[INFO] cloning repository https://github.com/gottstech/gotts
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gottstech/gotts" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgottstech%2Fgotts", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgottstech%2Fgotts'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7b284fbecc61f3d8dde17869f65244ef309e34de
[INFO] checking gottstech/gotts against master#1be5c8f90912c446ecbdc405cbc4a89f9acd20fd for pr-93394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgottstech%2Fgotts" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gottstech/gotts on toolchain 1be5c8f90912c446ecbdc405cbc4a89f9acd20fd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/.cargo/config
[INFO] started tweaking git repo https://github.com/gottstech/gotts
[INFO] finished tweaking git repo https://github.com/gottstech/gotts
[INFO] tweaked toml for git repo https://github.com/gottstech/gotts written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/gottstech/gotts already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae73ab3786c73187434cad58bd7550383d1e36e2f140a6f3ca33b2521186cf9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1ae73ab3786c73187434cad58bd7550383d1e36e2f140a6f3ca33b2521186cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae73ab3786c73187434cad58bd7550383d1e36e2f140a6f3ca33b2521186cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae73ab3786c73187434cad58bd7550383d1e36e2f140a6f3ca33b2521186cf9", kill_on_drop: false }`
[INFO] [stdout] 1ae73ab3786c73187434cad58bd7550383d1e36e2f140a6f3ca33b2521186cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1be5c8f90912c446ecbdc405cbc4a89f9acd20fd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bae3f3cc9c77a9d37afd5e6310e9f1a4352072fcfdfc0b564122e50e1fe1d2a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "1bae3f3cc9c77a9d37afd5e6310e9f1a4352072fcfdfc0b564122e50e1fe1d2a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking hex v0.4.1
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling regex-syntax v0.6.14
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]    Compiling bindgen v0.52.0
[INFO] [stderr]    Compiling yaml-rust v0.3.5
[INFO] [stderr]    Compiling termcolor v1.1.0
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]     Checking bech32 v0.7.2
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]     Checking supercow v0.1.0
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]     Checking array-macro v1.0.3
[INFO] [stderr]     Checking hashbrown v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking tokio-sync v0.1.8
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking enum-map-internals v0.1.3
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking thread-id v3.3.0
[INFO] [stderr]     Checking parking_lot_core v0.7.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking filetime v0.2.8
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking zip v0.5.4
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling which v3.1.0
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking signal-hook v0.1.13
[INFO] [stderr]     Checking parking_lot v0.10.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]     Checking tokio-executor v0.1.10
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking ripemd160 v0.8.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking tokio-timer v0.2.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.7
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling gotts_secp256k1zkp v0.7.10 (https://github.com/gottstech/rust-secp256k1-zkp?rev=babb0a4#babb0a47)
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libgit2-sys v0.10.0
[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-0.6.14/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 --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=322723a608f61e50 -C extra-filename=-322723a608f61e50 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --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" "1bae3f3cc9c77a9d37afd5e6310e9f1a4352072fcfdfc0b564122e50e1fe1d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bae3f3cc9c77a9d37afd5e6310e9f1a4352072fcfdfc0b564122e50e1fe1d2a", kill_on_drop: false }`
[INFO] [stdout] 1bae3f3cc9c77a9d37afd5e6310e9f1a4352072fcfdfc0b564122e50e1fe1d2a