[INFO] cloning repository https://github.com/jeremyBanks/grouse
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremyBanks/grouse" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremyBanks%2Fgrouse", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremyBanks%2Fgrouse'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0646286f4ddb17e50fcad413c5880821953e086
[INFO] checking jeremyBanks/grouse against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FjeremyBanks%2Fgrouse" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremyBanks/grouse on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jeremyBanks/grouse
[INFO] finished tweaking git repo https://github.com/jeremyBanks/grouse
[INFO] tweaked toml for git repo https://github.com/jeremyBanks/grouse written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremyBanks/grouse already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fd87b66027ddd77f0947c5b652ebdf2556d6a737e43b8739faffe4d497cb761
[INFO] running `Command { std: "docker" "start" "-a" "7fd87b66027ddd77f0947c5b652ebdf2556d6a737e43b8739faffe4d497cb761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fd87b66027ddd77f0947c5b652ebdf2556d6a737e43b8739faffe4d497cb761", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fd87b66027ddd77f0947c5b652ebdf2556d6a737e43b8739faffe4d497cb761", kill_on_drop: false }`
[INFO] [stdout] 7fd87b66027ddd77f0947c5b652ebdf2556d6a737e43b8739faffe4d497cb761
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f514338a453ebd386acdbd49ce3bbfc54f04eee50d743356dc4f59f676ee66
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "42f514338a453ebd386acdbd49ce3bbfc54f04eee50d743356dc4f59f676ee66", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]     Checking piston-texture v0.7.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking getrandom v0.1.11
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking gfx_core v0.8.3
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking rusttype v0.7.7
[INFO] [stderr]     Checking alga v0.9.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking wayland-client v0.21.13
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking piston2d-graphics v0.34.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking rayon-core v1.6.0
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking wayland-protocols v0.21.13
[INFO] [stderr]     Checking nalgebra v0.18.1
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking gfx v0.17.1
[INFO] [stderr]     Checking image v0.22.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling getset v0.0.8
[INFO] [stderr]     Checking winit v0.19.3
[INFO] [stderr]     Checking gfx_device_gl v0.15.5
[INFO] [stderr]     Checking piston-gfx_texture v0.38.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.64.0
[INFO] [stderr]     Checking glutin v0.21.1
[INFO] [stderr]     Checking pistoncore-input v0.28.0
[INFO] [stderr]     Checking pistoncore-window v0.44.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.49.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.63.0
[INFO] [stderr]     Checking piston v0.49.0
[INFO] [stderr]     Checking piston_window v0.103.0
[INFO] [stderr]     Checking grouse v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_float)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(duration_float)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grouse`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "42f514338a453ebd386acdbd49ce3bbfc54f04eee50d743356dc4f59f676ee66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f514338a453ebd386acdbd49ce3bbfc54f04eee50d743356dc4f59f676ee66", kill_on_drop: false }`
[INFO] [stdout] 42f514338a453ebd386acdbd49ce3bbfc54f04eee50d743356dc4f59f676ee66