[INFO] cloning repository https://github.com/migerh/aoc2018-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/migerh/aoc2018-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigerh%2Faoc2018-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigerh%2Faoc2018-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 566d81609c521a1a5658005f490fde85a9d5bda3
[INFO] checking migerh/aoc2018-rs against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigerh%2Faoc2018-rs" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/migerh/aoc2018-rs 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/migerh/aoc2018-rs
[INFO] finished tweaking git repo https://github.com/migerh/aoc2018-rs
[INFO] tweaked toml for git repo https://github.com/migerh/aoc2018-rs written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/migerh/aoc2018-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.1.1
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.9
[INFO] [stderr]   Downloaded regex-syntax v0.6.4
[INFO] [stderr]   Downloaded regex v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] d094cbe2e75e7fc364da5462de12714bdb5ae8c40afc1e879b3812f89e2f8f04
[INFO] running `Command { std: "docker" "start" "-a" "d094cbe2e75e7fc364da5462de12714bdb5ae8c40afc1e879b3812f89e2f8f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d094cbe2e75e7fc364da5462de12714bdb5ae8c40afc1e879b3812f89e2f8f04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d094cbe2e75e7fc364da5462de12714bdb5ae8c40afc1e879b3812f89e2f8f04", kill_on_drop: false }`
[INFO] [stdout] d094cbe2e75e7fc364da5462de12714bdb5ae8c40afc1e879b3812f89e2f8f04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] ae4db7d40be791cef0d6381555ce9d06088855ec38c4ed59521ef6ee19d52f98
[INFO] running `Command { std: "docker" "start" "-a" "ae4db7d40be791cef0d6381555ce9d06088855ec38c4ed59521ef6ee19d52f98", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking y2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day2/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day6/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day8/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/day14/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day2/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day6/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day8/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/day14/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day16/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day19/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day16/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day19/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/mod.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/mod.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day21/ops.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn apply_rr<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn apply_ri<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn apply_ii<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn apply_ir<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn apply_rr<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn apply_ri<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn apply_ii<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn apply_ir<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tick` is never read
[INFO] [stdout]   --> src/day15/unit.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Unit {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub tick: u64,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Unit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tick` is never read
[INFO] [stdout]   --> src/day15/unit.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Unit {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub tick: u64,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Unit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REFallsAsleep` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |       static ref REFallsAsleep: Regex = Regex::new(r"falls asleep").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REFALLS_ASLEEP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REFallsAsleep` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |       static ref REFallsAsleep: Regex = Regex::new(r"falls asleep").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REFALLS_ASLEEP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REWakesUp` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |       static ref REWakesUp: Regex = Regex::new(r"wakes up").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^ help: convert the identifier to upper case: `REWAKES_UP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REWakesUp` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |       static ref REWakesUp: Regex = Regex::new(r"wakes up").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^ help: convert the identifier to upper case: `REWAKES_UP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REStarts` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |       static ref REStarts: Regex = Regex::new(r"Guard \#(\d+) begins shift").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `RESTARTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REStarts` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |       static ref REStarts: Regex = Regex::new(r"Guard \#(\d+) begins shift").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `RESTARTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REEdge` should have an upper case name
[INFO] [stdout]   --> src/day7/common.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |       static ref REEdge: Regex = Regex::new(r"Step (.) must be finished before step (.) can begin\.").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `REEDGE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REEdge` should have an upper case name
[INFO] [stdout]   --> src/day7/common.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |       static ref REEdge: Regex = Regex::new(r"Step (.) must be finished before step (.) can begin\.").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `REEDGE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_state` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     static ref RE_state: Regex = Regex::new(r"\[(\d+), (\d+), (\d+), (\d+)\]").unwrap();
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_STATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_state` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     static ref RE_state: Regex = Regex::new(r"\[(\d+), (\d+), (\d+), (\d+)\]").unwrap();
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_STATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_instruction: Regex = Regex::new(r"(\d+) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_before` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     static ref RE_before: Regex = Regex::new(r"Before:").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_BEFORE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_x` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     static ref RE_x: Regex = Regex::new(r"x=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_y` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     static ref RE_y: Regex = Regex::new(r"y=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_Y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_bot` should have an upper case name
[INFO] [stdout]   --> src/day23/mod.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |       static ref RE_bot: Regex = Regex::new(r"pos=<(-?\d+),(-?\d+),(-?\d+)>, r=(\d+)").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `RE_BOT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_weak` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_weak: Regex = Regex::new(r"weak to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `RE_WEAK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_immune` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     static ref RE_immune: Regex = Regex::new(r"immune to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_IMMUNE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     static ref RE_group: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (\(.*\))? with an attack that does (\d+) (\w+) damag...
