[INFO] cloning repository https://github.com/VictorKoenders/email_client
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VictorKoenders/email_client" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Femail_client", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Femail_client'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7e3aa049cb9765a78cd1b0b23d3acc63377794b4
[INFO] documenting VictorKoenders/email_client against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVictorKoenders%2Femail_client" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VictorKoenders/email_client on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/VictorKoenders/email_client
[INFO] finished tweaking git repo https://github.com/VictorKoenders/email_client
[INFO] tweaked toml for git repo https://github.com/VictorKoenders/email_client written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/VictorKoenders/email_client already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/DenisKolodin/yew`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded utf8-ranges v1.0.1
[INFO] [stderr]   Downloaded error-chain v0.1.12
[INFO] [stderr]   Downloaded serde_json v1.0.32
[INFO] [stderr]   Downloaded backtrace v0.3.9
[INFO] [stderr]   Downloaded backtrace v0.2.3
[INFO] [stderr]   Downloaded native-tls v0.1.5
[INFO] [stderr]   Downloaded crypto-mac v0.6.2
[INFO] [stderr]   Downloaded email v0.0.20
[INFO] [stderr]   Downloaded dotenv v0.13.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.5
[INFO] [stderr]   Downloaded actix-web v0.7.13
[INFO] [stderr]   Downloaded crossbeam-utils v0.5.0
[INFO] [stderr]   Downloaded tokio-timer v0.2.7
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded parking_lot_core v0.3.1
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded mime_guess v2.0.0-alpha.6
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded h2 v0.1.13
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded diesel v1.3.3
[INFO] [stderr]   Downloaded lru-cache v0.1.1
[INFO] [stderr]   Downloaded error-chain v0.8.1
[INFO] [stderr]   Downloaded actix_derive v0.3.0
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
[INFO] [stderr]   Downloaded tokio-signal v0.2.5
[INFO] [stderr]   Downloaded cookie v0.11.0
[INFO] [stderr]   Downloaded log v0.4.5
[INFO] [stderr]   Downloaded unicode-normalization v0.1.7
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded linked-hash-map v0.4.2
[INFO] [stderr]   Downloaded crossbeam-channel v0.2.6
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.0
[INFO] [stderr]   Downloaded serde v1.0.80
[INFO] [stderr]   Downloaded tokio-io v0.1.9
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded actix v0.7.5
[INFO] [stderr]   Downloaded r2d2 v0.8.2
[INFO] [stderr]   Downloaded serde_derive v1.0.80
[INFO] [stderr]   Downloaded dbghelp-sys v0.2.0
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded miniz-sys v0.1.11
[INFO] [stderr]   Downloaded failure v0.1.3
[INFO] [stderr]   Downloaded miniz_oxide v0.2.0
[INFO] [stderr]   Downloaded miniz_oxide_c_api v0.2.0
[INFO] [stderr]   Downloaded string v0.1.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.7
[INFO] [stderr]   Downloaded mime v0.3.12
[INFO] [stderr]   Downloaded security-framework v0.1.16
[INFO] [stderr]   Downloaded socket2 v0.3.8
[INFO] [stderr]   Downloaded trust-dns-proto v0.5.0-alpha.5
[INFO] [stderr]   Downloaded rand_core v0.2.2
[INFO] [stderr]   Downloaded vcpkg v0.2.6
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded http v0.1.13
[INFO] [stderr]   Downloaded openssl v0.9.24
[INFO] [stderr]   Downloaded imap v0.8.1
[INFO] [stderr]   Downloaded failure_derive v0.1.3
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded futures v0.1.25
[INFO] [stderr]   Downloaded synstructure v0.10.0
[INFO] [stderr]   Downloaded slab v0.4.1
[INFO] [stderr]   Downloaded proc-macro2 v0.4.20
[INFO] [stderr]   Downloaded httparse v1.3.3
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.3
[INFO] [stderr]   Downloaded trust-dns-resolver v0.9.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.9
[INFO] [stderr]   Downloaded uuid v0.7.1
[INFO] [stderr]   Downloaded widestring v0.2.2
[INFO] [stderr]   Downloaded ipconfig v0.1.7
[INFO] [stderr]   Downloaded mio v0.6.16
[INFO] [stderr]   Downloaded protoc-rust v2.1.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.1.1
[INFO] [stderr]   Downloaded resolv-conf v0.6.1
[INFO] [stderr]   Downloaded lettre v0.8.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.10.0-alpha.3
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded syn v0.15.13
[INFO] [stderr]   Downloaded parking_lot v0.6.4
[INFO] [stderr]   Downloaded safemem v0.3.0
[INFO] [stderr]   Downloaded diesel_derives v1.3.0
[INFO] [stderr]   Downloaded actix-net v0.1.1
[INFO] [stderr]   Downloaded flate2 v1.0.4
[INFO] [stderr]   Downloaded url v1.7.1
[INFO] [stderr]   Downloaded security-framework-sys v0.1.16
