[INFO] fetching crate mmtk 0.5.0...
[INFO] testing mmtk-0.5.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate mmtk 0.5.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate mmtk 0.5.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/rust-toolchain
[INFO] started tweaking crates.io crate mmtk 0.5.0
[INFO] finished tweaking crates.io crate mmtk 0.5.0
[INFO] tweaked toml for crates.io crate mmtk 0.5.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 51361c9721baebe4212291cb177104470138bd53713da450319c996fa3bfa1bf
[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" "51361c9721baebe4212291cb177104470138bd53713da450319c996fa3bfa1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51361c9721baebe4212291cb177104470138bd53713da450319c996fa3bfa1bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51361c9721baebe4212291cb177104470138bd53713da450319c996fa3bfa1bf", kill_on_drop: false }`
[INFO] [stdout] 51361c9721baebe4212291cb177104470138bd53713da450319c996fa3bfa1bf
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", 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] 31797266debf374452123c18a457c493d5742ea99adc4cd0918ba7cd6e63af99
[INFO] running `Command { std: "docker" "start" "-a" "31797266debf374452123c18a457c493d5742ea99adc4cd0918ba7cd6e63af99", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling array-macro v1.0.5
[INFO] [stderr]    Compiling atomic v0.4.6
[INFO] [stderr]    Compiling enum_derive v0.1.7
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling atomic-traits v0.2.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling env_logger v0.8.4
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling enum-map v0.6.4
[INFO] [stderr]    Compiling mmtk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` 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 15.70s
[INFO] running `Command { std: "docker" "inspect" "31797266debf374452123c18a457c493d5742ea99adc4cd0918ba7cd6e63af99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31797266debf374452123c18a457c493d5742ea99adc4cd0918ba7cd6e63af99", kill_on_drop: false }`
[INFO] [stdout] 31797266debf374452123c18a457c493d5742ea99adc4cd0918ba7cd6e63af99
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2e28f961490dacbebf051e58a3379a98dd3d1619e922e927cd384c5ce586bba
[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" "c2e28f961490dacbebf051e58a3379a98dd3d1619e922e927cd384c5ce586bba", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling crossbeam v0.7.3
[INFO] [stderr]    Compiling mmtk v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.21s
[INFO] running `Command { std: "docker" "inspect" "c2e28f961490dacbebf051e58a3379a98dd3d1619e922e927cd384c5ce586bba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2e28f961490dacbebf051e58a3379a98dd3d1619e922e927cd384c5ce586bba", kill_on_drop: false }`
[INFO] [stdout] c2e28f961490dacbebf051e58a3379a98dd3d1619e922e927cd384c5ce586bba
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", 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] 5dbb7c7bb0fe4f1b7e51143ec7282d721cfb129268e97bc79e50915bd7e5287d
[INFO] running `Command { std: "docker" "start" "-a" "5dbb7c7bb0fe4f1b7e51143ec7282d721cfb129268e97bc79e50915bd7e5287d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout] running 71 tests
[INFO] [stderr]  --> src/lib.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![feature(maybe_uninit_ref)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mmtk-3069a71cc5686b57)
[INFO] [stdout] test util::address::tests::align_down ... ok
[INFO] [stdout] test util::address::tests::align_up ... ok
[INFO] [stdout] test util::address::tests::bit_and ... ok
[INFO] [stdout] test util::address::tests::is_aligned_to ... ok
[INFO] [stdout] test util::conversions::tests::test_chunk_align ... ok
[INFO] [stdout] test util::heap::space_descriptor::tests::create_contiguous_descriptor_at_heap_start ... ok
[INFO] [stdout] test util::heap::space_descriptor::tests::create_contiguous_descriptor_at_heap_end ... ok
[INFO] [stdout] test util::int_array_freelist::tests::alloc_fit ... ok
[INFO] [stdout] test util::heap::space_descriptor::tests::create_contiguous_descriptor_in_heap ... ok
[INFO] [stdout] test util::address::tests::bit_or ... ok
[INFO] [stdout] test util::heap::layout::fragmented_mapper::tests::ensure_mapped_on_protected_chunks ... ok
[INFO] [stdout] test util::heap::layout::fragmented_mapper::tests::address_hashing ... ok
[INFO] [stdout] test util::conversions::tests::test_page_align ... ok
[INFO] [stdout] test util::heap::space_descriptor::tests::create_discontiguous_descriptor ... ok
[INFO] [stdout] test util::heap::layout::fragmented_mapper::tests::ensure_mapped_1chunk ... ok
[INFO] [stdout] test util::int_array_freelist::tests::alloc_split_twice ... ok
[INFO] [stdout] test util::int_array_freelist::tests::free_cant_coalesce ... ok
[INFO] [stdout] test util::int_array_freelist::tests::free_coalesce ... ok
