[INFO] cloning repository https://github.com/twilco/kosmonaut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/twilco/kosmonaut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1cbbdadf07e0af6143fe534457a9043aeaf502f
[INFO] checking twilco/kosmonaut against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftwilco%2Fkosmonaut" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/twilco/kosmonaut on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/twilco/kosmonaut
[INFO] finished tweaking git repo https://github.com/twilco/kosmonaut
[INFO] tweaked toml for git repo https://github.com/twilco/kosmonaut written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/twilco/kosmonaut already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/twilco/font-kit`
[INFO] [stderr]     Updating git repository `https://github.com/twilco/datatest`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling v0.12.3
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded similar v1.3.0
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded darling_macro v0.12.3
[INFO] [stderr]   Downloaded darling_core v0.12.3
[INFO] [stderr]   Downloaded accountable-refcell v0.2.1
[INFO] [stderr]   Downloaded enum_dispatch v0.3.5
[INFO] [stderr]   Downloaded derive_builder v0.10.0
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.0
[INFO] [stderr]   Downloaded smallbitvec v2.5.0
[INFO] [stderr]   Downloaded curl-sys v0.4.44+curl-7.77.0
[INFO] [stderr]   Downloaded derive_builder_core v0.10.0
[INFO] [stderr]   Downloaded servo-fontconfig-sys v5.0.1
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.0
[INFO] [stderr]   Downloaded insta v1.7.1
[INFO] [stderr]   Downloaded app_units v0.7.1
[INFO] [stderr]   Downloaded tracing-attributes v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31c7c7fe659fd19b1d16785c3b2461cbb80a82b9e6834bc73a02917665a1f67c
[INFO] running `Command { std: "docker" "start" "-a" "31c7c7fe659fd19b1d16785c3b2461cbb80a82b9e6834bc73a02917665a1f67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31c7c7fe659fd19b1d16785c3b2461cbb80a82b9e6834bc73a02917665a1f67c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c7c7fe659fd19b1d16785c3b2461cbb80a82b9e6834bc73a02917665a1f67c", kill_on_drop: false }`
[INFO] [stdout] 31c7c7fe659fd19b1d16785c3b2461cbb80a82b9e6834bc73a02917665a1f67c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 169906bcfbd432b6a9990ccd6723802e22f42ce010e7923e581af5f7dcb112b8
[INFO] running `Command { std: "docker" "start" "-a" "169906bcfbd432b6a9990ccd6723802e22f42ce010e7923e581af5f7dcb112b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking dtoa v0.4.7
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking strum v0.20.0
[INFO] [stderr]     Checking smallbitvec v2.5.0
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking weezl v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking futures-io v0.3.13
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling isahc v1.4.0
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking similar v1.3.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.0.1
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking gif v0.11.1
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]    Compiling gl v0.1.0 (/opt/rustwide/workdir/components/gl)
[INFO] [stderr]     Checking sluice v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling datatest v0.6.4 (https://github.com/twilco/datatest?branch=downgrade-version-check#148a6ccf)
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking unicode-normalization v0.1.17
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling freetype-sys v0.11.0
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.6+1.43.0
[INFO] [stderr]    Compiling libz-sys v1.1.2
[INFO] [stderr]    Compiling openssl-sys v0.9.60
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling curl-sys v0.4.44+curl-7.77.0
[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-0.6.23/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="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=bddc2f07153e89f0 -C extra-filename=-bddc2f07153e89f0 --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" "169906bcfbd432b6a9990ccd6723802e22f42ce010e7923e581af5f7dcb112b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "169906bcfbd432b6a9990ccd6723802e22f42ce010e7923e581af5f7dcb112b8", kill_on_drop: false }`
[INFO] [stdout] 169906bcfbd432b6a9990ccd6723802e22f42ce010e7923e581af5f7dcb112b8