[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] 758c054c1ce5171bd1f884cce0349d146e98e90c
[INFO] checking tectonic-typesetting/tectonic against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftectonic-typesetting%2Ftectonic" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tectonic-typesetting/tectonic on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded app_dirs2 v2.3.2
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded clearscreen v1.0.4
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded watchexec v1.16.0
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded zip v0.5.13
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 1523da11be621635b34e4fb52db0e34670bba36c86c52d02b207ffb6b1736378
[INFO] running `Command { std: "docker" "start" "-a" "1523da11be621635b34e4fb52db0e34670bba36c86c52d02b207ffb6b1736378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1523da11be621635b34e4fb52db0e34670bba36c86c52d02b207ffb6b1736378", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1523da11be621635b34e4fb52db0e34670bba36c86c52d02b207ffb6b1736378", kill_on_drop: false }`
[INFO] [stdout] 1523da11be621635b34e4fb52db0e34670bba36c86c52d02b207ffb6b1736378
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed30a7fada730ef73872967893e74d552415375e6efa904ad25e07f2c2152046
[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" "ed30a7fada730ef73872967893e74d552415375e6efa904ad25e07f2c2152046", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling vcpkg v0.2.14
[INFO] [stderr]    Compiling anyhow v1.0.41
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking futures v0.1.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_flate)
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling siphasher v0.3.5
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]    Compiling tectonic v0.0.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking pkg-config v0.3.19
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling tokio v1.7.1
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking tectonic_xdv v0.0.0-dev.0 (/opt/rustwide/workdir/crates/xdv)
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking tectonic_cfg_support v0.0.0-dev.0 (/opt/rustwide/workdir/crates/cfg_support)
[INFO] [stderr]     Checking app_dirs2 v2.3.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling tectonic_dep_support v0.0.0-dev.0 (/opt/rustwide/workdir/crates/dep_support)
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking addr2line v0.15.2
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking byte-unit v4.0.12
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking generic-array v0.12.4
[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 phf v0.8.0
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking tectonic_errors v0.0.0-dev.0 (/opt/rustwide/workdir/crates/errors)
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking tectonic_status_base v0.0.0-dev.0 (/opt/rustwide/workdir/crates/status_base)
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking object v0.25.3
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling tectonic_bridge_core v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_core)
[INFO] [stderr]    Compiling openssl-sys v0.9.64
[INFO] [stderr]    Compiling tectonic_engine_xetex v0.0.0-dev.0 (/opt/rustwide/workdir/crates/engine_xetex)
[INFO] [stderr]    Compiling tectonic_engine_bibtex v0.0.0-dev.0 (/opt/rustwide/workdir/crates/engine_bibtex)
[INFO] [stderr]    Compiling tectonic_engine_xdvipdfmx v0.0.0-dev.0 (/opt/rustwide/workdir/crates/engine_xdvipdfmx)
[INFO] [stderr]    Compiling backtrace v0.3.60
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_graphite2)
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_icu)
[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]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking url v2.2.2
[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 mio v0.7.13
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[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-58611c3691f13ec6/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" "ed30a7fada730ef73872967893e74d552415375e6efa904ad25e07f2c2152046", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed30a7fada730ef73872967893e74d552415375e6efa904ad25e07f2c2152046", kill_on_drop: false }`
[INFO] [stdout] ed30a7fada730ef73872967893e74d552415375e6efa904ad25e07f2c2152046