[INFO] fetching crate sim2h_server 0.0.52-alpha2...
[INFO] testing sim2h_server-0.0.52-alpha2 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] extracting crate sim2h_server 0.0.52-alpha2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sim2h_server 0.0.52-alpha2 on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sim2h_server 0.0.52-alpha2
[INFO] finished tweaking crates.io crate sim2h_server 0.0.52-alpha2
[INFO] tweaked toml for crates.io crate sim2h_server 0.0.52-alpha2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate sim2h_server 0.0.52-alpha2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zip v0.3.3
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded protobuf v2.14.0
[INFO] [stderr]   Downloaded lib3h_mdns v0.0.42
[INFO] [stderr]   Downloaded http_req v0.2.1
[INFO] [stderr]   Downloaded rusoto_sts v0.40.0
[INFO] [stderr]   Downloaded predicates v1.0.1
[INFO] [stderr]   Downloaded rust-base58 v0.0.4
[INFO] [stderr]   Downloaded holochain_json_derive v0.0.23
[INFO] [stderr]   Downloaded rust_sodium_holochain_fork-sys v0.10.4
[INFO] [stderr]   Downloaded holochain_logging v0.0.7
[INFO] [stderr]   Downloaded integer-encoding v1.1.5
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] [stderr]   Downloaded pem v0.7.0
[INFO] [stderr]   Downloaded num-derive v0.2.4
[INFO] [stderr]   Downloaded capnp v0.10.0
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[INFO] [stderr]   Downloaded parking_lot_core v0.5.0
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[INFO] [stderr]   Downloaded syn v0.15.31
[INFO] [stderr]   Downloaded opentelemetry v0.2.0
[INFO] [stderr]   Downloaded backtrace v0.3.27
[INFO] [stderr]   Downloaded lib3h_sodium v0.0.42
[INFO] [stderr]   Downloaded pin-project-internal v0.4.25
[INFO] [stderr]   Downloaded rusoto_credential v0.40.0
[INFO] [stderr]   Downloaded newrelic-sys v0.2.0
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[INFO] [stderr]   Downloaded thrift v0.13.0
[INFO] [stderr]   Downloaded miniz_oxide v0.4.2
[INFO] [stderr]   Downloaded sha1 v0.5.0
[INFO] [stderr]   Downloaded multihash v0.8.0
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded lib3h_crypto_api v0.0.42
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded tokio-process v0.2.5
[INFO] [stderr]   Downloaded utf8parse v0.1.1
[INFO] [stderr]   Downloaded parking_lot v0.4.8
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded detach v0.0.42
[INFO] [stderr]   Downloaded num-complex v0.2.1
[INFO] [stderr]   Downloaded unwrap v1.2.1
[INFO] [stderr]   Downloaded sized-chunks v0.5.3
[INFO] [stderr]   Downloaded parity-wasm v0.31.3
[INFO] [stderr]   Downloaded zeroize v0.10.1
[INFO] [stderr]   Downloaded holochain_core_types v0.0.52-alpha2
[INFO] [stderr]   Downloaded toml v0.5.0
[INFO] [stderr]   Downloaded newrelic v0.2.2
[INFO] [stderr]   Downloaded lib3h_protocol v0.0.42
[INFO] [stderr]   Downloaded holochain_tracing_macros v0.0.24
[INFO] [stderr]   Downloaded wasmi v0.4.4
[INFO] [stderr]   Downloaded crypto-mac v0.5.2
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded md5 v0.3.8
[INFO] [stderr]   Downloaded holochain_json_api v0.0.23
[INFO] [stderr]   Downloaded lib3h v0.0.42
[INFO] [stderr]   Downloaded vte v0.3.3
[INFO] [stderr]   Downloaded hcid v0.0.6
[INFO] [stderr]   Downloaded holochain_persistence_api v0.0.18
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[INFO] [stderr]   Downloaded in_stream v0.0.52-alpha2
[INFO] [stderr]   Downloaded rmp v0.8.7
[INFO] [stderr]   Downloaded objekt v0.1.2
[INFO] [stderr]   Downloaded sim2h v0.0.52-alpha2
[INFO] [stderr]   Downloaded ring v0.16.12
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.3
[INFO] [stderr]   Downloaded sharded-slab v0.0.8
[INFO] [stderr]   Downloaded lib3h_zombie_actor v0.0.42
[INFO] [stderr]   Downloaded rusoto_core v0.40.0
[INFO] [stderr]   Downloaded filetime v0.2.12
[INFO] [stderr]   Downloaded flate2 v1.0.18
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]   Downloaded lock_api v0.2.0
[INFO] [stderr]   Downloaded colored v1.7.0
[INFO] [stderr]   Downloaded directories v1.0.2
[INFO] [stderr]   Downloaded holochain_locksmith v0.0.52-alpha2
[INFO] [stderr]   Downloaded yasna v0.3.1
[INFO] [stderr]   Downloaded rusoto_logs v0.40.0
[INFO] [stderr]   Downloaded holochain_tracing v0.0.24
[INFO] [stderr]   Downloaded twox-hash v1.5.0
[INFO] [stderr]   Downloaded serde_json v1.0.47
[INFO] [stderr]   Downloaded tracing-futures v0.2.2
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] [stderr]   Downloaded tracing-core v0.1.10
[INFO] [stderr]   Downloaded chashmap v2.2.2
[INFO] [stderr]   Downloaded mashup-impl v0.1.12
[INFO] [stderr]   Downloaded holochain_common v0.0.52-alpha2
[INFO] [stderr]   Downloaded streaming-stats v0.2.2
[INFO] [stderr]   Downloaded holochain_metrics v0.0.52-alpha2
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded zeroize v0.9.2
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded strip-ansi-escapes v0.1.0
