[INFO] fetching crate tectonic_bridge_harfbuzz 0.1.0...
[INFO] checking tectonic_bridge_harfbuzz-0.1.0 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate tectonic_bridge_harfbuzz 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate tectonic_bridge_harfbuzz 0.1.0 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tectonic_bridge_harfbuzz 0.1.0
[INFO] finished tweaking crates.io crate tectonic_bridge_harfbuzz 0.1.0
[INFO] tweaked toml for crates.io crate tectonic_bridge_harfbuzz 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20405dfa470c19c9d0262828994f8f7a61c932cb25ef821592d9f8d1e944bfaa
[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" "20405dfa470c19c9d0262828994f8f7a61c932cb25ef821592d9f8d1e944bfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20405dfa470c19c9d0262828994f8f7a61c932cb25ef821592d9f8d1e944bfaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20405dfa470c19c9d0262828994f8f7a61c932cb25ef821592d9f8d1e944bfaa", kill_on_drop: false }`
[INFO] [stdout] 20405dfa470c19c9d0262828994f8f7a61c932cb25ef821592d9f8d1e944bfaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1371b66e1911599e80cbdddb8f705b11f6bda5ef2a0bfd4674b45149d51e823
[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" "f1371b66e1911599e80cbdddb8f705b11f6bda5ef2a0bfd4674b45149d51e823", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling vcpkg v0.2.11
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.1.0
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.1.1
[INFO] [stderr]    Compiling tectonic_bridge_harfbuzz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `tectonic_bridge_harfbuzz v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-13c0eff9601765a9/build-script-build` (exit code: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: no such file /opt/rustwide/workdir/harfbuzz/src/harfbuzz.cc
[INFO] [stderr]      if you have checked out from Git, you probably need to fetch submodules:
[INFO] [stderr]          git submodule update --init
[INFO] [stderr]      This is needed because we are attempting to compile a local copy of Harfbuzz.
[INFO] running `Command { std: "docker" "inspect" "f1371b66e1911599e80cbdddb8f705b11f6bda5ef2a0bfd4674b45149d51e823", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1371b66e1911599e80cbdddb8f705b11f6bda5ef2a0bfd4674b45149d51e823", kill_on_drop: false }`
[INFO] [stdout] f1371b66e1911599e80cbdddb8f705b11f6bda5ef2a0bfd4674b45149d51e823