[INFO] fetching crate dart-sys 2.0.1...
[INFO] checking dart-sys-2.0.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate dart-sys 2.0.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dart-sys 2.0.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dart-sys 2.0.1
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dart-sys 2.0.1
[INFO] tweaked toml for crates.io crate dart-sys 2.0.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate dart-sys 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f191d42e75dd7286ceb985699c87a5d0a6c6bea3dd90cb3fbda6727e089b275e
[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" "f191d42e75dd7286ceb985699c87a5d0a6c6bea3dd90cb3fbda6727e089b275e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f191d42e75dd7286ceb985699c87a5d0a6c6bea3dd90cb3fbda6727e089b275e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f191d42e75dd7286ceb985699c87a5d0a6c6bea3dd90cb3fbda6727e089b275e", kill_on_drop: false }`
[INFO] [stdout] f191d42e75dd7286ceb985699c87a5d0a6c6bea3dd90cb3fbda6727e089b275e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de7929f2dab992c812be1249a59e2b4856792702d4b709777e164197c6cf3951
[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" "de7929f2dab992c812be1249a59e2b4856792702d4b709777e164197c6cf3951", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling dart-sys v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> examples/async.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | / unsafe extern fn dart_rust_async_ffi_Init(parent_library: ffi::Dart_Handle) -> ffi::Dart_Handle {
[INFO] [stdout] 16 | |     if ffi::Dart_IsError(parent_library) {
[INFO] [stdout] 17 | |         return parent_library;
[INFO] [stdout] 18 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 26 | |     }
[INFO] [stdout] 27 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> examples/async.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | / unsafe extern fn ResloveName(name: ffi::Dart_Handle, _argc: std::os::raw::c_int, _auto_setup_scope: *mut bool) -> ffi::Dart_NativeFunction {
[INFO] [stdout] 32 | |     if !ffi::Dart_IsString(name) {
[INFO] [stdout] 33 | |         return None;
[INFO] [stdout] 34 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 46 | |     result
[INFO] [stdout] 47 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> examples/async.rs:51:1
[INFO] [stdout]    |
[INFO] [stdout] 51 | / unsafe extern fn HandleError(handle: ffi::Dart_Handle) -> ffi::Dart_Handle {
[INFO] [stdout] 52 | |     if ffi::Dart_IsError(handle) {
[INFO] [stdout] 53 | |         ffi::Dart_PropagateError(handle);
[INFO] [stdout] 54 | |     }
[INFO] [stdout] 55 | |     handle
[INFO] [stdout] 56 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> examples/async.rs:73:1
[INFO] [stdout]     |
[INFO] [stdout] 73  | / unsafe extern fn wrapped_random_array(_dest_port_id: ffi::Dart_Port,
[INFO] [stdout] 74  | |                                       message: *mut ffi::Dart_CObject) {
[INFO] [stdout] 75  | |
[INFO] [stdout] 76  | |     let reply_port_id;
[INFO] [stdout] ...   |
[INFO] [stdout] 121 | |     std::process::abort();
[INFO] [stdout] 122 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> examples/async.rs:125:1
[INFO] [stdout]     |
[INFO] [stdout] 125 | / unsafe extern fn randomArrayServicePort(arguments: ffi::Dart_NativeArguments) {
[INFO] [stdout] 126 | |     ffi::Dart_EnterScope();
[INFO] [stdout] 127 | |     ffi::Dart_SetReturnValue(arguments, ffi::Dart_Null());
[INFO] [stdout] 128 | |     let service_port = ffi::Dart_NewNativePort(b"RandomArrayService\0".as_ptr() as *const _, Some(wrapped_random_array), true);
[INFO] [stdout] ...   |
[INFO] [stdout] 133 | |     ffi::Dart_ExitScope();
[INFO] [stdout] 134 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> examples/sync.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | / unsafe extern fn dart_rust_ffi_Init(parent_library: ffi::Dart_Handle) -> ffi::Dart_Handle {
[INFO] [stdout] 25 | |     if ffi::Dart_IsError(parent_library) {
[INFO] [stdout] 26 | |         return parent_library;
[INFO] [stdout] 27 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 35 | |     }
[INFO] [stdout] 36 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> examples/sync.rs:38:1
[INFO] [stdout]    |
[INFO] [stdout] 38 | / unsafe extern fn resolve_name(name: ffi::Dart_Handle, _argc: std::os::raw::c_int, _auto_setup_scope: *mut bool) -> ffi::Dart_NativeFuncti...
[INFO] [stdout] 39 | |     if !ffi::Dart_IsString(name) {
[INFO] [stdout] 40 | |         return None;
[INFO] [stdout] 41 | |     }
[INFO] [stdout] ...  |
[INFO] [stdout] 52 | |     result
[INFO] [stdout] 53 | | }
[INFO] [stdout]    | |_^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dart-sys`.
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[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] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "de7929f2dab992c812be1249a59e2b4856792702d4b709777e164197c6cf3951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7929f2dab992c812be1249a59e2b4856792702d4b709777e164197c6cf3951", kill_on_drop: false }`
[INFO] [stdout] de7929f2dab992c812be1249a59e2b4856792702d4b709777e164197c6cf3951