[INFO] fetching crate servo-fontconfig 0.5.1...
[INFO] checking servo-fontconfig-0.5.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate servo-fontconfig 0.5.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate servo-fontconfig 0.5.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate servo-fontconfig 0.5.1
[INFO] finished tweaking crates.io crate servo-fontconfig 0.5.1
[INFO] tweaked toml for crates.io crate servo-fontconfig 0.5.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "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] d30118fa135af90fd29756ba386fc89250324c953eac667c4da93743566e967c
[INFO] running `Command { std: "docker" "start" "-a" "d30118fa135af90fd29756ba386fc89250324c953eac667c4da93743566e967c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30118fa135af90fd29756ba386fc89250324c953eac667c4da93743566e967c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30118fa135af90fd29756ba386fc89250324c953eac667c4da93743566e967c", kill_on_drop: false }`
[INFO] [stdout] d30118fa135af90fd29756ba386fc89250324c953eac667c4da93743566e967c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 251e4967975a11e5d0815bd05107d58497ed160963abddc5ffc2afa1cfbaeb0e
[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" "251e4967975a11e5d0815bd05107d58497ed160963abddc5ffc2afa1cfbaeb0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]    Compiling cmake v0.1.44
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking servo-fontconfig v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/fontconfig.rs:193:1
[INFO] [stdout]     |
[INFO] [stdout] 193 | / extern {
[INFO] [stdout] 194 | |
[INFO] [stdout] 195 | | pub fn FcBlanksCreate() -> *mut FcBlanks;
[INFO] [stdout] 196 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 562 | |
[INFO] [stdout] 563 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]    --> src/fontconfig.rs:193:1
[INFO] [stdout]     |
[INFO] [stdout] 193 | / extern {
[INFO] [stdout] 194 | |
[INFO] [stdout] 195 | | pub fn FcBlanksCreate() -> *mut FcBlanks;
[INFO] [stdout] 196 | |
[INFO] [stdout] ...   |
[INFO] [stdout] 562 | |
[INFO] [stdout] 563 | | }
[INFO] [stdout]     | |_^ ABI should be specified here
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]     = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `servo-fontconfig`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "251e4967975a11e5d0815bd05107d58497ed160963abddc5ffc2afa1cfbaeb0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251e4967975a11e5d0815bd05107d58497ed160963abddc5ffc2afa1cfbaeb0e", kill_on_drop: false }`
[INFO] [stdout] 251e4967975a11e5d0815bd05107d58497ed160963abddc5ffc2afa1cfbaeb0e