[INFO] fetching crate harfbuzz_rs 1.2.0...
[INFO] testing harfbuzz_rs-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate harfbuzz_rs 1.2.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate harfbuzz_rs 1.2.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate harfbuzz_rs 1.2.0
[INFO] finished tweaking crates.io crate harfbuzz_rs 1.2.0
[INFO] tweaked toml for crates.io crate harfbuzz_rs 1.2.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate harfbuzz_rs 1.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c60a3bd00c8a297c59f5027e7c0e927f3eab317f353739154ff32b13af99b77
[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" "3c60a3bd00c8a297c59f5027e7c0e927f3eab317f353739154ff32b13af99b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c60a3bd00c8a297c59f5027e7c0e927f3eab317f353739154ff32b13af99b77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c60a3bd00c8a297c59f5027e7c0e927f3eab317f353739154ff32b13af99b77", kill_on_drop: false }`
[INFO] [stdout] 3c60a3bd00c8a297c59f5027e7c0e927f3eab317f353739154ff32b13af99b77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 054160e1238ff4fad7548451e4266cf65a72d53225547149c9912d07211f1d28
[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" "054160e1238ff4fad7548451e4266cf65a72d53225547149c9912d07211f1d28", kill_on_drop: false }`
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling harfbuzz-sys v0.4.1
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]    Compiling freetype v0.5.1
[INFO] [stderr]    Compiling harfbuzz_rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "054160e1238ff4fad7548451e4266cf65a72d53225547149c9912d07211f1d28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "054160e1238ff4fad7548451e4266cf65a72d53225547149c9912d07211f1d28", kill_on_drop: false }`
[INFO] [stdout] 054160e1238ff4fad7548451e4266cf65a72d53225547149c9912d07211f1d28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 70398b0d4de1247bf0ca8fe409faa014d6bba3d67eb9fae5d5bb6481e40ea01c
[INFO] running `Command { std: "docker" "start" "-a" "70398b0d4de1247bf0ca8fe409faa014d6bba3d67eb9fae5d5bb6481e40ea01c", kill_on_drop: false }`
[INFO] [stderr]    Compiling harfbuzz_rs v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "70398b0d4de1247bf0ca8fe409faa014d6bba3d67eb9fae5d5bb6481e40ea01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70398b0d4de1247bf0ca8fe409faa014d6bba3d67eb9fae5d5bb6481e40ea01c", kill_on_drop: false }`
[INFO] [stdout] 70398b0d4de1247bf0ca8fe409faa014d6bba3d67eb9fae5d5bb6481e40ea01c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4f3fbda97f91b87e08a4b677d4ade54ee67c115cbe8703e588501d89b8ade6e4
[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" "4f3fbda97f91b87e08a4b677d4ade54ee67c115cbe8703e588501d89b8ade6e4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/harfbuzz_rs-c4cae9898f2b46a9
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test blob::tests::test_vec_to_blob_conversion ... ok
[INFO] [stdout] test blob::tests::test_arc_vec_to_blob_conversion ... ok
[INFO] [stdout] test buffer::tests::test_str_item_heap ... ok
[INFO] [stdout] test common::tests::test_tag_creation ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test font::test::test_font_extents_layout ... ok
[INFO] [stdout] test tests::feature_new ... ok
[INFO] [stdout] test blob::tests::test_arc_to_blob_conversion ... ok
[INFO] [stdout] test face::tests::test_face_from_table_func ... ok
[INFO] [stdout] test common::tests::test_tag_debugging ... ok
[INFO] [stdout] test common::tests::test_language ... ok
[INFO] [stdout] test common::tests::reference_counting_shared ... ok
[INFO] [stdout] test buffer::tests::test_memory_layouts ... ok
[INFO] [stdout] test buffer::tests::test_glyph_buffer_serialization_text ... ok
[INFO] [stdout] test buffer::tests::test_glyph_buffer_serialization_single_char ... ok
[INFO] [stderr]    Doc-tests harfbuzz_rs
[INFO] [stdout] test buffer::tests::test_str_item_not_substring ... ok
[INFO] [stdout] test buffer::tests::test_str_item_different_allocations ... ok
[INFO] [stdout] test buffer::tests::test_str_item_not_substring2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 22 tests
[INFO] [stdout] test src/common.rs - common::Tag::to_bytes (line 50) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add (line 521) ... ok
[INFO] [stdout] test src/font_funcs.rs - font_funcs::FontFuncsImpl (line 338) ... ignored
[INFO] [stdout] test src/font_funcs.rs - font_funcs::FontFuncsImpl (line 352) ... ignored
[INFO] [stdout] test src/font_funcs.rs - font_funcs::FontFuncsImpl<T>::from_trait_impl (line 390) ... ignored
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::codepoints (line 640) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::new (line 476) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add_str (line 539) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::len (line 497) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::GlyphBuffer::serializer (line 850) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::append (line 597) ... ok
[INFO] [stdout] test src/common.rs - common::Tag (line 9) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::append_range (line 616) ... ok
[INFO] [stdout] test src/common.rs - common::Tag::new (line 31) ... ok
[INFO] [stdout] test src/common.rs - common::Tag::from_str (line 128) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::clear_contents (line 732) ... ok
[INFO] [stdout] test src/font.rs - font::Font (line 84) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add_str_item (line 573) ... ok
[INFO] [stdout] test src/font.rs - font::Font::parent (line 176) ... ok
[INFO] [stdout] test src/font.rs - font::Font::create_sub_font (line 148) ... ok
[INFO] [stdout] test src/lib.rs - Feature (line 126) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4f3fbda97f91b87e08a4b677d4ade54ee67c115cbe8703e588501d89b8ade6e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f3fbda97f91b87e08a4b677d4ade54ee67c115cbe8703e588501d89b8ade6e4", kill_on_drop: false }`
[INFO] [stdout] 4f3fbda97f91b87e08a4b677d4ade54ee67c115cbe8703e588501d89b8ade6e4