[INFO] cloning repository https://github.com/sirkibsirkib/honeydew
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sirkibsirkib/honeydew" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fhoneydew", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fhoneydew'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 032d94a2d141be5f301ba92144d88fa77dca67c9
[INFO] checking sirkibsirkib/honeydew against master#4008bbdf34b583ce44a467043aae3703afc0a76f for pr-129249-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsirkibsirkib%2Fhoneydew" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/sirkibsirkib/honeydew
[INFO] finished tweaking git repo https://github.com/sirkibsirkib/honeydew
[INFO] tweaked toml for git repo https://github.com/sirkibsirkib/honeydew written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sirkibsirkib/honeydew on toolchain 4008bbdf34b583ce44a467043aae3703afc0a76f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sirkibsirkib/honeydew already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/sirkibsirkib/gfx_2020`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1
[INFO] running `Command { std: "docker" "start" "521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1" "/opt/rustwide/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1" "/opt/rustwide/cargo-home/bin/cargo" "+4008bbdf34b583ce44a467043aae3703afc0a76f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.89
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[INFO] [stderr]     Checking smallvec v1.6.1
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[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
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[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling syn v1.0.67
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
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[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking once_cell v1.7.2
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[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking ttf-parser v0.6.2
[INFO] [stderr]     Checking scoped-tls v1.0.0
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[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling crc32fast v1.2.1
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]     Checking adler32 v1.2.0
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[INFO] [stdout] warning: unused imports: `Vec3`, `f32::consts::PI as PI_F32`, `glam::Vec2Swizzles`, `ordered_float::OrderedFloat`, and `time::Duration`
[INFO] [stdout]   --> src/prelude.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         f32::consts::PI as PI_F32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |         ops::{Index, IndexMut, Range},
[INFO] [stdout] 18 |         time::Duration,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     },
[INFO] [stdout] 20 |     gfx_2020::{glam::Vec2Swizzles, ClearColor, Mat4, Vec2, Vec3},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^                          ^^^^
[INFO] [stdout] 21 |     ordered_float::OrderedFloat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Vec3`, `f32::consts::PI as PI_F32`, `glam::Vec2Swizzles`, `ordered_float::OrderedFloat`, and `time::Duration`
[INFO] [stdout]   --> src/prelude.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         f32::consts::PI as PI_F32,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 17 |         ops::{Index, IndexMut, Range},
[INFO] [stdout] 18 |         time::Duration,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 19 |     },
[INFO] [stdout] 20 |     gfx_2020::{glam::Vec2Swizzles, ClearColor, Mat4, Vec2, Vec3},
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^                          ^^^^
[INFO] [stdout] 21 |     ordered_float::OrderedFloat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/room.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |         std::array::IntoIter::new(match wall_dim {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/mod.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |         std::array::IntoIter::new([Self::Black, Self::Blue, Self::Orange])
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]   --> src/game/ai.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |         for sink_map in ArrIter::new([
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/room.rs:141:31
[INFO] [stdout]     |
[INFO] [stdout] 141 |         std::array::IntoIter::new(match wall_dim {
[INFO] [stdout]     |                               ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/mod.rs:156:31
[INFO] [stdout]     |
[INFO] [stdout] 156 |         std::array::IntoIter::new([Self::Black, Self::Blue, Self::Orange])
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]   --> src/game/ai.rs:76:34
[INFO] [stdout]    |
[INFO] [stdout] 76 |         for sink_map in ArrIter::new([
[INFO] [stdout]    |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/net.rs:194:49
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let peer_colors = std::array::IntoIter::new(my_color.predator_prey());
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/net.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 | ...                   ArrIter::new(choices)
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/net.rs:194:49
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let peer_colors = std::array::IntoIter::new(my_color.predator_prey());
[INFO] [stdout]     |                                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/net.rs:212:38
