[INFO] fetching crate mdoc 0.3.0...
[INFO] checking mdoc-0.3.0 against try#846ec3a7f9ef4a204b2166da3cfc71f4885a5be5 for pr-98000
[INFO] extracting crate mdoc 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mdoc 0.3.0 on toolchain 846ec3a7f9ef4a204b2166da3cfc71f4885a5be5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mdoc 0.3.0
[INFO] finished tweaking crates.io crate mdoc 0.3.0
[INFO] tweaked toml for crates.io crate mdoc 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate mdoc 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "fetch" "--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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 88fe7a0e5e60aa19fea70bdf09fdb312fdf9b0c755a0125b2b81b4d6698a65a3
[INFO] running `Command { std: "docker" "start" "-a" "88fe7a0e5e60aa19fea70bdf09fdb312fdf9b0c755a0125b2b81b4d6698a65a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "88fe7a0e5e60aa19fea70bdf09fdb312fdf9b0c755a0125b2b81b4d6698a65a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88fe7a0e5e60aa19fea70bdf09fdb312fdf9b0c755a0125b2b81b4d6698a65a3", kill_on_drop: false }`
[INFO] [stdout] 88fe7a0e5e60aa19fea70bdf09fdb312fdf9b0c755a0125b2b81b4d6698a65a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+846ec3a7f9ef4a204b2166da3cfc71f4885a5be5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e07ab7c1f1a797af17f71d0e21745a3daa1f155b8b4a25f1802da08a8969418c
[INFO] running `Command { std: "docker" "start" "-a" "e07ab7c1f1a797af17f71d0e21745a3daa1f155b8b4a25f1802da08a8969418c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
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[INFO] [stderr]     Checking webpki-roots v0.22.1
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[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking hyper v0.14.14
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `tectonic_bridge_harfbuzz v0.2.3`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-da5c4a829a09037f/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   OPT_LEVEL = Some("0")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXX = None
[INFO] [stderr]   CXX = None
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   CARGO_CFG_TARGET_FEATURE = Some("fxsr,llvm14-builtins-abi,sse,sse2")
[INFO] [stderr]   running: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "/usr/include" "-I" "/usr/include" "-std=c++11" "-DHAVE_GRAPHITE2=1" "-DHAVE_ICU=1" "-DHAVE_PTHREAD=1" "-o" "/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-d6666d5d865fbaed/out/harfbuzz/src/harfbuzz.o" "-c" "harfbuzz/src/harfbuzz.cc"
[INFO] [stderr]   cargo:warning=c++: fatal error: Killed signal terminated program cc1plus
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit status: 1
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-I" "/usr/include" "-I" "/usr/include" "-std=c++11" "-DHAVE_GRAPHITE2=1" "-DHAVE_ICU=1" "-DHAVE_PTHREAD=1" "-o" "/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-d6666d5d865fbaed/out/harfbuzz/src/harfbuzz.o" "-c" "harfbuzz/src/harfbuzz.cc" with args "c++" did not execute successfully (status code exit status: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "e07ab7c1f1a797af17f71d0e21745a3daa1f155b8b4a25f1802da08a8969418c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e07ab7c1f1a797af17f71d0e21745a3daa1f155b8b4a25f1802da08a8969418c", kill_on_drop: false }`
[INFO] [stdout] e07ab7c1f1a797af17f71d0e21745a3daa1f155b8b4a25f1802da08a8969418c