[INFO] fetching crate katwebx 1.0.0-eval2...
[INFO] testing katwebx-1.0.0-eval2 against 1.55.0 for beta-1.56-1
[INFO] extracting crate katwebx 1.0.0-eval2 into /workspace/builds/worker-60/source
[INFO] validating manifest of crates.io crate katwebx 1.0.0-eval2 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 crates.io crate katwebx 1.0.0-eval2
[INFO] finished tweaking crates.io crate katwebx 1.0.0-eval2
[INFO] tweaked toml for crates.io crate katwebx 1.0.0-eval2 written to /workspace/builds/worker-60/source/Cargo.toml
[INFO] crate crates.io crate katwebx 1.0.0-eval2 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 tokio-reactor v0.1.9
[INFO] [stderr]   Downloaded toml v0.5.1
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
[INFO] [stderr]   Downloaded enum-as-inner v0.2.1
[INFO] [stderr]   Downloaded serde_derive v1.0.98
[INFO] [stderr]   Downloaded openssl-sys v0.9.48
[INFO] [stderr]   Downloaded actix_derive v0.4.0
[INFO] [stderr]   Downloaded hashbrown v0.3.1
[INFO] [stderr]   Downloaded actix-rt v0.2.4
[INFO] [stderr]   Downloaded autocfg v0.1.5
[INFO] [stderr]   Downloaded mime v0.3.13
[INFO] [stderr]   Downloaded tokio-signal v0.2.7
[INFO] [stderr]   Downloaded socket2 v0.3.9
[INFO] [stderr]   Downloaded owning_ref v0.4.0
[INFO] [stderr]   Downloaded http v0.1.17
[INFO] [stderr]   Downloaded actix-router v0.1.5
[INFO] [stderr]   Downloaded webpki-roots v0.16.0
[INFO] [stderr]   Downloaded actix v0.8.3
[INFO] [stderr]   Downloaded actix-web v1.0.5
[INFO] [stderr]   Downloaded tokio-udp v0.1.3
[INFO] [stderr]   Downloaded crossbeam-channel v0.3.8
[INFO] [stderr]   Downloaded hashbrown v0.5.0
[INFO] [stderr]   Downloaded actix-server-config v0.1.2
[INFO] [stderr]   Downloaded trust-dns-resolver v0.11.1
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded log v0.4.7
[INFO] [stderr]   Downloaded awc v0.2.2
[INFO] [stderr]   Downloaded sct v0.5.0
[INFO] [stderr]   Downloaded listenfd v0.3.3
[INFO] [stderr]   Downloaded actix-connect v0.2.3
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.0
[INFO] [stderr]   Downloaded actix-web-codegen v0.1.2
[INFO] [stderr]   Downloaded tokio-rustls v0.9.3
[INFO] [stderr]   Downloaded actix-utils v0.4.5
[INFO] [stderr]   Downloaded parking_lot_core v0.6.1
[INFO] [stderr]   Downloaded signal-hook v0.1.10
[INFO] [stderr]   Downloaded arc-swap v0.3.11
[INFO] [stderr]   Downloaded signal-hook-registry v1.0.1
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded encoding_rs v0.8.17
[INFO] [stderr]   Downloaded actix-server v0.6.0
[INFO] [stderr]   Downloaded openssl v0.10.24
[INFO] [stderr]   Downloaded actix-service v0.4.1
[INFO] [stderr]   Downloaded unicase v2.4.0
[INFO] [stderr]   Downloaded actix-threadpool v0.1.1
[INFO] [stderr]   Downloaded h2 v0.1.25
[INFO] [stderr]   Downloaded winreg v0.6.1
[INFO] [stderr]   Downloaded rustls v0.15.2
[INFO] [stderr]   Downloaded serde v1.0.98
[INFO] [stderr]   Downloaded webpki v0.19.1
[INFO] [stderr]   Downloaded actix-codec v0.1.2
[INFO] [stderr]   Downloaded backtrace v0.3.33
[INFO] [stderr]   Downloaded trust-dns-proto v0.7.4
[INFO] [stderr]   Downloaded openssl-src v111.3.0+1.1.1c
[INFO] [stderr]   Downloaded actix-http v0.2.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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] 786d71b5d8ae23f65d5c2432e1b0c73058ff06cb3f25120b18c8f3fa5e793957
[INFO] running `Command { std: "docker" "start" "-a" "786d71b5d8ae23f65d5c2432e1b0c73058ff06cb3f25120b18c8f3fa5e793957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "786d71b5d8ae23f65d5c2432e1b0c73058ff06cb3f25120b18c8f3fa5e793957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "786d71b5d8ae23f65d5c2432e1b0c73058ff06cb3f25120b18c8f3fa5e793957", kill_on_drop: false }`
[INFO] [stdout] 786d71b5d8ae23f65d5c2432e1b0c73058ff06cb3f25120b18c8f3fa5e793957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-60/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17e4826205b520685d00bf08d87970118b72348140d61d42bcd7e941537274de
[INFO] running `Command { std: "docker" "start" "-a" "17e4826205b520685d00bf08d87970118b72348140d61d42bcd7e941537274de", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling autocfg v0.1.5
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling futures v0.1.28
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling smallvec v0.6.10
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]    Compiling regex-syntax v0.6.11
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling dtoa v0.4.4
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling hashbrown v0.5.0
[INFO] [stderr]    Compiling alloc-no-stdlib v2.0.1
[INFO] [stderr]    Compiling hashbrown v0.3.1
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling exitcode v1.1.2
[INFO] [stderr]    Compiling number_prefix v0.3.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling openssl-src v111.3.0+1.1.1c
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling alloc-stdlib v0.2.1
[INFO] [stderr]    Compiling lock_api v0.2.0
[INFO] [stderr]    Compiling lru-cache v0.1.2
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[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-0.6.11/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=267f1a0cb07c3362 -C extra-filename=-267f1a0cb07c3362 -C rpath --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" "17e4826205b520685d00bf08d87970118b72348140d61d42bcd7e941537274de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e4826205b520685d00bf08d87970118b72348140d61d42bcd7e941537274de", kill_on_drop: false }`
[INFO] [stdout] 17e4826205b520685d00bf08d87970118b72348140d61d42bcd7e941537274de