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group_nospecial` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     static ref RE_group_nospecial: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (with) an attack that does (\d+) (\w+) dam...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP_NOSPECIAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_instruction: Regex = Regex::new(r"(\d+) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_before` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     static ref RE_before: Regex = Regex::new(r"Before:").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_BEFORE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_x` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     static ref RE_x: Regex = Regex::new(r"x=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_y` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     static ref RE_y: Regex = Regex::new(r"y=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_Y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_bot` should have an upper case name
[INFO] [stdout]   --> src/day23/mod.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |       static ref RE_bot: Regex = Regex::new(r"pos=<(-?\d+),(-?\d+),(-?\d+)>, r=(\d+)").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `RE_BOT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_weak` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_weak: Regex = Regex::new(r"weak to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `RE_WEAK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_immune` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     static ref RE_immune: Regex = Regex::new(r"immune to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_IMMUNE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     static ref RE_group: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (\(.*\))? with an attack that does (\d+) (\w+) damag...
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group_nospecial` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     static ref RE_group_nospecial: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (with) an attack that does (\d+) (\w+) dam...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP_NOSPECIAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.67s
[INFO] running `Command { std: "docker" "inspect" "ae4db7d40be791cef0d6381555ce9d06088855ec38c4ed59521ef6ee19d52f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae4db7d40be791cef0d6381555ce9d06088855ec38c4ed59521ef6ee19d52f98", kill_on_drop: false }`
[INFO] [stdout] ae4db7d40be791cef0d6381555ce9d06088855ec38c4ed59521ef6ee19d52f98
[INFO] checking migerh/aoc2018-rs against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmigerh%2Faoc2018-rs" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/migerh/aoc2018-rs on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/migerh/aoc2018-rs
[INFO] finished tweaking git repo https://github.com/migerh/aoc2018-rs
[INFO] tweaked toml for git repo https://github.com/migerh/aoc2018-rs written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/migerh/aoc2018-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e654648f19e1776370d9f20b87f6374d71f6c93d21bfc153e381f19f1b67436f
[INFO] running `Command { std: "docker" "start" "-a" "e654648f19e1776370d9f20b87f6374d71f6c93d21bfc153e381f19f1b67436f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e654648f19e1776370d9f20b87f6374d71f6c93d21bfc153e381f19f1b67436f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e654648f19e1776370d9f20b87f6374d71f6c93d21bfc153e381f19f1b67436f", kill_on_drop: false }`
[INFO] [stdout] e654648f19e1776370d9f20b87f6374d71f6c93d21bfc153e381f19f1b67436f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b4a42ef52f9df819055123e7bb508e69de028a2710f7a759f027be83f56610
[INFO] running `Command { std: "docker" "start" "-a" "d3b4a42ef52f9df819055123e7bb508e69de028a2710f7a759f027be83f56610", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking y2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day2/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day6/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day8/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/day14/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day2/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Option` is imported redundantly
[INFO] [stdout]  --> src/day6/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::option::Option;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Option` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Iterator` is imported redundantly
[INFO] [stdout]  --> src/day8/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::iter::Iterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Vec` is imported redundantly
[INFO] [stdout]  --> src/day14/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::vec::Vec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Vec` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day16/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day19/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/mod.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day16/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i32, i32, i32) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day19/ops.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn op_map() -> BTreeMap<&'static str, &'static dyn Fn(State, i128, i128, i128) -> Option<State>> {
[INFO] [stdout]   |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/utils/mod.rs:66:30
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&std::error::Error> {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) 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] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 66 |   fn cause(&self) -> Option<&dyn std::error::Error> {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day21/ops.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn apply_rr<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn apply_ri<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn apply_ii<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn apply_ir<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tick` is never read
[INFO] [stdout]   --> src/day15/unit.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Unit {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub tick: u64,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Unit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REFallsAsleep` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |       static ref REFallsAsleep: Regex = Regex::new(r"falls asleep").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REFALLS_ASLEEP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REWakesUp` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |       static ref REWakesUp: Regex = Regex::new(r"wakes up").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^ help: convert the identifier to upper case: `REWAKES_UP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REStarts` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |       static ref REStarts: Regex = Regex::new(r"Guard \#(\d+) begins shift").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `RESTARTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REEdge` should have an upper case name
[INFO] [stdout]   --> src/day7/common.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |       static ref REEdge: Regex = Regex::new(r"Step (.) must be finished before step (.) can begin\.").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `REEDGE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day21/ops.rs:87:16
[INFO] [stdout]    |
[INFO] [stdout] 87 | fn apply_rr<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn apply_ri<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:101:16
[INFO] [stdout]     |
[INFO] [stdout] 101 | fn apply_ii<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[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/day21/ops.rs:108:16
[INFO] [stdout]     |
[INFO] [stdout] 108 | fn apply_ir<F>(mut state: &mut State, a: i128, b: i128, c: i128, f: F)
[INFO] [stdout]     |                ----^^^^^
[INFO] [stdout]     |                |
[INFO] [stdout]     |                help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_state` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     static ref RE_state: Regex = Regex::new(r"\[(\d+), (\d+), (\d+), (\d+)\]").unwrap();
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_STATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_instruction: Regex = Regex::new(r"(\d+) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_before` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     static ref RE_before: Regex = Regex::new(r"Before:").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_BEFORE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_x` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     static ref RE_x: Regex = Regex::new(r"x=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_y` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     static ref RE_y: Regex = Regex::new(r"y=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_Y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_bot` should have an upper case name
[INFO] [stdout]   --> src/day23/mod.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |       static ref RE_bot: Regex = Regex::new(r"pos=<(-?\d+),(-?\d+),(-?\d+)>, r=(\d+)").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `RE_BOT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_weak` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_weak: Regex = Regex::new(r"weak to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `RE_WEAK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_immune` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     static ref RE_immune: Regex = Regex::new(r"immune to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_IMMUNE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     static ref RE_group: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (\(.*\))? with an attack that does (\d+) (\w+) damag...
