[INFO] updating cached repository https://github.com/DanSnow/github-release-download
[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/DanSnow/github-release-download
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/serde-1.0.106
[INFO] [stderr]  * [new branch]      dependabot/cargo/serde-1.0.111 -> dependabot/cargo/serde-1.0.111
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac9d87b096f3dfcdf05852181942ccab496d89d7
[INFO] testing DanSnow/github-release-download against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Fgithub-release-download" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanSnow/github-release-download on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/DanSnow/github-release-download
[INFO] finished tweaking git repo https://github.com/DanSnow/github-release-download
[INFO] tweaked toml for git repo https://github.com/DanSnow/github-release-download written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/DanSnow/github-release-download already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+1.44.0" "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] 4e55e8c61a45ab243741b3b715fd5a567f6357b7054d54a825ce7eb9aeb5ae2d
[INFO] running `"docker" "start" "-a" "4e55e8c61a45ab243741b3b715fd5a567f6357b7054d54a825ce7eb9aeb5ae2d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling string v0.1.3
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]    Compiling encoding_rs v0.8.17
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling fuzzy-matcher v0.2.2
[INFO] [stderr]    Compiling tokio-sync v0.1.3
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling vte v0.3.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling unicode-normalization v0.1.8
[INFO] [stderr]    Compiling syn v0.15.27
[INFO] [stderr]    Compiling number_prefix v0.2.8
[INFO] [stderr]    Compiling mime v0.3.13
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling tokio-current-thread v0.1.5
[INFO] [stderr]    Compiling tokio-timer v0.2.10
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]    Compiling native-tls v0.2.2
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling clicolors-control v1.0.0
[INFO] [stderr]    Compiling termios v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling term v0.5.2
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling tokio-io v0.1.12
[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-0.5.6/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 -C metadata=0a864cf618e120e4 -C extra-filename=-0a864cf618e120e4 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern ucd_util=/opt/rustwide/target/debug/deps/libucd_util-30e780730ba99191.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" "4e55e8c61a45ab243741b3b715fd5a567f6357b7054d54a825ce7eb9aeb5ae2d"`
[INFO] running `"docker" "rm" "-f" "4e55e8c61a45ab243741b3b715fd5a567f6357b7054d54a825ce7eb9aeb5ae2d"`
[INFO] [stdout] 4e55e8c61a45ab243741b3b715fd5a567f6357b7054d54a825ce7eb9aeb5ae2d