[INFO] updating cached repository johnomarkid/weekend-raytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/johnomarkid/weekend-raytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/johnomarkid/weekend-raytracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/johnomarkid/weekend-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/johnomarkid/weekend-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/johnomarkid/weekend-raytracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johnomarkid/weekend-raytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johnomarkid/weekend-raytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4f50d5111c6b014e3ea93d4e41bb896f3ca787e8
[INFO] sha for GitHub repo johnomarkid/weekend-raytracer: 4f50d5111c6b014e3ea93d4e41bb896f3ca787e8
[INFO] validating manifest of johnomarkid/weekend-raytracer 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 johnomarkid/weekend-raytracer 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 johnomarkid/weekend-raytracer
[INFO] finished frobbing johnomarkid/weekend-raytracer
[INFO] frobbed toml for johnomarkid/weekend-raytracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/johnomarkid/weekend-raytracer/Cargo.toml
[INFO] started frobbing johnomarkid/weekend-raytracer
[INFO] finished frobbing johnomarkid/weekend-raytracer
[INFO] frobbed toml for johnomarkid/weekend-raytracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/johnomarkid/weekend-raytracer/Cargo.toml
[INFO] crate johnomarkid/weekend-raytracer 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 johnomarkid/weekend-raytracer 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/johnomarkid/weekend-raytracer:/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] 453fdfec739ff46209747ad046611bedd0b5432675980a0c117884909acfd59b
[INFO] running `"docker" "start" "-a" "453fdfec739ff46209747ad046611bedd0b5432675980a0c117884909acfd59b"`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `point_at_parameter`
[INFO] [stderr]   --> src/vec.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn point_at_parameter(&self, t: f32) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "453fdfec739ff46209747ad046611bedd0b5432675980a0c117884909acfd59b"`
[INFO] running `"docker" "rm" "-f" "453fdfec739ff46209747ad046611bedd0b5432675980a0c117884909acfd59b"`
[INFO] [stdout] 453fdfec739ff46209747ad046611bedd0b5432675980a0c117884909acfd59b
[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/johnomarkid/weekend-raytracer:/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] 922800b83d17969c485b6e372bf2a7738943c186dbdbfc27cfa5b346d8964aea
[INFO] running `"docker" "start" "-a" "922800b83d17969c485b6e372bf2a7738943c186dbdbfc27cfa5b346d8964aea"`
[INFO] [stderr]    Compiling raytracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `point_at_parameter`
[INFO] [stderr]   --> src/vec.rs:92:5
[INFO] [stderr]    |
[INFO] [stderr] 92 |     fn point_at_parameter(&self, t: f32) -> Vec3 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "922800b83d17969c485b6e372bf2a7738943c186dbdbfc27cfa5b346d8964aea"`
[INFO] running `"docker" "rm" "-f" "922800b83d17969c485b6e372bf2a7738943c186dbdbfc27cfa5b346d8964aea"`
[INFO] [stdout] 922800b83d17969c485b6e372bf2a7738943c186dbdbfc27cfa5b346d8964aea
[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/johnomarkid/weekend-raytracer:/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] b81ea9c28c30db4d2feacb985e5696f3f4b90c825e8c1c2340fa2339e6174bfe
[INFO] running `"docker" "start" "-a" "b81ea9c28c30db4d2feacb985e5696f3f4b90c825e8c1c2340fa2339e6174bfe"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/raytracer-b1d2433fe778412c
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test vec::tests::prims ... ok
[INFO] [stdout] test vec::tests::test_length ... ok
[INFO] [stdout] test vec::tests::sq_length ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "b81ea9c28c30db4d2feacb985e5696f3f4b90c825e8c1c2340fa2339e6174bfe"`
[INFO] running `"docker" "rm" "-f" "b81ea9c28c30db4d2feacb985e5696f3f4b90c825e8c1c2340fa2339e6174bfe"`
[INFO] [stdout] b81ea9c28c30db4d2feacb985e5696f3f4b90c825e8c1c2340fa2339e6174bfe