[INFO] [stdout]     |
[INFO] [stdout] 212 | ...                   ArrIter::new(choices)
[INFO] [stdout]     |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/mod.rs:254:41
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 let dim_iter = ArrIter::new(if rng.gen_bool() { [X, Y] } else { [Y, X] });
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/game/mod.rs:254:41
[INFO] [stdout]     |
[INFO] [stdout] 254 |                 let dim_iter = ArrIter::new(if rng.gen_bool() { [X, Y] } else { [Y, X] });
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_ts`
[INFO] [stdout]    --> src/game/net.rs:199:25
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     let server_ts = self.server_ts;
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_ts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `server_ts`
[INFO] [stdout]    --> src/game/net.rs:199:25
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     let server_ts = self.server_ts;
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_server_ts`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FullBitIndexMap` is never constructed
[INFO] [stdout]   --> src/bit_set.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct FullBitIndexMap<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_copied` is never used
[INFO] [stdout]   --> src/bit_set.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<T> FullBitIndexMap<T> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new_copied(t: T) -> Self
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `DOMAIN_SIZE` is never used
[INFO] [stdout]   --> src/bit_set.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl BitIndex {
[INFO] [stdout]    | ------------- associated constant in this implementation
[INFO] [stdout] 76 |     pub const DOMAIN_SIZE: u16 = INDICES;
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrettyPos` is never constructed
[INFO] [stdout]    --> src/game/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct PrettyPos {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PathLengthsAi` is never constructed
[INFO] [stdout]   --> src/game/ai.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct PathLengthsAi {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SinkAi` is never constructed
[INFO] [stdout]   --> src/game/ai.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SinkAi {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `coord_dist` is never used
[INFO] [stdout]   --> src/game/ai.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn coord_dist([a, b]: [Coord; 2]) -> Size {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/game/ai.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl SinkAi {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  97 |     fn coord_kernel(at: Coord, room: &Room) -> impl Iterator<Item = Coord> + '_ {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn sink_toward(at: Coord, room: &Room, map: &FullBitIndexMap<u8>) -> Coord {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn sink_away(at: Coord, room: &Room, map: &FullBitIndexMap<u8>) -> Coord {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn reduce_sink_maps(mut a: FullBitIndexMap<u8>, b: FullBitIndexMap<u8>) -> FullBitIndexMap<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn update_model_and_goal(&mut self, world: &World, rng: &mut Rng) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn update_model(&mut self, world: &World, rng: &mut Rng) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn update_goal(&mut self, world: &World) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     fn sink_map_to(world: &World, sink: Coord, avoid_teleporters: bool) -> FullBitIndexMap<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_goal` is never used
[INFO] [stdout]    --> src/game/ai.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 233 | impl PathLengthsAi {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 234 |     fn new_goal(&self, world: &World) -> Coord {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StcTimelyData` is never constructed
[INFO] [stdout]   --> src/game/net.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct StcTimelyData<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bit_set.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn iter(&self) -> BitIndexSetIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn iter(&self) -> BitIndexSetIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/net.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn recv(io: &mut Io) -> Option<Msg> {
[INFO] [stdout]     |                 ^^^^^^^            ^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn recv(io: &mut Io) -> Option<Msg<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/net.rs:179:18
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn recv_from(&mut self) -> Option<(Msg, SocketAddr)> {
[INFO] [stdout]     |                  ^^^^^^^^^             ^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn recv_from(&mut self) -> Option<(Msg<'_>, SocketAddr)> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/wrap_int.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Self(unsafe { core::mem::transmute(x) })
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 39 -         Self(unsafe { core::mem::transmute(x) })
[INFO] [stdout] 39 +         Self(unsafe { u16::cast_signed(x) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/wrap_int.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         unsafe { core::mem::transmute(self.0) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 45 -         unsafe { core::mem::transmute(self.0) }
