[INFO] cloning repository https://github.com/jedeop/what-class
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jedeop/what-class" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedeop%2Fwhat-class", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedeop%2Fwhat-class'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec015fe7a088024f433bdbdc18d03065e43f4e23
[INFO] checking jedeop/what-class against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjedeop%2Fwhat-class" "/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/jedeop/what-class on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jedeop/what-class
[INFO] finished tweaking git repo https://github.com/jedeop/what-class
[INFO] tweaked toml for git repo https://github.com/jedeop/what-class written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/jedeop/what-class already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "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 core-text v19.2.0
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[INFO] [stderr]   Downloaded sixtyfps-macros v0.0.5
[INFO] [stderr]   Downloaded sixtyfps-corelib-macros v0.0.5
[INFO] [stderr]   Downloaded pico-args v0.3.4
[INFO] [stderr]   Downloaded freetype v0.7.0
[INFO] [stderr]   Downloaded lazy-bytes-cast v5.0.1
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[INFO] [stderr]   Downloaded vtable v0.1.1
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[INFO] [stderr]   Downloaded ttf-parser v0.9.0
[INFO] [stderr]   Downloaded generational-arena v0.2.8
[INFO] [stderr]   Downloaded vtable-macro v0.1.1
[INFO] [stderr]   Downloaded cpp v0.5.6
[INFO] [stderr]   Downloaded if_rust_version v1.0.0
[INFO] [stderr]   Downloaded simplecss v0.2.0
[INFO] [stderr]   Downloaded auto_enums_derive v0.7.12
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[INFO] [stderr]   Downloaded const-field-offset-macro v0.1.0
[INFO] [stderr]   Downloaded euclid v0.22.2
[INFO] [stderr]   Downloaded unicode-general-category v0.2.0
[INFO] [stderr]   Downloaded lru v0.5.3
[INFO] [stderr]   Downloaded clipboard-win v3.1.1
[INFO] [stderr]   Downloaded lyon_svg v0.17.1
[INFO] [stderr]   Downloaded num_enum_derive v0.5.1
[INFO] [stderr]   Downloaded roxmltree v0.13.1
[INFO] [stderr]   Downloaded sixtyfps-corelib v0.0.5
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded pathfinder_simd v0.5.0
[INFO] [stderr]   Downloaded sixtyfps v0.0.5
[INFO] [stderr]   Downloaded spin_on v0.1.1
[INFO] [stderr]   Downloaded glow v0.7.2
[INFO] [stderr]   Downloaded strum_macros v0.20.1
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[INFO] [stderr]   Downloaded lyon_geom v0.17.0
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded svgtypes v0.5.0
[INFO] [stderr]   Downloaded pin-weak v1.0.0
[INFO] [stderr]   Downloaded rowan v0.12.6
[INFO] [stderr]   Downloaded auto_enums v0.7.12
[INFO] [stderr]   Downloaded imgref v1.7.1
[INFO] [stderr]   Downloaded cpp_macros v0.5.6
[INFO] [stderr]   Downloaded lyon_tessellation v0.17.5
[INFO] [stderr]   Downloaded cpp_common v0.5.6
[INFO] [stderr]   Downloaded sixtyfps-rendering-backend-default v0.0.5
[INFO] [stderr]   Downloaded sixtyfps-compilerlib v0.0.5
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[INFO] [stderr]   Downloaded unicode-bidi-mirroring v0.1.0
[INFO] [stderr]   Downloaded unicode-ccc v0.1.1
[INFO] [stderr]   Downloaded const-field-offset v0.1.0
[INFO] [stderr]   Downloaded css-color-parser2 v1.0.1
[INFO] [stderr]   Downloaded lyon_algorithms v0.17.4
[INFO] [stderr]   Downloaded codemap-diagnostic v0.1.1
[INFO] [stderr]   Downloaded slotmap v0.4.0
[INFO] [stderr]   Downloaded xmlwriter v0.1.0
[INFO] [stderr]   Downloaded cpp_build v0.5.6
[INFO] [stderr]   Downloaded pathfinder_geometry v0.5.1
[INFO] [stderr]   Downloaded weak-table v0.3.0
[INFO] [stderr]   Downloaded num_enum v0.5.1
[INFO] [stderr]   Downloaded lyon_path v0.17.1
[INFO] [stderr]   Downloaded lyon v0.17.5
[INFO] [stderr]   Downloaded sixtyfps-build v0.0.5
[INFO] [stderr]   Downloaded smol_str v0.1.17
[INFO] [stderr]   Downloaded servo-fontconfig v0.5.1
