[INFO] crate hematite 0.0.34 is already in cache
[INFO] testing hematite-0.0.34 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate hematite 0.0.34 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate hematite 0.0.34 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate hematite 0.0.34
[INFO] finished tweaking crates.io crate hematite 0.0.34
[INFO] tweaked toml for crates.io crate hematite 0.0.34 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 74e54ae2f79331aa71750dc10f97f3cd0a16522f4fb0649813948245bd1b74c1
[INFO] running `"docker" "start" "-a" "74e54ae2f79331aa71750dc10f97f3cd0a16522f4fb0649813948245bd1b74c1"`
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling arrayvec v0.5.1
[INFO] [stderr]    Compiling shader_version v0.3.0
[INFO] [stderr]    Compiling piston-texture v0.6.0
[INFO] [stderr]    Compiling array v0.0.1
[INFO] [stderr]    Compiling strsim v0.5.2
[INFO] [stderr]    Compiling fps_counter v1.0.0
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling line_drawing v0.7.0
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling wayland-sys v0.21.13
[INFO] [stderr]    Compiling piston-viewport v0.5.0
[INFO] [stderr]    Compiling vecmath v0.3.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling zip v0.1.19
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling docopt v0.6.86
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling rusttype v0.8.1
[INFO] [stderr]    Compiling gfx_core v0.8.3
[INFO] [stderr]    Compiling wayland-commons v0.21.13
[INFO] [stderr]    Compiling quaternion v0.3.1
[INFO] [stderr]    Compiling piston3d-cam v0.3.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling image v0.21.3
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling camera_controllers v0.27.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_device_gl v0.15.5
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.35.0
[INFO] [stderr]    Compiling piston3d-gfx_voxel v0.27.0
[INFO] [stderr]    Compiling hematite v0.0.34 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/minecraft/nbt.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(try!(NbtReader::new(r).tag()).unwrap().0)
[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/minecraft/nbt.rs:187:19
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let len = try!(self.reader.read_u16::<BigEndian>()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |             try!(self.reader.read(&mut c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:198:19
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let len = try!(self.i32()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             try!(self.reader.read(&mut c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:211:19
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let len = try!(self.i32()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:214:20
[INFO] [stderr]     |
[INFO] [stderr] 214 |             v.push(try!(read(self)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 |         while let Some((v, name)) = try!(self.tag()) {
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:228:15
[INFO] [stderr]     |
[INFO] [stderr] 228 |         match try!(self.i8()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:230:28
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 assert_eq!(try!(self.i32()), 0);
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:249:18
[INFO] [stderr]     |
[INFO] [stderr] 249 |         Ok(match try!(self.i8()) {
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:252:28
[INFO] [stderr]     |
[INFO] [stderr] 252 |                 let name = try!(self.string());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:253:23
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 Some((try!(match tag_type {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:332:45
[INFO] [stderr]     |
[INFO] [stderr] 332 |         Err(ExpectedError("()".to_string(), try!(self.pop()).to_string()))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:346:15
[INFO] [stderr]     |
[INFO] [stderr] 346 |         match try!(self.pop()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:355:12
[INFO] [stderr]     |
[INFO] [stderr] 355 |         Ok(try!(self.read_isize()) as usize)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:359:12
[INFO] [stderr]     |
[INFO] [stderr] 359 |         Ok(try!(self.read_u8()) != 0)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let s = try!(self.read_str());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:391:26
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let name = match try!(self.pop()) {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:402:25
[INFO] [stderr]     |
[INFO] [stderr] 402 |                         try!(self.read_seq(|_, _| Ok(())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:441:21
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let value = try!(f(self));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:449:23
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let mut obj = try!(expect!(self, Nbt::Compound));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(f(self))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:505:25
[INFO] [stderr]     |
[INFO] [stderr] 505 |         let len = match try!(expect!(self, Nbt::List)) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:530:19
[INFO] [stderr]     |
[INFO] [stderr] 530 |         let obj = try!(expect!(self, Nbt::Compound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/minecraft/region.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mmap = try!(Mmap::open_path(filename, Protection::Read));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.35s
