[INFO] fetching crate md2pdf 0.0.3...
[INFO] checking md2pdf-0.0.3 against try#ab173a644b8654eb56e6d7c92e29be4886d65169 for pr-108782
[INFO] extracting crate md2pdf 0.0.3 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate md2pdf 0.0.3 on toolchain ab173a644b8654eb56e6d7c92e29be4886d65169
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab173a644b8654eb56e6d7c92e29be4886d65169" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md2pdf 0.0.3
[INFO] finished tweaking crates.io crate md2pdf 0.0.3
[INFO] tweaked toml for crates.io crate md2pdf 0.0.3 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate md2pdf 0.0.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab173a644b8654eb56e6d7c92e29be4886d65169" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+ab173a644b8654eb56e6d7c92e29be4886d65169" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dfe836178e64635d984b93a45291b95df152cbc7fd436d11af007412d4c6ab1
[INFO] running `Command { std: "docker" "start" "-a" "7dfe836178e64635d984b93a45291b95df152cbc7fd436d11af007412d4c6ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfe836178e64635d984b93a45291b95df152cbc7fd436d11af007412d4c6ab1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfe836178e64635d984b93a45291b95df152cbc7fd436d11af007412d4c6ab1", kill_on_drop: false }`
[INFO] [stdout] 7dfe836178e64635d984b93a45291b95df152cbc7fd436d11af007412d4c6ab1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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:e2a9e7e193985ba0d5a8221c3984785a9e0a75acc409a02815633ff67a1f464e" "/opt/rustwide/cargo-home/bin/cargo" "+ab173a644b8654eb56e6d7c92e29be4886d65169" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 33dd922e9bd7b3b1afc508db23899501fd21d012bffa763c2a503e48211bb447
[INFO] running `Command { std: "docker" "start" "-a" "33dd922e9bd7b3b1afc508db23899501fd21d012bffa763c2a503e48211bb447", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.134
[INFO] [stderr]    Compiling unicode-ident v1.0.4
[INFO] [stderr]    Compiling syn v1.0.101
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]    Compiling thiserror v1.0.37
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling uncased v0.9.7
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling tectonic_bridge_core v0.3.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling tectonic_cfg_support v0.1.4
[INFO] [stderr]     Checking tectonic_errors v0.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.46
[INFO] [stderr]    Compiling serde_derive v1.0.145
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]    Compiling serde v1.0.145
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking tectonic_status_base v0.2.0
[INFO] [stderr]    Compiling tectonic_dep_support v0.1.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]    Compiling phf_shared v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling tectonic_bridge_flate v0.1.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]     Checking flate2 v1.0.24
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking tracing-core v0.1.29
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]     Checking http v0.2.8
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking aho-corasick v0.7.19
[INFO] [stderr]     Checking futures-util v0.3.24
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking tracing v0.1.36
[INFO] [stderr]    Compiling phf v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.12
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling phf_generator v0.11.1
[INFO] [stderr]    Compiling tectonic_bridge_graphite2 v0.2.1
[INFO] [stderr]    Compiling tectonic_bridge_icu v0.2.0
[INFO] [stderr]    Compiling tectonic_pdf_io v0.2.0
[INFO] [stderr]    Compiling tectonic_bridge_harfbuzz v0.2.5
[INFO] [stderr]    Compiling tectonic_bridge_freetype2 v0.2.0
[INFO] [stderr]    Compiling phf_codegen v0.11.1
[INFO] [stderr]    Compiling tectonic_xetex_layout v0.2.0
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.4
[INFO] [stderr]     Checking openssl-sys v0.9.76
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]     Checking dirs v4.0.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking xdg v2.4.1
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking app_dirs2 v2.5.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iana-time-zone v0.1.50
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking tokio v1.21.2
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking chrono v0.4.22
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling phf_codegen v0.8.0
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]    Compiling terminfo v0.7.3
[INFO] [stderr]    Compiling tectonic_engine_xetex v0.3.0
[INFO] [stderr]    Compiling tectonic_engine_xdvipdfmx v0.2.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]    Compiling chrono-tz-build v0.0.3
[INFO] [stderr]    Compiling tectonic_engine_bibtex v0.1.3
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking which v4.3.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking filetime v0.2.17
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking humansize v1.1.1
[INFO] [stderr]    Compiling chrono-tz v0.6.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]     Checking tectonic_xdv v0.2.0
[INFO] [stderr]     Checking pinot v0.1.5
[INFO] [stderr]    Compiling tectonic v0.9.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling pulldown-cmark v0.5.3
[INFO] [stderr]     Checking byte-unit v4.0.14
[INFO] [stderr]     Checking open v1.7.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking clap v4.0.8
[INFO] [stderr] error: could not compile `syn`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name syn --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/syn-1.0.101/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no --cfg 'feature="clone-impls"' --cfg 'feature="default"' --cfg 'feature="derive"' --cfg 'feature="extra-traits"' --cfg 'feature="full"' --cfg 'feature="parsing"' --cfg 'feature="printing"' --cfg 'feature="proc-macro"' --cfg 'feature="quote"' -C metadata=eb6ec052213fd7bb -C extra-filename=-eb6ec052213fd7bb --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-56a848ab65523c67.rmeta --extern quote=/opt/rustwide/target/debug/deps/libquote-980d7980178238da.rmeta --extern unicode_ident=/opt/rustwide/target/debug/deps/libunicode_ident-ed9049b45267b051.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "33dd922e9bd7b3b1afc508db23899501fd21d012bffa763c2a503e48211bb447", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33dd922e9bd7b3b1afc508db23899501fd21d012bffa763c2a503e48211bb447", kill_on_drop: false }`
[INFO] [stdout] 33dd922e9bd7b3b1afc508db23899501fd21d012bffa763c2a503e48211bb447