[INFO] fetching crate harfbuzz_rs 2.0.1...
[INFO] testing harfbuzz_rs-2.0.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate harfbuzz_rs 2.0.1 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate harfbuzz_rs 2.0.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate harfbuzz_rs 2.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rusttype v0.9.2
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.4
[INFO] [stderr]   Downloaded cmake v0.1.45
[INFO] [stderr]   Downloaded cc v1.0.69
[INFO] [stderr]   Downloaded core-graphics-types v0.1.1
[INFO] [stderr]   Downloaded owned_ttf_parser v0.6.0
[INFO] [stderr]   Downloaded freetype v0.7.0
[INFO] [stderr]   Downloaded core-graphics v0.22.2
[INFO] [stderr]   Downloaded core-text v19.2.0
[INFO] [stderr]   Downloaded ttf-parser v0.6.2
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] [stderr]   Downloaded harfbuzz-sys v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50a585c44ede0cb041c027fa3272b02e52560e5ee7850961f7f0cd764d6557d3
[INFO] running `Command { std: "docker" "start" "-a" "50a585c44ede0cb041c027fa3272b02e52560e5ee7850961f7f0cd764d6557d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50a585c44ede0cb041c027fa3272b02e52560e5ee7850961f7f0cd764d6557d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50a585c44ede0cb041c027fa3272b02e52560e5ee7850961f7f0cd764d6557d3", kill_on_drop: false }`
[INFO] [stdout] 50a585c44ede0cb041c027fa3272b02e52560e5ee7850961f7f0cd764d6557d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bcfb9ab1d6d1fdc20d4e54d516d5b71bf5f9453b9baa0f070a38383c8f2b43ec
[INFO] running `Command { std: "docker" "start" "-a" "bcfb9ab1d6d1fdc20d4e54d516d5b71bf5f9453b9baa0f070a38383c8f2b43ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling harfbuzz-sys v0.5.0
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling freetype v0.7.0
[INFO] [stderr]    Compiling harfbuzz_rs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stdout]    --> src/face.rs:158:7
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[cfg(variation_support)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stdout]    --> src/face.rs:141:11
[INFO] [stdout]     |
[INFO] [stdout] 141 |     #[cfg(variation_support)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/blob.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |                      +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/face.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |                      +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/font.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |              +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.16s
[INFO] running `Command { std: "docker" "inspect" "bcfb9ab1d6d1fdc20d4e54d516d5b71bf5f9453b9baa0f070a38383c8f2b43ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcfb9ab1d6d1fdc20d4e54d516d5b71bf5f9453b9baa0f070a38383c8f2b43ec", kill_on_drop: false }`
[INFO] [stdout] bcfb9ab1d6d1fdc20d4e54d516d5b71bf5f9453b9baa0f070a38383c8f2b43ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d663dc911be9baac76487e91d442bbaece18d0b2e6858dea084094819c950aa6
[INFO] running `Command { std: "docker" "start" "-a" "d663dc911be9baac76487e91d442bbaece18d0b2e6858dea084094819c950aa6", kill_on_drop: false }`
[INFO] [stderr]    Compiling harfbuzz_rs v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stdout]    --> src/face.rs:158:7
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[cfg(variation_support)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stdout]    --> src/face.rs:141:11
[INFO] [stdout]     |
[INFO] [stdout] 141 |     #[cfg(variation_support)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/blob.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |                      +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/face.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |                      +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/font.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |              +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stdout]    --> src/face.rs:158:7
[INFO] [stdout]     |
[INFO] [stdout] 158 | #[cfg(variation_support)]
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stdout]    --> src/face.rs:141:11
[INFO] [stdout]     |
[INFO] [stdout] 141 |     #[cfg(variation_support)]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider using a Cargo feature instead
[INFO] [stdout]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]              [lints.rust]
[INFO] [stdout]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stdout]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/blob.rs:81:22
[INFO] [stdout]    |
[INFO] [stdout] 81 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 81 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |                      +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/face.rs:66:22
[INFO] [stdout]    |
[INFO] [stdout] 66 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 66 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |                      +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/font.rs:50:14
[INFO] [stdout]    |
[INFO] [stdout] 50 |     unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 50 |     unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stdout]    |              +++++++                             +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "d663dc911be9baac76487e91d442bbaece18d0b2e6858dea084094819c950aa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d663dc911be9baac76487e91d442bbaece18d0b2e6858dea084094819c950aa6", kill_on_drop: false }`
