[INFO] cloning repository https://github.com/siku2/AoC2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/siku2/AoC2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiku2%2FAoC2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiku2%2FAoC2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ebe191873dc177df07e804d93d761e81d3c82850
[INFO] testing siku2/AoC2018 against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsiku2%2FAoC2018" "/workspace/builds/worker-59/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-59/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/siku2/AoC2018 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/siku2/AoC2018
[INFO] finished tweaking git repo https://github.com/siku2/AoC2018
[INFO] tweaked toml for git repo https://github.com/siku2/AoC2018 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate git repo https://github.com/siku2/AoC2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b159519ee5e8017c16a85d31b621d24c7f893f1d411c30d4925a94f4f671008
[INFO] running `Command { std: "docker" "start" "-a" "4b159519ee5e8017c16a85d31b621d24c7f893f1d411c30d4925a94f4f671008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b159519ee5e8017c16a85d31b621d24c7f893f1d411c30d4925a94f4f671008", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b159519ee5e8017c16a85d31b621d24c7f893f1d411c30d4925a94f4f671008", kill_on_drop: false }`
[INFO] [stdout] 4b159519ee5e8017c16a85d31b621d24c7f893f1d411c30d4925a94f4f671008
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5e340b7af49e4e28a9a1d244b4d9bf74e8268acc46cde2a5781a745e6b9f621
[INFO] running `Command { std: "docker" "start" "-a" "b5e340b7af49e4e28a9a1d244b4d9bf74e8268acc46cde2a5781a745e6b9f621", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/puzzles/day25.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day16.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     op: Box<Fn(&Register, u16, u16) -> u16>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 -     op: Box<Fn(&Register, u16, u16) -> u16>
[INFO] [stdout] 24 +     op: Box<dyn Fn(&Register, u16, u16) -> u16>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day19.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout] 20 +     op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day21.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout] 21 +     op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day3.rs:49:47
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn parse(text: &str) -> Result<Claim, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     fn parse(text: &str) -> Result<Claim, Box<Error>> {
[INFO] [stdout] 49 +     fn parse(text: &str) -> Result<Claim, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day6.rs:68:80
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<Error>> {
[INFO] [stdout]    |                                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 - fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<Error>> {
[INFO] [stdout] 68 + fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day9.rs:44:69
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<Error>> {
[INFO] [stdout]    |                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 - fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<Error>> {
[INFO] [stdout] 44 + fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day10.rs:55:50
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn parse(text: &str) -> Result<Fragment, Box<Error>> {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     fn parse(text: &str) -> Result<Fragment, Box<Error>> {
[INFO] [stdout] 55 +     fn parse(text: &str) -> Result<Fragment, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day16.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(op: Box<Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     fn new(op: Box<Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stdout] 28 +     fn new(op: Box<dyn Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day19.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 -     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout] 24 +     fn new(op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day21.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout] 25 +     fn new(op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/puzzles/day5.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut next: Box<Iterator<Item=char>>;
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     let mut next: Box<Iterator<Item=char>>;
[INFO] [stdout] 8 +     let mut next: Box<dyn Iterator<Item=char>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day19.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout] 57 +     let parse_next = |it: &mut dyn Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day21.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout] 58 +     let parse_next = |it: &mut dyn Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let reader: Box<BufRead>;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let reader: Box<BufRead>;
[INFO] [stdout] 25 +     let reader: Box<dyn BufRead>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/puzzles/day25.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let len = points.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/day16.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut op: Operation = (it.next().unwrap(), it.next().unwrap(), it.next().unwrap(), it.next().unwrap());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/day23.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut target_group = intersection_groups.par_iter_mut()
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/puzzles/day7.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     id: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/puzzles/day7.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unordered_pair_key`
[INFO] [stdout]   --> src/puzzles/day25.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn unordered_pair_key<T: PartialOrd>(key: (T, T)) -> (T, T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.11s
[INFO] running `Command { std: "docker" "inspect" "b5e340b7af49e4e28a9a1d244b4d9bf74e8268acc46cde2a5781a745e6b9f621", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e340b7af49e4e28a9a1d244b4d9bf74e8268acc46cde2a5781a745e6b9f621", kill_on_drop: false }`
[INFO] [stdout] b5e340b7af49e4e28a9a1d244b4d9bf74e8268acc46cde2a5781a745e6b9f621
