[INFO] crate rusterize 0.3.8 is already in cache
[INFO] testing rusterize-0.3.8 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rusterize 0.3.8 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rusterize 0.3.8 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rusterize 0.3.8
[INFO] finished tweaking crates.io crate rusterize 0.3.8
[INFO] tweaked toml for crates.io crate rusterize 0.3.8 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f4088eadc72489b51c6dcaad5aba6c35f0ee4502d35242b4d5e0287dbd21bc2
[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" "3f4088eadc72489b51c6dcaad5aba6c35f0ee4502d35242b4d5e0287dbd21bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f4088eadc72489b51c6dcaad5aba6c35f0ee4502d35242b4d5e0287dbd21bc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f4088eadc72489b51c6dcaad5aba6c35f0ee4502d35242b4d5e0287dbd21bc2", kill_on_drop: false }`
[INFO] [stdout] 3f4088eadc72489b51c6dcaad5aba6c35f0ee4502d35242b4d5e0287dbd21bc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91afb12d6410cdb2ac0319a2c5ba377a6c3cab178be63ff6478006f9ddafe5e6
[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" "91afb12d6410cdb2ac0319a2c5ba377a6c3cab178be63ff6478006f9ddafe5e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.27.3
[INFO] [stderr]    Compiling sdl2 v0.29.1
[INFO] [stderr]    Compiling rusterize v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let f = try!(fs::File::open(filename));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/texture.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(write!(f, "| "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     try!(write!(f, "{} ", pixel::as_char(*p)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 try!(write!(f, "|\n"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let screen = try!(GraphicalScreen::new(
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut world_state = try!(init(&mut renderer));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:31
[INFO] [stdout]    |
[INFO] [stdout] 72 |             if  frame_dirty { try!(render(&mut renderer, &world_state)); }
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:30:60
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn from_file(filename: &str) -> Result<Object, Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/renderer.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / macro_rules! do_with_color {
[INFO] [stdout] 14 | |     ( $renderer:expr, $color:expr, $block:block ) => {
[INFO] [stdout] 15 | |         let old_color = $renderer.color;
[INFO] [stdout] 16 | |         $renderer.color = $color;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:256:49
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn display(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         -> Result<(), Box<error::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |         -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:64:44
[INFO] [stdout]    |
[INFO] [stdout] 64 |         -> Result<GraphicalScreen<'a>, Box<error::Error>>
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |         -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn (&mut Renderer<S>) -> Result<WorldState, Box<error::Error>>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn (&mut Renderer<S>, &WorldState) -> Result<(), Box<error::Error>>;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(renderer.display());
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |     -> Result<WorldState, Box<error::Error>>
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/main.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 |     -> Result<(), Box<error::Error>>
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.70s
[INFO] running `Command { std: "docker" "inspect" "91afb12d6410cdb2ac0319a2c5ba377a6c3cab178be63ff6478006f9ddafe5e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91afb12d6410cdb2ac0319a2c5ba377a6c3cab178be63ff6478006f9ddafe5e6", kill_on_drop: false }`
[INFO] [stdout] 91afb12d6410cdb2ac0319a2c5ba377a6c3cab178be63ff6478006f9ddafe5e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f956ba4d238a8b4657c065762e36ae93ca54d2feea136e8dd70ce94f3dfe7051
[INFO] running `Command { std: "docker" "start" "-a" "f956ba4d238a8b4657c065762e36ae93ca54d2feea136e8dd70ce94f3dfe7051", kill_on_drop: false }`
[INFO] [stderr]    Compiling rusterize v0.3.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let f = try!(fs::File::open(filename));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/texture.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(write!(f, "| "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     try!(write!(f, "{} ", pixel::as_char(*p)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 try!(write!(f, "|\n"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let screen = try!(GraphicalScreen::new(
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut world_state = try!(init(&mut renderer));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:31
[INFO] [stdout]    |
[INFO] [stdout] 72 |             if  frame_dirty { try!(render(&mut renderer, &world_state)); }
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:30:60
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn from_file(filename: &str) -> Result<Object, Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/renderer.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / macro_rules! do_with_color {
[INFO] [stdout] 14 | |     ( $renderer:expr, $color:expr, $block:block ) => {
[INFO] [stdout] 15 | |         let old_color = $renderer.color;
[INFO] [stdout] 16 | |         $renderer.color = $color;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:256:49
