.5 [INFO] [stderr] Checking serde_test v0.8.23 [INFO] [stderr] Checking linked-hash-map v0.3.0 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking serde-hjson v0.8.2 [INFO] [stderr] Checking indicatif v0.16.2 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking serde-value v0.5.3 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Compiling toml v0.5.8 [INFO] [stderr] Checking config v0.9.3 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Compiling proc-macro-crate v1.1.0 [INFO] [stderr] Compiling num_enum_derive v0.5.5 [INFO] [stderr] Checking num_enum v0.5.5 [INFO] [stderr] Checking ptree v0.2.1 [INFO] [stderr] Checking aoch v0.3.7 (https://github.com/csm123199/aochelper#644fae3f) [INFO] [stderr] Checking day11 v0.1.0 (/opt/rustwide/workdir/day11) [INFO] [stderr] Checking day20 v0.1.0 (/opt/rustwide/workdir/day20) [INFO] [stderr] Checking day23 v0.1.0 (/opt/rustwide/workdir/day23) [INFO] [stderr] Checking day24 v0.1.0 (/opt/rustwide/workdir/day24) [INFO] [stderr] Checking day04 v0.1.0 (/opt/rustwide/workdir/day04) [INFO] [stderr] Checking day01 v0.1.0 (/opt/rustwide/workdir/day01) [INFO] [stderr] Checking day15 v0.1.0 (/opt/rustwide/workdir/day15) [INFO] [stderr] Checking day18 v0.1.0 (/opt/rustwide/workdir/day18) [INFO] [stderr] Checking day12 v0.1.0 (/opt/rustwide/workdir/day12) [INFO] [stderr] Checking day13 v0.1.0 (/opt/rustwide/workdir/day13) [INFO] [stderr] Checking day06 v0.1.0 (/opt/rustwide/workdir/day06) [INFO] [stderr] Checking day10 v0.1.0 (/opt/rustwide/workdir/day10) [INFO] [stderr] Checking day07 v0.1.0 (/opt/rustwide/workdir/day07) [INFO] [stderr] Checking day25 v0.1.0 (/opt/rustwide/workdir/day25) [INFO] [stderr] Checking day08 v0.1.0 (/opt/rustwide/workdir/day08) [INFO] [stderr] Checking day03 v0.1.0 (/opt/rustwide/workdir/day03) [INFO] [stdout] error[E0635]: unknown feature `hash_drain_filter` [INFO] [stdout] --> day20/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(hash_drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `drain_filter` [INFO] [stdout] --> day03/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0635]: unknown feature `drain_filter` [INFO] [stdout] --> day13/src/lib.rs:1:12 [INFO] [stdout] | [INFO] [stdout] 1 | #![feature(drain_filter)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day16 v0.1.0 (/opt/rustwide/workdir/day16) [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] --> day23/src/lib.rs:2:12 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(int_abs_diff)] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `drain_filter` found for struct `Vec` in the current scope [INFO] [stdout] --> day03/src/lib.rs:34:23 [INFO] [stdout] | [INFO] [stdout] 34 | let _ = candidates.drain_filter(|&mut word| { [INFO] [stdout] | -----------^^^^^^^^^^^^ method not found in `Vec` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking day17 v0.1.0 (/opt/rustwide/workdir/day17) [INFO] [stderr] Checking day19 v0.1.0 (/opt/rustwide/workdir/day19) [INFO] [stderr] Checking day02 v0.1.0 (/opt/rustwide/workdir/day02) [INFO] [stdout] Some errors have detailed explanations: E0599, E0635. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] Checking day14 v0.1.0 (/opt/rustwide/workdir/day14) [INFO] [stderr] error: could not compile `day03` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error[E0560]: struct `Day18` has no field named `pairs` [INFO] [stdout] --> day18/src/lib.rs:217:14 [INFO] [stdout] | [INFO] [stdout] 217 | Ok(Day18 { pairs, tokens }) [INFO] [stdout] | ^^^^^ `Day18` does not have this field [INFO] [stdout] | [INFO] [stdout] = note: all struct fields are already assigned [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0635`. [INFO] [stdout] [INFO] [stderr] error: could not compile `day13` (lib) due to 1 previous error [INFO] [stderr] error: could not compile `day20` (lib) due to 1 previous error [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] --> day19/src/lib.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: method `day` is never used [INFO] [stdout] --> day06/src/lib.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | trait FishField: std::fmt::Debug { [INFO] [stdout] | --------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 19 | fn day(&self) -> usize; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `FieldNaive` is never constructed [INFO] [stdout] --> day06/src/lib.rs:57:8 [INFO] [stdout] | [INFO] [stdout] 57 | struct FieldNaive { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day18/src/lib.rs:182:8 [INFO] [stdout] | [INFO] [stdout] 182 | let mut i = 0; [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: unreachable expression [INFO] [stdout] --> day17/src/lib.rs:145:3 [INFO] [stdout] | [INFO] [stdout] 128 | / loop { [INFO] [stdout] 129 | | // perform bisection [INFO] [stdout] 130 | | let res = self.step_y(guess); [INFO] [stdout] 131 | | if res > target_upper { [INFO] [stdout] ... | [INFO] [stdout] 136 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 145 | todo!