[INFO] cloning repository https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-websocket-benchmark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-websocket-benchmark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0b48bdcca52198434f7862c6cc26b405fc77dc81
[INFO] checking Yokeshthirumoorthi/rust-websocket-benchmark against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYokeshthirumoorthi%2Frust-websocket-benchmark" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark
[INFO] finished tweaking git repo https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark
[INFO] tweaked toml for git repo https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/Yokeshthirumoorthi/rust-websocket-benchmark already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded memchr v2.0.2
[INFO] [stderr]   Downloaded diesel_derives v1.3.0
[INFO] [stderr]   Downloaded diesel v1.3.2
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[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
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[INFO] [stderr]   Downloaded tokio-signal v0.1.5
[INFO] [stderr]   Downloaded actix_derive v0.2.0
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[INFO] [stderr]   Downloaded error-chain v0.1.12
[INFO] [stderr]   Downloaded pulldown-cmark v0.1.2
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded skeptic v0.13.3
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded cc v1.0.23
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.3
[INFO] [stderr]   Downloaded serde v1.0.76
[INFO] [stderr]   Downloaded lock_api v0.1.3
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[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded httparse v1.3.2
[INFO] [stderr]   Downloaded bytecount v0.3.2
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded libsqlite3-sys v0.9.3
[INFO] [stderr]   Downloaded cargo_metadata v0.5.8
[INFO] [stderr]   Downloaded ring v0.12.1
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded futures v0.1.23
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded parking_lot_core v0.3.0
[INFO] [stderr]   Downloaded trust-dns-resolver v0.8.2
[INFO] [stderr]   Downloaded ipconfig v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.3.3
[INFO] [stderr]   Downloaded actix v0.5.8
[INFO] [stderr]   Downloaded cookie v0.10.1
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded flate2 v1.0.2
[INFO] [stderr]   Downloaded http v0.1.10
[INFO] [stderr]   Downloaded regex v1.0.4
[INFO] [stderr]   Downloaded actix-web v0.6.15
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[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded mio v0.6.15
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[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
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[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 003c9c4c629d1d7a2e56ba09f99a764dbf5a3d9ed8800418252c1c70da87ec69
[INFO] running `Command { std: "docker" "start" "-a" "003c9c4c629d1d7a2e56ba09f99a764dbf5a3d9ed8800418252c1c70da87ec69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "003c9c4c629d1d7a2e56ba09f99a764dbf5a3d9ed8800418252c1c70da87ec69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003c9c4c629d1d7a2e56ba09f99a764dbf5a3d9ed8800418252c1c70da87ec69", kill_on_drop: false }`
[INFO] [stdout] 003c9c4c629d1d7a2e56ba09f99a764dbf5a3d9ed8800418252c1c70da87ec69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98047528ac7e32124c211b9e2beecdc6de939a9640696905cac4e46e45d48233
[INFO] running `Command { std: "docker" "start" "-a" "98047528ac7e32124c211b9e2beecdc6de939a9640696905cac4e46e45d48233", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.23
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling same-file v1.0.3
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling bytecount v0.3.2
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking safemem v0.2.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling regex v1.0.4
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking http-range v0.1.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling walkdir v2.2.5
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.1.0
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]    Compiling actix-web v0.6.15
[INFO] [stderr]     Checking base64 v0.6.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking base64 v0.9.2
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[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-0.5.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=e26c06fcbcacd117 -C extra-filename=-e26c06fcbcacd117 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-eb04546699b803c6.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" "98047528ac7e32124c211b9e2beecdc6de939a9640696905cac4e46e45d48233", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98047528ac7e32124c211b9e2beecdc6de939a9640696905cac4e46e45d48233", kill_on_drop: false }`
[INFO] [stdout] 98047528ac7e32124c211b9e2beecdc6de939a9640696905cac4e46e45d48233