[INFO] cloning repository blargg/rust-tracer
[INFO] running `"git" "clone" "--bare" "git://github.com/blargg/rust-tracer.git" "work/cache/sources/gh/blargg/rust-tracer"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/blargg/rust-tracer'...
[INFO] running `"git" "clone" "work/cache/sources/gh/blargg/rust-tracer" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blargg/rust-tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blargg/rust-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/blargg/rust-tracer" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blargg/rust-tracer"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blargg/rust-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fc8ca0d165ea56691329d754117d178b5245dc28
[INFO] sha for GitHub repo blargg/rust-tracer: fc8ca0d165ea56691329d754117d178b5245dc28
[INFO] validating manifest of blargg/rust-tracer on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of blargg/rust-tracer on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing blargg/rust-tracer
[INFO] finished frobbing blargg/rust-tracer
[INFO] frobbed toml for blargg/rust-tracer written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/blargg/rust-tracer/Cargo.toml
[INFO] started frobbing blargg/rust-tracer
[INFO] finished frobbing blargg/rust-tracer
[INFO] frobbed toml for blargg/rust-tracer written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blargg/rust-tracer/Cargo.toml
[INFO] crate blargg/rust-tracer already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking blargg/rust-tracer against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-1/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/blargg/rust-tracer:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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=forbid" "-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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 47db5a7d541c5b3738292d1fdc64ae6fcc624fc09b8d310b607c8c623b8c7ffa
[INFO] running `"docker" "start" "-a" "47db5a7d541c5b3738292d1fdc64ae6fcc624fc09b8d310b607c8c623b8c7ffa"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking alga v0.9.0
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking proptest v0.9.2
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking rust-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `super::plane::Plane`
[INFO] [stderr]  --> src/render/triangle.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use super::plane::Plane;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]  --> <::proptest::sugar::prop_compose macros>:9:58
[INFO] [stderr]   |
[INFO] [stderr] 4 | $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) ? ) -> $ return_type : ty $
[INFO] [stderr]   |                                          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 9 | let strat = $ crate :: proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) ;
[INFO] [stderr]   |                                                          ^^^^^^^^^^   - conflicting repetition
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[deny(meta_variable_misuse)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:11:64
[INFO] [stderr]    |
[INFO] [stderr] 4  | $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) ? ) -> $ return_type : ty $
[INFO] [stderr]    |                                          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 11 | strat , move | $ crate :: proptest_helper ! ( @ _WRAPPAT ( $ ( $ var ) , * ) )
[INFO] [stderr]    |                                                                ^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:21:58
[INFO] [stderr]    |
[INFO] [stderr] 15 | $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) ? ) (
[INFO] [stderr]    |                                          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 21 | let strat = $ crate :: proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) ;
[INFO] [stderr]    |                                                          ^^^^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:23:64
[INFO] [stderr]    |
[INFO] [stderr] 15 | $ ( $ var : pat in $ strategy : expr ) , + $ ( , ) ? ) (
[INFO] [stderr]    |                                          - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 23 | strat , move | $ crate :: proptest_helper ! ( @ _WRAPPAT ( $ ( $ var ) , * ) )
[INFO] [stderr]    |                                                                ^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:24:48
[INFO] [stderr]    |
[INFO] [stderr] 16 | $ ( $ var2 : pat in $ strategy2 : expr ) , + $ ( , ) ? ) -> $ return_type : ty
[INFO] [stderr]    |                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 24 | | $ crate :: proptest_helper ! ( @ _WRAP ( $ ( $ strategy2 ) * ) ) ) ; $ crate
[INFO] [stderr]    |                                                ^^^^^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:26:64
[INFO] [stderr]    |
[INFO] [stderr] 16 | $ ( $ var2 : pat in $ strategy2 : expr ) , + $ ( , ) ? ) -> $ return_type : ty
[INFO] [stderr]    |                                            - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 26 | strat , move | $ crate :: proptest_helper ! ( @ _WRAPPAT ( $ ( $ var2 ) , * )
[INFO] [stderr]    |                                                                ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: unknown macro variable `strategy`
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:44:58
[INFO] [stderr]    |
[INFO] [stderr] 44 | let strat = $ crate :: proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) ;
[INFO] [stderr]    |                                                          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:47:54
[INFO] [stderr]    |
[INFO] [stderr] 40 | $ ( $ arg2 : tt ) + $ ( , ) ? ) -> $ return_type : ty $ body : block ) => {
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 47 | | $ crate :: proptest_helper ! ( @ _EXT _STRAT ( $ ( $ arg2 ) * ) ) ) ; $
[INFO] [stderr]    |                                                      ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]   --> <::proptest::sugar::prop_compose macros>:49:65
[INFO] [stderr]    |
[INFO] [stderr] 40 | $ ( $ arg2 : tt ) + $ ( , ) ? ) -> $ return_type : ty $ body : block ) => {
