[INFO] cloning repository https://github.com/camjackson/rusteroids
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/camjackson/rusteroids" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Frusteroids", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Frusteroids'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7fad01b5340fd6d16a53ac21d715433a27eefe9
[INFO] checking camjackson/rusteroids against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcamjackson%2Frusteroids" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/camjackson/rusteroids 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/camjackson/rusteroids
[INFO] finished tweaking git repo https://github.com/camjackson/rusteroids
[INFO] tweaked toml for git repo https://github.com/camjackson/rusteroids written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/camjackson/rusteroids 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 47d0c6b99480b126af4a2f86d8d8642f3ec407aa2166782756c33e6115687d59
[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" "47d0c6b99480b126af4a2f86d8d8642f3ec407aa2166782756c33e6115687d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d0c6b99480b126af4a2f86d8d8642f3ec407aa2166782756c33e6115687d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d0c6b99480b126af4a2f86d8d8642f3ec407aa2166782756c33e6115687d59", kill_on_drop: false }`
[INFO] [stdout] 47d0c6b99480b126af4a2f86d8d8642f3ec407aa2166782756c33e6115687d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9aa982390790db5179e53e72a2701d9ed3882f8127b87fe8a7c112f6e6db9915
[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" "9aa982390790db5179e53e72a2701d9ed3882f8127b87fe8a7c112f6e6db9915", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]    Compiling ordermap v0.3.4
[INFO] [stderr]     Checking hamming v0.1.3
[INFO] [stderr]     Checking primal-estimate v0.2.1
[INFO] [stderr]     Checking allocators v0.1.0 (https://github.com/citybound/citybound#824b389b)
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking xdg v2.1.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling imgui-sys v0.0.15
[INFO] [stderr]     Checking chunky v0.1.0 (https://github.com/citybound/citybound#824b389b)
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/citybound-01a382b1dd62b125/824b389/engine/chunky/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(vec_resize_default)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/citybound-01a382b1dd62b125/824b389/engine/chunky/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chunky`
[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] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9aa982390790db5179e53e72a2701d9ed3882f8127b87fe8a7c112f6e6db9915", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa982390790db5179e53e72a2701d9ed3882f8127b87fe8a7c112f6e6db9915", kill_on_drop: false }`
[INFO] [stdout] 9aa982390790db5179e53e72a2701d9ed3882f8127b87fe8a7c112f6e6db9915