[INFO] [stdout] d663dc911be9baac76487e91d442bbaece18d0b2e6858dea084094819c950aa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fc53dcf0c70da26e412099f72e6ba915c2bb36e7a291669811a0e57c6d0246b5
[INFO] running `Command { std: "docker" "start" "-a" "fc53dcf0c70da26e412099f72e6ba915c2bb36e7a291669811a0e57c6d0246b5", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stderr]    --> src/face.rs:158:7
[INFO] [stderr]     |
[INFO] [stderr] 158 | #[cfg(variation_support)]
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: expected names are: `docsrs`, `feature`, and `test` and 31 more
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unexpected `cfg` condition name: `variation_support`
[INFO] [stderr]    --> src/face.rs:141:11
[INFO] [stderr]     |
[INFO] [stderr] 141 |     #[cfg(variation_support)]
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider using a Cargo feature instead
[INFO] [stderr]     = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]              [lints.rust]
[INFO] [stderr]              unexpected_cfgs = { level = "warn", check-cfg = ['cfg(variation_support)'] }
[INFO] [stderr]     = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(variation_support)");` to the top of the `build.rs`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/blob.rs:81:22
[INFO] [stderr]    |
[INFO] [stderr] 81 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 81 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stderr]    |                      +++++++                             +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/face.rs:66:22
[INFO] [stderr]    |
[INFO] [stderr] 66 |             unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stderr]    |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 66 |             unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stderr]    |                      +++++++                             +
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stderr]   --> src/font.rs:50:14
[INFO] [stderr]    |
[INFO] [stderr] 50 |     unsafe { Box::from_raw(ptr as *mut U) };
[INFO] [stderr]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 50 |     unsafe { let _ = Box::from_raw(ptr as *mut U); };
[INFO] [stderr]    |              +++++++                             +
[INFO] [stderr] 
[INFO] [stderr] warning: `harfbuzz_rs` (lib) generated 5 warnings
[INFO] [stderr] warning: `harfbuzz_rs` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/harfbuzz_rs-24ba9fb12e76c3af)
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test blob::tests::test_vec_to_blob_conversion ... ok
[INFO] [stdout] test buffer::tests::test_memory_layouts ... ok
[INFO] [stdout] test blob::tests::test_arc_vec_to_blob_conversion ... ok
[INFO] [stdout] test common::tests::reference_counting_shared ... ok
[INFO] [stdout] test common::tests::test_tag_creation ... ok
[INFO] [stdout] test common::tests::test_tag_debugging ... ok
[INFO] [stdout] test font::test::test_font_extents_layout ... ok
[INFO] [stdout] test face::tests::test_face_from_table_func ... ok
[INFO] [stdout] test tests::feature_new ... ok
[INFO] [stdout] test buffer::tests::test_str_item_heap ... ok
[INFO] [stdout] test common::tests::test_language ... ok
[INFO] [stdout] test blob::tests::test_arc_to_blob_conversion ... 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_glyph_buffer_serialization_text ... 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 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests harfbuzz_rs
[INFO] [stdout] 
[INFO] [stdout] running 25 tests
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::append (line 619) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::codepoints (line 662) ... ok
[INFO] [stdout] test src/common.rs - common::Tag (line 9) ... ok
[INFO] [stdout] test src/common.rs - common::Tag::from_str (line 128) ... ok
[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/common.rs - common::Tag::to_bytes (line 50) ... 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/common.rs - common::Tag::new (line 31) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::GlyphBuffer::serializer (line 872) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add (line 543) ... ok
[INFO] [stdout] test src/font.rs - font::Font (line 94) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::clear_contents (line 754) ... ok
[INFO] [stdout] test src/font.rs - font::Font<'a>::parent (line 193) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::append_range (line 638) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add_str_item (line 595) ... ok
[INFO] [stdout] test src/font.rs - font::Font<'a>::empty (line 144) ... ok
[INFO] [stdout] test src/buffer.rs - buffer::UnicodeBuffer::add_str (line 561) ... ok
[INFO] [stdout] test src/font.rs - font::Font<'a>::set_variations (line 461) ... ok
[INFO] [stdout] test src/lib.rs - (line 15) ... ok
[INFO] [stdout] test src/lib.rs - Feature (line 167) ... ok
[INFO] [stdout] test src/font.rs - font::Font<'a>::create_sub_font (line 165) ... ok
[INFO] [stdout] test src/lib.rs - Variation::new (line 135) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 22 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 1.13s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc53dcf0c70da26e412099f72e6ba915c2bb36e7a291669811a0e57c6d0246b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc53dcf0c70da26e412099f72e6ba915c2bb36e7a291669811a0e57c6d0246b5", kill_on_drop: false }`
[INFO] [stdout] fc53dcf0c70da26e412099f72e6ba915c2bb36e7a291669811a0e57c6d0246b5
