[INFO] cloning repository https://github.com/swallez/risso
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/swallez/risso" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswallez%2Frisso", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswallez%2Frisso'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ef86f91836f7014d60538b820186bf2c4c44b60a
[INFO] checking swallez/risso against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fswallez%2Frisso" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/swallez/risso 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] started tweaking git repo https://github.com/swallez/risso
[INFO] finished tweaking git repo https://github.com/swallez/risso
[INFO] tweaked toml for git repo https://github.com/swallez/risso written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/swallez/risso 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b481b14393586a9b51cf18602c75c46c1c935f583c39b623aceef2689b9f960
[INFO] running `Command { std: "docker" "start" "-a" "7b481b14393586a9b51cf18602c75c46c1c935f583c39b623aceef2689b9f960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b481b14393586a9b51cf18602c75c46c1c935f583c39b623aceef2689b9f960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b481b14393586a9b51cf18602c75c46c1c935f583c39b623aceef2689b9f960", kill_on_drop: false }`
[INFO] [stdout] 7b481b14393586a9b51cf18602c75c46c1c935f583c39b623aceef2689b9f960
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98e26243448fbf4e0793695d73f877280a8975315bf4c991c9f8159414940d36
[INFO] running `Command { std: "docker" "start" "-a" "98e26243448fbf4e0793695d73f877280a8975315bf4c991c9f8159414940d36", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling arrayvec v0.4.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking string_cache_shared v0.3.0
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling protobuf v2.2.0
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking arc-swap v0.3.6
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling if_chain v0.1.3
[INFO] [stderr]     Checking spin v0.4.10
[INFO] [stderr]     Checking rust-ini v0.12.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking md5 v0.5.0
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking intern v0.2.0
[INFO] [stderr]     Checking getopts v0.2.18
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling actix-web v0.7.16
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]    Compiling openssl-sys v0.9.40
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]     Checking r2d2 v0.8.3
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking md-5 v0.7.0
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking mime v0.3.12
[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-0.6.4/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 -C metadata=0e56f8ad867dab4d -C extra-filename=-0e56f8ad867dab4d --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-6788b4990e2fcc67.rmeta --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" "98e26243448fbf4e0793695d73f877280a8975315bf4c991c9f8159414940d36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e26243448fbf4e0793695d73f877280a8975315bf4c991c9f8159414940d36", kill_on_drop: false }`
[INFO] [stdout] 98e26243448fbf4e0793695d73f877280a8975315bf4c991c9f8159414940d36