[INFO] running `"docker" "inspect" "74e54ae2f79331aa71750dc10f97f3cd0a16522f4fb0649813948245bd1b74c1"`
[INFO] running `"docker" "rm" "-f" "74e54ae2f79331aa71750dc10f97f3cd0a16522f4fb0649813948245bd1b74c1"`
[INFO] [stdout] 74e54ae2f79331aa71750dc10f97f3cd0a16522f4fb0649813948245bd1b74c1
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] f0f20d7edf8128c9364dacc0b939bd3d31c88c23d41b3cd87a525f9672812571
[INFO] running `"docker" "start" "-a" "f0f20d7edf8128c9364dacc0b939bd3d31c88c23d41b3cd87a525f9672812571"`
[INFO] [stderr]    Compiling hematite v0.0.34 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/minecraft/nbt.rs:88:12
[INFO] [stderr]    |
[INFO] [stderr] 88 |         Ok(try!(NbtReader::new(r).tag()).unwrap().0)
[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/minecraft/nbt.rs:187:19
[INFO] [stderr]     |
[INFO] [stderr] 187 |         let len = try!(self.reader.read_u16::<BigEndian>()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:191:13
[INFO] [stderr]     |
[INFO] [stderr] 191 |             try!(self.reader.read(&mut c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:198:19
[INFO] [stderr]     |
[INFO] [stderr] 198 |         let len = try!(self.i32()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:202:13
[INFO] [stderr]     |
[INFO] [stderr] 202 |             try!(self.reader.read(&mut c));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:211:19
[INFO] [stderr]     |
[INFO] [stderr] 211 |         let len = try!(self.i32()) as usize;
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:214:20
[INFO] [stderr]     |
[INFO] [stderr] 214 |             v.push(try!(read(self)))
[INFO] [stderr]     |                    ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:221:37
[INFO] [stderr]     |
[INFO] [stderr] 221 |         while let Some((v, name)) = try!(self.tag()) {
[INFO] [stderr]     |                                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:228:15
[INFO] [stderr]     |
[INFO] [stderr] 228 |         match try!(self.i8()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:230:28
[INFO] [stderr]     |
[INFO] [stderr] 230 |                 assert_eq!(try!(self.i32()), 0);
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:249:18
[INFO] [stderr]     |
[INFO] [stderr] 249 |         Ok(match try!(self.i8()) {
[INFO] [stderr]     |                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:252:28
[INFO] [stderr]     |
[INFO] [stderr] 252 |                 let name = try!(self.string());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:253:23
[INFO] [stderr]     |
[INFO] [stderr] 253 |                 Some((try!(match tag_type {
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:332:45
[INFO] [stderr]     |
[INFO] [stderr] 332 |         Err(ExpectedError("()".to_string(), try!(self.pop()).to_string()))
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:346:15
[INFO] [stderr]     |
[INFO] [stderr] 346 |         match try!(self.pop()) {
[INFO] [stderr]     |               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:355:12
[INFO] [stderr]     |
[INFO] [stderr] 355 |         Ok(try!(self.read_isize()) as usize)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:359:12
[INFO] [stderr]     |
[INFO] [stderr] 359 |         Ok(try!(self.read_u8()) != 0)
[INFO] [stderr]     |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:366:17
[INFO] [stderr]     |
[INFO] [stderr] 366 |         let s = try!(self.read_str());
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:391:26
[INFO] [stderr]     |
[INFO] [stderr] 391 |         let name = match try!(self.pop()) {
[INFO] [stderr]     |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:402:25
[INFO] [stderr]     |
[INFO] [stderr] 402 |                         try!(self.read_seq(|_, _| Ok(())));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:441:21
[INFO] [stderr]     |
[INFO] [stderr] 441 |         let value = try!(f(self));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:449:23
[INFO] [stderr]     |
[INFO] [stderr] 449 |         let mut obj = try!(expect!(self, Nbt::Compound));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:455:17
[INFO] [stderr]     |
[INFO] [stderr] 455 |                 try!(f(self))
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:505:25
[INFO] [stderr]     |
[INFO] [stderr] 505 |         let len = match try!(expect!(self, Nbt::List)) {
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/minecraft/nbt.rs:530:19
[INFO] [stderr]     |
[INFO] [stderr] 530 |         let obj = try!(expect!(self, Nbt::Compound));
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/minecraft/region.rs:35:20
[INFO] [stderr]    |
[INFO] [stderr] 35 |         let mmap = try!(Mmap::open_path(filename, Protection::Read));
[INFO] [stderr]    |                    ^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.40s
[INFO] running `"docker" "inspect" "f0f20d7edf8128c9364dacc0b939bd3d31c88c23d41b3cd87a525f9672812571"`
[INFO] running `"docker" "rm" "-f" "f0f20d7edf8128c9364dacc0b939bd3d31c88c23d41b3cd87a525f9672812571"`
[INFO] [stdout] f0f20d7edf8128c9364dacc0b939bd3d31c88c23d41b3cd87a525f9672812571
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 6a39455e9834a7ea2178a696fcf5d0f93072c5c5a38678d1f545072dbafdb30f
[INFO] running `"docker" "start" "-a" "6a39455e9834a7ea2178a696fcf5d0f93072c5c5a38678d1f545072dbafdb30f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/hematite-d61b8c3ddef4cd43
[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" "6a39455e9834a7ea2178a696fcf5d0f93072c5c5a38678d1f545072dbafdb30f"`
[INFO] running `"docker" "rm" "-f" "6a39455e9834a7ea2178a696fcf5d0f93072c5c5a38678d1f545072dbafdb30f"`
[INFO] [stdout] 6a39455e9834a7ea2178a696fcf5d0f93072c5c5a38678d1f545072dbafdb30f