[INFO] fetching crate gluon_doc 0.17.2...
[INFO] checking gluon_doc-0.17.2 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate gluon_doc 0.17.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate gluon_doc 0.17.2 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 crates.io crate gluon_doc 0.17.2
[INFO] finished tweaking crates.io crate gluon_doc 0.17.2
[INFO] tweaked toml for crates.io crate gluon_doc 0.17.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate gluon_doc 0.17.2 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 cargo_metadata v0.9.1
[INFO] [stderr]   Downloaded env_logger v0.8.1
[INFO] [stderr]   Downloaded humantime v2.0.1
[INFO] [stderr]   Downloaded markup5ever v0.9.0
[INFO] [stderr]   Downloaded html5ever v0.24.1
[INFO] [stderr]   Downloaded cargo-deadlinks v0.4.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] ff38ca11a0189ff41f27f051cf3e47c7191f321545db6d16ee5dead6b454bb76
[INFO] running `Command { std: "docker" "start" "-a" "ff38ca11a0189ff41f27f051cf3e47c7191f321545db6d16ee5dead6b454bb76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff38ca11a0189ff41f27f051cf3e47c7191f321545db6d16ee5dead6b454bb76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff38ca11a0189ff41f27f051cf3e47c7191f321545db6d16ee5dead6b454bb76", kill_on_drop: false }`
[INFO] [stdout] ff38ca11a0189ff41f27f051cf3e47c7191f321545db6d16ee5dead6b454bb76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 46b10a1769cc0601164c064fb80a86ded44896984cfa1145f4fe5679cbc084c6
[INFO] running `Command { std: "docker" "start" "-a" "46b10a1769cc0601164c064fb80a86ded44896984cfa1145f4fe5679cbc084c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.7
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.7
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]    Compiling cc v1.0.61
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking collect-mac v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.20
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]    Compiling lalrpop-util v0.19.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling gluon_vm v0.17.2
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking frunk_core v0.3.1
[INFO] [stderr]    Compiling anyhow v1.0.33
[INFO] [stderr]    Compiling pulldown-cmark v0.7.2
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling gluon_doc v0.17.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking strsim v0.9.3
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.7
[INFO] [stderr]     Checking archery v0.3.0
[INFO] [stderr]     Checking futures-task v0.3.7
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking phf_shared v0.7.24
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking encoding_rs v0.8.24
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rpds v0.7.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking aho-corasick v0.7.14
[INFO] [stderr]     Checking codespan v0.9.5
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.20/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="unicode"' --cfg 'feature="unicode-age"' --cfg 'feature="unicode-bool"' --cfg 'feature="unicode-case"' --cfg 'feature="unicode-gencat"' --cfg 'feature="unicode-perl"' --cfg 'feature="unicode-script"' --cfg 'feature="unicode-segment"' -C metadata=90edb85036cf420f -C extra-filename=-90edb85036cf420f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "46b10a1769cc0601164c064fb80a86ded44896984cfa1145f4fe5679cbc084c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46b10a1769cc0601164c064fb80a86ded44896984cfa1145f4fe5679cbc084c6", kill_on_drop: false }`
[INFO] [stdout] 46b10a1769cc0601164c064fb80a86ded44896984cfa1145f4fe5679cbc084c6