[INFO] cloning repository https://github.com/alessiocali/AdventOfCode-Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alessiocali/AdventOfCode-Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessiocali%2FAdventOfCode-Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessiocali%2FAdventOfCode-Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 893f514ab828f8abd0bf02f669f44166f10873f4
[INFO] checking alessiocali/AdventOfCode-Rust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessiocali%2FAdventOfCode-Rust" "/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/alessiocali/AdventOfCode-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/alessiocali/AdventOfCode-Rust
[INFO] finished tweaking git repo https://github.com/alessiocali/AdventOfCode-Rust
[INFO] tweaked toml for git repo https://github.com/alessiocali/AdventOfCode-Rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alessiocali/AdventOfCode-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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c6ebe509ab3128da9ff66a9accfdbe0314d55baacac461ba423f0bfb98517c4
[INFO] running `Command { std: "docker" "start" "-a" "8c6ebe509ab3128da9ff66a9accfdbe0314d55baacac461ba423f0bfb98517c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c6ebe509ab3128da9ff66a9accfdbe0314d55baacac461ba423f0bfb98517c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c6ebe509ab3128da9ff66a9accfdbe0314d55baacac461ba423f0bfb98517c4", kill_on_drop: false }`
[INFO] [stdout] 8c6ebe509ab3128da9ff66a9accfdbe0314d55baacac461ba423f0bfb98517c4
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e2fd27218fb0042508c5dfe049eb0a857f98776dc14b865e420907e5f476290
[INFO] running `Command { std: "docker" "start" "-a" "1e2fd27218fb0042508c5dfe049eb0a857f98776dc14b865e420907e5f476290", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/06_TuningTrouble/main.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(std::io::Error) }
[INFO] [stdout]   |                                         ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(()) }
[INFO] [stdout]   |                                                 ~~
[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/calendar/2022/04_CampCleanup/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                       ------------ ^^^  ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       fields in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange((), ()), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                    ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/04_CampCleanup/main.rs:7:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                                             ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |                                                             |
[INFO] [stdout]   |                                                             field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(()) }
[INFO] [stdout]   |                                                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum RucksackError { Empty, Unbalanced(usize), InvalidItems }
[INFO] [stdout]    |                             ---------- ^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             field in this variant
[INFO] [stdout]    |
[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] 34 | enum RucksackError { Empty, Unbalanced(()), InvalidItems }
[INFO] [stdout]    |                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                     ----------- ^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(()), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                          ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(()), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:83
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                                   --------------- ^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(()) }
[INFO] [stdout]    |                                                                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                    ----------------- ^^^^^^
[INFO] [stdout]   |                                    |
[INFO] [stdout]   |                                    field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(()), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:82
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                               ------------------ ^^^^^^
[INFO] [stdout]   |                                                               |
[INFO] [stdout]   |                                                               field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(()), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:108
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                           ---------------- ^^^^^
[INFO] [stdout]   |                                                                                           |
[INFO] [stdout]   |                                                                                           field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(()) }
[INFO] [stdout]   |                                                                                                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                         ---------------- ^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(()), StackUnderflow(usize) }
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:65
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                                                  -------------- ^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(()) }
[INFO] [stdout]    |                                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |              ----------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(()), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                   ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(()), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:90
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                            ------------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(()), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:116
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                                         ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                                                         |
[INFO] [stdout]    |                                                                                                         field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(()) }
[INFO] [stdout]    |                                                                                                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     InvalidLine(String),
[INFO] [stdout]   |     ----------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     InvalidLine(()),
[INFO] [stdout]   |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnrecognizedSyntax(String)
[INFO] [stdout]   |     ------------------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 8 |     UnrecognizedSyntax(())
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IoError(std::io::Error), 
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     IoError(()), 
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ParsingError(ParsingError), 
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     ParsingError(()), 
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     RegexError(regex::Error)
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 |     RegexError(())
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                    ----------------- ^^^^^^
[INFO] [stdout]   |                                    |
[INFO] [stdout]   |                                    field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(()), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:82
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                               ------------------ ^^^^^^
[INFO] [stdout]   |                                                               |
[INFO] [stdout]   |                                                               field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(()), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:108
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                           ---------------- ^^^^^
[INFO] [stdout]   |                                                                                           |
[INFO] [stdout]   |                                                                                           field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(()) }
[INFO] [stdout]   |                                                                                                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                         ---------------- ^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(()), StackUnderflow(usize) }
