[INFO] fetching crate iron-oxide 0.1.1...
[INFO] checking iron-oxide-0.1.1 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate iron-oxide 0.1.1 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate iron-oxide 0.1.1 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate iron-oxide 0.1.1
[INFO] finished tweaking crates.io crate iron-oxide 0.1.1
[INFO] tweaked toml for crates.io crate iron-oxide 0.1.1 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate iron-oxide 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7233123ca6421e18cb49d7bb7a5f82c83489971d304266d4a9edeaa01f5605cf
[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" "7233123ca6421e18cb49d7bb7a5f82c83489971d304266d4a9edeaa01f5605cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7233123ca6421e18cb49d7bb7a5f82c83489971d304266d4a9edeaa01f5605cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7233123ca6421e18cb49d7bb7a5f82c83489971d304266d4a9edeaa01f5605cf", kill_on_drop: false }`
[INFO] [stdout] 7233123ca6421e18cb49d7bb7a5f82c83489971d304266d4a9edeaa01f5605cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 176cc7742465aa53054f15779dc56fc5eeba81dccdb1cce83f1a02e553e788a3
[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" "176cc7742465aa53054f15779dc56fc5eeba81dccdb1cce83f1a02e553e788a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]     Checking downcast-rs v1.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking instant v0.1.3
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking objc v0.2.7
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling wayland-scanner v0.23.6
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking colog v1.0.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.23.6
[INFO] [stderr]    Compiling wayland-protocols v0.23.6
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking iron-oxide v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/device.rs:59:38
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub unsafe fn MTLCopyAllDevices() -> Vec<MTLDevice> {
[INFO] [stdout]    |               -----------------      ^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found `()`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::vec::Vec<device::MTLDevice>`
[INFO] [stdout]            found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `MacOS` found for enum `raw_window_handle::RawWindowHandle` in the current scope
[INFO] [stdout]   --> src/layer.rs:15:30
[INFO] [stdout]    |
[INFO] [stdout] 15 |             RawWindowHandle::MacOS(handle) => {
[INFO] [stdout]    |                              ^^^^^ variant or associated item not found in `raw_window_handle::RawWindowHandle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `iron-oxide`.
[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" "176cc7742465aa53054f15779dc56fc5eeba81dccdb1cce83f1a02e553e788a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "176cc7742465aa53054f15779dc56fc5eeba81dccdb1cce83f1a02e553e788a3", kill_on_drop: false }`
[INFO] [stdout] 176cc7742465aa53054f15779dc56fc5eeba81dccdb1cce83f1a02e553e788a3