[INFO] fetching crate coremidi-sys 2.0.2...
[INFO] testing coremidi-sys-2.0.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate coremidi-sys 2.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate coremidi-sys 2.0.2 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 coremidi-sys 2.0.2
[INFO] finished tweaking crates.io crate coremidi-sys 2.0.2
[INFO] tweaked toml for crates.io crate coremidi-sys 2.0.2 written to /workspace/builds/worker-6/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-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" "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] 114fc4698690725a3439de05256fb46496799980ebcb4f3038c5053ceca96dd6
[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" "114fc4698690725a3439de05256fb46496799980ebcb4f3038c5053ceca96dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114fc4698690725a3439de05256fb46496799980ebcb4f3038c5053ceca96dd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114fc4698690725a3439de05256fb46496799980ebcb4f3038c5053ceca96dd6", kill_on_drop: false }`
[INFO] [stdout] 114fc4698690725a3439de05256fb46496799980ebcb4f3038c5053ceca96dd6
[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" "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] 054db0629ab50fd0c97bb18e1f30ade868ad769d6ddaaa6607b340ba17df12a0
[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" "054db0629ab50fd0c97bb18e1f30ade868ad769d6ddaaa6607b340ba17df12a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling coremidi-sys v2.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "054db0629ab50fd0c97bb18e1f30ade868ad769d6ddaaa6607b340ba17df12a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054db0629ab50fd0c97bb18e1f30ade868ad769d6ddaaa6607b340ba17df12a0", kill_on_drop: false }`
[INFO] [stdout] 054db0629ab50fd0c97bb18e1f30ade868ad769d6ddaaa6607b340ba17df12a0
[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" "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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6b6c46e2858128f22c37f0f55700f01ef7c7045de2203fb3e5c51d3b24d8dcb9
[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" "6b6c46e2858128f22c37f0f55700f01ef7c7045de2203fb3e5c51d3b24d8dcb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling coremidi-sys v2.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `MIDIGetNumberOfSources` in crate `cm`
[INFO] [stdout]  --> examples/print_midi_device_count.rs:5:33
[INFO] [stdout]   |
[INFO] [stdout] 5 |     let src: u64 = unsafe { cm::MIDIGetNumberOfSources() };
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^^^^^^^^^ not found in `cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function, tuple struct or tuple variant `MIDIGetNumberOfDestinations` in crate `cm`
[INFO] [stdout]  --> examples/print_midi_device_count.rs:6:34
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let dest: u64 = unsafe { cm::MIDIGetNumberOfDestinations() };
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in `cm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coremidi-sys`
[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" "6b6c46e2858128f22c37f0f55700f01ef7c7045de2203fb3e5c51d3b24d8dcb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b6c46e2858128f22c37f0f55700f01ef7c7045de2203fb3e5c51d3b24d8dcb9", kill_on_drop: false }`
[INFO] [stdout] 6b6c46e2858128f22c37f0f55700f01ef7c7045de2203fb3e5c51d3b24d8dcb9