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn display(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         -> Result<(), Box<error::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |         -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:64:44
[INFO] [stdout]    |
[INFO] [stdout] 64 |         -> Result<GraphicalScreen<'a>, Box<error::Error>>
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |         -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn (&mut Renderer<S>) -> Result<WorldState, Box<error::Error>>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn (&mut Renderer<S>, &WorldState) -> Result<(), Box<error::Error>>;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/object.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let f = try!(fs::File::open(filename));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/texture.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 try!(write!(f, "| "));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:102:21
[INFO] [stdout]     |
[INFO] [stdout] 102 |                     try!(write!(f, "{} ", pixel::as_char(*p)));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:104:17
[INFO] [stdout]     |
[INFO] [stdout] 104 |                 try!(write!(f, "|\n"));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/texture.rs:109:9
[INFO] [stdout]     |
[INFO] [stdout] 109 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:47:18
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let screen = try!(GraphicalScreen::new(
[INFO] [stdout]    |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:56:27
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let mut world_state = try!(init(&mut renderer));
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:72:31
[INFO] [stdout]    |
[INFO] [stdout] 72 |             if  frame_dirty { try!(render(&mut renderer, &world_state)); }
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/object.rs:30:60
[INFO] [stdout]    |
[INFO] [stdout] 30 |     pub fn from_file(filename: &str) -> Result<Object, Box<error::Error>> {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/renderer.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / macro_rules! do_with_color {
[INFO] [stdout] 14 | |     ( $renderer:expr, $color:expr, $block:block ) => {
[INFO] [stdout] 15 | |         let old_color = $renderer.color;
[INFO] [stdout] 16 | |         $renderer.color = $color;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     }
[INFO] [stdout] 20 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/renderer.rs:256:49
[INFO] [stdout]     |
[INFO] [stdout] 256 |     pub fn display(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:12:27
[INFO] [stdout]    |
[INFO] [stdout] 12 |         -> Result<(), Box<error::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:37:27
[INFO] [stdout]    |
[INFO] [stdout] 37 |         -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:64:44
[INFO] [stdout]    |
[INFO] [stdout] 64 |         -> Result<GraphicalScreen<'a>, Box<error::Error>>
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/screen.rs:88:27
[INFO] [stdout]    |
[INFO] [stdout] 88 |         -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:53
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn (&mut Renderer<S>) -> Result<WorldState, Box<error::Error>>;
[INFO] [stdout]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:32:58
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn (&mut Renderer<S>, &WorldState) -> Result<(), Box<error::Error>>;
[INFO] [stdout]    |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |     -> Result<(), Box<error::Error>>
[INFO] [stdout]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]    --> src/main.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     try!(renderer.display());
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:51:31
[INFO] [stdout]    |
[INFO] [stdout] 51 |     -> Result<WorldState, Box<error::Error>>
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/main.rs:127:23
[INFO] [stdout]     |
[INFO] [stdout] 127 |     -> Result<(), Box<error::Error>>
[INFO] [stdout]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f956ba4d238a8b4657c065762e36ae93ca54d2feea136e8dd70ce94f3dfe7051", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f956ba4d238a8b4657c065762e36ae93ca54d2feea136e8dd70ce94f3dfe7051", kill_on_drop: false }`
[INFO] [stdout] f956ba4d238a8b4657c065762e36ae93ca54d2feea136e8dd70ce94f3dfe7051
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6341138cb27307dfecaea1154d9c8a6ad1452d31aec36ef94f22d6cb20b21c67
[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" "6341138cb27307dfecaea1154d9c8a6ad1452d31aec36ef94f22d6cb20b21c67", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/object.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let f = try!(fs::File::open(filename));
[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/object.rs:31:17
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let f = try!(fs::File::open(filename));
[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/texture.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/texture.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(write!(f, "| "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:100:17
[INFO] [stderr]     |
[INFO] [stderr] 100 |                 try!(write!(f, "| "));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     try!(write!(f, "{} ", pixel::as_char(*p)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:102:21
[INFO] [stderr]     |
[INFO] [stderr] 102 |                     try!(write!(f, "{} ", pixel::as_char(*p)));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 try!(write!(f, "|\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:104:17