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9cd635a9a897856329dc6365385e30c8b77b705404a6461d1d2b677ab6f1ab6
[INFO] running `Command { std: "docker" "start" "-a" "b9cd635a9a897856329dc6365385e30c8b77b705404a6461d1d2b677ab6f1ab6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent_of_code_2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter::FromIterator`
[INFO] [stdout]  --> src/puzzles/day25.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::iter::FromIterator;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day16.rs:24:13
[INFO] [stdout]    |
[INFO] [stdout] 24 |     op: Box<Fn(&Register, u16, u16) -> u16>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 -     op: Box<Fn(&Register, u16, u16) -> u16>
[INFO] [stdout] 24 +     op: Box<dyn Fn(&Register, u16, u16) -> u16>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day19.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 -     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout] 20 +     op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day21.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 21 -     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout] 21 +     op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day3.rs:49:47
[INFO] [stdout]    |
[INFO] [stdout] 49 |     fn parse(text: &str) -> Result<Claim, Box<Error>> {
[INFO] [stdout]    |                                               ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 49 -     fn parse(text: &str) -> Result<Claim, Box<Error>> {
[INFO] [stdout] 49 +     fn parse(text: &str) -> Result<Claim, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day6.rs:68:80
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<Error>> {
[INFO] [stdout]    |                                                                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 68 - fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<Error>> {
[INFO] [stdout] 68 + fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day9.rs:44:69
[INFO] [stdout]    |
[INFO] [stdout] 44 | fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<Error>> {
[INFO] [stdout]    |                                                                     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 - fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<Error>> {
[INFO] [stdout] 44 + fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day10.rs:55:50
[INFO] [stdout]    |
[INFO] [stdout] 55 |     fn parse(text: &str) -> Result<Fragment, Box<Error>> {
[INFO] [stdout]    |                                                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 -     fn parse(text: &str) -> Result<Fragment, Box<Error>> {
[INFO] [stdout] 55 +     fn parse(text: &str) -> Result<Fragment, Box<dyn Error>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day16.rs:28:20
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn new(op: Box<Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     fn new(op: Box<Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stdout] 28 +     fn new(op: Box<dyn Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day19.rs:24:20
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 24 -     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout] 24 +     fn new(op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day21.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout] 25 +     fn new(op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/puzzles/day5.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut next: Box<Iterator<Item=char>>;
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]   |
[INFO] [stdout] 8 -     let mut next: Box<Iterator<Item=char>>;
[INFO] [stdout] 8 +     let mut next: Box<dyn Iterator<Item=char>>;
[INFO] [stdout]   | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day19.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 57 -     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout] 57 +     let parse_next = |it: &mut dyn Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/puzzles/day21.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 -     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout] 58 +     let parse_next = |it: &mut dyn Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:25:21
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let reader: Box<BufRead>;
[INFO] [stdout]    |                     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 -     let reader: Box<BufRead>;
[INFO] [stdout] 25 +     let reader: Box<dyn BufRead>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `len`
[INFO] [stdout]   --> src/puzzles/day25.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 62 |     let len = points.len();
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/puzzles/day16.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let mut op: Operation = (it.next().unwrap(), it.next().unwrap(), it.next().unwrap(), it.next().unwrap());
[INFO] [stdout]    |             ----^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/puzzles/day23.rs:132:17
[INFO] [stdout]     |
[INFO] [stdout] 132 |             let mut target_group = intersection_groups.par_iter_mut()
[INFO] [stdout]     |                 ----^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]   --> src/puzzles/day7.rs:86:5
[INFO] [stdout]    |
[INFO] [stdout] 86 |     id: u8,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/puzzles/day7.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[derive(Debug)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `unordered_pair_key`
[INFO] [stdout]   --> src/puzzles/day25.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn unordered_pair_key<T: PartialOrd>(key: (T, T)) -> (T, T) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.82s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code_2018-3b6d4cb3078fa1ae)
[INFO] running `Command { std: "docker" "inspect" "b9cd635a9a897856329dc6365385e30c8b77b705404a6461d1d2b677ab6f1ab6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9cd635a9a897856329dc6365385e30c8b77b705404a6461d1d2b677ab6f1ab6", kill_on_drop: false }`
[INFO] [stdout] b9cd635a9a897856329dc6365385e30c8b77b705404a6461d1d2b677ab6f1ab6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2cc3928358c870f6c7d0ca38e77207aa26055dc79d22e7b5eadb0af1234e0057
