[INFO] cloning repository https://github.com/mdsteele/syzygy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mdsteele/syzygy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Fsyzygy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Fsyzygy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8eabf331ff5065880994154ae857aa787a664e0f
[INFO] checking mdsteele/syzygy against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmdsteele%2Fsyzygy" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mdsteele/syzygy
[INFO] finished tweaking git repo https://github.com/mdsteele/syzygy
[INFO] tweaked toml for git repo https://github.com/mdsteele/syzygy written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mdsteele/syzygy on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mdsteele/syzygy 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winres v0.1.12
[INFO] [stderr]   Downloaded ico v0.1.0
[INFO] [stderr]   Downloaded version-compare v0.1.0
[INFO] [stderr]   Downloaded ole32-sys v0.2.0
[INFO] [stderr]   Downloaded app_dirs v1.2.1
[INFO] [stderr]   Downloaded glob v0.2.11
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded inflate v0.3.4
[INFO] [stderr]   Downloaded png v0.11.0
[INFO] [stderr]   Downloaded shell32-sys v0.1.2
[INFO] [stderr]   Downloaded deflate v0.7.20
[INFO] [stderr]   Downloaded sdl2 v0.35.2
[INFO] [stderr]   Downloaded sdl2-sys v0.35.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 60405b832999454354faeae36383904bba54c657eb76dc442c6e17c8c872a89c
[INFO] running `Command { std: "docker" "start" "-a" "60405b832999454354faeae36383904bba54c657eb76dc442c6e17c8c872a89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "60405b832999454354faeae36383904bba54c657eb76dc442c6e17c8c872a89c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60405b832999454354faeae36383904bba54c657eb76dc442c6e17c8c872a89c", kill_on_drop: false }`
[INFO] [stdout] 60405b832999454354faeae36383904bba54c657eb76dc442c6e17c8c872a89c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 576ad848c7190b2f41e5b5c30eb17ff802c4900e74902f46742d330cdd690f02
[INFO] running `Command { std: "docker" "start" "-a" "576ad848c7190b2f41e5b5c30eb17ff802c4900e74902f46742d330cdd690f02", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking ahi v0.1.0 (/opt/rustwide/workdir/ahi)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> ahi/src/lib.rs:661:18
[INFO] [stdout]     |
[INFO] [stdout] 661 |     pub fn chars(&self) -> Chars {
[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] 661 |     pub fn chars(&self) -> Chars<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling ico v0.1.0
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]    Compiling winres v0.1.12
[INFO] [stderr]    Compiling syzygy v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AnimNode`, `DarkNode`, `LightNode`, `LoopNode`, `PlaceNode`, `RemoveNode`, `SetBgNode`, `SetSpriteNode`, and `TalkNode`
[INFO] [stdout]   --> src/elements/cutscene/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     AnimNode, DarkNode, JumpNode, LightNode, LoopNode, ParallelNode,
[INFO] [stdout]    |     ^^^^^^^^  ^^^^^^^^            ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 27 |     PlaceNode, QueueNode, RemoveNode, Scene, SceneNode, SequenceNode,
[INFO] [stdout]    |     ^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 28 |     SetBgNode, SetPosNode, SetSpriteNode, ShakeNode, SlideNode, SoundNode,
[INFO] [stdout]    |     ^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     TalkNode, WaitNode,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResourceFile`
[INFO] [stdout]   --> src/gui/loader/mod.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::directory::{ResourceFile, ResourceLoader};
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AnimNode`, `DarkNode`, `LightNode`, `LoopNode`, `PlaceNode`, `RemoveNode`, `SetBgNode`, `SetSpriteNode`, and `TalkNode`
[INFO] [stdout]   --> src/elements/cutscene/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     AnimNode, DarkNode, JumpNode, LightNode, LoopNode, ParallelNode,
[INFO] [stdout]    |     ^^^^^^^^  ^^^^^^^^            ^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 27 |     PlaceNode, QueueNode, RemoveNode, Scene, SceneNode, SequenceNode,
[INFO] [stdout]    |     ^^^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 28 |     SetBgNode, SetPosNode, SetSpriteNode, ShakeNode, SlideNode, SoundNode,
[INFO] [stdout]    |     ^^^^^^^^^              ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     TalkNode, WaitNode,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ResourceFile`
[INFO] [stdout]   --> src/gui/loader/mod.rs:28:27