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:65
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                                                  -------------- ^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(()) }
[INFO] [stdout]    |                                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |              ----------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(()), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Parsing(ParsingError)
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     Parsing(())
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                   ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(()), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidTreeHeight(char)
[INFO] [stdout]   |     ----------------- ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 9 |     InvalidTreeHeight(())
[INFO] [stdout]   |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:90
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                            ------------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(()), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:116
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                                         ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                                                         |
[INFO] [stdout]    |                                                                                                         field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(()) }
[INFO] [stdout]    |                                                                                                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Parsing(ParsingError)
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     Parsing(())
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidTreeHeight(char)
[INFO] [stdout]   |     ----------------- ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 9 |     InvalidTreeHeight(())
[INFO] [stdout]   |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/06_TuningTrouble/main.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(std::io::Error) }
[INFO] [stdout]   |                                         ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(()) }
[INFO] [stdout]   |                                                 ~~
[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/calendar/2022/04_CampCleanup/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                       ------------ ^^^  ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       fields in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange((), ()), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                    ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum RucksackError { Empty, Unbalanced(usize), InvalidItems }
[INFO] [stdout]    |                             ---------- ^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             field in this variant
[INFO] [stdout]    |
[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] 34 | enum RucksackError { Empty, Unbalanced(()), InvalidItems }
[INFO] [stdout]    |                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                     ----------- ^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(()), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                          ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(()), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:83
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                                   --------------- ^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(()) }
[INFO] [stdout]    |                                                                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/04_CampCleanup/main.rs:7:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                                             ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |                                                             |
[INFO] [stdout]   |                                                             field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(()) }
[INFO] [stdout]   |                                                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RegexError(regex::Error),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     RegexError(()),
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     DirectionParsingError(String),
[INFO] [stdout]   |     --------------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     DirectionParsingError(()),
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LineParsingError(String)
[INFO] [stdout]   |     ---------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 6 |     LineParsingError(())
[INFO] [stdout]   |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RegexError(regex::Error),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     RegexError(()),
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     DirectionParsingError(String),
[INFO] [stdout]   |     --------------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     DirectionParsingError(()),
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LineParsingError(String)
[INFO] [stdout]   |     ---------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 6 |     LineParsingError(())
[INFO] [stdout]   |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     InvalidLine(String),
[INFO] [stdout]   |     ----------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     InvalidLine(()),
[INFO] [stdout]   |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnrecognizedSyntax(String)
[INFO] [stdout]   |     ------------------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 8 |     UnrecognizedSyntax(())
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IoError(std::io::Error), 
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     IoError(()), 
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ParsingError(ParsingError), 
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     ParsingError(()), 
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     RegexError(regex::Error)
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 |     RegexError(())
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.84s
[INFO] running `Command { std: "docker" "inspect" "1e2fd27218fb0042508c5dfe049eb0a857f98776dc14b865e420907e5f476290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2fd27218fb0042508c5dfe049eb0a857f98776dc14b865e420907e5f476290", kill_on_drop: false }`
[INFO] [stdout] 1e2fd27218fb0042508c5dfe049eb0a857f98776dc14b865e420907e5f476290
[INFO] checking alessiocali/AdventOfCode-Rust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falessiocali%2FAdventOfCode-Rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alessiocali/AdventOfCode-Rust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alessiocali/AdventOfCode-Rust
[INFO] finished tweaking git repo https://github.com/alessiocali/AdventOfCode-Rust
[INFO] tweaked toml for git repo https://github.com/alessiocali/AdventOfCode-Rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/alessiocali/AdventOfCode-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67f0896cd9efac1a208cba4ee16d8618de770d107ebd9d206cb555edbf443e5e
[INFO] running `Command { std: "docker" "start" "-a" "67f0896cd9efac1a208cba4ee16d8618de770d107ebd9d206cb555edbf443e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67f0896cd9efac1a208cba4ee16d8618de770d107ebd9d206cb555edbf443e5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f0896cd9efac1a208cba4ee16d8618de770d107ebd9d206cb555edbf443e5e", kill_on_drop: false }`
[INFO] [stdout] 67f0896cd9efac1a208cba4ee16d8618de770d107ebd9d206cb555edbf443e5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e8241e6a7c39c223c4e0bc6fe7495a8598db24545dcdc3fad1e8a9de7a540f4
[INFO] running `Command { std: "docker" "start" "-a" "4e8241e6a7c39c223c4e0bc6fe7495a8598db24545dcdc3fad1e8a9de7a540f4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.70
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling darling_core v0.20.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling darling_macro v0.20.3
[INFO] [stderr]    Compiling darling v0.20.3
[INFO] [stderr]    Compiling enumset_derive v0.8.1
[INFO] [stderr]     Checking enumset v1.1.3
[INFO] [stderr]     Checking advent_of_code v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/06_TuningTrouble/main.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(std::io::Error) }
[INFO] [stdout]   |                                         ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(()) }
