[INFO] updating cached repository andykilroy/bucktracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/andykilroy/bucktracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/andykilroy/bucktracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/bucktracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/bucktracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/andykilroy/bucktracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/bucktracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/bucktracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6da4053d7a9ac300b8d1af44ca9341e4c8c84794
[INFO] sha for GitHub repo andykilroy/bucktracer: 6da4053d7a9ac300b8d1af44ca9341e4c8c84794
[INFO] validating manifest of andykilroy/bucktracer 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 andykilroy/bucktracer 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 andykilroy/bucktracer
[INFO] finished frobbing andykilroy/bucktracer
[INFO] frobbed toml for andykilroy/bucktracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/bucktracer/Cargo.toml
[INFO] started frobbing andykilroy/bucktracer
[INFO] finished frobbing andykilroy/bucktracer
[INFO] frobbed toml for andykilroy/bucktracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/andykilroy/bucktracer/Cargo.toml
[INFO] crate andykilroy/bucktracer 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 andykilroy/bucktracer 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/bucktracer:/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] c9f63a86a3dca9528dfbed9b0243d6b23f6fbecc475105370699b157a28fdd91
[INFO] running `"docker" "start" "-a" "c9f63a86a3dca9528dfbed9b0243d6b23f6fbecc475105370699b157a28fdd91"`
[INFO] [stderr]    Compiling bucktracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:216:39
[INFO] [stderr]     |
[INFO] [stderr] 216 | pub fn encode_ppm(c: &Canvas, w: &mut Write) -> IOResult<()> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[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/lib.rs:224:42
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn encode_ppm_pixels(c: &Canvas, w: &mut Write, line_width: usize) -> IOResult<()> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::*`
[INFO] [stderr]    --> src/lib.rs:775:9
[INFO] [stderr]     |
[INFO] [stderr] 775 |     use crate::*;
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::f64::consts::*`
[INFO] [stderr]  --> src/bin/silhouette.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::f64::consts::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "c9f63a86a3dca9528dfbed9b0243d6b23f6fbecc475105370699b157a28fdd91"`
[INFO] running `"docker" "rm" "-f" "c9f63a86a3dca9528dfbed9b0243d6b23f6fbecc475105370699b157a28fdd91"`
[INFO] [stdout] c9f63a86a3dca9528dfbed9b0243d6b23f6fbecc475105370699b157a28fdd91
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/bucktracer:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 6f6ff87a6206a7351cf445ad4146b84bd275eafa915a6ba6854e8e6136b8eb11
[INFO] running `"docker" "start" "-a" "6f6ff87a6206a7351cf445ad4146b84bd275eafa915a6ba6854e8e6136b8eb11"`
[INFO] [stderr]    Compiling bucktracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::f64::consts::*`
[INFO] [stderr]  --> src/bin/silhouette.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::f64::consts::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:216:39
[INFO] [stderr]     |
[INFO] [stderr] 216 | pub fn encode_ppm(c: &Canvas, w: &mut Write) -> IOResult<()> {
[INFO] [stderr]     |                                       ^^^^^ help: use `dyn`: `dyn Write`
[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/lib.rs:224:42
[INFO] [stderr]     |
[INFO] [stderr] 224 | fn encode_ppm_pixels(c: &Canvas, w: &mut Write, line_width: usize) -> IOResult<()> {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:803:13
[INFO] [stderr]     |
[INFO] [stderr] 803 |         let mut cam = camera(
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:821:13
[INFO] [stderr]     |
[INFO] [stderr] 821 |         let mut cam = camera(
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:839:13
[INFO] [stderr]     |
[INFO] [stderr] 839 |         let mut cam = camera(
[INFO] [stderr]     |             ----^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "6f6ff87a6206a7351cf445ad4146b84bd275eafa915a6ba6854e8e6136b8eb11"`
[INFO] running `"docker" "rm" "-f" "6f6ff87a6206a7351cf445ad4146b84bd275eafa915a6ba6854e8e6136b8eb11"`
[INFO] [stdout] 6f6ff87a6206a7351cf445ad4146b84bd275eafa915a6ba6854e8e6136b8eb11
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/andykilroy/bucktracer:/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" "test" "--frozen"`
[INFO] [stdout] c8e39ab48365bb38ff6b2923ea90ca79b4d856baac890b7ef3397b35160fbe4d
[INFO] running `"docker" "start" "-a" "c8e39ab48365bb38ff6b2923ea90ca79b4d856baac890b7ef3397b35160fbe4d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bucktracer-c75d433fed56ad81
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test test::rays_to_lightsrc ... ok
[INFO] [stdout] test test::test_ray_trace ... ok
[INFO] [stdout] test test::pixel_index_to_point_in_space_zs ... ok
