[INFO] cloning repository https://github.com/arve0/actix-stackoverflow
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arve0/actix-stackoverflow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farve0%2Factix-stackoverflow", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farve0%2Factix-stackoverflow'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7befa40aefed148c712531969abfe87cba2b235f
[INFO] checking arve0/actix-stackoverflow against master#18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb for pr-96970
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farve0%2Factix-stackoverflow" "/workspace/builds/worker-28/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-28/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arve0/actix-stackoverflow on toolchain 18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arve0/actix-stackoverflow
[INFO] finished tweaking git repo https://github.com/arve0/actix-stackoverflow
[INFO] tweaked toml for git repo https://github.com/arve0/actix-stackoverflow written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate git repo https://github.com/arve0/actix-stackoverflow already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "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 serde v1.0.94
[INFO] [stderr]   Downloaded crossbeam-utils v0.6.5
[INFO] [stderr]   Downloaded awc v0.2.2
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded aho-corasick v0.7.4
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded parking_lot_core v0.4.0
[INFO] [stderr]   Downloaded tokio-udp v0.1.3
[INFO] [stderr]   Downloaded adler32 v1.0.3
[INFO] [stderr]   Downloaded actix-http v0.2.5
[INFO] [stderr]   Downloaded chrono v0.4.7
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded derive_more v0.14.1
[INFO] [stderr]   Downloaded futures v0.1.28
[INFO] [stderr]   Downloaded actix-rt v0.2.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.8
[INFO] [stderr]   Downloaded actix-web v1.0.3
[INFO] [stderr]   Downloaded serde_derive v1.0.94
[INFO] [stderr]   Downloaded regex v1.1.9
[INFO] [stderr]   Downloaded ryu v1.0.0
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] [stderr]   Downloaded cfg-if v0.1.9
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded owning_ref v0.4.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded actix-server v0.5.1
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded miniz_oxide v0.2.2
[INFO] [stderr]   Downloaded syn v0.15.39
[INFO] [stderr]   Downloaded signal-hook v0.1.9
[INFO] [stderr]   Downloaded tokio-sync v0.1.6
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.5
[INFO] [stderr]   Downloaded actix-utils v0.4.2
[INFO] [stderr]   Downloaded flate2 v1.0.9
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded indexmap v1.0.2
[INFO] [stderr]   Downloaded scopeguard v0.3.3
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded failure_derive v0.1.5
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded stable_deref_trait v1.1.1
[INFO] [stderr]   Downloaded actix-service v0.4.1
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
[INFO] [stderr]   Downloaded winreg v0.6.0
[INFO] [stderr]   Downloaded failure v0.1.5
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded mime v0.3.13
[INFO] [stderr]   Downloaded bitflags v1.1.0
[INFO] [stderr]   Downloaded socket2 v0.3.9
[INFO] [stderr]   Downloaded unicase v2.4.0
[INFO] [stderr]   Downloaded pkg-config v0.3.14
[INFO] [stderr]   Downloaded lock_api v0.2.0
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.2
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.0.1
[INFO] [stderr]   Downloaded actix-server-config v0.1.1
[INFO] [stderr]   Downloaded backtrace v0.3.32
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded openssl v0.10.23
[INFO] [stderr]   Downloaded tokio-reactor v0.1.9
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded synstructure v0.10.2
[INFO] [stderr]   Downloaded actix-connect v0.2.0
[INFO] [stderr]   Downloaded actix-web-codegen v0.1.2
[INFO] [stderr]   Downloaded actix-threadpool v0.1.1
[INFO] [stderr]   Downloaded parking_lot v0.7.1
[INFO] [stderr]   Downloaded lock_api v0.1.5
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded openssl-sys v0.9.47
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded backtrace-sys v0.1.30
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.8
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.17
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98eec51cf184291c1b2dc6fc9a589123b7dd6f2ec276b88ae593e6fbaaec9351
[INFO] running `Command { std: "docker" "start" "-a" "98eec51cf184291c1b2dc6fc9a589123b7dd6f2ec276b88ae593e6fbaaec9351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98eec51cf184291c1b2dc6fc9a589123b7dd6f2ec276b88ae593e6fbaaec9351", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98eec51cf184291c1b2dc6fc9a589123b7dd6f2ec276b88ae593e6fbaaec9351", kill_on_drop: false }`
[INFO] [stdout] 98eec51cf184291c1b2dc6fc9a589123b7dd6f2ec276b88ae593e6fbaaec9351
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+18bd2dd5cda08b09ace6e37c1a0312e9b2bb4beb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b0c78f2c790153e62beaf7600e48732636d69e8e4050bb03b6d3e6415a4794d
[INFO] running `Command { std: "docker" "start" "-a" "8b0c78f2c790153e62beaf7600e48732636d69e8e4050bb03b6d3e6415a4794d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking arc-swap v0.3.11
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking indexmap v1.0.2
[INFO] [stderr]     Checking copyless v0.1.4
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[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 num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking mime v0.3.13
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking socket2 v0.3.9
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking signal-hook-registry v1.0.1
[INFO] [stderr]     Checking time v0.1.42
[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-0.6.8/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=138b3956f519679f -C extra-filename=-138b3956f519679f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-32f182af8d1803e6.rmeta --cap-lints allow --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8b0c78f2c790153e62beaf7600e48732636d69e8e4050bb03b6d3e6415a4794d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0c78f2c790153e62beaf7600e48732636d69e8e4050bb03b6d3e6415a4794d", kill_on_drop: false }`
[INFO] [stdout] 8b0c78f2c790153e62beaf7600e48732636d69e8e4050bb03b6d3e6415a4794d