[INFO] fetching crate dx_core 0.3.0...
[INFO] testing dx_core-0.3.0 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate dx_core 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dx_core 0.3.0 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6095540878dd526a0cd173f6e67b59c36a4a98201040eaac751db4f66723d596
[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" "6095540878dd526a0cd173f6e67b59c36a4a98201040eaac751db4f66723d596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6095540878dd526a0cd173f6e67b59c36a4a98201040eaac751db4f66723d596", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6095540878dd526a0cd173f6e67b59c36a4a98201040eaac751db4f66723d596", kill_on_drop: false }`
[INFO] [stdout] 6095540878dd526a0cd173f6e67b59c36a4a98201040eaac751db4f66723d596
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54a0134c39a95870da0a3a4f6726b068efbea8ee150ee85c956948f6c6780f7
[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" "b54a0134c39a95870da0a3a4f6726b068efbea8ee150ee85c956948f6c6780f7", 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 0.41s
[INFO] running `Command { std: "docker" "inspect" "b54a0134c39a95870da0a3a4f6726b068efbea8ee150ee85c956948f6c6780f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54a0134c39a95870da0a3a4f6726b068efbea8ee150ee85c956948f6c6780f7", kill_on_drop: false }`
[INFO] [stdout] b54a0134c39a95870da0a3a4f6726b068efbea8ee150ee85c956948f6c6780f7
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a701a20b2a26d34620dcc1ccf6e60db81fa34535a352e82c7e2094bc0e175a24
[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" "a701a20b2a26d34620dcc1ccf6e60db81fa34535a352e82c7e2094bc0e175a24", kill_on_drop: false }`
[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 #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: 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 1.28s
[INFO] running `Command { std: "docker" "inspect" "a701a20b2a26d34620dcc1ccf6e60db81fa34535a352e82c7e2094bc0e175a24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a701a20b2a26d34620dcc1ccf6e60db81fa34535a352e82c7e2094bc0e175a24", kill_on_drop: false }`
[INFO] [stdout] a701a20b2a26d34620dcc1ccf6e60db81fa34535a352e82c7e2094bc0e175a24
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9058c634545337606918ca570a883090e2ced03b12a3fdd13ab2937b17dc52c
[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" "e9058c634545337606918ca570a883090e2ced03b12a3fdd13ab2937b17dc52c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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: 1 warning emitted
[INFO] [stderr] 
[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: 1 warning emitted
[INFO] [stderr] 
[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 #00000 <https://github.com/rust-lang/rust/issues/00000>
[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 #00000 <https://github.com/rust-lang/rust/issues/00000>
[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 #00000 <https://github.com/rust-lang/rust/issues/00000>
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dx_core-bad362ecaa07914a)
[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] [stderr]      Running tests/com_tests.rs (/opt/rustwide/target/debug/deps/com_tests-58ecd79b9143d1e1)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test query_interface_should_return_ok_for_unknown_iid ... ok
[INFO] [stdout] test release_returns_the_expected_number_of_references ... ok
[INFO] [stdout] test comref_can_be_borrowed ... ok
[INFO] [stdout] test add_ref_returns_the_expected_number_of_references ... ok
[INFO] [stderr]      Running tests/enum_flags_test.rs (/opt/rustwide/target/debug/deps/enum_flags_test-009019ac463d61ac)
[INFO] [stdout] test comref_can_be_sent_over_channels ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test enum_flags_should_have_and_operator ... ok
[INFO] [stdout] test enum_flags_should_have_or_operator ... ok
[INFO] [stdout] test enum_flags_should_have_xor_operator ... ok
[INFO] [stderr]    Doc-tests dx_core
[INFO] [stdout] test enum_flags_should_have_eq_operator ... ok
[INFO] [stdout] test enum_flags_should_have_ne_operator ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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" "e9058c634545337606918ca570a883090e2ced03b12a3fdd13ab2937b17dc52c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9058c634545337606918ca570a883090e2ced03b12a3fdd13ab2937b17dc52c", kill_on_drop: false }`
[INFO] [stdout] e9058c634545337606918ca570a883090e2ced03b12a3fdd13ab2937b17dc52c