[INFO] updating cached repository https://github.com/trentsummerfield/spirograph
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f849ecbd67a275102a22702fd3fa5ee3b2100b5b
[INFO] testing trentsummerfield/spirograph against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftrentsummerfield%2Fspirograph" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/trentsummerfield/spirograph on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/trentsummerfield/spirograph
[INFO] finished tweaking git repo https://github.com/trentsummerfield/spirograph
[INFO] tweaked toml for git repo https://github.com/trentsummerfield/spirograph written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/trentsummerfield/spirograph already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4af42402c571536555a0a125e3403e166ce563042c21b0088e234b7e9ce6d566
[INFO] running `"docker" "start" "-a" "4af42402c571536555a0a125e3403e166ce563042c21b0088e234b7e9ce6d566"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling sdl2-sys v0.6.2
[INFO] [stderr]    Compiling libc v0.1.12
[INFO] [stderr]    Compiling sdl2 v0.9.1
[INFO] [stderr]    Compiling spirograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sim.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |             shapes.push(try!(parse_spiro(i + 1, command_line)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sim.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |             shapes.push(try!(parse_rspiro(i + 1, command_line)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:102:14
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let br = try!(command_line[index].parse::<f32>().map_err(|_| "First argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:103:14
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let lr = try!(command_line[index+1].parse::<f32>().map_err(|_| "Second argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let l = try!(command_line[index+2].parse::<f32>().map_err(|_| "Third argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:112:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let br = try!(command_line[index].parse::<f32>().map_err(|_| "First argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:113:14
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let lr = try!(command_line[index+1].parse::<f32>().map_err(|_| "Second argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let l = try!(command_line[index+2].parse::<f32>().map_err(|_| "Third argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sim_interface.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn as_mut_any(&mut self) -> &mut Any;
[INFO] [stderr]   |                                      ^^^ help: use `dyn`: `dyn Any`
[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/sim.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn as_mut_any(&mut self) -> &mut Any {
[INFO] [stderr]    |                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sim.rs:59:84
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn update_and_render(bitmap: &mut Bitmap, input: &Input, sim_state: Option<Box<SimState>>) -> Box<SimState> {
[INFO] [stderr]    |                                                                                    ^^^^^^^^ help: use `dyn`: `dyn SimState`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sim.rs:59:103
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn update_and_render(bitmap: &mut Bitmap, input: &Input, sim_state: Option<Box<SimState>>) -> Box<SimState> {
[INFO] [stderr]    |                                                                                                       ^^^^^^^^ help: use `dyn`: `dyn SimState`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sim.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 | type ParametricFunc = Box<Fn(f32) -> V2>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> V2`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.68s
[INFO] running `"docker" "inspect" "4af42402c571536555a0a125e3403e166ce563042c21b0088e234b7e9ce6d566"`
[INFO] running `"docker" "rm" "-f" "4af42402c571536555a0a125e3403e166ce563042c21b0088e234b7e9ce6d566"`
[INFO] [stdout] 4af42402c571536555a0a125e3403e166ce563042c21b0088e234b7e9ce6d566
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 108b29ab65c4d5e261b1584057b9221e053ed8f1355414e9507d51e49a82e7cb
[INFO] running `"docker" "start" "-a" "108b29ab65c4d5e261b1584057b9221e053ed8f1355414e9507d51e49a82e7cb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling spirograph v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sim.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |             shapes.push(try!(parse_spiro(i + 1, command_line)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sim.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |             shapes.push(try!(parse_rspiro(i + 1, command_line)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:102:14
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let br = try!(command_line[index].parse::<f32>().map_err(|_| "First argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:103:14
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let lr = try!(command_line[index+1].parse::<f32>().map_err(|_| "Second argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let l = try!(command_line[index+2].parse::<f32>().map_err(|_| "Third argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:112:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let br = try!(command_line[index].parse::<f32>().map_err(|_| "First argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:113:14