[INFO] [stderr]   Downloaded freetype-sys v0.13.1
[INFO] [stderr]   Downloaded resvg v0.13.1
[INFO] [stderr]   Downloaded rustybuzz v0.3.0
[INFO] [stderr]   Downloaded servo-fontconfig-sys v5.1.0
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0311838c571b2cb59798d475f118246067b60a8dd42f165367cb1d84c560277
[INFO] running `Command { std: "docker" "start" "-a" "d0311838c571b2cb59798d475f118246067b60a8dd42f165367cb1d84c560277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0311838c571b2cb59798d475f118246067b60a8dd42f165367cb1d84c560277", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0311838c571b2cb59798d475f118246067b60a8dd42f165367cb1d84c560277", kill_on_drop: false }`
[INFO] [stdout] d0311838c571b2cb59798d475f118246067b60a8dd42f165367cb1d84c560277
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb4e9f8a2a8fbfc81bc59d5e6b9587051fdd2c993b079fa21afbe6b3285aae89
[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" "fb4e9f8a2a8fbfc81bc59d5e6b9587051fdd2c993b079fa21afbe6b3285aae89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.61
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]     Checking xml-rs v0.8.3
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]    Compiling sixtyfps-compilerlib v0.0.5
[INFO] [stderr]    Compiling text-size v1.1.0
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling codemap v0.1.3
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling countme v2.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling by_address v1.0.4
[INFO] [stderr]     Checking glow v0.7.2
[INFO] [stderr]     Checking imgref v1.7.1
[INFO] [stderr]     Checking lru v0.5.3
[INFO] [stderr]    Compiling smol_str v0.1.17
[INFO] [stderr]     Checking scoped-tls-hkt v0.1.2
[INFO] [stderr]     Checking pin-weak v1.0.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking weak-table v0.3.0
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]     Checking float-ord v0.2.0
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling cmake v0.1.45
[INFO] [stderr]    Compiling time v0.2.25
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]     Checking rgb v0.8.25
[INFO] [stderr]    Compiling css-color-parser2 v1.0.1
[INFO] [stderr]     Checking safe_arch v0.5.2
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking data-url v0.1.0
[INFO] [stderr]     Checking svgtypes v0.5.0
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling spin_on v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.1
[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]    Compiling auto_enums_derive v0.7.12
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling servo-fontconfig-sys v5.1.0
[INFO] [stderr]     Checking dlib v0.5.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking svgfilters v0.2.0
[INFO] [stderr]     Checking wide v0.6.4
[INFO] [stderr]    Compiling freetype-sys v0.13.1
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling pathfinder_simd v0.5.0
[INFO] [stderr]     Checking simplecss v0.2.0
[INFO] [stderr]     Checking fontdb v0.5.1
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking rustybuzz v0.3.0
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking stretch v0.3.2
[INFO] [stderr]    Compiling rowan v0.12.6
[INFO] [stderr]     Checking triomphe v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking memmap2 v0.1.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking tiny-skia v0.4.2
[INFO] [stderr]    Compiling codemap-diagnostic v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking euclid v0.22.2
[INFO] [stderr]     Checking sid v0.6.1
[INFO] [stderr]    Compiling xcb v0.9.0
[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-0.6.22/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=9e9531b190d3ae50 -C extra-filename=-9e9531b190d3ae50 --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" "fb4e9f8a2a8fbfc81bc59d5e6b9587051fdd2c993b079fa21afbe6b3285aae89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb4e9f8a2a8fbfc81bc59d5e6b9587051fdd2c993b079fa21afbe6b3285aae89", kill_on_drop: false }`
[INFO] [stdout] fb4e9f8a2a8fbfc81bc59d5e6b9587051fdd2c993b079fa21afbe6b3285aae89