[INFO] [stderr]    |                   - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 49 | strat , move | $ crate :: proptest_helper ! ( @ _EXT _PAT ( $ ( $ arg2 ) * ) )
[INFO] [stderr]    |                                                                 ^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::proptest::sugar::proptest_helper macros>:111:38
[INFO] [stderr]     |
[INFO] [stderr] 106 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [
[INFO] [stderr]     |                                                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 111 | proptest_helper ! ( @ _WRAPSTR ( $ ( $ parm ) , * ) ) ; match runner . run (
[INFO] [stderr]     |                                      ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::proptest::sugar::proptest_helper macros>:113:46
[INFO] [stderr]     |
[INFO] [stderr] 106 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [
[INFO] [stderr]     |                                                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 113 | $ crate :: proptest_helper ! ( @ _WRAP ( $ ( $ strategy ) * ) ) , | values | $
[INFO] [stderr]     |                                              ^^^^^^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::proptest::sugar::proptest_helper macros>:116:53
[INFO] [stderr]     |
[INFO] [stderr] 106 | @ _BODY $ config : ident ( $ ( $ parm : pat in $ strategy : expr ) , + ) [
[INFO] [stderr]     |                                                                      - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 116 | _ , $ crate :: proptest_helper ! ( @ _WRAPPAT ( $ ( $ parm ) , * ) ) ) | {
[INFO] [stderr]     |                                                     ^^^^^^     - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::proptest::sugar::proptest_helper macros>:124:39
[INFO] [stderr]     |
[INFO] [stderr] 119 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body
[INFO] [stderr]     |                                              - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 124 | proptest_helper ! ( @ _EXT _STR ( $ ( $ arg ) * ) ) ; match runner . run (
[INFO] [stderr]     |                                       ^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::proptest::sugar::proptest_helper macros>:126:52
[INFO] [stderr]     |
[INFO] [stderr] 119 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body
[INFO] [stderr]     |                                              - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 126 | $ crate :: proptest_helper ! ( @ _EXT _STRAT ( $ ( $ arg ) * ) ) , | values |
[INFO] [stderr]     |                                                    ^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] error: meta-variable repeats with different Kleene operator
[INFO] [stderr]    --> <::proptest::sugar::proptest_helper macros>:129:54
[INFO] [stderr]     |
[INFO] [stderr] 119 | @ _BODY2 $ config : ident ( $ ( $ arg : tt ) + ) [ $ ( $ mod : tt ) * ] $ body
[INFO] [stderr]     |                                              - expected repetition
[INFO] [stderr] ...
[INFO] [stderr] 129 | _ , $ crate :: proptest_helper ! ( @ _EXT _PAT ( $ ( $ arg ) * ) ) ) | {
[INFO] [stderr]     |                                                      ^^^^^   - conflicting repetition
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/render/ray.rs:75:54
[INFO] [stderr]    |
[INFO] [stderr] 75 |             let r: Ray<f64> = Ray::new_normalize(v0, (point - v0));
[INFO] [stderr]    |                                                      ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::number::*`
[INFO] [stderr]   --> src/render/renderable.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     use crate::number::*;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `EPSILON_64`
[INFO] [stderr]  --> src/number.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub const EPSILON_64: f64 = 0.00001;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Plane`
[INFO] [stderr]  --> src/render/plane.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | pub struct Plane<T: Scalar> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]  --> src/render/plane.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     pub fn new(normal: Vector3<T>, dist: T) -> Plane<T> {
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new_at_point`
[INFO] [stderr]   --> src/render/plane.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     pub fn new_at_point(position: Point3<T>, normal: Vector3<T>) -> Plane<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `distance_to`
[INFO] [stderr]   --> src/render/plane.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn distance_to(&self, point: Point3<T>) -> T {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/render/ray.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     pub fn new(origin: Point3<T>, direction: UnitVec3<T>) -> Ray<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `closest_point`
[INFO] [stderr]   --> src/render/ray.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     pub fn closest_point(&self, p: Point3<T>) -> Point3<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `position`
[INFO] [stderr]   --> src/render/shape.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     position: Point3<T>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `normal`
[INFO] [stderr]   --> src/render/shape.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     normal: Vector3<T>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Sphere`
[INFO] [stderr]  --> src/render/sphere.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub struct Sphere<T: Scalar> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/render/sphere.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     pub fn new(center: Point3<T>, radius: T) -> Sphere<T> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 15 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust-tracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "47db5a7d541c5b3738292d1fdc64ae6fcc624fc09b8d310b607c8c623b8c7ffa"`
[INFO] running `"docker" "rm" "-f" "47db5a7d541c5b3738292d1fdc64ae6fcc624fc09b8d310b607c8c623b8c7ffa"`
[INFO] [stdout] 47db5a7d541c5b3738292d1fdc64ae6fcc624fc09b8d310b607c8c623b8c7ffa