[INFO] [stderr]     |
[INFO] [stderr] 104 |                 try!(write!(f, "|\n"));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/texture.rs:109:9
[INFO] [stderr]     |
[INFO] [stderr] 109 |         try!(write!(f, "{:-^1$}\n", "", self.w as usize * 2 + 3));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let screen = try!(GraphicalScreen::new(
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:47:18
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let screen = try!(GraphicalScreen::new(
[INFO] [stderr]    |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut world_state = try!(init(&mut renderer));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:56:27
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let mut world_state = try!(init(&mut renderer));
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:31
[INFO] [stderr]    |
[INFO] [stderr] 72 |             if  frame_dirty { try!(render(&mut renderer, &world_state)); }
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:72:31
[INFO] [stderr]    |
[INFO] [stderr] 72 |             if  frame_dirty { try!(render(&mut renderer, &world_state)); }
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/object.rs:30:60
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_file(filename: &str) -> Result<Object, Box<error::Error>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/object.rs:30:60
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn from_file(filename: &str) -> Result<Object, Box<error::Error>> {
[INFO] [stderr]    |                                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/renderer.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / macro_rules! do_with_color {
[INFO] [stderr] 14 | |     ( $renderer:expr, $color:expr, $block:block ) => {
[INFO] [stderr] 15 | |         let old_color = $renderer.color;
[INFO] [stderr] 16 | |         $renderer.color = $color;
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:256:49
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn display(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> src/renderer.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | / macro_rules! do_with_color {
[INFO] [stderr] 14 | |     ( $renderer:expr, $color:expr, $block:block ) => {
[INFO] [stderr] 15 | |         let old_color = $renderer.color;
[INFO] [stderr] 16 | |         $renderer.color = $color;
[INFO] [stderr] ...  |
[INFO] [stderr] 19 | |     }
[INFO] [stderr] 20 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |         -> Result<(), Box<error::Error>>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/renderer.rs:256:49
[INFO] [stderr]     |
[INFO] [stderr] 256 |     pub fn display(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:12:27
[INFO] [stderr]    |
[INFO] [stderr] 12 |         -> Result<(), Box<error::Error>>;
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:64:44
[INFO] [stderr]    |
[INFO] [stderr] 64 |         -> Result<GraphicalScreen<'a>, Box<error::Error>>
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:37:27
[INFO] [stderr]    |
[INFO] [stderr] 37 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:64:44
[INFO] [stderr]    |
[INFO] [stderr] 64 |         -> Result<GraphicalScreen<'a>, Box<error::Error>>
[INFO] [stderr]    |                                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:53
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn (&mut Renderer<S>) -> Result<WorldState, Box<error::Error>>;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/screen.rs:88:27
[INFO] [stderr]    |
[INFO] [stderr] 88 |         -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                           ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:32:58
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn (&mut Renderer<S>, &WorldState) -> Result<(), Box<error::Error>>;
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:26:53
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn (&mut Renderer<S>) -> Result<WorldState, Box<error::Error>>;
[INFO] [stderr]    |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:32:58
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn (&mut Renderer<S>, &WorldState) -> Result<(), Box<error::Error>>;
[INFO] [stderr]    |                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:43:23
[INFO] [stderr]    |
[INFO] [stderr] 43 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]    |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 19 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/main.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     try!(renderer.display());
[INFO] [stderr]     |     ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:51:31
[INFO] [stderr]    |
[INFO] [stderr] 51 |     -> Result<WorldState, Box<error::Error>>
[INFO] [stderr]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::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/main.rs:127:23
[INFO] [stderr]     |
[INFO] [stderr] 127 |     -> Result<(), Box<error::Error>>
[INFO] [stderr]     |                       ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusterize-2ce239ded23e0dba
[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] [stderr]      Running /opt/rustwide/target/debug/deps/rusterize-b4ae01c47e1cd5ea
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusterize
[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] [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" "6341138cb27307dfecaea1154d9c8a6ad1452d31aec36ef94f22d6cb20b21c67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6341138cb27307dfecaea1154d9c8a6ad1452d31aec36ef94f22d6cb20b21c67", kill_on_drop: false }`
[INFO] [stdout] 6341138cb27307dfecaea1154d9c8a6ad1452d31aec36ef94f22d6cb20b21c67