[INFO] updating cached repository https://github.com/martin-jw/rust-engine
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 39cc14fab3a9334cb4384dbb831729eaa00a3c2c
[INFO] checking martin-jw/rust-engine against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmartin-jw%2Frust-engine" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/martin-jw/rust-engine on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/martin-jw/rust-engine
[INFO] finished tweaking git repo https://github.com/martin-jw/rust-engine
[INFO] tweaked toml for git repo https://github.com/martin-jw/rust-engine written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/martin-jw/rust-engine already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 80b11314a9d829a123b05b28f1577ac7e02783f6176e1ecbdcf2ecd6183ccdd3
[INFO] running `"docker" "start" "-a" "80b11314a9d829a123b05b28f1577ac7e02783f6176e1ecbdcf2ecd6183ccdd3"`
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]     Checking memmap v0.6.2
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling x11-dl v2.18.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking approx v0.2.0
[INFO] [stderr]     Checking generic-array v0.11.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.20.10
[INFO] [stderr]     Checking alga v0.6.0
[INFO] [stderr]     Checking parking_lot v0.6.2
[INFO] [stderr]     Checking wayland-commons v0.20.10
[INFO] [stderr]    Compiling wayland-scanner v0.20.10
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling wayland-client v0.20.10
[INFO] [stderr]    Compiling wayland-protocols v0.20.10
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]     Checking nalgebra v0.15.3
[INFO] [stderr]     Checking smithay-client-toolkit v0.2.5
[INFO] [stderr]     Checking winit v0.16.2
[INFO] [stderr]     Checking rusteng v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected `,`, or `}`, found `entity_manager`
[INFO] [stderr]   --> src/core/mod.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     event_system: EventSystem
[INFO] [stderr]    |                              ^ help: try adding a comma: `,`
[INFO] [stderr] 
[INFO] [stderr] error: expected `,`, or `}`, found `entity_manager`
[INFO] [stderr]   --> src/core/mod.rs:18:27
[INFO] [stderr]    |
[INFO] [stderr] 18 |     event_system: EventSystem
[INFO] [stderr]    |                              ^ help: try adding a comma: `,`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(extern_prelude)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(extern_prelude)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rusteng`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `rusteng`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "80b11314a9d829a123b05b28f1577ac7e02783f6176e1ecbdcf2ecd6183ccdd3"`
[INFO] running `"docker" "rm" "-f" "80b11314a9d829a123b05b28f1577ac7e02783f6176e1ecbdcf2ecd6183ccdd3"`
[INFO] [stdout] 80b11314a9d829a123b05b28f1577ac7e02783f6176e1ecbdcf2ecd6183ccdd3