[INFO] crate favicon-generator 0.3.1 is already in cache
[INFO] testing favicon-generator-0.3.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate favicon-generator 0.3.1 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate favicon-generator 0.3.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate favicon-generator 0.3.1
[INFO] finished tweaking crates.io crate favicon-generator 0.3.1
[INFO] tweaked toml for crates.io crate favicon-generator 0.3.1 written to work/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate favicon-generator 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 49a1022b31f6f20269d5f90a0c9067b838d3f27912dd0242aeb9cfdf3ce249a5
[INFO] running `"docker" "start" "-a" "49a1022b31f6f20269d5f90a0c9067b838d3f27912dd0242aeb9cfdf3ce249a5"`
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling ucd-trie v0.1.1
[INFO] [stderr]    Compiling unic-common v0.9.0
[INFO] [stderr]    Compiling unic-char-range v0.9.0
[INFO] [stderr]    Compiling byteorder v1.2.4
[INFO] [stderr]    Compiling pkg-config v0.3.13
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling enum-ordinalize v2.2.1
[INFO] [stderr]    Compiling scanner-rust v1.2.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling inflate v0.3.4
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling unic-char-property v0.9.0
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling aho-corasick v0.6.6
[INFO] [stderr]    Compiling bstr v0.1.4
[INFO] [stderr]    Compiling unic-ucd-segment v0.9.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling v_escape v0.7.2
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling terminal_size v0.1.8
[INFO] [stderr]    Compiling subprocess v0.1.18
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling unic-segment v0.9.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling clang-sys v0.21.2
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]    Compiling crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[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-0.6.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=89e741b51845faef -C extra-filename=-89e741b51845faef --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-49a549799f7551ee.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 `"docker" "inspect" "49a1022b31f6f20269d5f90a0c9067b838d3f27912dd0242aeb9cfdf3ce249a5"`
[INFO] running `"docker" "rm" "-f" "49a1022b31f6f20269d5f90a0c9067b838d3f27912dd0242aeb9cfdf3ce249a5"`
[INFO] [stdout] 49a1022b31f6f20269d5f90a0c9067b838d3f27912dd0242aeb9cfdf3ce249a5