[INFO] cloning repository https://github.com/tectonic-typesetting/tectonic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tectonic-typesetting/tectonic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectonic-typesetting%2Ftectonic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectonic-typesetting%2Ftectonic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1ce1e156f8fdfd5fde28bfd21145a1dc3c16735c
[INFO] checking tectonic-typesetting/tectonic against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectonic-typesetting%2Ftectonic" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tectonic-typesetting/tectonic on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tectonic-typesetting/tectonic
[INFO] finished tweaking git repo https://github.com/tectonic-typesetting/tectonic
[INFO] tweaked toml for git repo https://github.com/tectonic-typesetting/tectonic written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tectonic-typesetting/tectonic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vswhom-sys v0.1.0
[INFO] [stderr]   Downloaded env_logger v0.8.3
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded open v1.7.0
[INFO] [stderr]   Downloaded cesu8 v1.1.0
[INFO] [stderr]   Downloaded openssl v0.10.33
[INFO] [stderr]   Downloaded openssl-sys v0.9.61
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded futures-channel v0.3.14
[INFO] [stderr]   Downloaded futures-core v0.3.14
[INFO] [stderr]   Downloaded generic-array v0.12.4
[INFO] [stderr]   Downloaded derivative v2.2.0
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[INFO] [stderr]   Downloaded filetime v0.2.14
[INFO] [stderr]   Downloaded futures-task v0.3.14
[INFO] [stderr]   Downloaded httparse v1.4.0
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.18
[INFO] [stderr]   Downloaded object v0.23.0
[INFO] [stderr]   Downloaded js-sys v0.3.50
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[INFO] [stderr]   Downloaded syn v1.0.70
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[INFO] [stderr]   Downloaded curl v0.4.36
[INFO] [stderr]   Downloaded native-tls v0.2.7
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[INFO] [stderr]   Downloaded fs2 v0.4.3
[INFO] [stderr]   Downloaded hyper-tls v0.5.0
[INFO] [stderr]   Downloaded gimli v0.23.0
[INFO] [stderr]   Downloaded web-sys v0.3.50
[INFO] [stderr]   Downloaded curl-sys v0.4.42+curl-7.76.0
[INFO] [stderr]   Downloaded watchexec v1.15.2
[INFO] [stderr]   Downloaded reqwest v0.11.3
[INFO] [stderr]   Downloaded security-framework-sys v2.2.0
[INFO] [stderr]   Downloaded tokio-native-tls v0.3.0
[INFO] [stderr]   Downloaded sha2 v0.9.3
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded notify v4.0.16
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
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[INFO] [stderr]   Downloaded lazycell v1.3.0
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[INFO] [stderr]   Downloaded futures-util v0.3.14
[INFO] [stderr]   Downloaded futures-sink v0.3.14
[INFO] [stderr]   Downloaded tokio-util v0.6.6
[INFO] [stderr]   Downloaded socket2 v0.4.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded cbindgen v0.16.0
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded jni v0.19.0
[INFO] [stderr]   Downloaded jni-sys v0.3.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded ndk v0.3.0
[INFO] [stderr]   Downloaded ndk-macro v0.2.0
[INFO] [stderr]   Downloaded app_dirs2 v2.3.2
[INFO] [stderr]   Downloaded utf8-width v0.1.5
[INFO] [stderr]   Downloaded byte-unit v4.0.11
[INFO] [stderr]   Downloaded addr2line v0.14.1
[INFO] [stderr]   Downloaded backtrace v0.3.57
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded headers v0.2.3
[INFO] [stderr]   Downloaded h2 v0.3.2
[INFO] [stderr]   Downloaded nix v0.20.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.6
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded bstr v0.2.15
[INFO] [stderr]   Downloaded regex v1.4.6
[INFO] [stderr]   Downloaded globset v0.4.6
[INFO] [stderr]   Downloaded vswhom v0.1.0
[INFO] [stderr]   Downloaded winreg v0.8.0
[INFO] [stderr]   Downloaded embed-resource v1.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce0d4b3e3b1d4df41f3473ef64df945cebc9ba5b05e1fb7a0f18a96c7520cdc0
[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" "ce0d4b3e3b1d4df41f3473ef64df945cebc9ba5b05e1fb7a0f18a96c7520cdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce0d4b3e3b1d4df41f3473ef64df945cebc9ba5b05e1fb7a0f18a96c7520cdc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce0d4b3e3b1d4df41f3473ef64df945cebc9ba5b05e1fb7a0f18a96c7520cdc0", kill_on_drop: false }`
[INFO] [stdout] ce0d4b3e3b1d4df41f3473ef64df945cebc9ba5b05e1fb7a0f18a96c7520cdc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2ba1c3bbdc382f19cf48e4e1bafe0021586a1724d2e20673450a5582afefd8a
[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" "b2ba1c3bbdc382f19cf48e4e1bafe0021586a1724d2e20673450a5582afefd8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling vcpkg v0.2.12
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling cbindgen v0.16.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking futures-io v0.3.14
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]     Checking httpdate v1.0.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling tectonic v0.0.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]     Checking pkg-config v0.3.19
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling embed-resource v1.6.2
[INFO] [stderr]     Checking tectonic_xdv v0.0.0-dev.0 (/opt/rustwide/workdir/crates/xdv)
[INFO] [stderr]    Compiling tectonic_cfg_support v0.0.0-dev.0 (/opt/rustwide/workdir/crates/cfg_support)
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking byte-unit v4.0.11
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking app_dirs2 v2.3.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]    Compiling tectonic_dep_support v0.0.0-dev.0 (/opt/rustwide/workdir/crates/dep_support)
[INFO] [stderr]    Compiling watchexec v1.15.2
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking tectonic_errors v0.0.0-dev.0 (/opt/rustwide/workdir/crates/errors)
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tectonic_status_base v0.0.0-dev.0 (/opt/rustwide/workdir/crates/status_base)
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking open v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking sha2 v0.9.3
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking url v2.2.1
[INFO] [stderr]     Checking http-body v0.4.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_icu)
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_graphite2)
[INFO] [stderr]    Compiling tectonic_bridge_harfbuzz v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_harfbuzz)
[INFO] [stderr]    Compiling tectonic_pdf_io v0.0.0-dev.0 (/opt/rustwide/workdir/crates/pdf_io)
[INFO] [stderr]    Compiling tectonic_bridge_freetype2 v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_freetype2)
[INFO] [stderr]    Compiling tectonic_xetex_layout v0.0.0-dev.0 (/opt/rustwide/workdir/crates/xetex_layout)
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking regex v1.4.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking backtrace v0.3.57
[INFO] [stderr]     Checking notify v4.0.16
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr] error: failed to run custom build command for `tectonic_bridge_harfbuzz v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_harfbuzz)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/tectonic_bridge_harfbuzz-3b6cadc0fe018277/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   error: no such file /opt/rustwide/workdir/crates/bridge_harfbuzz/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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b2ba1c3bbdc382f19cf48e4e1bafe0021586a1724d2e20673450a5582afefd8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2ba1c3bbdc382f19cf48e4e1bafe0021586a1724d2e20673450a5582afefd8a", kill_on_drop: false }`
[INFO] [stdout] b2ba1c3bbdc382f19cf48e4e1bafe0021586a1724d2e20673450a5582afefd8a