[INFO] running `Command { std: "docker" "start" "-a" "2cc3928358c870f6c7d0ca38e77207aa26055dc79d22e7b5eadb0af1234e0057", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]  --> src/puzzles/day25.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::iter::FromIterator;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day16.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |     op: Box<Fn(&Register, u16, u16) -> u16>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 -     op: Box<Fn(&Register, u16, u16) -> u16>
[INFO] [stderr] 24 +     op: Box<dyn Fn(&Register, u16, u16) -> u16>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day19.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 20 -     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stderr] 20 +     op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day21.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 21 -     op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stderr] 21 +     op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day3.rs:49:47
[INFO] [stderr]    |
[INFO] [stderr] 49 |     fn parse(text: &str) -> Result<Claim, Box<Error>> {
[INFO] [stderr]    |                                               ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 49 -     fn parse(text: &str) -> Result<Claim, Box<Error>> {
[INFO] [stderr] 49 +     fn parse(text: &str) -> Result<Claim, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day6.rs:68:80
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 68 - fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<Error>> {
[INFO] [stderr] 68 + fn find_bounding_box(coordinates: &Vec<AreaOrigin>) -> Result<BoundingBox, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day9.rs:44:69
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<Error>> {
[INFO] [stderr]    |                                                                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 - fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<Error>> {
[INFO] [stderr] 44 + fn get_input_params<T: BufRead>(input: T) -> Result<(u32, u32), Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day10.rs:55:50
[INFO] [stderr]    |
[INFO] [stderr] 55 |     fn parse(text: &str) -> Result<Fragment, Box<Error>> {
[INFO] [stderr]    |                                                  ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 55 -     fn parse(text: &str) -> Result<Fragment, Box<Error>> {
[INFO] [stderr] 55 +     fn parse(text: &str) -> Result<Fragment, Box<dyn Error>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day16.rs:28:20
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(op: Box<Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 -     fn new(op: Box<Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stderr] 28 +     fn new(op: Box<dyn Fn(&Register, u16, u16) -> u16>) -> Op {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day19.rs:24:20
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 24 -     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stderr] 24 +     fn new(op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day21.rs:25:20
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stderr]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     fn new(op: Box<Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stderr] 25 +     fn new(op: Box<dyn Fn(&Registry, RegisterType, RegisterType) -> RegisterType>) -> Op {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/puzzles/day5.rs:8:23
[INFO] [stderr]   |
[INFO] [stderr] 8 |     let mut next: Box<Iterator<Item=char>>;
[INFO] [stderr]   |                       ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]   = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]   |
[INFO] [stderr] 8 -     let mut next: Box<Iterator<Item=char>>;
[INFO] [stderr] 8 +     let mut next: Box<dyn Iterator<Item=char>>;
[INFO] [stderr]   | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day19.rs:57:32
[INFO] [stderr]    |
[INFO] [stderr] 57 |     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 57 -     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stderr] 57 +     let parse_next = |it: &mut dyn Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/puzzles/day21.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 58 -     let parse_next = |it: &mut Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stderr] 58 +     let parse_next = |it: &mut dyn Iterator<Item=&str>| it.next().unwrap().parse().unwrap();
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:25:21
[INFO] [stderr]    |
[INFO] [stderr] 25 |     let reader: Box<BufRead>;
[INFO] [stderr]    |                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 25 -     let reader: Box<BufRead>;
[INFO] [stderr] 25 +     let reader: Box<dyn BufRead>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `len`
[INFO] [stderr]   --> src/puzzles/day25.rs:62:9
[INFO] [stderr]    |
[INFO] [stderr] 62 |     let len = points.len();
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_len`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/puzzles/day16.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |         let mut op: Operation = (it.next().unwrap(), it.next().unwrap(), it.next().unwrap(), it.next().unwrap());
[INFO] [stderr]    |             ----^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/puzzles/day23.rs:132:17
[INFO] [stderr]     |
[INFO] [stderr] 132 |             let mut target_group = intersection_groups.par_iter_mut()
[INFO] [stderr]     |                 ----^^^^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]   --> src/puzzles/day7.rs:86:5
[INFO] [stderr]    |
[INFO] [stderr] 86 |     id: u8,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/puzzles/day7.rs:84:10
[INFO] [stderr]    |
[INFO] [stderr] 84 | #[derive(Debug)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `unordered_pair_key`
[INFO] [stderr]   --> src/puzzles/day25.rs:50:4
[INFO] [stderr]    |
[INFO] [stderr] 50 | fn unordered_pair_key<T: PartialOrd>(key: (T, T)) -> (T, T) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `advent_of_code_2018` (bin "advent_of_code_2018" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/advent_of_code_2018-3b6d4cb3078fa1ae)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2cc3928358c870f6c7d0ca38e77207aa26055dc79d22e7b5eadb0af1234e0057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cc3928358c870f6c7d0ca38e77207aa26055dc79d22e7b5eadb0af1234e0057", kill_on_drop: false }`
[INFO] [stdout] 2cc3928358c870f6c7d0ca38e77207aa26055dc79d22e7b5eadb0af1234e0057