[INFO] cloning repository https://github.com/Ratismal/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ratismal/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRatismal%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRatismal%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ed412b3d04c39a2f6d7895d57fc2f1d9b39a759
[INFO] checking Ratismal/adventofcode2018 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRatismal%2Fadventofcode2018" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ratismal/adventofcode2018 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] finished tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/Ratismal/adventofcode2018 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Ratismal/adventofcode2018 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking Ratismal/adventofcode2018 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRatismal%2Fadventofcode2018" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ratismal/adventofcode2018 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] finished tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/Ratismal/adventofcode2018 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ratismal/adventofcode2018 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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Ratismal/adventofcode2018 against try#7622c0f807a4e13c4db886a1681bf343795692df+rustflags=-Dnon_local_definitions for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRatismal%2Fadventofcode2018" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ratismal/adventofcode2018 on toolchain 7622c0f807a4e13c4db886a1681bf343795692df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] finished tweaking git repo https://github.com/Ratismal/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/Ratismal/adventofcode2018 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ratismal/adventofcode2018 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" "+7622c0f807a4e13c4db886a1681bf343795692df" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f82f86127612af01bae6cf89b96e02de01b4e98921f3a782122ae73ab68b7cf0
[INFO] running `Command { std: "docker" "start" "-a" "f82f86127612af01bae6cf89b96e02de01b4e98921f3a782122ae73ab68b7cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f82f86127612af01bae6cf89b96e02de01b4e98921f3a782122ae73ab68b7cf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82f86127612af01bae6cf89b96e02de01b4e98921f3a782122ae73ab68b7cf0", kill_on_drop: false }`
[INFO] [stdout] f82f86127612af01bae6cf89b96e02de01b4e98921f3a782122ae73ab68b7cf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Dnon_local_definitions" "-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" "+7622c0f807a4e13c4db886a1681bf343795692df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a46244a7ce71b02e8f148dd960a16d6825137db769786a0347dd53ae24bcf3
[INFO] running `Command { std: "docker" "start" "-a" "c5a46244a7ce71b02e8f148dd960a16d6825137db769786a0347dd53ae24bcf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/puzzles/d8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/puzzles/d8.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_CHILD` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   HEADER_CHILD,
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderChild`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_META` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderMeta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/puzzles/puzzle.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn puzzle_a(&self, String) -> String;
[INFO] [stdout]   |                      ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/puzzles/puzzle.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn puzzle_b(&self, String) -> String;
[INFO] [stdout]   |                      ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_CHILD` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   HEADER_CHILD,
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderChild`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `HEADER_META` should have an upper camel case name
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^ help: convert the identifier to upper camel case: `HeaderMeta`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/puzzles/puzzle.rs:2:22
[INFO] [stdout]   |
[INFO] [stdout] 2 |   fn puzzle_a(&self, String) -> String;
[INFO] [stdout]   |                      ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/puzzles/puzzle.rs:3:22
[INFO] [stdout]   |
[INFO] [stdout] 3 |   fn puzzle_b(&self, String) -> String;
[INFO] [stdout]   |                      ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/mod.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut days: Vec<Box<Puzzle>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut days: Vec<Box<dyn Puzzle>> = Vec::new();
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/mod.rs:22:27
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut days: Vec<Box<Puzzle>> = Vec::new();
[INFO] [stdout]    |                           ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut days: Vec<Box<dyn Puzzle>> = Vec::new();
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/puzzles/mod.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let trimmed = input.trim_right().to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let trimmed = input.trim_end().to_string();
[INFO] [stdout]    |                         ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_right`: superseded by `trim_end`
[INFO] [stdout]   --> src/puzzles/mod.rs:63:25
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let trimmed = input.trim_right().to_string();
[INFO] [stdout]    |                         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]    |
[INFO] [stdout] 63 |     let trimmed = input.trim_end().to_string();
[INFO] [stdout]    |                         ~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d1.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let mut i: i32 = line.parse().unwrap();
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d1.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let mut i: i32 = line.parse().unwrap();
[INFO] [stdout]    |                     ----^
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/d4.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 |       let mut guard = guard_map.entry(id).or_insert(Guard {
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut target = Point {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/d4.rs:167:11
[INFO] [stdout]     |
[INFO] [stdout] 167 |       let mut guard = guard_map.entry(id).or_insert(Guard {
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 |       let mut point = Point {
[INFO] [stdout]    |           ----^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/d6.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut point = Point {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut target = Point {
[INFO] [stdout]    |             ----^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d6.rs:79:11
[INFO] [stdout]    |
[INFO] [stdout] 79 |       let mut point = Point {
[INFO] [stdout]    |           ----^^^^^
[INFO] [stdout]    |           |
[INFO] [stdout]    |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/d6.rs:100:13
[INFO] [stdout]     |
[INFO] [stdout] 100 |         let mut point = Point {
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/puzzles/d8.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_nodes`
[INFO] [stdout]   --> src/puzzles/d8.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut child_nodes: u32;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut meta_elements: u32;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/puzzles/d8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in elements {}
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let elements = self.parse(&input);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/puzzles/d8.rs:25:13
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `child_nodes`
[INFO] [stdout]   --> src/puzzles/d8.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut child_nodes: u32;
[INFO] [stdout]    |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_child_nodes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `meta_elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:27:13
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut meta_elements: u32;
[INFO] [stdout]    |             ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_meta_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/puzzles/d8.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     for i in elements {}
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/d8.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let mut state: State = State::HEADER_CHILD;
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `elements`
[INFO] [stdout]   --> src/puzzles/d8.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     let elements = self.parse(&input);
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_elements`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/puzzles/d8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HEADER_META` and `META` are never constructed
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum State {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 12 |   HEADER_CHILD,
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 14 |   META,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `entry_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |       static ref entry_re: Regex =
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `ENTRY_RE`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shift_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |       static ref shift_re: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `SHIFT_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `line_re` should have an upper case name
[INFO] [stdout]   --> src/puzzles/d7.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |       static ref line_re: Regex =
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `LINE_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Node` is never constructed
[INFO] [stdout]  --> src/puzzles/d8.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Node {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `HEADER_META` and `META` are never constructed
[INFO] [stdout]   --> src/puzzles/d8.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 11 | enum State {
[INFO] [stdout]    |      ----- variants in this enum
[INFO] [stdout] 12 |   HEADER_CHILD,
[INFO] [stdout] 13 |   HEADER_META,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 14 |   META,
[INFO] [stdout]    |   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `entry_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |       static ref entry_re: Regex =
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `ENTRY_RE`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `shift_re` should have an upper case name
[INFO] [stdout]    --> src/puzzles/d4.rs:121:18
[INFO] [stdout]     |
[INFO] [stdout] 121 |       static ref shift_re: Regex = Regex::new(r"^Guard #(\d+) begins shift$").unwrap();
[INFO] [stdout]     |                  ^^^^^^^^ help: convert the identifier to upper case: `SHIFT_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `line_re` should have an upper case name
[INFO] [stdout]   --> src/puzzles/d7.rs:93:18
[INFO] [stdout]    |
[INFO] [stdout] 93 |       static ref line_re: Regex =
[INFO] [stdout]    |                  ^^^^^^^ help: convert the identifier to upper case: `LINE_RE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "c5a46244a7ce71b02e8f148dd960a16d6825137db769786a0347dd53ae24bcf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a46244a7ce71b02e8f148dd960a16d6825137db769786a0347dd53ae24bcf3", kill_on_drop: false }`
[INFO] [stdout] c5a46244a7ce71b02e8f148dd960a16d6825137db769786a0347dd53ae24bcf3