[INFO] [stdout]   |                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/calendar/2022/04_CampCleanup/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                       ------------ ^^^  ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       fields in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange((), ()), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                    ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/04_CampCleanup/main.rs:7:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                                             ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |                                                             |
[INFO] [stdout]   |                                                             field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(()) }
[INFO] [stdout]   |                                                                        ~~
[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: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Parsing(ParsingError)
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     Parsing(())
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidTreeHeight(char)
[INFO] [stdout]   |     ----------------- ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 9 |     InvalidTreeHeight(())
[INFO] [stdout]   |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RegexError(regex::Error),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     RegexError(()),
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     DirectionParsingError(String),
[INFO] [stdout]   |     --------------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     DirectionParsingError(()),
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LineParsingError(String)
[INFO] [stdout]   |     ---------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 6 |     LineParsingError(())
[INFO] [stdout]   |                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:4:13
[INFO] [stdout]   |
[INFO] [stdout] 4 |     Parsing(ParsingError)
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     Parsing(())
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/08_TreetopTreeHouse/errors.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 |     InvalidTreeHeight(char)
[INFO] [stdout]   |     ----------------- ^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 9 |     InvalidTreeHeight(())
[INFO] [stdout]   |                       ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     InvalidLine(String),
[INFO] [stdout]   |     ----------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     InvalidLine(()),
[INFO] [stdout]   |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnrecognizedSyntax(String)
[INFO] [stdout]   |     ------------------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 8 |     UnrecognizedSyntax(())
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IoError(std::io::Error), 
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     IoError(()), 
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ParsingError(ParsingError), 
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     ParsingError(()), 
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     RegexError(regex::Error)
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 |     RegexError(())
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                    ----------------- ^^^^^^
[INFO] [stdout]   |                                    |
[INFO] [stdout]   |                                    field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(()), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:82
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                               ------------------ ^^^^^^
[INFO] [stdout]   |                                                               |
[INFO] [stdout]   |                                                               field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(()), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:108
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                           ---------------- ^^^^^
[INFO] [stdout]   |                                                                                           |
[INFO] [stdout]   |                                                                                           field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(()) }
[INFO] [stdout]   |                                                                                                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                         ---------------- ^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(()), StackUnderflow(usize) }
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:65
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                                                  -------------- ^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(()) }
[INFO] [stdout]    |                                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |              ----------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(()), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                   ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(()), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:90
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                            ------------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(()), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:116
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                                         ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                                                         |
[INFO] [stdout]    |                                                                                                         field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(()) }
[INFO] [stdout]    |                                                                                                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     InvalidLine(String),
[INFO] [stdout]   |     ----------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     InvalidLine(()),
[INFO] [stdout]   |                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:8:24
[INFO] [stdout]   |
[INFO] [stdout] 8 |     UnrecognizedSyntax(String)
[INFO] [stdout]   |     ------------------ ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 8 |     UnrecognizedSyntax(())
[INFO] [stdout]   |                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 |     IoError(std::io::Error), 
[INFO] [stdout]    |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     IoError(()), 
[INFO] [stdout]    |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 |     ParsingError(ParsingError), 
[INFO] [stdout]    |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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 |     ParsingError(()), 
[INFO] [stdout]    |                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/07_NoSpaceLeftOnDevice/errors.rs:15:16
[INFO] [stdout]    |
[INFO] [stdout] 15 |     RegexError(regex::Error)
[INFO] [stdout]    |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 |     RegexError(())
[INFO] [stdout]    |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum RucksackError { Empty, Unbalanced(usize), InvalidItems }
[INFO] [stdout]    |                             ---------- ^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             field in this variant
[INFO] [stdout]    |
[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] 34 | enum RucksackError { Empty, Unbalanced(()), InvalidItems }
[INFO] [stdout]    |                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                     ----------- ^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(()), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                          ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(()), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:83
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                                   --------------- ^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(()) }
[INFO] [stdout]    |                                                                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:54
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                    ----------------- ^^^^^^
[INFO] [stdout]   |                                    |
[INFO] [stdout]   |                                    field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(()), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                      ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:82
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                               ------------------ ^^^^^^
[INFO] [stdout]   |                                                               |
