[INFO] updating cached repository Fliskr/r-tinyraytracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Fliskr/r-tinyraytracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Fliskr/r-tinyraytracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/Fliskr/r-tinyraytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Fliskr/r-tinyraytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Fliskr/r-tinyraytracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fliskr/r-tinyraytracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fliskr/r-tinyraytracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3ef8ca1bf34ab4400f8c02dd123d679c7ca77d39
[INFO] sha for GitHub repo Fliskr/r-tinyraytracer: 3ef8ca1bf34ab4400f8c02dd123d679c7ca77d39
[INFO] validating manifest of Fliskr/r-tinyraytracer 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 Fliskr/r-tinyraytracer 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 Fliskr/r-tinyraytracer
[INFO] finished frobbing Fliskr/r-tinyraytracer
[INFO] frobbed toml for Fliskr/r-tinyraytracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/Fliskr/r-tinyraytracer/Cargo.toml
[INFO] started frobbing Fliskr/r-tinyraytracer
[INFO] finished frobbing Fliskr/r-tinyraytracer
[INFO] frobbed toml for Fliskr/r-tinyraytracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Fliskr/r-tinyraytracer/Cargo.toml
[INFO] crate Fliskr/r-tinyraytracer 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 Fliskr/r-tinyraytracer 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-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Fliskr/r-tinyraytracer:/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] 7967d775f153dc9361ed7768c710460674bb691edf8182d49c831051fbeccd79
[INFO] running `"docker" "start" "-a" "7967d775f153dc9361ed7768c710460674bb691edf8182d49c831051fbeccd79"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling byteorder v1.3.0
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling approx v0.3.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling alga v0.7.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling png v0.14.0
[INFO] [stderr]    Compiling nalgebra v0.16.13
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.16.13/src/base/cg.rs:291:44
[INFO] [stderr]     |
[INFO] [stderr] 291 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "7967d775f153dc9361ed7768c710460674bb691edf8182d49c831051fbeccd79"`
[INFO] running `"docker" "rm" "-f" "7967d775f153dc9361ed7768c710460674bb691edf8182d49c831051fbeccd79"`
[INFO] [stdout] 7967d775f153dc9361ed7768c710460674bb691edf8182d49c831051fbeccd79
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Fliskr/r-tinyraytracer:/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] 877f8e78e06b71bf7dc0c2bfefda019b24705b29a965e3653cd11e18b0884b03
[INFO] running `"docker" "start" "-a" "877f8e78e06b71bf7dc0c2bfefda019b24705b29a965e3653cd11e18b0884b03"`
[INFO] [stderr]    Compiling ray v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "877f8e78e06b71bf7dc0c2bfefda019b24705b29a965e3653cd11e18b0884b03"`
[INFO] running `"docker" "rm" "-f" "877f8e78e06b71bf7dc0c2bfefda019b24705b29a965e3653cd11e18b0884b03"`
[INFO] [stdout] 877f8e78e06b71bf7dc0c2bfefda019b24705b29a965e3653cd11e18b0884b03
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Fliskr/r-tinyraytracer:/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] b2b648caf8a5e40b975c1c5c210ba212ff2bca1b8e040964a9d21777155416ec
[INFO] running `"docker" "start" "-a" "b2b648caf8a5e40b975c1c5c210ba212ff2bca1b8e040964a9d21777155416ec"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/ray-e8ec55b59e98f153
[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" "b2b648caf8a5e40b975c1c5c210ba212ff2bca1b8e040964a9d21777155416ec"`
[INFO] running `"docker" "rm" "-f" "b2b648caf8a5e40b975c1c5c210ba212ff2bca1b8e040964a9d21777155416ec"`
[INFO] [stdout] b2b648caf8a5e40b975c1c5c210ba212ff2bca1b8e040964a9d21777155416ec