[INFO] fetching crate webterm 0.2.0...
[INFO] testing webterm-0.2.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate webterm 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate webterm 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate webterm 0.2.0
[INFO] finished tweaking crates.io crate webterm 0.2.0
[INFO] tweaked toml for crates.io crate webterm 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate webterm 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 005b47c235f6c934d2bb00493b28d69c8502be2bdbb6fb6b7cb1048d2b5edb88
[INFO] running `Command { std: "docker" "start" "-a" "005b47c235f6c934d2bb00493b28d69c8502be2bdbb6fb6b7cb1048d2b5edb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "005b47c235f6c934d2bb00493b28d69c8502be2bdbb6fb6b7cb1048d2b5edb88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "005b47c235f6c934d2bb00493b28d69c8502be2bdbb6fb6b7cb1048d2b5edb88", kill_on_drop: false }`
[INFO] [stdout] 005b47c235f6c934d2bb00493b28d69c8502be2bdbb6fb6b7cb1048d2b5edb88
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d936a13b4b66f38373e2cfc59e08715128075cce5f5902eddf2674edea6ee28
[INFO] running `Command { std: "docker" "start" "-a" "2d936a13b4b66f38373e2cfc59e08715128075cce5f5902eddf2674edea6ee28", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling encoding_rs v0.8.20
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling v_htmlescape v0.4.5
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling pest v2.1.2
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.8.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling tokio-executor v0.1.7
[INFO] [stderr]    Compiling tokio-sync v0.1.5
[INFO] [stderr]    Compiling actix-service v0.4.2
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling socket2 v0.3.9
[INFO] [stderr]    Compiling hostname v0.1.5
[INFO] [stderr]    Compiling signal-hook-registry v1.0.1
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling signal-hook v0.1.9
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling pest_meta v2.1.2
[INFO] [stderr]    Compiling resolv-conf v0.6.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling string v0.2.0
[INFO] [stderr]    Compiling url v2.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling rand v0.7.2
[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-0.6.6/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 -C metadata=7099c59c6304034c -C extra-filename=-7099c59c6304034c --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-ee0f14a2fe919c8a.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" "2d936a13b4b66f38373e2cfc59e08715128075cce5f5902eddf2674edea6ee28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d936a13b4b66f38373e2cfc59e08715128075cce5f5902eddf2674edea6ee28", kill_on_drop: false }`
[INFO] [stdout] 2d936a13b4b66f38373e2cfc59e08715128075cce5f5902eddf2674edea6ee28
