[INFO] updating cached repository https://github.com/pitkley/dfw
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/pitkley/dfw
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/iptables/time-0.2.8
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/time-0.2.8
[INFO] [stderr]  + e3aa8c7...ace07f5 gh-pages   -> gh-pages  (forced update)
[INFO] [stderr]    bb70a19..8dd1b21  iptables   -> iptables
[INFO] [stderr]    1bfcd55..8ca69e0  master     -> master
[INFO] [stderr]    1bfcd55..8ca69e0  staging    -> staging
[INFO] [stderr]  * [new tag]         1.1.0      -> 1.1.0
[INFO] [stderr]  * [new tag]         1.2.0-rc.1 -> 1.2.0-rc.1
[INFO] [stderr]  * [new tag]         1.2.0-rc.2 -> 1.2.0-rc.2
[INFO] [stderr]  * [new tag]         1.2.0-rc.3 -> 1.2.0-rc.3
[INFO] [stderr]  * [new tag]         1.2.0-rc.4 -> 1.2.0-rc.4
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ca69e05b55ff542b7ebd4414255235462e7493f
[INFO] testing pitkley/dfw against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpitkley%2Fdfw" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pitkley/dfw on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/pitkley/dfw
[INFO] finished tweaking git repo https://github.com/pitkley/dfw
[INFO] tweaked toml for git repo https://github.com/pitkley/dfw written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/pitkley/dfw already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 76697c3e4d49ffec0aff0e424cecb20a9f51a82a7aae5b6fcfb1ea5b95b2b5f4
[INFO] running `"docker" "start" "-a" "76697c3e4d49ffec0aff0e424cecb20a9f51a82a7aae5b6fcfb1ea5b95b2b5f4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling serde v1.0.111
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling standback v0.2.8
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling openssl v0.10.29
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling gimli v0.21.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling ucd-util v0.1.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.3
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling object v0.19.0
[INFO] [stderr]    Compiling hex v0.3.2
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling openssl-sys v0.9.57
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling time v0.2.16
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling linked_hash_set v0.1.3
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling flate2 v1.0.14
[INFO] [stderr]    Compiling libflate v1.0.0
[INFO] [stderr]    Compiling dfw v1.2.0-rc.4 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling tar v0.4.28
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling signal-hook v0.1.15
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.111
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[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-0.6.18/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -Cembed-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=54fdda16b5257135 -C extra-filename=-54fdda16b5257135 --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 `"docker" "inspect" "76697c3e4d49ffec0aff0e424cecb20a9f51a82a7aae5b6fcfb1ea5b95b2b5f4"`
[INFO] running `"docker" "rm" "-f" "76697c3e4d49ffec0aff0e424cecb20a9f51a82a7aae5b6fcfb1ea5b95b2b5f4"`
[INFO] [stdout] 76697c3e4d49ffec0aff0e424cecb20a9f51a82a7aae5b6fcfb1ea5b95b2b5f4