[INFO] [stdout] 45 +         unsafe { i16::cast_unsigned(self.0) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FullBitIndexMap` is never constructed
[INFO] [stdout]   --> src/bit_set.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct FullBitIndexMap<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_copied` is never used
[INFO] [stdout]   --> src/bit_set.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl<T> FullBitIndexMap<T> {
[INFO] [stdout]    | -------------------------- associated function in this implementation
[INFO] [stdout] 32 |     pub fn new_copied(t: T) -> Self
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `DOMAIN_SIZE` is never used
[INFO] [stdout]   --> src/bit_set.rs:76:15
[INFO] [stdout]    |
[INFO] [stdout] 75 | impl BitIndex {
[INFO] [stdout]    | ------------- associated constant in this implementation
[INFO] [stdout] 76 |     pub const DOMAIN_SIZE: u16 = INDICES;
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PrettyPos` is never constructed
[INFO] [stdout]    --> src/game/mod.rs:117:8
[INFO] [stdout]     |
[INFO] [stdout] 117 | struct PrettyPos {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PathLengthsAi` is never constructed
[INFO] [stdout]   --> src/game/ai.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct PathLengthsAi {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SinkAi` is never constructed
[INFO] [stdout]   --> src/game/ai.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct SinkAi {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `coord_dist` is never used
[INFO] [stdout]   --> src/game/ai.rs:50:4
[INFO] [stdout]    |
[INFO] [stdout] 50 | fn coord_dist([a, b]: [Coord; 2]) -> Size {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/game/ai.rs:97:8
[INFO] [stdout]     |
[INFO] [stdout]  96 | impl SinkAi {
[INFO] [stdout]     | ----------- associated items in this implementation
[INFO] [stdout]  97 |     fn coord_kernel(at: Coord, room: &Room) -> impl Iterator<Item = Coord> + '_ {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn sink_toward(at: Coord, room: &Room, map: &FullBitIndexMap<u8>) -> Coord {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     fn sink_away(at: Coord, room: &Room, map: &FullBitIndexMap<u8>) -> Coord {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 108 |     fn reduce_sink_maps(mut a: FullBitIndexMap<u8>, b: FullBitIndexMap<u8>) -> FullBitIndexMap<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     fn update_model_and_goal(&mut self, world: &World, rng: &mut Rng) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |     fn update_model(&mut self, world: &World, rng: &mut Rng) {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 153 |     fn update_goal(&mut self, world: &World) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 166 |     fn sink_map_to(world: &World, sink: Coord, avoid_teleporters: bool) -> FullBitIndexMap<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `new_goal` is never used
[INFO] [stdout]    --> src/game/ai.rs:234:8
[INFO] [stdout]     |
[INFO] [stdout] 233 | impl PathLengthsAi {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] 234 |     fn new_goal(&self, world: &World) -> Coord {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `StcTimelyData` is never constructed
[INFO] [stdout]   --> src/game/net.rs:43:8
[INFO] [stdout]    |
[INFO] [stdout] 43 | struct StcTimelyData<'a> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/bit_set.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn iter(&self) -> BitIndexSetIter {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn iter(&self) -> BitIndexSetIter<'_> {
[INFO] [stdout]     |                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/net.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn recv(io: &mut Io) -> Option<Msg> {
[INFO] [stdout]     |                 ^^^^^^^            ^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn recv(io: &mut Io) -> Option<Msg<'_>> {
[INFO] [stdout]     |                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/game/net.rs:179:18
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn recv_from(&mut self) -> Option<(Msg, SocketAddr)> {
[INFO] [stdout]     |                  ^^^^^^^^^             ^^^ the same lifetime is hidden here
[INFO] [stdout]     |                  |
[INFO] [stdout]     |                  the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 179 |     fn recv_from(&mut self) -> Option<(Msg<'_>, SocketAddr)> {
[INFO] [stdout]     |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/wrap_int.rs:39:23
[INFO] [stdout]    |
[INFO] [stdout] 39 |         Self(unsafe { core::mem::transmute(x) })
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 39 -         Self(unsafe { core::mem::transmute(x) })
[INFO] [stdout] 39 +         Self(unsafe { u16::cast_signed(x) })
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/wrap_int.rs:45:18
[INFO] [stdout]    |
[INFO] [stdout] 45 |         unsafe { core::mem::transmute(self.0) }
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace this with
[INFO] [stdout]    |
[INFO] [stdout] 45 -         unsafe { core::mem::transmute(self.0) }
[INFO] [stdout] 45 +         unsafe { i16::cast_unsigned(self.0) }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v6.1.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1", kill_on_drop: false }`
[INFO] [stdout] 521abe4e9a6cb87a67d3e5fe0923bf199f6fd182052c8cd1a2c76f3a833c10f1