() [INFO] [stdout] | ^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] = note: this warning originates in the macro `todo` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0560`. [INFO] [stdout] [INFO] [stderr] error: could not compile `day18` (lib) due to 1 previous error; 1 warning emitted [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> day16/src/lib.rs:13:12 [INFO] [stdout] | [INFO] [stdout] 13 | BitLength(u16), [INFO] [stdout] | --------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PacketLength` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 13 | BitLength(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> day16/src/lib.rs:14:17 [INFO] [stdout] | [INFO] [stdout] 14 | SubPacketCount(u16), [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `PacketLength` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 14 | SubPacketCount(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `PolymerChain` is never constructed [INFO] [stdout] --> day14/src/lib.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | struct PolymerChain(Vec); [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `get` is never used [INFO] [stdout] --> day14/src/lib.rs:83:5 [INFO] [stdout] | [INFO] [stdout] 64 | impl PolymerRules { [INFO] [stdout] | ----------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 83 | fn get(&self, a: u8, b: u8) -> Option { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `len` and `print_counts` are never used [INFO] [stdout] --> day14/src/lib.rs:210:5 [INFO] [stdout] | [INFO] [stdout] 194 | trait PolyChain { [INFO] [stdout] | --------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 210 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 213 | fn print_counts(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `target_range` [INFO] [stdout] --> day17/src/lib.rs:124:7 [INFO] [stdout] | [INFO] [stdout] 124 | let target_range = target.end() - target.start(); [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_target_range` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `gstep` [INFO] [stdout] --> day17/src/lib.rs:127:11 [INFO] [stdout] | [INFO] [stdout] 127 | let mut gstep: usize = 0; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_gstep` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day17/src/lib.rs:126:7 [INFO] [stdout] | [INFO] [stdout] 126 | let mut guess: usize = 5000; [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] --> day17/src/lib.rs:127:7 [INFO] [stdout] | [INFO] [stdout] 127 | let mut gstep: usize = 0; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> day17/src/lib.rs:161:7 [INFO] [stdout] | [INFO] [stdout] 161 | let mut sqrt_arg = 8*self.opp_sign*(self.offse+x)+self.x_modif.pow(2); [INFO] [stdout] | ----^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `on_step_x` is never used [INFO] [stdout] --> day17/src/lib.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 23 | impl Probe { [INFO] [stdout] | ---------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 65 | fn on_step_x(step: isize, velo: isize) -> isize { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Curve` is never constructed [INFO] [stdout] --> day17/src/lib.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 75 | struct Curve { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> day17/src/lib.rs:85:5 [INFO] [stdout] | [INFO] [stdout] 84 | impl Curve { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 85 | fn new(velo: isize) -> Curve { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | fn step_y(&self, n: usize) -> isize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 105 | fn step_x(&self, n: usize) -> isize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 119 | fn hits_y(&self, target: &Target) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 148 | fn step_y_pos(&self, n: usize) -> isize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 153 | fn step_y_neg(&self, n: usize) -> isize { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn closest_x(&self, x: isize) -> f64 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `DifferenceMatcher` is never constructed [INFO] [stdout] --> day19/src/lib.rs:83:8 [INFO] [stdout] | [INFO] [stdout] 83 | struct DifferenceMatcher { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MagnitudeMatcher` is never constructed [INFO] [stdout] --> day19/src/lib.rs:145:8 [INFO] [stdout] | [INFO] [stdout] 145 | struct MagnitudeMatcher { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `map` is never used [INFO] [stdout] --> day19/src/lib.rs:226:5 [INFO] [stdout] | [INFO] [stdout] 224 | impl AxisMapping { [INFO] [stdout] | ---------------- method in this implementation [INFO] [stdout] 225 | /// Maps a triple. Interprets input `m` as XYZ and outputs as this map. [INFO] [stdout] 226 | fn map(&self, m: &[T; 3]) -> [T; 3] { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e4cf24d17e96f7a11d5b5088edd2e25cf84b2bcf961b45c389cf53044f31c166", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4cf24d17e96f7a11d5b5088edd2e25cf84b2bcf961b45c389cf53044f31c166", kill_on_drop: false }` [INFO] [stdout] e4cf24d17e96f7a11d5b5088edd2e25cf84b2bcf961b45c389cf53044f31c166