[INFO] fetching crate dx_core 0.3.0...
[INFO] checking dx_core-0.3.0 against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] extracting crate dx_core 0.3.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate dx_core 0.3.0 on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dx_core 0.3.0
[INFO] finished tweaking crates.io crate dx_core 0.3.0
[INFO] tweaked toml for crates.io crate dx_core 0.3.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", 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] 622eaabb20009090b1e72eb248e4ed74408354ce925a98cb0f4dabfbf3eae81d
[INFO] running `Command { std: "docker" "start" "-a" "622eaabb20009090b1e72eb248e4ed74408354ce925a98cb0f4dabfbf3eae81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "622eaabb20009090b1e72eb248e4ed74408354ce925a98cb0f4dabfbf3eae81d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "622eaabb20009090b1e72eb248e4ed74408354ce925a98cb0f4dabfbf3eae81d", kill_on_drop: false }`
[INFO] [stdout] 622eaabb20009090b1e72eb248e4ed74408354ce925a98cb0f4dabfbf3eae81d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1b6d86f3cb57711d1b8fedaa418bc09655c66955d07ff76495ba3d4969e2432d
[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" "1b6d86f3cb57711d1b8fedaa418bc09655c66955d07ff76495ba3d4969e2432d", kill_on_drop: false }`
[INFO] [stderr]     Checking dx_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/com_object.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `#[inline]` is ignored on function prototypes
[INFO] [stdout]   --> src/com_object.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     #[inline]
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/com_tests.rs:40:1
[INFO] [stdout]    |
[INFO] [stdout] 40 | extern "stdcall" fn query_interface(this: *mut Test, _: *const IID, interface: *mut *mut ()) -> i32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #00000 <https://github.com/rust-lang/rust/issues/00000>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/com_tests.rs:49:1
[INFO] [stdout]    |
[INFO] [stdout] 49 | extern "stdcall" fn add_ref(this: *mut Test) -> u32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #00000 <https://github.com/rust-lang/rust/issues/00000>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of calling convention not supported on this target
[INFO] [stdout]   --> tests/com_tests.rs:56:1
[INFO] [stdout]    |
[INFO] [stdout] 56 | extern "stdcall" fn release(this: *mut Test) -> u32 {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #00000 <https://github.com/rust-lang/rust/issues/00000>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "1b6d86f3cb57711d1b8fedaa418bc09655c66955d07ff76495ba3d4969e2432d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b6d86f3cb57711d1b8fedaa418bc09655c66955d07ff76495ba3d4969e2432d", kill_on_drop: false }`
[INFO] [stdout] 1b6d86f3cb57711d1b8fedaa418bc09655c66955d07ff76495ba3d4969e2432d