[INFO] cloning repository https://github.com/dewaka/aoc2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dewaka/aoc2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Faoc2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Faoc2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17e6025d9134c653b79cb70d3d3ae894463584d2
[INFO] fixing dewaka/aoc2018 against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdewaka%2Faoc2018" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dewaka/aoc2018
[INFO] finished tweaking git repo https://github.com/dewaka/aoc2018
[INFO] tweaked toml for git repo https://github.com/dewaka/aoc2018 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dewaka/aoc2018 on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dewaka/aoc2018 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `aoc2018` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74
[INFO] running `Command { std: "docker" "start" "7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr] warning: Cargo.toml: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: `aoc2018` (manifest) generated 1 warning
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2015 edition to 2018
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.46s
[INFO] [stderr] crater-edition-check: aoc2018 v0.1.0 (/opt/rustwide/workdir) updating edition from 2015 to 2018
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day7.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day9.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/day9.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/day9.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day3.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]    |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day6.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut dyn Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day7.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day8.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut dyn Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day7.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day9.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/day9.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/day9.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day3.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]    |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day6.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut dyn Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day7.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day8.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut dyn Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/day7.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |         if let Some((t, x)) = m {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ----^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tasks`
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `workers`
[INFO] [stdout]    --> src/day7.rs:170:48
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_workers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_time`
[INFO] [stdout]    --> src/day7.rs:170:64
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day9.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn day9(input: &str) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `add_change_from_str` and `add_changes_from_str` are never used
[INFO] [stdout]   --> src/day1.rs:24:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl Frequency {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     fn add_change_from_str(self, cstr: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     fn add_changes_from_str(self, cstrs: &[&str]) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from` is never used
[INFO] [stdout]   --> src/day3.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | impl Sheet {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 19 |     fn from(pos: (i32, i32), dim: (i32, i32)) -> Sheet {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/day7.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Dependency {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 29 |     fn new(task: TaskName, depends_on: TaskName) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `completable_tasks_excluding` are never used
[INFO] [stdout]    --> src/day7.rs:63:8
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl TaskMap {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn completable_tasks_excluding(&self, exluding: &HashSet<TaskName>) -> Vec<TaskName> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_work` is never used
[INFO] [stdout]    --> src/day7.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn start_work(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `task_time` is never used
[INFO] [stdout]    --> src/day7.rs:191:4
[INFO] [stdout]     |
[INFO] [stdout] 191 | fn task_time(t: TaskName) -> Option<i32> {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/day7.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |         if let Some((t, x)) = m {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ----^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tasks`
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `workers`
[INFO] [stdout]    --> src/day7.rs:170:48
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_workers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_time`
[INFO] [stdout]    --> src/day7.rs:170:64
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day9.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn day9(input: &str) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_empty` and `completable_tasks_excluding` are never used
[INFO] [stdout]    --> src/day7.rs:63:8
[INFO] [stdout]     |
[INFO] [stdout]  56 | impl TaskMap {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  63 |     fn is_empty(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn completable_tasks_excluding(&self, exluding: &HashSet<TaskName>) -> Vec<TaskName> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `start_work` is never used
[INFO] [stdout]    --> src/day7.rs:142:4
[INFO] [stdout]     |
[INFO] [stdout] 142 | fn start_work(
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.87s
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2015 edition to 2018
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr] error: errors present after applying fixes to crate `aoc2018`
[INFO] [stderr]  --> src/day3.rs
[INFO] [stderr]  ::: src/day4.rs
[INFO] [stderr]  ::: src/day7.rs
[INFO] [stderr]   = cause: error: incorrect parentheses around trait bounds
[INFO] [stderr]             --> src/day3.rs:8:51
[INFO] [stderr]              |
[INFO] [stderr]            8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |                                                   ^                                 ^
[INFO] [stderr]              |
[INFO] [stderr]            help: fix the parentheses
