[INFO] fetching crate harfbuzz_rs 2.0.1...
[INFO] checking harfbuzz_rs-2.0.1 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate harfbuzz_rs 2.0.1 into /workspace/builds/worker-1-tc2/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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate harfbuzz_rs 2.0.1 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fbfc55c9bfc146784d3f775649a13e5b35216f5c13fa98e3b0f988c2d7aa827
[INFO] running `Command { std: "docker" "start" "-a" "0fbfc55c9bfc146784d3f775649a13e5b35216f5c13fa98e3b0f988c2d7aa827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fbfc55c9bfc146784d3f775649a13e5b35216f5c13fa98e3b0f988c2d7aa827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fbfc55c9bfc146784d3f775649a13e5b35216f5c13fa98e3b0f988c2d7aa827", kill_on_drop: false }`
[INFO] [stdout] 0fbfc55c9bfc146784d3f775649a13e5b35216f5c13fa98e3b0f988c2d7aa827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48126d2917be3ab891660a615f5c459b72f63d77a0d74046762a7b03f2718100
[INFO] running `Command { std: "docker" "start" "-a" "48126d2917be3ab891660a615f5c459b72f63d77a0d74046762a7b03f2718100", 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]     Checking freetype v0.7.0
[INFO] [stderr]     Checking 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: 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)]` 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/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)]` 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: 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 3.82s
[INFO] running `Command { std: "docker" "inspect" "48126d2917be3ab891660a615f5c459b72f63d77a0d74046762a7b03f2718100", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48126d2917be3ab891660a615f5c459b72f63d77a0d74046762a7b03f2718100", kill_on_drop: false }`
[INFO] [stdout] 48126d2917be3ab891660a615f5c459b72f63d77a0d74046762a7b03f2718100