[INFO] fetching crate harfbuzz 0.4.0...
[INFO] testing harfbuzz-0.4.0 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate harfbuzz 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate harfbuzz 0.4.0 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate harfbuzz 0.4.0
[INFO] finished tweaking crates.io crate harfbuzz 0.4.0
[INFO] tweaked toml for crates.io crate harfbuzz 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", 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] a74294990f13f5095816fbd591e269bfb2f25d4ecf4a4219f41074803f43274b
[INFO] running `Command { std: "docker" "start" "-a" "a74294990f13f5095816fbd591e269bfb2f25d4ecf4a4219f41074803f43274b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a74294990f13f5095816fbd591e269bfb2f25d4ecf4a4219f41074803f43274b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74294990f13f5095816fbd591e269bfb2f25d4ecf4a4219f41074803f43274b", kill_on_drop: false }`
[INFO] [stdout] a74294990f13f5095816fbd591e269bfb2f25d4ecf4a4219f41074803f43274b
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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] 22c7e18b72157f3e46884ad6f283336a4182d18dfd33a70bf6165a4704d7fab4
[INFO] running `Command { std: "docker" "start" "-a" "22c7e18b72157f3e46884ad6f283336a4182d18dfd33a70bf6165a4704d7fab4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.65
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.80
[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 v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "22c7e18b72157f3e46884ad6f283336a4182d18dfd33a70bf6165a4704d7fab4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c7e18b72157f3e46884ad6f283336a4182d18dfd33a70bf6165a4704d7fab4", kill_on_drop: false }`
[INFO] [stdout] 22c7e18b72157f3e46884ad6f283336a4182d18dfd33a70bf6165a4704d7fab4
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1204b78d9dc6f57a79bb98609131e9d2c9d3c15fdf30c9eaf1bed9a9ad0c96c6
[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" "1204b78d9dc6f57a79bb98609131e9d2c9d3c15fdf30c9eaf1bed9a9ad0c96c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling harfbuzz v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "1204b78d9dc6f57a79bb98609131e9d2c9d3c15fdf30c9eaf1bed9a9ad0c96c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1204b78d9dc6f57a79bb98609131e9d2c9d3c15fdf30c9eaf1bed9a9ad0c96c6", kill_on_drop: false }`
[INFO] [stdout] 1204b78d9dc6f57a79bb98609131e9d2c9d3c15fdf30c9eaf1bed9a9ad0c96c6
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ebdfb6eccccd6afba1013a57ac40b28b01919fff631789fa2173ccdb16bc7cf9
[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" "ebdfb6eccccd6afba1013a57ac40b28b01919fff631789fa2173ccdb16bc7cf9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/harfbuzz-36af80ce365d3dc1
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests harfbuzz
[INFO] [stdout] running 1 test
[INFO] [stdout] test language::tests::test_lookup ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/blob.rs - blob::Blob::new_from_arc_vec (line 58) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer::guess_segment_properties (line 207) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer (line 59) ... ok
[INFO] [stdout] test src/blob.rs - blob::Blob::new_read_only (line 32) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer::append (line 138) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer (line 22) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer::new (line 83) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::Buffer (line 31) ... ok
[INFO] [stdout] test src/direction.rs - direction::Direction (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ebdfb6eccccd6afba1013a57ac40b28b01919fff631789fa2173ccdb16bc7cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebdfb6eccccd6afba1013a57ac40b28b01919fff631789fa2173ccdb16bc7cf9", kill_on_drop: false }`
[INFO] [stdout] ebdfb6eccccd6afba1013a57ac40b28b01919fff631789fa2173ccdb16bc7cf9