[INFO] [stderr]              |
[INFO] [stderr]            8 - type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]            8 + type Result<T> = ::std::result::Result<T, Box<(dyn ::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: incorrect parentheses around trait bounds
[INFO] [stderr]              --> src/day4.rs:11:51
[INFO] [stderr]               |
[INFO] [stderr]            11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]               |                                                   ^                                 ^
[INFO] [stderr]               |
[INFO] [stderr]            help: fix the parentheses
[INFO] [stderr]               |
[INFO] [stderr]            11 - type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]            11 + type Result<T> = ::std::result::Result<T, Box<(dyn ::std::error::Error + Send + Sync)>>;
[INFO] [stderr]               |
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: incorrect parentheses around trait bounds
[INFO] [stderr]             --> src/day7.rs:7:51
[INFO] [stderr]              |
[INFO] [stderr]            7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |                                                   ^                                 ^
[INFO] [stderr]              |
[INFO] [stderr]            help: fix the parentheses
[INFO] [stderr]              |
[INFO] [stderr]            7 - type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]            7 + type Result<T> = ::std::result::Result<T, Box<(dyn ::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 3 previous errors
[INFO] [stderr] help: to report this as a bug, open an issue at https://github.com/rust-lang/rust/issues, quoting the full output of this command
[INFO] [stderr] help: to possibly apply more fixes, pass in the `--broken-code` flag
[INFO] [stderr] note: original diagnostics will follow:
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day3.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]    |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day6.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut dyn Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day7.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day8.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut dyn Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: errors present after applying fixes to crate `aoc2018`
[INFO] [stderr]  --> src/day3.rs
[INFO] [stderr]  ::: src/day4.rs
[INFO] [stderr]  ::: src/day7.rs
[INFO] [stderr]   = cause: error: incorrect parentheses around trait bounds
[INFO] [stderr]             --> src/day3.rs:8:51
[INFO] [stderr]              |
[INFO] [stderr]            8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |                                                   ^                                 ^
[INFO] [stderr]              |
[INFO] [stderr]            help: fix the parentheses
[INFO] [stderr]              |
[INFO] [stderr]            8 - type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]            8 + type Result<T> = ::std::result::Result<T, Box<(dyn ::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: incorrect parentheses around trait bounds
[INFO] [stderr]              --> src/day4.rs:11:51
[INFO] [stderr]               |
[INFO] [stderr]            11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]               |                                                   ^                                 ^
[INFO] [stderr]               |
[INFO] [stderr]            help: fix the parentheses
[INFO] [stderr]               |
[INFO] [stderr]            11 - type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]            11 + type Result<T> = ::std::result::Result<T, Box<(dyn ::std::error::Error + Send + Sync)>>;
[INFO] [stderr]               |
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: incorrect parentheses around trait bounds
[INFO] [stderr]             --> src/day7.rs:7:51
[INFO] [stderr]              |
[INFO] [stderr]            7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |                                                   ^                                 ^
[INFO] [stderr]              |
[INFO] [stderr]            help: fix the parentheses
[INFO] [stderr]              |
[INFO] [stderr]            7 - type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stderr]            7 + type Result<T> = ::std::result::Result<T, Box<(dyn ::std::error::Error + Send + Sync)>>;
[INFO] [stderr]              |
[INFO] [stderr]            
[INFO] [stderr]            
[INFO] [stderr]            error: aborting due to 3 previous errors
[INFO] [stderr] help: to report this as a bug, open an issue at https://github.com/rust-lang/rust/issues, quoting the full output of this command
[INFO] [stderr] help: to possibly apply more fixes, pass in the `--broken-code` flag
[INFO] [stderr] note: original diagnostics will follow:
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.02s
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day3.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]   = note: `--force-warn bare-trait-objects` implied by `--force-warn rust-2021-compatibility`
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day4.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]    |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day6.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut dyn Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/day7.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/day8.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[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/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut dyn Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] crater-edition-check: aoc2018 v0.1.0 (/opt/rustwide/workdir) updating edition from 2018 to 2021
[INFO] [stderr]     Checking aoc2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day7.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day9.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/day9.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/day9.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BinaryHeap`
[INFO] [stdout]  --> src/day7.rs:2:24
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::{BinaryHeap, HashMap, HashSet};
[INFO] [stdout]   |                        ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/day9.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/day9.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::prelude::*`
[INFO] [stdout]  --> src/day9.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::io::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]  --> src/day3.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/day4.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]    |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]  --> src/day3.rs:8:47
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]   |
