[INFO] updating cached repository thubie/ray-tracing-in-one-weekend
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/thubie/ray-tracing-in-one-weekend
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/thubie/ray-tracing-in-one-weekend" "work/ex/beta-1.37-6/sources/1.36.0/gh/thubie/ray-tracing-in-one-weekend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/thubie/ray-tracing-in-one-weekend'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/thubie/ray-tracing-in-one-weekend" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thubie/ray-tracing-in-one-weekend"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thubie/ray-tracing-in-one-weekend'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6533508ca96dfc6106d6b1bf3f3f5f6684f10705
[INFO] sha for GitHub repo thubie/ray-tracing-in-one-weekend: 6533508ca96dfc6106d6b1bf3f3f5f6684f10705
[INFO] validating manifest of thubie/ray-tracing-in-one-weekend on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of thubie/ray-tracing-in-one-weekend on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing thubie/ray-tracing-in-one-weekend
[INFO] finished frobbing thubie/ray-tracing-in-one-weekend
[INFO] frobbed toml for thubie/ray-tracing-in-one-weekend written to work/ex/beta-1.37-6/sources/1.36.0/gh/thubie/ray-tracing-in-one-weekend/Cargo.toml
[INFO] started frobbing thubie/ray-tracing-in-one-weekend
[INFO] finished frobbing thubie/ray-tracing-in-one-weekend
[INFO] frobbed toml for thubie/ray-tracing-in-one-weekend written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thubie/ray-tracing-in-one-weekend/Cargo.toml
[INFO] crate thubie/ray-tracing-in-one-weekend already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing thubie/ray-tracing-in-one-weekend against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thubie/ray-tracing-in-one-weekend:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 68f2d985d37c0ee3a2bbfb03206f543152799c3fa19366c6f571d3c6c00e450c
[INFO] running `"docker" "start" "-a" "68f2d985d37c0ee3a2bbfb03206f543152799c3fa19366c6f571d3c6c00e450c"`
[INFO] [stderr]    Compiling minifb v0.10.3
[INFO] [stderr]    Compiling cgmath v0.15.0
[INFO] [stderr]    Compiling x11-dl v2.14.0
[INFO] [stderr]    Compiling raytracing_one_weeked v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `set_red_channel_value`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn set_red_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_green_channel_value`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn set_green_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_blue_channel_value`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn set_blue_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_alpha_channel_value`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn set_alpha_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `"docker" "inspect" "68f2d985d37c0ee3a2bbfb03206f543152799c3fa19366c6f571d3c6c00e450c"`
[INFO] running `"docker" "rm" "-f" "68f2d985d37c0ee3a2bbfb03206f543152799c3fa19366c6f571d3c6c00e450c"`
[INFO] [stdout] 68f2d985d37c0ee3a2bbfb03206f543152799c3fa19366c6f571d3c6c00e450c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thubie/ray-tracing-in-one-weekend:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] cff6653f8c9d2f6575083eebba7e6bff98d613c837189dd1254b46a602e0794e
[INFO] running `"docker" "start" "-a" "cff6653f8c9d2f6575083eebba7e6bff98d613c837189dd1254b46a602e0794e"`
[INFO] [stderr]    Compiling raytracing_one_weeked v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `set_red_channel_value`
[INFO] [stderr]   --> src/main.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn set_red_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_green_channel_value`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     fn set_green_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_blue_channel_value`
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn set_blue_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_alpha_channel_value`
[INFO] [stderr]   --> src/main.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn set_alpha_channel_value(&mut self, value: u8) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "cff6653f8c9d2f6575083eebba7e6bff98d613c837189dd1254b46a602e0794e"`
[INFO] running `"docker" "rm" "-f" "cff6653f8c9d2f6575083eebba7e6bff98d613c837189dd1254b46a602e0794e"`
[INFO] [stdout] cff6653f8c9d2f6575083eebba7e6bff98d613c837189dd1254b46a602e0794e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/thubie/ray-tracing-in-one-weekend:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 568c6930f7d68696cd1473bd754d8f9c0c1f2634388f6f71da4d7ac136f51b6b
[INFO] running `"docker" "start" "-a" "568c6930f7d68696cd1473bd754d8f9c0c1f2634388f6f71da4d7ac136f51b6b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/raytracing_one_weeked-456ae1068bf97387
[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" "568c6930f7d68696cd1473bd754d8f9c0c1f2634388f6f71da4d7ac136f51b6b"`
[INFO] running `"docker" "rm" "-f" "568c6930f7d68696cd1473bd754d8f9c0c1f2634388f6f71da4d7ac136f51b6b"`
[INFO] [stdout] 568c6930f7d68696cd1473bd754d8f9c0c1f2634388f6f71da4d7ac136f51b6b