[INFO] cloning repository https://github.com/adrocodes/maze-generation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adrocodes/maze-generation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrocodes%2Fmaze-generation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrocodes%2Fmaze-generation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cf3b221e11b39a2726cc9dff14f0f56701437a91
[INFO] checking adrocodes/maze-generation against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadrocodes%2Fmaze-generation" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/adrocodes/maze-generation
[INFO] finished tweaking git repo https://github.com/adrocodes/maze-generation
[INFO] tweaked toml for git repo https://github.com/adrocodes/maze-generation written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/adrocodes/maze-generation on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/adrocodes/maze-generation 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zune-inflate v0.2.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 548c9ed7636e894f52629438ce82a5e2896d716672f899146874a42a4a6c36f6
[INFO] running `Command { std: "docker" "start" "-a" "548c9ed7636e894f52629438ce82a5e2896d716672f899146874a42a4a6c36f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "548c9ed7636e894f52629438ce82a5e2896d716672f899146874a42a4a6c36f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548c9ed7636e894f52629438ce82a5e2896d716672f899146874a42a4a6c36f6", kill_on_drop: false }`
[INFO] [stdout] 548c9ed7636e894f52629438ce82a5e2896d716672f899146874a42a4a6c36f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51829feb73f685352c942633f01a4051b1e5720cd743827d93562484258977ce
[INFO] running `Command { std: "docker" "start" "-a" "51829feb73f685352c942633f01a4051b1e5720cd743827d93562484258977ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.10.2
[INFO] [stderr]    Compiling futures-core v0.3.26
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking simd-adler32 v0.3.4
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking spin v0.9.5
[INFO] [stderr]     Checking weezl v0.1.7
[INFO] [stderr]     Checking futures-sink v0.3.26
[INFO] [stderr]     Checking lebe v0.5.2
[INFO] [stderr]     Checking bit_field v0.10.1
[INFO] [stderr]     Checking half v2.2.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking bytemuck v1.13.0
[INFO] [stderr]     Checking zune-inflate v0.2.50
[INFO] [stderr]     Checking nanorand v0.7.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking gif v0.11.4
[INFO] [stderr]     Checking rayon v1.6.1
[INFO] [stderr]     Checking jpeg-decoder v0.3.0
[INFO] [stderr]     Checking tiff v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]     Checking pin-project v1.0.12
[INFO] [stderr]     Checking flume v0.10.14
[INFO] [stderr]     Checking exr v1.5.3
[INFO] [stderr]     Checking image v0.24.5
[INFO] [stderr]     Checking maze_v1 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut pixel = image.get_pixel_mut(node.value.0, node.value.1);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         let mut pixel = image.get_pixel_mut(x, node.value.1);
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |                         let mut pixel = image.get_pixel_mut(node.value.0, y);
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut pixel = image.get_pixel_mut(STARTING_SPOT.0, STARTING_SPOT.1);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut pixel = image.get_pixel_mut(ENDING_SPOT.0, ENDING_SPOT.1);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `insert_node`, `insert_edge`, `from_nodes`, and `from_edges` are never used
[INFO] [stdout]   --> src/graph/builder.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T: PartialEq + Eq + Hash + Clone + Debug + Ord> GraphBuilder<T> {
[INFO] [stdout]    | -------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn insert_node(mut self, node: T) -> GraphBuilder<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn insert_edge(mut self, from: T, to: T) -> GraphBuilder<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn from_nodes(nodes: Vec<T>) -> GraphBuilder<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn from_edges(edges: Vec<(T, T)>) -> GraphBuilder<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: field `children` is never read
[INFO] [stdout]   --> src/graph/graph.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node<T: PartialEq + Eq + Hash + Clone + Debug + Ord> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub children: Option<Vec<T>>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bfs` is never used
[INFO] [stdout]   --> src/graph/graph.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | / impl<T> Graph<T>
[INFO] [stdout] 52 | | where
[INFO] [stdout] 53 | |     T: PartialEq + Eq + Hash + Clone + Debug + Ord,
[INFO] [stdout]    | |___________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |       pub fn bfs(&self, start: T, end: T) -> Option<Path<T>> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/graph.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_path(&self) -> Ref<Path<T>> {
[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] 55 |     pub fn get_path(&self) -> Ref<'_, Path<T>> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut pixel = image.get_pixel_mut(node.value.0, node.value.1);
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:49:29
[INFO] [stdout]    |
[INFO] [stdout] 49 |                         let mut pixel = image.get_pixel_mut(x, node.value.1);
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |                         let mut pixel = image.get_pixel_mut(node.value.0, y);
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |     let mut pixel = image.get_pixel_mut(STARTING_SPOT.0, STARTING_SPOT.1);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     let mut pixel = image.get_pixel_mut(ENDING_SPOT.0, ENDING_SPOT.1);
[INFO] [stdout]    |         ----^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `insert_node`, `insert_edge`, `from_nodes`, and `from_edges` are never used
[INFO] [stdout]   --> src/graph/builder.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl<T: PartialEq + Eq + Hash + Clone + Debug + Ord> GraphBuilder<T> {
[INFO] [stdout]    | -------------------------------------------------------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn insert_node(mut self, node: T) -> GraphBuilder<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 61 |     pub fn insert_edge(mut self, from: T, to: T) -> GraphBuilder<T> {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 71 |     pub fn from_nodes(nodes: Vec<T>) -> GraphBuilder<T> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 81 |     pub fn from_edges(edges: Vec<(T, T)>) -> GraphBuilder<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: field `children` is never read
[INFO] [stdout]   --> src/graph/graph.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct Node<T: PartialEq + Eq + Hash + Clone + Debug + Ord> {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub children: Option<Vec<T>>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Node` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `bfs` is never used
[INFO] [stdout]   --> src/graph/graph.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 51 | / impl<T> Graph<T>
[INFO] [stdout] 52 | | where
[INFO] [stdout] 53 | |     T: PartialEq + Eq + Hash + Clone + Debug + Ord,
[INFO] [stdout]    | |___________________________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |       pub fn bfs(&self, start: T, end: T) -> Option<Path<T>> {
[INFO] [stdout]    |              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/graph/graph.rs:55:21
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn get_path(&self) -> Ref<Path<T>> {
[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] 55 |     pub fn get_path(&self) -> Ref<'_, Path<T>> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.55s
[INFO] running `Command { std: "docker" "inspect" "51829feb73f685352c942633f01a4051b1e5720cd743827d93562484258977ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51829feb73f685352c942633f01a4051b1e5720cd743827d93562484258977ce", kill_on_drop: false }`
[INFO] [stdout] 51829feb73f685352c942633f01a4051b1e5720cd743827d93562484258977ce
