[INFO] fetching crate harfbuzz_rs 2.0.1...
[INFO] testing harfbuzz_rs-2.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate harfbuzz_rs 2.0.1 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate harfbuzz_rs 2.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate harfbuzz_rs 2.0.1
[INFO] finished tweaking crates.io crate harfbuzz_rs 2.0.1
[INFO] tweaked toml for crates.io crate harfbuzz_rs 2.0.1 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate crates.io crate harfbuzz_rs 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded harfbuzz-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebd47d2f13b273b3b0e9d3cf4446c18a9751842fdd57e63685e5666e27d63d58
[INFO] running `Command { std: "docker" "start" "-a" "ebd47d2f13b273b3b0e9d3cf4446c18a9751842fdd57e63685e5666e27d63d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebd47d2f13b273b3b0e9d3cf4446c18a9751842fdd57e63685e5666e27d63d58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebd47d2f13b273b3b0e9d3cf4446c18a9751842fdd57e63685e5666e27d63d58", kill_on_drop: false }`
[INFO] [stdout] ebd47d2f13b273b3b0e9d3cf4446c18a9751842fdd57e63685e5666e27d63d58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf599a0c5b801f2bc3ec28ce7df0f0c46aaea7d63689a2f4ae312b3b98302b4d
[INFO] running `Command { std: "docker" "start" "-a" "cf599a0c5b801f2bc3ec28ce7df0f0c46aaea7d63689a2f4ae312b3b98302b4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling harfbuzz-sys v0.5.0
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling harfbuzz_rs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.79s
[INFO] running `Command { std: "docker" "inspect" "cf599a0c5b801f2bc3ec28ce7df0f0c46aaea7d63689a2f4ae312b3b98302b4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf599a0c5b801f2bc3ec28ce7df0f0c46aaea7d63689a2f4ae312b3b98302b4d", kill_on_drop: false }`
[INFO] [stdout] cf599a0c5b801f2bc3ec28ce7df0f0c46aaea7d63689a2f4ae312b3b98302b4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5ccb329e75a108b1c70e688dca47e3e01c968515eea6f2e6d2ac279381393b
[INFO] running `Command { std: "docker" "start" "-a" "cb5ccb329e75a108b1c70e688dca47e3e01c968515eea6f2e6d2ac279381393b", kill_on_drop: false }`
[INFO] [stderr]    Compiling harfbuzz_rs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "cb5ccb329e75a108b1c70e688dca47e3e01c968515eea6f2e6d2ac279381393b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5ccb329e75a108b1c70e688dca47e3e01c968515eea6f2e6d2ac279381393b", kill_on_drop: false }`
[INFO] [stdout] cb5ccb329e75a108b1c70e688dca47e3e01c968515eea6f2e6d2ac279381393b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cc28ca09706251e43ee9c13a0cf46d3952439c1fd85d7831955671636c0e736b
[INFO] running `Command { std: "docker" "start" "-a" "cc28ca09706251e43ee9c13a0cf46d3952439c1fd85d7831955671636c0e736b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/harfbuzz_rs-3332f8c43598777f)
[INFO] [stdout] running 18 tests
[INFO] [stdout] test blob::tests::test_vec_to_blob_conversion ... ok
[INFO] [stdout] test blob::tests::test_arc_to_blob_conversion ... ok
[INFO] [stdout] test buffer::tests::test_memory_layouts ... ok
[INFO] [stdout] test buffer::tests::test_str_item_heap ... ok
[INFO] [stdout] test common::tests::reference_counting_shared ... ok
[INFO] [stdout] test common::tests::test_language ... ok
[INFO] [stdout] test common::tests::test_tag_creation ... ok
[INFO] [stdout] test common::tests::test_tag_debugging ... ok
[INFO] [stdout] test face::tests::test_face_from_table_func ... 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_vec_to_blob_conversion ... ok
[INFO] [stdout] test buffer::tests::test_glyph_buffer_serialization_text ... ok
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] test buffer::tests::test_glyph_buffer_serialization_single_char ... ok
[INFO] [stdout] test buffer::tests::test_str_item_different_allocations - should panic ... ok
[INFO] [stdout] test buffer::tests::test_str_item_not_substring - should panic ... ok
[INFO] [stdout] test buffer::tests::test_str_item_not_substring2 - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests harfbuzz_rs
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/font_funcs.rs - font_funcs::FontFuncsImpl (line 350) ... ignored
[INFO] [stdout] test src/font_funcs.rs - font_funcs::FontFuncsImpl (line 364) ... ignored
[INFO] [stdout] test src/font_funcs.rs - font_funcs::FontFuncsImpl<T>::from_trait_impl (line 402) ... ignored
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::append (line 619) ... ok
[INFO] [stdout] test src/font.rs - font::Font (line 94) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add (line 543) ... ok
[INFO] [stdout] test src/font.rs - font::Font::empty (line 144) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::new (line 498) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::len (line 519) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::clear_contents (line 754) ... ok
[INFO] [stdout] test src/common.rs - common::Tag (line 9) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::append_range (line 638) ... ok
[INFO] [stdout] test src/font.rs - font::Font::parent (line 193) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add_str_item (line 595) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add_str (line 561) ... ok
[INFO] [stdout] test src/common.rs - common::Tag::from_str (line 128) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::GlyphBuffer::serializer (line 872) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/font.rs - font::Font::create_sub_font (line 165) ... ok
[INFO] [stdout] test src/font.rs - font::Font::set_variations (line 461) ... ok
[INFO] [stdout] test src/common.rs - common::Tag::to_bytes (line 50) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::codepoints (line 662) ... ok
[INFO] [stdout] test src/lib.rs - Variation::new (line 135) ... ok
[INFO] [stdout] test src/common.rs - common::Tag::new (line 31) ... ok
[INFO] [stdout] test src/lib.rs - Feature (line 167) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.73s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cc28ca09706251e43ee9c13a0cf46d3952439c1fd85d7831955671636c0e736b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc28ca09706251e43ee9c13a0cf46d3952439c1fd85d7831955671636c0e736b", kill_on_drop: false }`
[INFO] [stdout] cc28ca09706251e43ee9c13a0cf46d3952439c1fd85d7831955671636c0e736b