[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] 67d29e7038665a0a0cba822c6c32bf838429a6be
[INFO] documenting tectonic-typesetting/tectonic against beta-2021-08-01 for beta-1.55-rustdoc-1
[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 beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded terminfo v0.7.3
[INFO] [stderr]   Downloaded clearscreen v1.0.6
[INFO] [stderr]   Downloaded utf8-width v0.1.5
[INFO] [stderr]   Downloaded headers-core v0.1.1
[INFO] [stderr]   Downloaded watchexec v1.17.1
[INFO] [stderr]   Downloaded quick-xml v0.22.0
[INFO] [stderr]   Downloaded jni v0.19.0
[INFO] [stderr]   Downloaded command-group v1.0.4
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded byte-unit v4.0.12
[INFO] [stderr]   Downloaded app_dirs2 v2.3.2
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded headers v0.2.3
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c37dbfd809770487ba8a9f9484fb796fc36a330de813597cb138d29a04867cbf
[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" "c37dbfd809770487ba8a9f9484fb796fc36a330de813597cb138d29a04867cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c37dbfd809770487ba8a9f9484fb796fc36a330de813597cb138d29a04867cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c37dbfd809770487ba8a9f9484fb796fc36a330de813597cb138d29a04867cbf", kill_on_drop: false }`
[INFO] [stdout] c37dbfd809770487ba8a9f9484fb796fc36a330de813597cb138d29a04867cbf
[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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2c5bb729cffd66bcd0096f12ba4ced21cac818aab6b5c4249b5332a3100ee69
[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" "f2c5bb729cffd66bcd0096f12ba4ced21cac818aab6b5c4249b5332a3100ee69", kill_on_drop: false }`
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_flate)
[INFO] [stderr]    Compiling tectonic v0.0.0-dev.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking utf8-width v0.1.5
[INFO] [stderr]    Compiling tectonic_bridge_core v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_core)
[INFO] [stderr]    Compiling libz-sys v1.1.3
[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 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 tectonic_xdv v0.0.0-dev.0 (/opt/rustwide/workdir/crates/xdv)
[INFO] [stderr]     Checking open v1.7.1
[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 inotify-sys v0.1.5
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking tectonic_errors v0.0.0-dev.0 (/opt/rustwide/workdir/crates/errors)
[INFO] [stderr]     Checking openssl-sys v0.9.65
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking byte-unit v4.0.12
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]    Compiling tectonic_engine_xetex v0.0.0-dev.0 (/opt/rustwide/workdir/crates/engine_xetex)
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling tectonic_dep_support v0.0.0-dev.0 (/opt/rustwide/workdir/crates/dep_support)
[INFO] [stderr]     Checking command-group v1.0.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking tokio v1.9.0
[INFO] [stderr]     Checking tectonic_status_base v0.0.0-dev.0 (/opt/rustwide/workdir/crates/status_base)
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking error-chain v0.12.4
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking openssl v0.10.35
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]    Compiling rand v0.7.3
[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_bridge_freetype2 v0.0.0-dev.0 (/opt/rustwide/workdir/crates/bridge_freetype2)
[INFO] [stderr]    Compiling tectonic_pdf_io v0.0.0-dev.0 (/opt/rustwide/workdir/crates/pdf_io)
[INFO] [stderr]    Compiling tectonic_xetex_layout v0.0.0-dev.0 (/opt/rustwide/workdir/crates/xetex_layout)
[INFO] [stderr] error: could not compile `tokio`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name tokio --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-1.9.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="bytes"' --cfg 'feature="default"' --cfg 'feature="io-util"' --cfg 'feature="libc"' --cfg 'feature="memchr"' --cfg 'feature="mio"' --cfg 'feature="net"' --cfg 'feature="num_cpus"' --cfg 'feature="rt"' --cfg 'feature="rt-multi-thread"' --cfg 'feature="sync"' --cfg 'feature="time"' --cfg 'feature="winapi"' -C metadata=e3dddfde1d23e6ac -C extra-filename=-e3dddfde1d23e6ac --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ded23f718088fd94.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-9545ac4a144a3a20.rmeta --extern memchr=/opt/rustwide/target/debug/deps/libmemchr-865cad8e691f1123.rmeta --extern mio=/opt/rustwide/target/debug/deps/libmio-5c7d0f2771e5aaf7.rmeta --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-b6c6a7ac0303fe05.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-2a357b4d2069282f.rmeta --cap-lints allow --cfg tokio_track_caller` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f2c5bb729cffd66bcd0096f12ba4ced21cac818aab6b5c4249b5332a3100ee69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2c5bb729cffd66bcd0096f12ba4ced21cac818aab6b5c4249b5332a3100ee69", kill_on_drop: false }`
[INFO] [stdout] f2c5bb729cffd66bcd0096f12ba4ced21cac818aab6b5c4249b5332a3100ee69