[INFO] [stderr]   Downloaded smallvec v1.4.2
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded rustracing v0.2.1
[INFO] [stderr]   Downloaded zeroize_derive v0.9.3
[INFO] [stderr]   Downloaded tracing-serde v0.1.1
[INFO] [stderr]   Downloaded rust_sodium_holochain_fork v0.10.2
[INFO] [stderr]   Downloaded thrift_codec v0.1.1
[INFO] [stderr]   Downloaded opentelemetry-jaeger v0.1.0
[INFO] [stderr]   Downloaded rustracing_jaeger v0.2.1
[INFO] [stderr]   Downloaded tokio v0.2.11
[INFO] [stderr]   Downloaded lib3h_p2p_protocol v0.0.42
[INFO] [stderr]   Downloaded pin-project v0.4.25
[INFO] [stderr]   Downloaded nanoid v0.2.0
[INFO] [stderr]   Downloaded parking_lot v0.8.0
[INFO] [stderr]   Downloaded shrinkwraprs v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 004795b71e8ce0d4c26aed63ca4f19416cf55f2b448788f1f5cfad441d695f13
[INFO] running `Command { std: "docker" "start" "-a" "004795b71e8ce0d4c26aed63ca4f19416cf55f2b448788f1f5cfad441d695f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "004795b71e8ce0d4c26aed63ca4f19416cf55f2b448788f1f5cfad441d695f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "004795b71e8ce0d4c26aed63ca4f19416cf55f2b448788f1f5cfad441d695f13", kill_on_drop: false }`
[INFO] [stdout] 004795b71e8ce0d4c26aed63ca4f19416cf55f2b448788f1f5cfad441d695f13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 553a23594ce0f19c2bc9ac0eb60c009b608a670d9d448a76e21a8cc9e923e185
[INFO] running `Command { std: "docker" "start" "-a" "553a23594ce0f19c2bc9ac0eb60c009b608a670d9d448a76e21a8cc9e923e185", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling ppv-lite86 v0.2.9
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling tinyvec v0.3.4
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling pin-project-internal v0.4.25
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
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[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling arc-swap v0.4.7
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling try-lock v0.2.3
[INFO] [stderr]    Compiling sha1 v0.5.0
[INFO] [stderr]    Compiling holochain_json_api v0.0.23
[INFO] [stderr]    Compiling podio v0.1.7
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling reed-solomon v0.2.1
[INFO] [stderr]    Compiling integer-encoding v1.1.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling smallvec v1.4.2
[INFO] [stderr]    Compiling holochain_persistence_api v0.0.18
[INFO] [stderr]    Compiling unwrap v1.2.1
[INFO] [stderr]    Compiling objekt v0.1.2
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling futures-sink v0.3.5
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling once_cell v1.4.1
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling md5 v0.3.8
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling utf8parse v0.1.1
[INFO] [stderr]    Compiling utf-8 v0.7.5
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling zeroize v0.10.1
[INFO] [stderr]    Compiling detach v0.0.42
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.10
[INFO] [stderr]    Compiling detach v0.0.19
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling tracing-core v0.1.10
[INFO] [stderr]    Compiling sharded-slab v0.0.8
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling backtrace v0.3.27
[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-iter v0.1.39
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.2
[INFO] [stderr]    Compiling hcid v0.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling backtrace-sys v0.1.37
[INFO] [stderr]    Compiling bzip2-sys v0.1.9+1.0.8
[INFO] [stderr]    Compiling ring v0.16.12
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.2.1
[INFO] [stderr]    Compiling filetime v0.2.12
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling im v14.0.0
[INFO] [stderr]    Compiling strip-ansi-escapes v0.1.0
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling smallvec v0.6.13
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling base64 v0.9.3
[INFO] [stderr]    Compiling parity-wasm v0.31.3
[INFO] [stderr]    Compiling capnp v0.10.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling msdos_time v0.1.6
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling nanoid v0.2.0
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling streaming-stats v0.2.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling holochain_common v0.0.52-alpha2
[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-0.6.18/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=0bf2c0c5f07aac96 -C extra-filename=-0bf2c0c5f07aac96 --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" "553a23594ce0f19c2bc9ac0eb60c009b608a670d9d448a76e21a8cc9e923e185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "553a23594ce0f19c2bc9ac0eb60c009b608a670d9d448a76e21a8cc9e923e185", kill_on_drop: false }`
[INFO] [stdout] 553a23594ce0f19c2bc9ac0eb60c009b608a670d9d448a76e21a8cc9e923e185