[INFO] [stdout] 8 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/day6.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use a new generic type parameter, constrained by `Iterator<Item = T>`
[INFO] [stdout]    |
[INFO] [stdout] 21 - fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout] 21 + fn unique_extreme_by_iter<T, F, U: Iterator<Item = T>>(stuff: &mut U, compare: F) -> Option<T>
[INFO] [stdout]    |
[INFO] [stdout] help: you can also use an opaque type, but users won't be able to specify the type parameter when calling the `fn`, having to rely exclusively on type inference
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut impl Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] help: alternatively, use a trait object to accept any type that implements `Iterator<Item = T>`, accessing its methods at runtime using dynamic dispatch
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut dyn Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]  --> src/day7.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/day8.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use a new generic type parameter, constrained by `Iterator<Item = &i32>`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[INFO] [stdout] 20 +     fn get_node<T: Iterator<Item = &i32>>(values: &mut T) -> Self {
[INFO] [stdout]    |
[INFO] [stdout] help: you can also use an opaque type, but users won't be able to specify the type parameter when calling the `fn`, having to rely exclusively on type inference
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut impl Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] help: alternatively, use a trait object to accept any type that implements `Iterator<Item = &i32>`, accessing its methods at runtime using dynamic dispatch
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut dyn Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/day4.rs:11:47
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[INFO] [stdout]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]    |
[INFO] [stdout] 11 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]    |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/day6.rs:21:45
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use a new generic type parameter, constrained by `Iterator<Item = T>`
[INFO] [stdout]    |
[INFO] [stdout] 21 - fn unique_extreme_by_iter<T, F>(stuff: &mut Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout] 21 + fn unique_extreme_by_iter<T, F, U: Iterator<Item = T>>(stuff: &mut U, compare: F) -> Option<T>
[INFO] [stdout]    |
[INFO] [stdout] help: you can also use an opaque type, but users won't be able to specify the type parameter when calling the `fn`, having to rely exclusively on type inference
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut impl Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             ++++
[INFO] [stdout] help: alternatively, use a trait object to accept any type that implements `Iterator<Item = T>`, accessing its methods at runtime using dynamic dispatch
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn unique_extreme_by_iter<T, F>(stuff: &mut dyn Iterator<Item = T>, compare: F) -> Option<T>
[INFO] [stdout]    |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]  --> src/day7.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<::std::error::Error + Send + Sync>>;
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: you can add the `dyn` keyword if you want a trait object
[INFO] [stdout]   |
[INFO] [stdout] 7 | type Result<T> = ::std::result::Result<T, Box<dyn (::std::error::Error + Send + Sync)>>;
[INFO] [stdout]   |                                               +++++                                 +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0782]: expected a type, found a trait
[INFO] [stdout]   --> src/day8.rs:20:30
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: use a new generic type parameter, constrained by `Iterator<Item = &i32>`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     fn get_node(values: &mut Iterator<Item = &i32>) -> Self {
[INFO] [stdout] 20 +     fn get_node<T: Iterator<Item = &i32>>(values: &mut T) -> Self {
[INFO] [stdout]    |
[INFO] [stdout] help: you can also use an opaque type, but users won't be able to specify the type parameter when calling the `fn`, having to rely exclusively on type inference
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut impl Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              ++++
[INFO] [stdout] help: alternatively, use a trait object to accept any type that implements `Iterator<Item = &i32>`, accessing its methods at runtime using dynamic dispatch
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn get_node(values: &mut dyn Iterator<Item = &i32>) -> Self {
[INFO] [stdout]    |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/day7.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |         if let Some((t, x)) = m {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ----^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tasks`
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `workers`
[INFO] [stdout]    --> src/day7.rs:170:48
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_workers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_time`
[INFO] [stdout]    --> src/day7.rs:170:64
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day9.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn day9(input: &str) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2018` (bin "aoc2018") due to 5 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]    --> src/day7.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |         if let Some((t, x)) = m {
[INFO] [stdout]     |                      ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ----^^^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tasks`
[INFO] [stdout]    --> src/day7.rs:170:28
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_tasks`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `workers`
[INFO] [stdout]    --> src/day7.rs:170:48
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_workers`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `work_time`
[INFO] [stdout]    --> src/day7.rs:170:64
[INFO] [stdout]     |
[INFO] [stdout] 170 | fn process_tasks_parrallel(mut tasks: TaskMap, workers: usize, work_time: i32) -> i32 {
[INFO] [stdout]     |                                                                ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_work_time`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> src/day9.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn day9(input: &str) {
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0782`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `aoc2018` (bin "aoc2018" test) due to 5 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74", kill_on_drop: false }`
[INFO] [stdout] 7b562902745c9ae078a1a8a1ce329744e60e8d3992f6d1a99926d0167f9bfa74
