[INFO] cloning repository https://github.com/osmarks/3d-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/osmarks/3d-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmarks%2F3d-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmarks%2F3d-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5390b1659647f64afd6caea8976bc6469d5cd84
[INFO] checking osmarks/3d-test against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fosmarks%2F3d-test" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/osmarks/3d-test 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/osmarks/3d-test
[INFO] finished tweaking git repo https://github.com/osmarks/3d-test
[INFO] tweaked toml for git repo https://github.com/osmarks/3d-test written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/osmarks/3d-test 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] d2e944f2fcfab5f60f1054dba6138ca4abef6eec155165057b4f5107a66bc585
[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" "d2e944f2fcfab5f60f1054dba6138ca4abef6eec155165057b4f5107a66bc585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2e944f2fcfab5f60f1054dba6138ca4abef6eec155165057b4f5107a66bc585", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e944f2fcfab5f60f1054dba6138ca4abef6eec155165057b4f5107a66bc585", kill_on_drop: false }`
[INFO] [stdout] d2e944f2fcfab5f60f1054dba6138ca4abef6eec155165057b4f5107a66bc585
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 49ce400f8627003e56d57679f7679426af4ca6a12bcf8f8b3dbcaa20ac1df484
[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" "49ce400f8627003e56d57679f7679426af4ca6a12bcf8f8b3dbcaa20ac1df484", kill_on_drop: false }`
[INFO] [stderr]     Checking num-traits v0.2.2
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling cc v1.0.10
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking luminance-windowing v0.1.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking semver v0.2.3
[INFO] [stderr]    Compiling cmake v0.1.30
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking glfw v0.20.0
[INFO] [stderr]     Checking luminance-glfw v0.4.3
[INFO] [stderr]     Checking luminance v0.25.7
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/luminance-0.25.7/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(const_fn)]
[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 `luminance`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "49ce400f8627003e56d57679f7679426af4ca6a12bcf8f8b3dbcaa20ac1df484", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49ce400f8627003e56d57679f7679426af4ca6a12bcf8f8b3dbcaa20ac1df484", kill_on_drop: false }`
[INFO] [stdout] 49ce400f8627003e56d57679f7679426af4ca6a12bcf8f8b3dbcaa20ac1df484