[INFO] fetching crate nightshift 0.0.5-pre...
[INFO] testing nightshift-0.0.5-pre against 1.49.0 for beta-1.50-1
[INFO] extracting crate nightshift 0.0.5-pre into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nightshift 0.0.5-pre on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nightshift 0.0.5-pre
[INFO] finished tweaking crates.io crate nightshift 0.0.5-pre
[INFO] tweaked toml for crates.io crate nightshift 0.0.5-pre written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1b2cafddb138bef93089384ab26771bce36df1ab010021e23bf80bb994cd44a5
[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" "1b2cafddb138bef93089384ab26771bce36df1ab010021e23bf80bb994cd44a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2cafddb138bef93089384ab26771bce36df1ab010021e23bf80bb994cd44a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2cafddb138bef93089384ab26771bce36df1ab010021e23bf80bb994cd44a5", kill_on_drop: false }`
[INFO] [stdout] 1b2cafddb138bef93089384ab26771bce36df1ab010021e23bf80bb994cd44a5
[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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf9f9d35c36624dfd583c0a3761d61e2828cdebab4a454e5678ee488992c5d99
[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" "bf9f9d35c36624dfd583c0a3761d61e2828cdebab4a454e5678ee488992c5d99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nightlight v0.0.5
[INFO] [stderr]    Compiling nightshift v0.0.5-pre (/opt/rustwide/workdir)
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/nightlight-0.0.5/src/ffi.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[link(name = "CoreBrightness", kind = "framework")]
[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 E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nightlight`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "bf9f9d35c36624dfd583c0a3761d61e2828cdebab4a454e5678ee488992c5d99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf9f9d35c36624dfd583c0a3761d61e2828cdebab4a454e5678ee488992c5d99", kill_on_drop: false }`
[INFO] [stdout] bf9f9d35c36624dfd583c0a3761d61e2828cdebab4a454e5678ee488992c5d99