[INFO] cloning repository https://github.com/SwiftLaTeX/texlab-swiftlatex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SwiftLaTeX/texlab-swiftlatex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftLaTeX%2Ftexlab-swiftlatex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftLaTeX%2Ftexlab-swiftlatex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 67197441e40fb385ea73ccdc01fd1b6194e1b2b2
[INFO] checking SwiftLaTeX/texlab-swiftlatex against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiftLaTeX%2Ftexlab-swiftlatex" "/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/SwiftLaTeX/texlab-swiftlatex on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SwiftLaTeX/texlab-swiftlatex
[INFO] finished tweaking git repo https://github.com/SwiftLaTeX/texlab-swiftlatex
[INFO] tweaked toml for git repo https://github.com/SwiftLaTeX/texlab-swiftlatex written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/SwiftLaTeX/texlab-swiftlatex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/cormacrelf/citeproc-rs`
[INFO] [stderr]     Updating git submodule `https://github.com/cormacrelf/test-suite`
[INFO] [stderr]     Updating git submodule `https://github.com/citation-style-language/schema`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indoc v0.3.4
[INFO] [stderr]   Downloaded xmlparser v0.10.0
[INFO] [stderr]   Downloaded generational-arena v0.2.6
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] [stderr]   Downloaded indoc-impl v0.3.4
[INFO] [stderr]   Downloaded lalrpop-util v0.17.2
[INFO] [stderr]   Downloaded roxmltree v0.7.3
[INFO] [stderr]   Downloaded dunce v1.0.0
[INFO] [stderr]   Downloaded serde_repr v0.1.5
[INFO] [stderr]   Downloaded html2md v0.2.9
[INFO] [stderr]   Downloaded salsa-macros v0.13.2
[INFO] [stderr]   Downloaded lsp-types v0.61.0
[INFO] [stderr]   Downloaded salsa v0.13.2
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a34c23b634216135aa5e850047ee02f8264e9a760b00a21a20fc7a5e3544589
[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" "5a34c23b634216135aa5e850047ee02f8264e9a760b00a21a20fc7a5e3544589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a34c23b634216135aa5e850047ee02f8264e9a760b00a21a20fc7a5e3544589", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a34c23b634216135aa5e850047ee02f8264e9a760b00a21a20fc7a5e3544589", kill_on_drop: false }`
[INFO] [stdout] 5a34c23b634216135aa5e850047ee02f8264e9a760b00a21a20fc7a5e3544589
[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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ef8a6ae65c518084610757f841ba5c19c20a7fecd1ae28e30c6e3d8172bd664d
[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" "ef8a6ae65c518084610757f841ba5c19c20a7fecd1ae28e30c6e3d8172bd664d", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking arc-swap v0.4.4
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking dunce v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]     Checking xmlparser v0.10.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling rayon-core v1.6.1
[INFO] [stderr]     Checking fixedbitset v0.2.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling lalrpop-util v0.17.2
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking ucd-trie v0.1.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]    Compiling unindent v0.1.5
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking generational-arena v0.2.6
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.2
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]     Checking roxmltree v0.7.3
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking num_cpus v1.11.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling ena v0.13.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]    Compiling bibutils-sys v0.1.0 (/opt/rustwide/workdir/crates/bibutils_sys)
[INFO] [stderr]     Checking rustc-hash v1.0.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking petgraph v0.5.0
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking walkdir v0.1.8
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]     Checking png v0.15.1
[INFO] [stderr]    Compiling ascii-canvas v2.0.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking copy_dir v0.1.2
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking chashmap v2.2.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]    Compiling string_cache v0.7.5
[INFO] [stderr]     Checking stderrlog v0.4.1
[INFO] [stderr]     Checking rayon v1.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking futures-boxed v0.1.0 (/opt/rustwide/workdir/crates/futures_boxed)
[INFO] [stderr]     Checking bibutils v0.1.0 (/opt/rustwide/workdir/crates/bibutils)
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling serde_repr v0.1.5
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling html5ever v0.24.1
[INFO] [stderr]    Compiling salsa-macros v0.13.2
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling jsonrpc-derive v0.1.0 (/opt/rustwide/workdir/crates/jsonrpc_derive)
[INFO] [stderr] error: could not compile `html5ever`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name build_script_build /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/html5ever-0.24.1/build.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=a5d73c197cda29e0 -C extra-filename=-a5d73c197cda29e0 --out-dir /opt/rustwide/target/debug/build/html5ever-a5d73c197cda29e0 -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-cb2c04d1f027ec8b.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-360b065bae5bc266.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-b0933d267f7e08b2.rlib --cap-lints allow --cap-lints=forbid` (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" "ef8a6ae65c518084610757f841ba5c19c20a7fecd1ae28e30c6e3d8172bd664d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef8a6ae65c518084610757f841ba5c19c20a7fecd1ae28e30c6e3d8172bd664d", kill_on_drop: false }`
[INFO] [stdout] ef8a6ae65c518084610757f841ba5c19c20a7fecd1ae28e30c6e3d8172bd664d