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group_nospecial` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     static ref RE_group_nospecial: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (with) an attack that does (\d+) (\w+) dam...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP_NOSPECIAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tick` is never read
[INFO] [stdout]   --> src/day15/unit.rs:25:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct Unit {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |   pub tick: u64,
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Unit` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REFallsAsleep` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:34:18
[INFO] [stdout]    |
[INFO] [stdout] 34 |       static ref REFallsAsleep: Regex = Regex::new(r"falls asleep").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^^^^^ help: convert the identifier to upper case: `REFALLS_ASLEEP`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REWakesUp` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:35:18
[INFO] [stdout]    |
[INFO] [stdout] 35 |       static ref REWakesUp: Regex = Regex::new(r"wakes up").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^^ help: convert the identifier to upper case: `REWAKES_UP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REStarts` should have an upper case name
[INFO] [stdout]   --> src/day4/mod.rs:36:18
[INFO] [stdout]    |
[INFO] [stdout] 36 |       static ref REStarts: Regex = Regex::new(r"Guard \#(\d+) begins shift").unwrap();
[INFO] [stdout]    |                  ^^^^^^^^ help: convert the identifier to upper case: `RESTARTS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `REEdge` should have an upper case name
[INFO] [stdout]   --> src/day7/common.rs:16:18
[INFO] [stdout]    |
[INFO] [stdout] 16 |       static ref REEdge: Regex = Regex::new(r"Step (.) must be finished before step (.) can begin\.").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `REEDGE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_state` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     static ref RE_state: Regex = Regex::new(r"\[(\d+), (\d+), (\d+), (\d+)\]").unwrap();
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_STATE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_instruction: Regex = Regex::new(r"(\d+) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_before` should have an upper case name
[INFO] [stdout]   --> src/day16/problems.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     static ref RE_before: Regex = Regex::new(r"Before:").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_BEFORE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_x` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     static ref RE_x: Regex = Regex::new(r"x=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_X`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_y` should have an upper case name
[INFO] [stdout]   --> src/day17/mod.rs:65:16
[INFO] [stdout]    |
[INFO] [stdout] 65 |     static ref RE_y: Regex = Regex::new(r"y=(\d+)(\.\.)?(\d+)?").unwrap();
[INFO] [stdout]    |                ^^^^ help: convert the identifier to upper case (notice the capitalization): `RE_Y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:16:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day19/problems.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_ip` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static ref RE_ip: Regex = Regex::new(r"#ip (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^ help: convert the identifier to upper case: `RE_IP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_instruction` should have an upper case name
[INFO] [stdout]   --> src/day21/problems.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |     static ref RE_instruction: Regex = Regex::new(r"([a-z]{4}) (\d+) (\d+) (\d+)").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_INSTRUCTION`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_bot` should have an upper case name
[INFO] [stdout]   --> src/day23/mod.rs:25:18
[INFO] [stdout]    |
[INFO] [stdout] 25 |       static ref RE_bot: Regex = Regex::new(r"pos=<(-?\d+),(-?\d+),(-?\d+)>, r=(\d+)").unwrap();
[INFO] [stdout]    |                  ^^^^^^ help: convert the identifier to upper case: `RE_BOT`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_weak` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:39:16
[INFO] [stdout]    |
[INFO] [stdout] 39 |     static ref RE_weak: Regex = Regex::new(r"weak to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^ help: convert the identifier to upper case: `RE_WEAK`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_immune` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:47:16
[INFO] [stdout]    |
[INFO] [stdout] 47 |     static ref RE_immune: Regex = Regex::new(r"immune to (\w+),?\s?(\w+)?,?\s?(\w+)?,?\s?(\w+)?").unwrap();
[INFO] [stdout]    |                ^^^^^^^^^ help: convert the identifier to upper case: `RE_IMMUNE`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |     static ref RE_group: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (\(.*\))? with an attack that does (\d+) (\w+) damag...
[INFO] [stdout]    |                ^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `RE_group_nospecial` should have an upper case name
[INFO] [stdout]   --> src/day24/parse.rs:56:16
[INFO] [stdout]    |
[INFO] [stdout] 56 |     static ref RE_group_nospecial: Regex = Regex::new(r"(\d+) units each with (\d+) hit points (with) an attack that does (\d+) (\w+) dam...
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `RE_GROUP_NOSPECIAL`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.21s
[INFO] running `Command { std: "docker" "inspect" "d3b4a42ef52f9df819055123e7bb508e69de028a2710f7a759f027be83f56610", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b4a42ef52f9df819055123e7bb508e69de028a2710f7a759f027be83f56610", kill_on_drop: false }`
[INFO] [stdout] d3b4a42ef52f9df819055123e7bb508e69de028a2710f7a759f027be83f56610