[INFO] updating cached repository https://github.com/ozbe/xcallback
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 957cd0164f403d1babc749968d39ab4e93729b44
[INFO] testing ozbe/xcallback against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fozbe%2Fxcallback" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ozbe/xcallback on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ozbe/xcallback
[INFO] finished tweaking git repo https://github.com/ozbe/xcallback
[INFO] tweaked toml for git repo https://github.com/ozbe/xcallback written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/ozbe/xcallback already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daa6e6077c90674f0aa7536b3e33570ac41ddc6925803714036d0612c6eb1073
[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" "daa6e6077c90674f0aa7536b3e33570ac41ddc6925803714036d0612c6eb1073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daa6e6077c90674f0aa7536b3e33570ac41ddc6925803714036d0612c6eb1073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daa6e6077c90674f0aa7536b3e33570ac41ddc6925803714036d0612c6eb1073", kill_on_drop: false }`
[INFO] [stdout] daa6e6077c90674f0aa7536b3e33570ac41ddc6925803714036d0612c6eb1073
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fc12a94d1cdffd161bf5708f6dfb701181f7219b846f2ba3f303f8fded8927d
[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" "7fc12a94d1cdffd161bf5708f6dfb701181f7219b846f2ba3f303f8fded8927d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling objc v0.2.7
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling macos v0.1.0 (https://github.com/ozbe/webkitten?branch=x-callback-url#b140bc6e)
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/src/appkit.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[link(name = "AppKit", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/src/core_foundation.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[link(name = "CoreFoundation", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]  --> /opt/rustwide/cargo-home/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/src/core_services.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[link(name = "CoreServices", kind = "framework")]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/src/foundation.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[link(name = "Foundation", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/webkitten-b9a4216b2355a45d/b140bc6/macos/src/webkit.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[link(name = "WebKit", kind = "framework")]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0455`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `macos`.
[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" "7fc12a94d1cdffd161bf5708f6dfb701181f7219b846f2ba3f303f8fded8927d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc12a94d1cdffd161bf5708f6dfb701181f7219b846f2ba3f303f8fded8927d", kill_on_drop: false }`
[INFO] [stdout] 7fc12a94d1cdffd161bf5708f6dfb701181f7219b846f2ba3f303f8fded8927d