[INFO] [stderr]   Downloaded backtrace-sys v0.1.24
[INFO] [stderr]   Downloaded markup5ever v0.7.3
[INFO] [stderr]   Downloaded serde_urlencoded v0.5.3
[INFO] [stderr]   Downloaded crossbeam-epoch v0.5.2
[INFO] [stderr]   Downloaded tokio-uds v0.2.2
[INFO] [stderr]   Downloaded tokio v0.1.11
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.3
[INFO] [stderr]   Downloaded quoted_printable v0.4.0
[INFO] [stderr]   Downloaded protobuf v2.1.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.2
[INFO] [stderr]   Downloaded regex v1.0.5
[INFO] [stderr]   Downloaded ring v0.13.2
[INFO] [stderr]   Downloaded html_sanitizer v0.1.1
[INFO] [stderr]   Downloaded stdweb-derive v0.5.0
[INFO] [stderr]   Downloaded lettre_email v0.8.2
[INFO] [stderr]   Downloaded protoc v2.1.1
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.0
[INFO] [stderr]   Downloaded imap-proto v0.4.1
[INFO] [stderr]   Downloaded mailparse v0.6.4
[INFO] [stderr]   Downloaded smallvec v0.6.5
[INFO] [stderr]   Downloaded openssl-sys v0.9.39
[INFO] [stderr]   Downloaded schannel v0.1.14
[INFO] [stderr]   Downloaded tokio-tcp v0.1.2
[INFO] [stderr]   Downloaded stdweb v0.4.9
[INFO] [stderr]   Downloaded memchr v2.1.0
[INFO] [stderr]   Downloaded rand_core v0.3.0
[INFO] [stderr]   Downloaded aho-corasick v0.6.8
[INFO] [stderr]   Downloaded hostname v0.1.5
[INFO] [stderr]   Downloaded hmac v0.6.3
[INFO] [stderr]   Downloaded winutil v0.1.1
[INFO] [stderr]   Downloaded md-5 v0.7.0
[INFO] [stderr]   Downloaded unicase v2.2.0
[INFO] [stderr]   Downloaded uuid v0.6.5
[INFO] [stderr]   Downloaded bincode v1.0.1
[INFO] [stderr]   Downloaded tower-service v0.1.0
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded scheduled-thread-pool v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ceab7ea1a9ef7fcc9ce59b617cf5d64e62aa7bb45571956e539cc1de018c67f
[INFO] running `Command { std: "docker" "start" "-a" "1ceab7ea1a9ef7fcc9ce59b617cf5d64e62aa7bb45571956e539cc1de018c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ceab7ea1a9ef7fcc9ce59b617cf5d64e62aa7bb45571956e539cc1de018c67f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ceab7ea1a9ef7fcc9ce59b617cf5d64e62aa7bb45571956e539cc1de018c67f", kill_on_drop: false }`
[INFO] [stdout] 1ceab7ea1a9ef7fcc9ce59b617cf5d64e62aa7bb45571956e539cc1de018c67f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "RUSTDOCFLAGS=--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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a421bdde18a89aa40d3c3aef868c7a57a933c65d427770e3e460095486787040
[INFO] running `Command { std: "docker" "start" "-a" "a421bdde18a89aa40d3c3aef868c7a57a933c65d427770e3e460095486787040", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking safemem v0.3.0
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking untrusted v0.6.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking discard v1.0.4
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking anymap v0.12.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking quoted_printable v0.4.0
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking encoding-index-japanese 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-singlebyte v1.20141219.5
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]    Compiling email v0.0.20
[INFO] [stderr]    Compiling actix-web v0.7.13
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr] error: could not compile `cc`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name cc /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cc-1.0.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=5286682129debe10 -C extra-filename=-5286682129debe10 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `unicode-normalization`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name unicode_normalization /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/unicode-normalization-0.1.7/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=c60f88b3ee6ef46f -C extra-filename=-c60f88b3ee6ef46f --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow` (signal: 9, SIGKILL: kill)
[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,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=8cb499496ceb3e5a -C extra-filename=-8cb499496ceb3e5a --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-a8f2e0f3f1f66f89.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[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,future-incompat --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=c95864321f803b8b -C extra-filename=-c95864321f803b8b --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-a8f2e0f3f1f66f89.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "a421bdde18a89aa40d3c3aef868c7a57a933c65d427770e3e460095486787040", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a421bdde18a89aa40d3c3aef868c7a57a933c65d427770e3e460095486787040", kill_on_drop: false }`
[INFO] [stdout] a421bdde18a89aa40d3c3aef868c7a57a933c65d427770e3e460095486787040