[INFO] updating cached repository sunreef/rust_sph
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sunreef/rust_sph
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sunreef/rust_sph" "work/ex/beta-1.38-1/sources/1.37.0/gh/sunreef/rust_sph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sunreef/rust_sph'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sunreef/rust_sph" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunreef/rust_sph"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunreef/rust_sph'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dcbbf6eba5dffd58d527fb277aea1c04ddcd9cac
[INFO] sha for GitHub repo sunreef/rust_sph: dcbbf6eba5dffd58d527fb277aea1c04ddcd9cac
[INFO] validating manifest of sunreef/rust_sph 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 sunreef/rust_sph 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 sunreef/rust_sph
[INFO] finished frobbing sunreef/rust_sph
[INFO] frobbed toml for sunreef/rust_sph written to work/ex/beta-1.38-1/sources/1.37.0/gh/sunreef/rust_sph/Cargo.toml
[INFO] started frobbing sunreef/rust_sph
[INFO] finished frobbing sunreef/rust_sph
[INFO] frobbed toml for sunreef/rust_sph written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunreef/rust_sph/Cargo.toml
[INFO] crate sunreef/rust_sph 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing sunreef/rust_sph against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sunreef/rust_sph:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] c763fb2fcddd89c56b90decaff9dc6f7645d41f4362a0f3094099660427add18
[INFO] running `"docker" "start" "-a" "c763fb2fcddd89c56b90decaff9dc6f7645d41f4362a0f3094099660427add18"`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.12.5
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling wayland-kbd v0.13.1
[INFO] [stderr]    Compiling wayland-window v0.13.3
[INFO] [stderr]    Compiling winit v0.12.0
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling glutin v0.14.0
[INFO] [stderr]    Compiling pistoncore-window v0.32.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.37.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.47.0
[INFO] [stderr]    Compiling piston v0.37.0
[INFO] [stderr]    Compiling piston_window v0.80.0
[INFO] [stderr]    Compiling sph_simulation v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(unboxed_closures, fn_traits)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston_window::math::*`
[INFO] [stderr]  --> src/traits.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use piston_window::math::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Div`, `Mul`
[INFO] [stderr]  --> src/point.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ops::{Add, Sub, Mul, Div, Index, IndexMut};
[INFO] [stderr]   |                          ^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ops::FnOnce`
[INFO] [stderr]  --> src/kernel.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::ops::FnOnce;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston_window::math::*`
[INFO] [stderr]  --> src/particle.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use piston_window::math::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rand::*`
[INFO] [stderr]  --> src/particle.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::*;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `time::PreciseTime`
[INFO] [stderr]  --> src/world.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use time::PreciseTime;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston_window::math::*`
[INFO] [stderr]  --> src/world.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use piston_window::math::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `point::Point2d`
[INFO] [stderr]  --> src/grid.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use point::Point2d;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[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 `sph_simulation`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c763fb2fcddd89c56b90decaff9dc6f7645d41f4362a0f3094099660427add18"`
[INFO] running `"docker" "rm" "-f" "c763fb2fcddd89c56b90decaff9dc6f7645d41f4362a0f3094099660427add18"`
[INFO] [stdout] c763fb2fcddd89c56b90decaff9dc6f7645d41f4362a0f3094099660427add18