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let lr = try!(command_line[index+1].parse::<f32>().map_err(|_| "Second argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let l = try!(command_line[index+2].parse::<f32>().map_err(|_| "Third argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sim_interface.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn as_mut_any(&mut self) -> &mut Any;
[INFO] [stderr]   |                                      ^^^ help: use `dyn`: `dyn Any`
[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/sim.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn as_mut_any(&mut self) -> &mut Any {
[INFO] [stderr]    |                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sim.rs:59:84
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn update_and_render(bitmap: &mut Bitmap, input: &Input, sim_state: Option<Box<SimState>>) -> Box<SimState> {
[INFO] [stderr]    |                                                                                    ^^^^^^^^ help: use `dyn`: `dyn SimState`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sim.rs:59:103
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn update_and_render(bitmap: &mut Bitmap, input: &Input, sim_state: Option<Box<SimState>>) -> Box<SimState> {
[INFO] [stderr]    |                                                                                                       ^^^^^^^^ help: use `dyn`: `dyn SimState`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sim.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 | type ParametricFunc = Box<Fn(f32) -> V2>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> V2`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "108b29ab65c4d5e261b1584057b9221e053ed8f1355414e9507d51e49a82e7cb"`
[INFO] running `"docker" "rm" "-f" "108b29ab65c4d5e261b1584057b9221e053ed8f1355414e9507d51e49a82e7cb"`
[INFO] [stdout] 108b29ab65c4d5e261b1584057b9221e053ed8f1355414e9507d51e49a82e7cb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 865b3122f108f55d0c830c3de3fe30d6a1d71e1bfc9471e7753f3ce16dc46686
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "865b3122f108f55d0c830c3de3fe30d6a1d71e1bfc9471e7753f3ce16dc46686"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sim.rs:82:25
[INFO] [stderr]    |
[INFO] [stderr] 82 |             shapes.push(try!(parse_spiro(i + 1, command_line)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/sim.rs:85:25
[INFO] [stderr]    |
[INFO] [stderr] 85 |             shapes.push(try!(parse_rspiro(i + 1, command_line)));
[INFO] [stderr]    |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:102:14
[INFO] [stderr]     |
[INFO] [stderr] 102 |     let br = try!(command_line[index].parse::<f32>().map_err(|_| "First argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:103:14
[INFO] [stderr]     |
[INFO] [stderr] 103 |     let lr = try!(command_line[index+1].parse::<f32>().map_err(|_| "Second argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:104:13
[INFO] [stderr]     |
[INFO] [stderr] 104 |     let l = try!(command_line[index+2].parse::<f32>().map_err(|_| "Third argument to --spiro must be a number".to_string()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:112:14
[INFO] [stderr]     |
[INFO] [stderr] 112 |     let br = try!(command_line[index].parse::<f32>().map_err(|_| "First argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:113:14
[INFO] [stderr]     |
[INFO] [stderr] 113 |     let lr = try!(command_line[index+1].parse::<f32>().map_err(|_| "Second argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |              ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/sim.rs:114:13
[INFO] [stderr]     |
[INFO] [stderr] 114 |     let l = try!(command_line[index+2].parse::<f32>().map_err(|_| "Third argument to --rspiro must be a number".to_string()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/sim_interface.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 |     fn as_mut_any(&mut self) -> &mut Any;
[INFO] [stderr]   |                                      ^^^ help: use `dyn`: `dyn Any`
[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/sim.rs:24:38
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn as_mut_any(&mut self) -> &mut Any {
[INFO] [stderr]    |                                      ^^^ help: use `dyn`: `dyn Any`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sim.rs:59:84
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn update_and_render(bitmap: &mut Bitmap, input: &Input, sim_state: Option<Box<SimState>>) -> Box<SimState> {
[INFO] [stderr]    |                                                                                    ^^^^^^^^ help: use `dyn`: `dyn SimState`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/sim.rs:59:103
[INFO] [stderr]    |
[INFO] [stderr] 59 | pub fn update_and_render(bitmap: &mut Bitmap, input: &Input, sim_state: Option<Box<SimState>>) -> Box<SimState> {
[INFO] [stderr]    |                                                                                                       ^^^^^^^^ help: use `dyn`: `dyn SimState`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sim.rs:153:27
[INFO] [stderr]     |
[INFO] [stderr] 153 | type ParametricFunc = Box<Fn(f32) -> V2>;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(f32) -> V2`
[INFO] [stderr] 
[INFO] [stderr] warning: 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/spirograph-a25b23b133f3ec2b
[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 `"docker" "inspect" "865b3122f108f55d0c830c3de3fe30d6a1d71e1bfc9471e7753f3ce16dc46686"`
[INFO] running `"docker" "rm" "-f" "865b3122f108f55d0c830c3de3fe30d6a1d71e1bfc9471e7753f3ce16dc46686"`
[INFO] [stdout] 865b3122f108f55d0c830c3de3fe30d6a1d71e1bfc9471e7753f3ce16dc46686