[INFO] cloning repository https://github.com/wobscale/pepbut
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wobscale/pepbut" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwobscale%2Fpepbut", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwobscale%2Fpepbut'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5335a3a592cbccab10e8af35b46c5bc5051f4b42
[INFO] checking wobscale/pepbut against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwobscale%2Fpepbut" "/workspace/builds/worker-75/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wobscale/pepbut 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/wobscale/pepbut
[INFO] finished tweaking git repo https://github.com/wobscale/pepbut
[INFO] tweaked toml for git repo https://github.com/wobscale/pepbut written to /workspace/builds/worker-75/source/Cargo.toml
[INFO] crate git repo https://github.com/wobscale/pepbut 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-hack v0.4.1
[INFO] [stderr]   Downloaded failure v0.1.2
[INFO] [stderr]   Downloaded synstructure v0.9.0
[INFO] [stderr]   Downloaded failure_derive v0.1.2
[INFO] [stderr]   Downloaded pest_derive v1.0.8
[INFO] [stderr]   Downloaded tokio-signal v0.2.5
[INFO] [stderr]   Downloaded proc-macro-hack-impl v0.4.1
[INFO] [stderr]   Downloaded trust-dns-proto v0.4.0
[INFO] [stderr]   Downloaded erased-serde v0.3.6
[INFO] [stderr]   Downloaded itertools-num v0.1.2
[INFO] [stderr]   Downloaded criterion-plot v0.2.5
[INFO] [stderr]   Downloaded syn v0.15.4
[INFO] [stderr]   Downloaded rmp v0.8.7
[INFO] [stderr]   Downloaded trust-dns v0.14.0
[INFO] [stderr]   Downloaded csv v1.0.1
[INFO] [stderr]   Downloaded criterion v0.2.5
[INFO] [stderr]   Downloaded tabwriter v1.1.0
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.4
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.4
[INFO] [stderr]   Downloaded safeword v0.1.0
[INFO] [stderr]   Downloaded radix_trie v0.1.3
[INFO] [stderr]   Downloaded users v0.7.0
[INFO] [stderr]   Downloaded criterion-stats v0.2.5
[INFO] [stderr]   Downloaded tokio-jsoncodec v0.1.0
[INFO] [stderr]   Downloaded serde_json v1.0.28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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] d30e4e4bb02cd5c10f50efdbbac9d6e93e4ba5cef08a31514d953b2d9bd18039
[INFO] running `Command { std: "docker" "start" "-a" "d30e4e4bb02cd5c10f50efdbbac9d6e93e4ba5cef08a31514d953b2d9bd18039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d30e4e4bb02cd5c10f50efdbbac9d6e93e4ba5cef08a31514d953b2d9bd18039", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d30e4e4bb02cd5c10f50efdbbac9d6e93e4ba5cef08a31514d953b2d9bd18039", kill_on_drop: false }`
[INFO] [stdout] d30e4e4bb02cd5c10f50efdbbac9d6e93e4ba5cef08a31514d953b2d9bd18039
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3738a722f2809d35f31bfdaa205c6d747db2ec9bc937c8c5feb8e1a2e3a6f5f7
[INFO] running `Command { std: "docker" "start" "-a" "3738a722f2809d35f31bfdaa205c6d747db2ec9bc937c8c5feb8e1a2e3a6f5f7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking cast v0.2.2
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.1
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking thread-scoped v1.0.2
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking tabwriter v1.1.0
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.4.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking users v0.7.0
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking radix_trie v0.1.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking term v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking criterion-plot v0.2.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking itertools-num v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]     Checking tokio-timer v0.2.6
[INFO] [stderr]     Checking tokio-current-thread v0.1.1
[INFO] [stderr]     Checking rmp v0.8.7
[INFO] [stderr]     Checking url v1.7.1
[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 --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 -C metadata=9fbdcaeaf6156c48 -C extra-filename=-9fbdcaeaf6156c48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-39f8d13831716366.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" "3738a722f2809d35f31bfdaa205c6d747db2ec9bc937c8c5feb8e1a2e3a6f5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3738a722f2809d35f31bfdaa205c6d747db2ec9bc937c8c5feb8e1a2e3a6f5f7", kill_on_drop: false }`
[INFO] [stdout] 3738a722f2809d35f31bfdaa205c6d747db2ec9bc937c8c5feb8e1a2e3a6f5f7