[INFO] [stdout] test test::pixel_index_to_point_in_space_xs ... ok
[INFO] [stdout] test test::pixel_index_to_point_in_space_ys ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/clock-218df6ab92a5d120
[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/crater/target/debug/deps/pathplot-46560292f9ed2900
[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/crater/target/debug/deps/silhouette-269f15974f158789
[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/crater/target/debug/deps/canvas-2b82677ed76a4ae0
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test colour_the_canvas ... ok
[INFO] [stdout] test create_a_canvas ... ok
[INFO] [stdout] test multiply_colours ... ok
[INFO] [stdout] test create_a_colour ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/matrices-12872756d5a7cf1f
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test create_4x4_matrix ... ok
[INFO] [stdout] test cofactors_of_3x3 ... ok
[INFO] [stdout] test determinant ... ok
[INFO] [stdout] test equality ... ok
[INFO] [stdout] test determinant_of_4x4 ... ok
[INFO] [stdout] test determinant_of_3x3 ... ok
[INFO] [stdout] test inverse ... ok
[INFO] [stdout] test matrix_mult ... ok
[INFO] [stdout] test inverse_2 ... ok
[INFO] [stdout] test inverse_4 ... ok
[INFO] [stdout] test minor_of_3x3 ... ok
[INFO] [stdout] test matrix_tuple_multiplication ... ok
[INFO] [stdout] test inverse_5 ... ok
[INFO] [stdout] test inverse_3 ... ok
[INFO] [stdout] test mult_by_identity ... ok
[INFO] [stdout] test mult_tuple_by_identity ... ok
[INFO] [stdout] test not_equal ... ok
[INFO] [stdout] test submatrix_of_4x4 ... ok
[INFO] [stdout] test submatrix_of_3x3 ... ok
[INFO] [stdout] test transpose ... ok
[INFO] [stdout] test test_for_invertibility ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/points-2923b77a35651596
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test almost_equal ... ok
[INFO] [stdout] test cross_product ... ok
[INFO] [stdout] test definitely_not_equal ... ok
[INFO] [stdout] test dot_product ... ok
[INFO] [stdout] test negation ... ok
[INFO] [stdout] test normalize ... ok
[INFO] [stdout] test scaling ... ok
[INFO] [stdout] test simple_point_creation ... ok
[INFO] [stdout] test test_addition ... ok
[INFO] [stdout] test magnitude ... ok
[INFO] [stdout] test test_subtraction ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ppm-d143c62f0229a16e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test print_ppm_header_for_empty_canvas ... ok
[INFO] [stdout] test print_ppm_output_with_clamping ... ok
[INFO] [stdout] test print_ppm_output_without_clamping ... ok
[INFO] [stdout] test print_ppm_output_max_70_chars_per_line ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rays-2086b7f9d5efe499
[INFO] [stdout] 
[INFO] [stdout] running 17 tests
[INFO] [stdout] test create_intersection ... ok
[INFO] [stdout] test calc_position ... ok
[INFO] [stdout] test create_ray ... ok
[INFO] [stdout] test finding_hits_when_all_intersections_have_negative_t ... ok
[INFO] [stdout] test finding_hits_always_the_lowest_non_negative_t ... ok
[INFO] [stdout] test finding_hits_when_some_intersections_have_negative_t ... ok
[INFO] [stdout] test finding_hits_when_t_values_are_positive ... ok
[INFO] [stdout] test intersect_translated_sphere_with_a_ray_hit ... ok
[INFO] [stdout] test intersect_scaled_sphere_with_a_ray ... ok
[INFO] [stdout] test ray_intersects_sphere ... ok
[INFO] [stdout] test ray_intersects_sphere_at_tangent ... ok
[INFO] [stdout] test ray_misses_sphere ... ok
[INFO] [stdout] test intersect_translated_sphere_with_a_ray_miss ... ok
[INFO] [stdout] test scaling_a_ray ... ok
[INFO] [stdout] test ray_originates_inside_sphere ... ok
[INFO] [stdout] test ray_originates_in_front_of_sphere ... ok
[INFO] [stdout] test translating_a_ray ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/spheres-6b0b7d252ec09d21
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test change_a_spheres_transform ... ok
[INFO] [stdout] test default_transformation_is_identity ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/transformations-6e72b868e14ee3fd
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test compose_transforms ... ok
[INFO] [stdout] test reflection_is_scaling_by_a_negative_value ... ok
[INFO] [stdout] test rotate_around_y_axis ... ok
[INFO] [stdout] test rotate_around_z_axis ... ok
[INFO] [stdout] test scaling_a_point ... ok
[INFO] [stdout] test scaling_a_vector ... ok
[INFO] [stdout] test multiply_by_inverse_of_a_scaling_matrix ... ok
[INFO] [stdout] test mult_by_inverse_translation ... ok
[INFO] [stdout] test rotate_around_x_axis ... ok
[INFO] [stdout] test translate ... ok
[INFO] [stdout] test translation_does_not_affect_vectors ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests bucktracer
[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" "c8e39ab48365bb38ff6b2923ea90ca79b4d856baac890b7ef3397b35160fbe4d"`
[INFO] running `"docker" "rm" "-f" "c8e39ab48365bb38ff6b2923ea90ca79b4d856baac890b7ef3397b35160fbe4d"`
[INFO] [stdout] c8e39ab48365bb38ff6b2923ea90ca79b4d856baac890b7ef3397b35160fbe4d