[INFO] updating cached repository ReinierMaas/PathTracer
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ReinierMaas/PathTracer
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ReinierMaas/PathTracer" "work/ex/beta-1.38-1/sources/1.37.0/gh/ReinierMaas/PathTracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ReinierMaas/PathTracer'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ReinierMaas/PathTracer" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ReinierMaas/PathTracer"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ReinierMaas/PathTracer'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 671e23f3a95108fa9d8417aa5fd7fa1080892463
[INFO] sha for GitHub repo ReinierMaas/PathTracer: 671e23f3a95108fa9d8417aa5fd7fa1080892463
[INFO] validating manifest of ReinierMaas/PathTracer 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 ReinierMaas/PathTracer 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 ReinierMaas/PathTracer
[INFO] finished frobbing ReinierMaas/PathTracer
[INFO] frobbed toml for ReinierMaas/PathTracer written to work/ex/beta-1.38-1/sources/1.37.0/gh/ReinierMaas/PathTracer/Cargo.toml
[INFO] started frobbing ReinierMaas/PathTracer
[INFO] finished frobbing ReinierMaas/PathTracer
[INFO] frobbed toml for ReinierMaas/PathTracer written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ReinierMaas/PathTracer/Cargo.toml
[INFO] crate ReinierMaas/PathTracer 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 ReinierMaas/PathTracer 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/ReinierMaas/PathTracer:/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] 3322deb2311d8c47c17f3daac823060b15f72eedc523ba8dd13d66ebd312f256
[INFO] running `"docker" "start" "-a" "3322deb2311d8c47c17f3daac823060b15f72eedc523ba8dd13d66ebd312f256"`
[INFO] [stderr]    Compiling spmc v0.2.1
[INFO] [stderr]    Compiling tobj v0.1.2
[INFO] [stderr]    Compiling memmap v0.5.0
[INFO] [stderr]    Compiling sdl2-sys v0.27.2
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling sdl2 v0.27.3
[INFO] [stderr]    Compiling pathtracer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(thread_local)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `f32` is imported redundantly
[INFO] [stderr]   --> src/primitive/sphere.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 4  | use std::f32;
[INFO] [stderr]    |     -------- the item `f32` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 99 |         use std::f32;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: Could not compile `pathtracer`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3322deb2311d8c47c17f3daac823060b15f72eedc523ba8dd13d66ebd312f256"`
[INFO] running `"docker" "rm" "-f" "3322deb2311d8c47c17f3daac823060b15f72eedc523ba8dd13d66ebd312f256"`
[INFO] [stdout] 3322deb2311d8c47c17f3daac823060b15f72eedc523ba8dd13d66ebd312f256