[INFO] cloning repository https://github.com/snoir/apacheta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snoir/apacheta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoir%2Fapacheta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoir%2Fapacheta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0ae1d2abcb09244d6aea07a0ff441ae201b9478f
[INFO] testing snoir/apacheta against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoir%2Fapacheta" "/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/snoir/apacheta on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snoir/apacheta
[INFO] finished tweaking git repo https://github.com/snoir/apacheta
[INFO] tweaked toml for git repo https://github.com/snoir/apacheta written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/snoir/apacheta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b60cf022fce9188d90db70cf373495f47916c772213ff45d2bd82f85c347b856
[INFO] running `Command { std: "docker" "start" "-a" "b60cf022fce9188d90db70cf373495f47916c772213ff45d2bd82f85c347b856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b60cf022fce9188d90db70cf373495f47916c772213ff45d2bd82f85c347b856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b60cf022fce9188d90db70cf373495f47916c772213ff45d2bd82f85c347b856", kill_on_drop: false }`
[INFO] [stdout] b60cf022fce9188d90db70cf373495f47916c772213ff45d2bd82f85c347b856
[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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a82103e6df79344e0532bf3331fd8e36721d24130e98cca9591e7467c12d7b24
[INFO] running `Command { std: "docker" "start" "-a" "a82103e6df79344e0532bf3331fd8e36721d24130e98cca9591e7467c12d7b24", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling matrixmultiply v0.1.14
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling matches v0.1.6
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling cgmath v0.16.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling openssl v0.10.18
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling clamp v0.1.0
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.16
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling humansize v1.1.0
[INFO] [stderr]    Compiling assert_approx_eq v1.0.0
[INFO] [stderr]    Compiling xml-rs v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling inflate v0.4.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling term v0.5.1
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling gif v0.10.1
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling slug v0.1.3
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling smallvec v0.6.3
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling gexiv2-sys v1.0.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling libflate v0.1.20
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling tokio-current-thread v0.1.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling approx v0.2.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling crossbeam-deque v0.6.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling openssl-sys v0.9.41
[INFO] [stderr]    Compiling generic-array v0.11.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling alga v0.6.0
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling http v0.1.16
[INFO] [stderr]    Compiling phf v0.7.24
[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-0.6.2/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=0595450d6930813e -C extra-filename=-0595450d6930813e --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-4d5aff6136066490.rmeta --cap-lints allow --cap-lints=warn` (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" "a82103e6df79344e0532bf3331fd8e36721d24130e98cca9591e7467c12d7b24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a82103e6df79344e0532bf3331fd8e36721d24130e98cca9591e7467c12d7b24", kill_on_drop: false }`
[INFO] [stdout] a82103e6df79344e0532bf3331fd8e36721d24130e98cca9591e7467c12d7b24