[INFO] [stdout]   |                                                               field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(()), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/05_SupplyStacks/main.rs:7:108
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(usize) }
[INFO] [stdout]   |                                                                                           ---------------- ^^^^^
[INFO] [stdout]   |                                                                                           |
[INFO] [stdout]   |                                                                                           field in this variant
[INFO] [stdout]   |
[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] 7 | enum ParsingError { NoStackLabels, InvalidCargoLabel(String), InvalidInstruction(String), OutOfBoundsStack(()) }
[INFO] [stdout]   |                                                                                                            ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:42
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                         ---------------- ^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(()), StackUnderflow(usize) }
[INFO] [stdout]    |                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:10:65
[INFO] [stdout]    |
[INFO] [stdout] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(usize) }
[INFO] [stdout]    |                                                  -------------- ^^^^^
[INFO] [stdout]    |                                                  |
[INFO] [stdout]    |                                                  field in this variant
[INFO] [stdout]    |
[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] 10 | enum InstructionError { OutOfBoundsStack(usize), StackUnderflow(()) }
[INFO] [stdout]    |                                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:32
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |              ----------------- ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |              |
[INFO] [stdout]    |              field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(()), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:59
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                   ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                   |
[INFO] [stdout]    |                                                   field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(()), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:90
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                            ------------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                            |
[INFO] [stdout]    |                                                                            field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(()), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                          ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/05_SupplyStacks/main.rs:13:116
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(regex::Error) }
[INFO] [stdout]    |                                                                                                         ---------- ^^^^^^^^^^^^
[INFO] [stdout]    |                                                                                                         |
[INFO] [stdout]    |                                                                                                         field in this variant
[INFO] [stdout]    |
[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 | enum Error { InstructionErrors(InstructionError), IoError(std::io::Error), ParsingErrors(ParsingError), RegexError(()) }
[INFO] [stdout]    |                                                                                                                    ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:34:40
[INFO] [stdout]    |
[INFO] [stdout] 34 | enum RucksackError { Empty, Unbalanced(usize), InvalidItems }
[INFO] [stdout]    |                             ---------- ^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             field in this variant
[INFO] [stdout]    |
[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] 34 | enum RucksackError { Empty, Unbalanced(()), InvalidItems }
[INFO] [stdout]    |                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:33
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                     ----------- ^^^^^^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(()), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:50
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                          ------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |                                          |
[INFO] [stdout]    |                                          field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(()), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/calendar/2022/03_RucksackReorganization/main.rs:81:83
[INFO] [stdout]    |
[INFO] [stdout] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(RucksackError) }
[INFO] [stdout]    |                                                                   --------------- ^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                   |
[INFO] [stdout]    |                                                                   field in this variant
[INFO] [stdout]    |
[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] 81 | enum ParsingError { NoInputFile(String), IoError(std::io::Error), RucksackParsing(()) }
[INFO] [stdout]    |                                                                                   ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/06_TuningTrouble/main.rs:7:49
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(std::io::Error) }
[INFO] [stdout]   |                                         ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |                                         |
[INFO] [stdout]   |                                         field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { EmptyFile, MarkerNotFound, IoError(()) }
[INFO] [stdout]   |                                                 ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]  --> src/calendar/2022/04_CampCleanup/main.rs:7:36
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                       ------------ ^^^  ^^^
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       fields in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange((), ()), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                    ~~  ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     IoError(std::io::Error),
[INFO] [stdout]   |     ------- ^^^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 3 |     IoError(()),
[INFO] [stdout]   |             ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/04_CampCleanup/main.rs:7:72
[INFO] [stdout]   |
[INFO] [stdout] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(regex::Error) }
[INFO] [stdout]   |                                                             ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |                                                             |
[INFO] [stdout]   |                                                             field in this variant
[INFO] [stdout]   |
[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] 7 | enum Error { IoError, InvalidRange(i32, i32), ParsingError, RegexError(()) }
[INFO] [stdout]   |                                                                        ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     RegexError(regex::Error),
[INFO] [stdout]   |     ---------- ^^^^^^^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 4 |     RegexError(()),
[INFO] [stdout]   |                ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:5:27
[INFO] [stdout]   |
[INFO] [stdout] 5 |     DirectionParsingError(String),
[INFO] [stdout]   |     --------------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 5 |     DirectionParsingError(()),
[INFO] [stdout]   |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/calendar/2022/09_RopeBridge/error.rs:6:22
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LineParsingError(String)
[INFO] [stdout]   |     ---------------- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[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] 6 |     LineParsingError(())
[INFO] [stdout]   |                      ~~
[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: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.23s
[INFO] running `Command { std: "docker" "inspect" "4e8241e6a7c39c223c4e0bc6fe7495a8598db24545dcdc3fad1e8a9de7a540f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e8241e6a7c39c223c4e0bc6fe7495a8598db24545dcdc3fad1e8a9de7a540f4", kill_on_drop: false }`
[INFO] [stdout] 4e8241e6a7c39c223c4e0bc6fe7495a8598db24545dcdc3fad1e8a9de7a540f4