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub use self::directory::{ResourceFile, ResourceLoader};
[INFO] [stdout]    |                           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gui/background.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn tiles(&self) -> Tiles {
[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] 119 |     pub fn tiles(&self) -> Tiles<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gui/canvas.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn subcanvas(&mut self, mut rect: Rect) -> Canvas {
[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] 74 |     pub fn subcanvas(&mut self, mut rect: Rect) -> Canvas<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gui/canvas.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn clipped(&mut self, mut rect: Rect) -> Canvas {
[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] 86 |     pub fn clipped(&mut self, mut rect: Rect) -> Canvas<'_> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gui/window.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn resources(&mut self) -> Resources {
[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] 191 |     pub fn resources(&mut self) -> Resources<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/save/memory.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn tiles(&self) -> TilesIter {
[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] 37 |     pub fn tiles(&self) -> TilesIter<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/save/memory.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn tiles(&self) -> TilesIter {
[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] 83 |     pub fn tiles(&self) -> TilesIter<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gui/background.rs:119:18
[INFO] [stdout]     |
[INFO] [stdout] 119 |     pub fn tiles(&self) -> Tiles {
[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] 119 |     pub fn tiles(&self) -> Tiles<'_> {
[INFO] [stdout]     |                                 ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gui/canvas.rs:74:22
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn subcanvas(&mut self, mut rect: Rect) -> Canvas {
[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] 74 |     pub fn subcanvas(&mut self, mut rect: Rect) -> Canvas<'_> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/gui/canvas.rs:86:20
[INFO] [stdout]    |
[INFO] [stdout] 86 |     pub fn clipped(&mut self, mut rect: Rect) -> Canvas {
[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] 86 |     pub fn clipped(&mut self, mut rect: Rect) -> Canvas<'_> {
[INFO] [stdout]    |                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/gui/window.rs:191:22
[INFO] [stdout]     |
[INFO] [stdout] 191 |     pub fn resources(&mut self) -> Resources {
[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] 191 |     pub fn resources(&mut self) -> Resources<'_> {
[INFO] [stdout]     |                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/save/memory.rs:37:18
[INFO] [stdout]    |
[INFO] [stdout] 37 |     pub fn tiles(&self) -> TilesIter {
[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] 37 |     pub fn tiles(&self) -> TilesIter<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/save/memory.rs:83:18
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub fn tiles(&self) -> TilesIter {
[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] 83 |     pub fn tiles(&self) -> TilesIter<'_> {
[INFO] [stdout]    |                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/save/puzzles/black.rs:230:32
[INFO] [stdout]     |
[INFO] [stdout] 230 |         let tree = state.tree().clone();
[INFO] [stdout]     |                                ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `RedBlackTree` does not implement `Clone`, so calling `clone` on `&RedBlackTree` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 230 -         let tree = state.tree().clone();
[INFO] [stdout] 230 +         let tree = state.tree();
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `RedBlackTree`, implement `Clone` for it
[INFO] [stdout]    --> src/save/tree/redblack.rs:28:1
[INFO] [stdout]     |
[INFO] [stdout]  28 + #[derive(Clone)]
[INFO] [stdout]  29 | pub struct RedBlackTree {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.52s
[INFO] running `Command { std: "docker" "inspect" "576ad848c7190b2f41e5b5c30eb17ff802c4900e74902f46742d330cdd690f02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "576ad848c7190b2f41e5b5c30eb17ff802c4900e74902f46742d330cdd690f02", kill_on_drop: false }`
[INFO] [stdout] 576ad848c7190b2f41e5b5c30eb17ff802c4900e74902f46742d330cdd690f02
