[INFO] fetching crate dx_core 0.3.0...
[INFO] testing dx_core-0.3.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate dx_core 0.3.0 into /workspace/builds/worker-106/source
[INFO] validating manifest of crates.io crate dx_core 0.3.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-106/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88abb3452b3b7c5a8db4b8d79cb68e68b44b262f058417103eb05cd2f86b9f78
[INFO] running `Command { std: "docker" "start" "-a" "88abb3452b3b7c5a8db4b8d79cb68e68b44b262f058417103eb05cd2f86b9f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88abb3452b3b7c5a8db4b8d79cb68e68b44b262f058417103eb05cd2f86b9f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88abb3452b3b7c5a8db4b8d79cb68e68b44b262f058417103eb05cd2f86b9f78", kill_on_drop: false }`
[INFO] [stdout] 88abb3452b3b7c5a8db4b8d79cb68e68b44b262f058417103eb05cd2f86b9f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac7c287b7aa2694afcba28d2089e32fef06a328d9694becf3c91e9bad73ea895
[INFO] running `Command { std: "docker" "start" "-a" "ac7c287b7aa2694afcba28d2089e32fef06a328d9694becf3c91e9bad73ea895", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "ac7c287b7aa2694afcba28d2089e32fef06a328d9694becf3c91e9bad73ea895", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7c287b7aa2694afcba28d2089e32fef06a328d9694becf3c91e9bad73ea895", kill_on_drop: false }`
[INFO] [stdout] ac7c287b7aa2694afcba28d2089e32fef06a328d9694becf3c91e9bad73ea895
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a33653bd0ec9e246d6775b1a06bc01b1c5498d4e46212731a6f11629010a657d
[INFO] running `Command { std: "docker" "start" "-a" "a33653bd0ec9e246d6775b1a06bc01b1c5498d4e46212731a6f11629010a657d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]    Compiling dx_core v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[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: 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 #87678 <https://github.com/rust-lang/rust/issues/87678>
[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 #87678 <https://github.com/rust-lang/rust/issues/87678>
[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 #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "a33653bd0ec9e246d6775b1a06bc01b1c5498d4e46212731a6f11629010a657d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a33653bd0ec9e246d6775b1a06bc01b1c5498d4e46212731a6f11629010a657d", kill_on_drop: false }`
[INFO] [stdout] a33653bd0ec9e246d6775b1a06bc01b1c5498d4e46212731a6f11629010a657d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-106/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cbb25875c621a7b815ba27b539adff4a819aad0579010c34afa178d9625d0289
[INFO] running `Command { std: "docker" "start" "-a" "cbb25875c621a7b815ba27b539adff4a819aad0579010c34afa178d9625d0289", kill_on_drop: false }`
[INFO] [stderr] warning: `#[inline]` is ignored on function prototypes
[INFO] [stderr]   --> src/com_object.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     #[inline]
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `dx_core` (lib) generated 1 warning
[INFO] [stderr] warning: `dx_core` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr] warning: use of calling convention not supported on this target
[INFO] [stderr]   --> tests/com_tests.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | extern "stdcall" fn query_interface(this: *mut Test, _: *const IID, interface: *mut *mut ()) -> i32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unsupported_calling_conventions)]` on by default
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stderr] 
[INFO] [stderr] warning: use of calling convention not supported on this target
[INFO] [stderr]   --> tests/com_tests.rs:49:1
[INFO] [stderr]    |
[INFO] [stderr] 49 | extern "stdcall" fn add_ref(this: *mut Test) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stderr] 
[INFO] [stderr] warning: use of calling convention not supported on this target
[INFO] [stderr]   --> tests/com_tests.rs:56:1
[INFO] [stderr]    |
[INFO] [stderr] 56 | extern "stdcall" fn release(this: *mut Test) -> u32 {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]    = note: for more information, see issue #87678 <https://github.com/rust-lang/rust/issues/87678>
[INFO] [stderr] 
[INFO] [stderr] warning: `dx_core` (test "com_tests") generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dx_core-ec113a353a932dda)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/com_tests.rs (/opt/rustwide/target/debug/deps/com_tests-a0aa10fc44991088)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test add_ref_returns_the_expected_number_of_references ... ok
[INFO] [stdout] test comref_can_be_borrowed ... ok
[INFO] [stdout] test query_interface_should_return_ok_for_unknown_iid ... ok
[INFO] [stdout] test comref_can_be_sent_over_channels ... ok
[INFO] [stdout] test release_returns_the_expected_number_of_references ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/enum_flags_test.rs (/opt/rustwide/target/debug/deps/enum_flags_test-b5bf0ad94a1d5702)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dx_core
[INFO] [stdout] running 5 tests
[INFO] [stdout] test enum_flags_should_have_and_operator ... ok
[INFO] [stdout] test enum_flags_should_have_eq_operator ... ok
[INFO] [stdout] test enum_flags_should_have_ne_operator ... ok
[INFO] [stdout] test enum_flags_should_have_or_operator ... ok
[INFO] [stdout] test enum_flags_should_have_xor_operator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cbb25875c621a7b815ba27b539adff4a819aad0579010c34afa178d9625d0289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb25875c621a7b815ba27b539adff4a819aad0579010c34afa178d9625d0289", kill_on_drop: false }`
[INFO] [stdout] cbb25875c621a7b815ba27b539adff4a819aad0579010c34afa178d9625d0289