[INFO] updating cached repository abusch/toyrt
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/abusch/toyrt
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/abusch/toyrt" "work/ex/beta-1.38-1/sources/1.37.0/gh/abusch/toyrt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/abusch/toyrt'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/abusch/toyrt" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abusch/toyrt"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abusch/toyrt'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0e43eee3721de3b121cc68a7f7d418b26c465386
[INFO] sha for GitHub repo abusch/toyrt: 0e43eee3721de3b121cc68a7f7d418b26c465386
[INFO] validating manifest of abusch/toyrt on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of abusch/toyrt on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing abusch/toyrt
[INFO] finished frobbing abusch/toyrt
[INFO] frobbed toml for abusch/toyrt written to work/ex/beta-1.38-1/sources/1.37.0/gh/abusch/toyrt/Cargo.toml
[INFO] started frobbing abusch/toyrt
[INFO] finished frobbing abusch/toyrt
[INFO] frobbed toml for abusch/toyrt written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/abusch/toyrt/Cargo.toml
[INFO] crate abusch/toyrt already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing abusch/toyrt against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/abusch/toyrt:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] b0bd7a3ed6c74cbcff1c1019e60f8c8e34df050b702ffcaac73030c8b85fc54e
[INFO] running `"docker" "start" "-a" "b0bd7a3ed6c74cbcff1c1019e60f8c8e34df050b702ffcaac73030c8b85fc54e"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr] warning: the cargo feature `rename-dependency` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling minifb v0.10.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling toyrt v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning[E0705]: the feature `rust_2018_preview` is included in the Rust 2018 edition
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rust_2018_preview)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(rust_2018_preview)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(core_intrinsics)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shape.rs:13:18
[INFO] [stderr]    |
[INFO] [stderr] 13 |     pub mat: Arc<Material>,
[INFO] [stderr]    |                  ^^^^^^^^ help: use `dyn`: `dyn Material`
[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/shape.rs:32:23
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub material: Arc<Material + Send + Sync>,
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shape.rs:36:43
[INFO] [stderr]    |
[INFO] [stderr] 36 |     pub fn new(radius: f32, material: Arc<Material + Send + Sync>) -> Sphere {
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shape.rs:84:19
[INFO] [stderr]    |
[INFO] [stderr] 84 |     material: Arc<Material + Send + Sync>,
[INFO] [stderr]    |                   ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/shape.rs:88:33
[INFO] [stderr]    |
[INFO] [stderr] 88 |     pub fn new(k: f32, mat: Arc<Material + Send + Sync>) -> Self {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/shape.rs:126:20
[INFO] [stderr]     |
[INFO] [stderr] 126 |     pub shape: Box<Shape + Send + Sync>,
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Shape + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/shape.rs:131:23
[INFO] [stderr]     |
[INFO] [stderr] 131 |     pub fn new(s: Box<Shape + Send + Sync>, t: Transform) -> TransformedShape {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Shape + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/shape.rs:150:25
[INFO] [stderr]     |
[INFO] [stderr] 150 |     pub shapes: Vec<Box<Shape + Send + Sync>>,
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Shape + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:89:21
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let ground: Arc<Material + Send + Sync> = Arc::new(Diffuse::new(vec3(0.8, 0.8, 0.0)));
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:90:22
[INFO] [stderr]    |
[INFO] [stderr] 90 |     let diffuse: Arc<Material + Send + Sync> = Arc::new(Diffuse::new(vec3(0.8, 0.3, 0.3)));
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:91:21
[INFO] [stderr]    |
[INFO] [stderr] 91 |     let mirror: Arc<Material + Send + Sync> = Arc::new(Mirror);
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Material + Send + Sync`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:115:23
[INFO] [stderr]     |
[INFO] [stderr] 115 | pub fn colour(shape: &Shape, r: &mut Ray, depth: u32) -> Vec3f {
[INFO] [stderr]     |                       ^^^^^ help: use `dyn`: `dyn Shape`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0554, E0705.
[INFO] [stderr] For more information about an error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `toyrt`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b0bd7a3ed6c74cbcff1c1019e60f8c8e34df050b702ffcaac73030c8b85fc54e"`
[INFO] running `"docker" "rm" "-f" "b0bd7a3ed6c74cbcff1c1019e60f8c8e34df050b702ffcaac73030c8b85fc54e"`
[INFO] [stdout] b0bd7a3ed6c74cbcff1c1019e60f8c8e34df050b702ffcaac73030c8b85fc54e