[INFO] cloning repository https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRythm-bot%2Frusty-cloudflare-dns-balancer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRythm-bot%2Frusty-cloudflare-dns-balancer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cad6e4f2bab0513c50539f3f1965c783783822f4
[INFO] building Rythm-bot/rusty-cloudflare-dns-balancer against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRythm-bot%2Frusty-cloudflare-dns-balancer" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer
[INFO] finished tweaking git repo https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer
[INFO] tweaked toml for git repo https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/Rythm-bot/rusty-cloudflare-dns-balancer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 304ef99428db90e9abfa925ba9b53509fc513f1a7e4321c63fc88312c7c153b0
[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" "304ef99428db90e9abfa925ba9b53509fc513f1a7e4321c63fc88312c7c153b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "304ef99428db90e9abfa925ba9b53509fc513f1a7e4321c63fc88312c7c153b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "304ef99428db90e9abfa925ba9b53509fc513f1a7e4321c63fc88312c7c153b0", kill_on_drop: false }`
[INFO] [stdout] 304ef99428db90e9abfa925ba9b53509fc513f1a7e4321c63fc88312c7c153b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 72767dc6a0c62a0e6cdba0576ea3a1ab5a9c4a79f13c0d174b94a1c29d697dc7
[INFO] running `Command { std: "docker" "start" "-a" "72767dc6a0c62a0e6cdba0576ea3a1ab5a9c4a79f13c0d174b94a1c29d697dc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling httparse v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]    Compiling slab v0.4.3
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.14
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling httpdate v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling tower-service v0.3.1
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling arc-swap v1.2.0
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling protobuf v2.22.1
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling utf-8 v0.7.6
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling prometheus v0.12.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling futures-channel v0.3.14
[INFO] [stderr]    Compiling semver v0.10.0
[INFO] [stderr]    Compiling http v0.2.4
[INFO] [stderr]    Compiling input_buffer v0.4.0
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling libflate v1.1.0
[INFO] [stderr]    Compiling futures-util v0.3.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling buf_redux v0.8.4
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling cc v1.0.67
[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-0.6.23/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=4fc315958e360e1e -C extra-filename=-4fc315958e360e1e --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" "72767dc6a0c62a0e6cdba0576ea3a1ab5a9c4a79f13c0d174b94a1c29d697dc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72767dc6a0c62a0e6cdba0576ea3a1ab5a9c4a79f13c0d174b94a1c29d697dc7", kill_on_drop: false }`
[INFO] [stdout] 72767dc6a0c62a0e6cdba0576ea3a1ab5a9c4a79f13c0d174b94a1c29d697dc7