[INFO] [stdout] test util::int_array_freelist::tests::alloc_split ... ok
[INFO] [stdout] test util::int_array_freelist::tests::alloc_skip ... ok
[INFO] [stdout] test util::memory::tests::test_check_is_mmapped_for_partial_mapped ... ignored
[INFO] [stdout] test util::int_array_freelist::tests::multi_heads_alloc_free ... ok
[INFO] [stdout] test util::int_array_freelist::tests::alloc_exhaust ... ok
[INFO] [stdout] test util::int_array_freelist::tests::free_unit ... ok
[INFO] [stdout] test util::int_array_freelist::tests::free_realloc ... ok
[INFO] [stdout] test util::heap::layout::fragmented_mapper::tests::ensure_mapped_1page ... ok
[INFO] [stdout] test util::int_array_freelist::tests::new_free_list_grain2 ... ok
[INFO] [stdout] test util::metadata::side_metadata::global::tests::calculate_reserved_pages_multi_specs ... ok
[INFO] [stdout] test util::metadata::side_metadata::global::tests::calculate_reserved_pages_one_spec ... ok
[INFO] [stdout] test util::int_array_freelist::tests::new_free_list_grain1 ... ok
[INFO] [stdout] test util::metadata::side_metadata::sanity::tests::test_side_metadata_sanity_verify_global_specs_total_size ... ok
[INFO] [stdout] test util::metadata::side_metadata::sanity::tests::test_side_metadata_sanity_verify_no_overlap_contiguous ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_address_to_meta_address ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_meta_byte_lshift ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_meta_byte_mask ... ok
[INFO] [stdout] test scheduler::scheduler::tests::quicksort ... ok
[INFO] [stdout] test util::int_array_freelist::tests::multi_heads_exceed_heads - should panic ... ok
[INFO] [stdout] test util::int_array_freelist::tests::free_list_access_out_of_bounds - should panic ... ok
[INFO] [stdout] test util::heap::layout::fragmented_mapper::tests::protect ... ok
[INFO] [stdout] test util::memory::tests::test_mmap_noreplace ... ok
[INFO] [stdout] test util::memory::tests::test_check_is_mmapped_for_unmapped_next_to_mapped - should panic ... ok
[INFO] [stdout] test util::memory::tests::test_mmap ... ok
[INFO] [stdout] test util::memory::tests::test_check_is_mmapped_for_mapped ... ok
[INFO] [stdout] test util::memory::tests::test_munmap ... ok
[INFO] [stdout] test util::options::tests::with_invalid_env_var_value ... ok
[INFO] [stdout] test util::options::tests::with_valid_env_var ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_try_mmap_metadata ... ok
[INFO] [stdout] test util::memory::tests::test_mmap_noreserve ... ok
[INFO] [stdout] test util::memory::tests::test_check_is_mmapped_for_unmapped - should panic ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_bzero_metadata ... ok
[INFO] [stdout] test util::options::tests::no_env_var ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_atomic_fetch_add_sub_2bits ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::alloc_split_twice ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::free_cant_coalesce ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::free_coalesce ... ok
[INFO] [stdout] test util::heap::layout::fragmented_mapper::tests::ensure_mapped_more_than_1chunk ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::free_unit ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::free_list_access_out_of_bounds - should panic ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::free_realloc ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::new_free_list_grain1 ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::new_free_list_grain2 ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::alloc_exhaust ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::alloc_fit ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::alloc_split ... ok
[INFO] [stdout] test util::raw_memory_freelist::tests::alloc_skip ... ok
[INFO] [stdout] test util::options::tests::test_invalid_str_option_from_env_var ... ok
[INFO] [stdout] test util::options::tests::test_str_option_default ... ok
[INFO] [stdout] test util::options::tests::with_invalid_env_var_key ... ok
[INFO] [stdout] test util::options::tests::test_str_option_from_env_var ... ok
[INFO] [stdout] test util::metadata::side_metadata::side_metadata_tests::tests::test_side_metadata_atomic_fetch_add_sub_ge8bits ... ok
[INFO] [stdout] test util::options::tests::with_multiple_valid_env_vars ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 70 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_address.rs (/opt/rustwide/target/debug/deps/test_address-d63767bb5d06f9f6)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_align_up ... ok
[INFO] [stdout] test test_is_aligned ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5dbb7c7bb0fe4f1b7e51143ec7282d721cfb129268e97bc79e50915bd7e5287d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbb7c7bb0fe4f1b7e51143ec7282d721cfb129268e97bc79e50915bd7e5287d", kill_on_drop: false }`
[INFO] [stdout] 5dbb7c7bb0fe4f1b7e51143ec7282d721cfb129268e97bc79e50915bd7e5287d