[INFO] fetching crate image-capture-core 0.1.5...
[INFO] checking image-capture-core-0.1.5 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate image-capture-core 0.1.5 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate image-capture-core 0.1.5 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate image-capture-core 0.1.5
[INFO] finished tweaking crates.io crate image-capture-core 0.1.5
[INFO] tweaked toml for crates.io crate image-capture-core 0.1.5 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate image-capture-core 0.1.5 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cocoa v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 571ed03ac06f0e4870f750f9aa09407b9a8f18e98b405296ec1bba667c0e066d
[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" "571ed03ac06f0e4870f750f9aa09407b9a8f18e98b405296ec1bba667c0e066d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "571ed03ac06f0e4870f750f9aa09407b9a8f18e98b405296ec1bba667c0e066d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "571ed03ac06f0e4870f750f9aa09407b9a8f18e98b405296ec1bba667c0e066d", kill_on_drop: false }`
[INFO] [stdout] 571ed03ac06f0e4870f750f9aa09407b9a8f18e98b405296ec1bba667c0e066d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2d7670951ab01e2363b2aa3c812c8c3c13358798ad14fb9364dc8c7b43ea26c
[INFO] running `Command { std: "docker" "start" "-a" "a2d7670951ab01e2363b2aa3c812c8c3c13358798ad14fb9364dc8c7b43ea26c", kill_on_drop: false }`
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking objc v0.2.6
[INFO] [stderr]     Checking image-capture-core v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `cocoa`
[INFO] [stdout]  --> examples/list_devices.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate cocoa;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^ can't find crate
[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 E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `image-capture-core`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a2d7670951ab01e2363b2aa3c812c8c3c13358798ad14fb9364dc8c7b43ea26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2d7670951ab01e2363b2aa3c812c8c3c13358798ad14fb9364dc8c7b43ea26c", kill_on_drop: false }`
[INFO] [stdout] a2d7670951ab01e2363b2aa3c812c8c3c13358798ad14fb9364dc8c7b43ea26c