[INFO] cloning repository https://github.com/nikofil/advent-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nikofil/advent-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikofil%2Fadvent-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikofil%2Fadvent-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36c27b977de71eb487f3d922df37b0da7868e123
[INFO] testing nikofil/advent-rust against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikofil%2Fadvent-rust" "/workspace/builds/worker-46/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-46/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nikofil/advent-rust on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nikofil/advent-rust
[INFO] finished tweaking git repo https://github.com/nikofil/advent-rust
[INFO] tweaked toml for git repo https://github.com/nikofil/advent-rust written to /workspace/builds/worker-46/source/Cargo.toml
[INFO] crate git repo https://github.com/nikofil/advent-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4898fbc2ff93b62636e2291cc08f74fc97536ed7bb67916f3077da0a478daaa5
[INFO] running `Command { std: "docker" "start" "-a" "4898fbc2ff93b62636e2291cc08f74fc97536ed7bb67916f3077da0a478daaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4898fbc2ff93b62636e2291cc08f74fc97536ed7bb67916f3077da0a478daaa5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4898fbc2ff93b62636e2291cc08f74fc97536ed7bb67916f3077da0a478daaa5", kill_on_drop: false }`
[INFO] [stdout] 4898fbc2ff93b62636e2291cc08f74fc97536ed7bb67916f3077da0a478daaa5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91fe84d7051db8584424261b1ada264d71e8a4e7a27b04f1009801e798bab171
[INFO] running `Command { std: "docker" "start" "-a" "91fe84d7051db8584424261b1ada264d71e8a4e7a27b04f1009801e798bab171", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling advent-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day9_2.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[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: unused import: `std::process::exit`
[INFO] [stdout]   --> src/bin/day15_2.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/bin/day15_2.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Ord for Player {
[INFO] [stdout]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Eq for Player {}
[INFO] [stdout]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:264:50
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:296:51
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stdout]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:306:50
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/bin/day15_1.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Ord for Player {
[INFO] [stdout]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Eq for Player {}
[INFO] [stdout]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:234:50
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:266:51
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stdout]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:276:50
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/day14_1.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     loop {
[INFO] [stdout] 8  | |         i += 1;
[INFO] [stdout] 9  | |         let nxt = v[x] + v[y];
[INFO] [stdout] 10 | |         if nxt >= 10 {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 21 |       println!("{}", i);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]  --> src/bin/day14_1.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut i = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day9_1.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15_1.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 f.write_str(i);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15_2.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 f.write_str(i);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.02s
[INFO] running `Command { std: "docker" "inspect" "91fe84d7051db8584424261b1ada264d71e8a4e7a27b04f1009801e798bab171", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91fe84d7051db8584424261b1ada264d71e8a4e7a27b04f1009801e798bab171", kill_on_drop: false }`
[INFO] [stdout] 91fe84d7051db8584424261b1ada264d71e8a4e7a27b04f1009801e798bab171
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-46/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c72f6cf1f3ee59560344e05ff52adf00ef46ff705eaed6779186d7f5f6fa0e9e
[INFO] running `Command { std: "docker" "start" "-a" "c72f6cf1f3ee59560344e05ff52adf00ef46ff705eaed6779186d7f5f6fa0e9e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling advent-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]   --> src/bin/day15_2.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::process::exit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/bin/day14_1.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | /     loop {
[INFO] [stdout] 8  | |         i += 1;
[INFO] [stdout] 9  | |         let nxt = v[x] + v[y];
[INFO] [stdout] 10 | |         if nxt >= 10 {
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |         }
[INFO] [stdout] 20 | |     }
[INFO] [stdout]    | |_____- any code following this expression is unreachable
[INFO] [stdout] 21 |       println!("{}", i);
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/bin/day15_2.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `i` is assigned to, but never used
[INFO] [stdout]  --> src/bin/day14_1.rs:6:13
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let mut i = 0;
[INFO] [stdout]   |             ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout]   = note: consider using `_i` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:30:28
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:31:26
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:36:29
[INFO] [stdout]    |
[INFO] [stdout] 36 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:37:35
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:42:14
[INFO] [stdout]    |
[INFO] [stdout] 42 | impl Ord for Player {
[INFO] [stdout]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Eq for Player {}
[INFO] [stdout]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_2.rs:88:28
[INFO] [stdout]    |
[INFO] [stdout] 88 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:117:28
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:264:50
[INFO] [stdout]     |
[INFO] [stdout] 264 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:296:51
[INFO] [stdout]     |
[INFO] [stdout] 296 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stdout]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_2.rs:306:50
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day9_1.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[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: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/bin/day15_1.rs:19:24
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                        ^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Player`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:19:25
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn is_enemy(&self, &Player) -> bool;
[INFO] [stdout]    |                         ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl PartialEq<Player> for Player {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn eq(&self, other: &Player) -> bool {
[INFO] [stdout]    |                          ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                 ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:35:29
[INFO] [stdout]    |
[INFO] [stdout] 35 | impl PartialOrd<Player> for Player {
[INFO] [stdout]    |                             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:36:35
[INFO] [stdout]    |
[INFO] [stdout] 36 |     fn partial_cmp(&self, other: &Player) -> Option<Ordering> {
[INFO] [stdout]    |                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:41:14
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Ord for Player {
[INFO] [stdout]    |              ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl Eq for Player {}
[INFO] [stdout]    |             ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/day15_1.rs:86:28
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]    |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:110:28
[INFO] [stdout]     |
[INFO] [stdout] 110 |     fn is_enemy(&self, o: &Player) -> bool {
[INFO] [stdout]     |                            ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:234:50
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn setatk(x: usize, y: usize, v: &Board, b: &Box<Player>) -> Option<(usize, usize, i32)> {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:266:51
[INFO] [stdout]     |
[INFO] [stdout] 266 |     fn take(&mut self, x: usize, y: usize) -> Box<Player> {
[INFO] [stdout]     |                                                   ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/day15_1.rs:276:50
[INFO] [stdout]     |
[INFO] [stdout] 276 |     fn set(&mut self, x: usize, y: usize, p: Box<Player>) {
[INFO] [stdout]     |                                                  ^^^^^^ help: use `dyn`: `dyn Player`
[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 issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day9_2.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     Ok(mut x) => x.borrow_mut().next.take(),
[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: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15_2.rs:336:17
[INFO] [stdout]     |
[INFO] [stdout] 336 |                 f.write_str(i);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/day15_1.rs:306:17
[INFO] [stdout]     |
[INFO] [stdout] 306 |                 f.write_str(i);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `advent-rust`; 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name day15_1 src/bin/day15_1.rs --error-format=json --json=diagnostic-rendered-ansi --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=1bcc889fdbe85311 -C extra-filename=-1bcc889fdbe85311 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern advent_lib=/opt/rustwide/target/debug/deps/libadvent_lib-e8d8f26305eae595.rlib --extern regex=/opt/rustwide/target/debug/deps/libregex-433d9de127dd8f9a.rlib --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c72f6cf1f3ee59560344e05ff52adf00ef46ff705eaed6779186d7f5f6fa0e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72f6cf1f3ee59560344e05ff52adf00ef46ff705eaed6779186d7f5f6fa0e9e", kill_on_drop: false }`
[INFO] [stdout] c72f6cf1f3ee59560344e05ff52adf00ef46ff705eaed6779186d7f5f6fa0e9e
