[INFO] updating cached repository jearbear/ray-tracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jearbear/ray-tracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jearbear/ray-tracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/jearbear/ray-tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jearbear/ray-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jearbear/ray-tracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jearbear/ray-tracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jearbear/ray-tracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 47b4ea64a6cf884674606c005c5dfdeba22ff93b
[INFO] sha for GitHub repo jearbear/ray-tracer: 47b4ea64a6cf884674606c005c5dfdeba22ff93b
[INFO] validating manifest of jearbear/ray-tracer 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 jearbear/ray-tracer 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 jearbear/ray-tracer
[INFO] finished frobbing jearbear/ray-tracer
[INFO] frobbed toml for jearbear/ray-tracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/jearbear/ray-tracer/Cargo.toml
[INFO] started frobbing jearbear/ray-tracer
[INFO] finished frobbing jearbear/ray-tracer
[INFO] frobbed toml for jearbear/ray-tracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jearbear/ray-tracer/Cargo.toml
[INFO] crate jearbear/ray-tracer 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 jearbear/ray-tracer 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-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jearbear/ray-tracer:/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] cc3a416d85ad7d0852f8ad3c5ac4f9a65d1e1620c331997d6077c6edba141c53
[INFO] running `"docker" "start" "-a" "cc3a416d85ad7d0852f8ad3c5ac4f9a65d1e1620c331997d6077c6edba141c53"`
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]  --> src/types.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `point_at`
[INFO] [stderr]    --> src/types.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn point_at(&self, t: f64) -> 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 1.69s
[INFO] running `"docker" "inspect" "cc3a416d85ad7d0852f8ad3c5ac4f9a65d1e1620c331997d6077c6edba141c53"`
[INFO] running `"docker" "rm" "-f" "cc3a416d85ad7d0852f8ad3c5ac4f9a65d1e1620c331997d6077c6edba141c53"`
[INFO] [stdout] cc3a416d85ad7d0852f8ad3c5ac4f9a65d1e1620c331997d6077c6edba141c53
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jearbear/ray-tracer:/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] 50fb62fe70aa453a21ef5beba9a81040c4f9248fbdc691514ac9841811990413
[INFO] running `"docker" "start" "-a" "50fb62fe70aa453a21ef5beba9a81040c4f9248fbdc691514ac9841811990413"`
[INFO] [stderr]    Compiling ray-tracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stderr]  --> src/types.rs:1:31
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::{Add, Div, Mul, Sub};
[INFO] [stderr]   |                               ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `point_at`
[INFO] [stderr]    --> src/types.rs:105:5
[INFO] [stderr]     |
[INFO] [stderr] 105 |     pub fn point_at(&self, t: f64) -> 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 0.95s
[INFO] running `"docker" "inspect" "50fb62fe70aa453a21ef5beba9a81040c4f9248fbdc691514ac9841811990413"`
[INFO] running `"docker" "rm" "-f" "50fb62fe70aa453a21ef5beba9a81040c4f9248fbdc691514ac9841811990413"`
[INFO] [stdout] 50fb62fe70aa453a21ef5beba9a81040c4f9248fbdc691514ac9841811990413
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/jearbear/ray-tracer:/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] 243ce0054f32c8ce5089835c92310b8d5717d4b340899d92f1e6e0001d3f7bcb
[INFO] running `"docker" "start" "-a" "243ce0054f32c8ce5089835c92310b8d5717d4b340899d92f1e6e0001d3f7bcb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ray_tracer-97af305bf52a4324
[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" "243ce0054f32c8ce5089835c92310b8d5717d4b340899d92f1e6e0001d3f7bcb"`
[INFO] running `"docker" "rm" "-f" "243ce0054f32c8ce5089835c92310b8d5717d4b340899d92f1e6e0001d3f7bcb"`
[INFO] [stdout] 243ce0054f32c8ce5089835c92310b8d5717d4b340899d92f1e6e0001d3f7bcb