[INFO] fetching crate gol 0.1.11...
[INFO] testing gol-0.1.11 against 1.47.0 for beta-1.48-1
[INFO] extracting crate gol 0.1.11 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate gol 0.1.11 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gol 0.1.11
[INFO] finished tweaking crates.io crate gol 0.1.11
[INFO] tweaked toml for crates.io crate gol 0.1.11 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cc9d1636f43e4c05491e2fc10f5fc272d2cb38ffeb6dff976e6cdafb36d16d6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "cc9d1636f43e4c05491e2fc10f5fc272d2cb38ffeb6dff976e6cdafb36d16d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cc9d1636f43e4c05491e2fc10f5fc272d2cb38ffeb6dff976e6cdafb36d16d6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc9d1636f43e4c05491e2fc10f5fc272d2cb38ffeb6dff976e6cdafb36d16d6f", kill_on_drop: false }`
[INFO] [stdout] cc9d1636f43e4c05491e2fc10f5fc272d2cb38ffeb6dff976e6cdafb36d16d6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3134c0e09a49504deee552df43521917834effb5ae1b3403fc11a6809ea4279a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3134c0e09a49504deee552df43521917834effb5ae1b3403fc11a6809ea4279a", 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] [stderr]    Compiling draw_state v0.7.1
[INFO] [stderr]    Compiling wayland-scanner v0.9.10
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling derivative v1.0.4
[INFO] [stderr]    Compiling glutin v0.9.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling gfx_core v0.7.2
[INFO] [stderr]    Compiling wayland-window v0.7.0
[INFO] [stderr]    Compiling winit v0.7.6
[INFO] [stderr]    Compiling gfx_device_gl v0.14.6
[INFO] [stderr]    Compiling gfx v0.16.3
[INFO] [stderr]    Compiling gfx_window_glutin v0.17.0
[INFO] [stderr]    Compiling gol v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/data/grid.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stdout] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stdout] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stdout]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:214:58
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 | fn inner_main() -> Result<(), Box<Error>> {
[INFO] [stdout]    |                                   ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "3134c0e09a49504deee552df43521917834effb5ae1b3403fc11a6809ea4279a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3134c0e09a49504deee552df43521917834effb5ae1b3403fc11a6809ea4279a", kill_on_drop: false }`
[INFO] [stdout] 3134c0e09a49504deee552df43521917834effb5ae1b3403fc11a6809ea4279a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33e8ef11058d8cbc5a26ff36f2bd45a8447ca1d5de13c016002c697593f24d8e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "33e8ef11058d8cbc5a26ff36f2bd45a8447ca1d5de13c016002c697593f24d8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling gol v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/data/grid.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stdout] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stdout] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stdout]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:214:58
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/data/grid.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stdout] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stdout] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stdout]    | |_______________________________________________________________________________________________^
[INFO] [stdout] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stdout]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:117:27
[INFO] [stdout]     |
[INFO] [stdout] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stdout]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:187:44
[INFO] [stdout]     |
[INFO] [stdout] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:214:58
[INFO] [stdout]     |
[INFO] [stdout] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/rendering/mod.rs:232:45
[INFO] [stdout]     |
[INFO] [stdout] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.36s
[INFO] running `Command { std: "docker" "inspect" "33e8ef11058d8cbc5a26ff36f2bd45a8447ca1d5de13c016002c697593f24d8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33e8ef11058d8cbc5a26ff36f2bd45a8447ca1d5de13c016002c697593f24d8e", kill_on_drop: false }`
[INFO] [stdout] 33e8ef11058d8cbc5a26ff36f2bd45a8447ca1d5de13c016002c697593f24d8e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 195e8e5ebf53f1cd04cc5512f08177fc4399421605fc88de286597cfe13ffd68
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "195e8e5ebf53f1cd04cc5512f08177fc4399421605fc88de286597cfe13ffd68", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/data/grid.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stderr] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stderr] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stderr]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:117:27
[INFO] [stderr]     |
[INFO] [stderr] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:187:44
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:214:58
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:232:45
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/data/grid.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 44 | /         /// Grid is a matrix with {height} rows and {width} columns, addressed
[INFO] [stderr] 45 | |         /// via (i, j) (row, column) convention. Used for finding neightbours because it's
[INFO] [stderr] 46 | |         /// just an easier mental model to work with for that problem. It gets flattened later.
[INFO] [stderr]    | |_______________________________________________________________________________________________^
[INFO] [stderr] 47 |           let mut grid = Vec::with_capacity(height);
[INFO] [stderr]    |           ------------------------------------------ rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:117:27
[INFO] [stderr]     |
[INFO] [stderr] 117 |     ) -> Result<Self, Box<Error>> {
[INFO] [stderr]     |                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:187:44
[INFO] [stderr]     |
[INFO] [stderr] 187 |     fn render(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:214:58
[INFO] [stderr]     |
[INFO] [stderr] 214 |     pub fn update_instances(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                                          ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/rendering/mod.rs:232:45
[INFO] [stderr]     |
[INFO] [stderr] 232 |     pub fn run(&mut self) -> Result<(), Box<Error>> {
[INFO] [stderr]     |                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.48s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/gol-d388b79f5c2f05b2
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test data::cell::tests::test_next_status ... ok
[INFO] [stdout] test data::grid::tests::test_neighbour_coords ... ok
[INFO] [stdout] test data::grid::tests::test_get_idx ... ok
[INFO] [stdout] test data::grid::tests::test_alive_count ... ok
[INFO] [stdout] test data::grid::tests::test_grid_new ... ok
[INFO] [stdout] test data::grid::tests::test_to_coord ... ok
[INFO] [stdout] test data::grid::tests::test_to_grid_idx ... ok
[INFO] [stdout] test data::grid::tests::test_advance ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests gol
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "195e8e5ebf53f1cd04cc5512f08177fc4399421605fc88de286597cfe13ffd68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "195e8e5ebf53f1cd04cc5512f08177fc4399421605fc88de286597cfe13ffd68", kill_on_drop: false }`
[INFO] [stdout] 195e8e5ebf53f1cd04cc5512f08177fc4399421605fc88de286597cfe13ffd68
