[INFO] updating cached repository https://github.com/peterdelevoryas/r2
[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] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1aa61b395a4085b15b8a9caddd27f73070ff1507
[INFO] checking peterdelevoryas/r2 against master#0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf for pr-71814
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpeterdelevoryas%2Fr2" "/workspace/builds/worker-10/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/peterdelevoryas/r2 on toolchain 0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/peterdelevoryas/r2
[INFO] finished tweaking git repo https://github.com/peterdelevoryas/r2
[INFO] tweaked toml for git repo https://github.com/peterdelevoryas/r2 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/peterdelevoryas/r2 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=forbid" "-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" "+0a675c5e02e6ecfda7d4e04aabd23a9935e0c4bf" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 82879e5cbbe4df52476e740da9ec4913b1a4dd74dc6acf81684374188df3a516
[INFO] running `"docker" "start" "-a" "82879e5cbbe4df52476e740da9ec4913b1a4dd74dc6acf81684374188df3a516"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bindgen v0.40.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling cexpr v0.2.3
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr] error: could not compile `clang-sys`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name clang_sys /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/clang-sys-0.23.0/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts --crate-type lib --emit=dep-info,metadata,link -C debuginfo=2 --cfg 'feature="clang_6_0"' --cfg 'feature="gte_clang_3_6"' --cfg 'feature="gte_clang_3_7"' --cfg 'feature="gte_clang_3_8"' --cfg 'feature="gte_clang_3_9"' --cfg 'feature="gte_clang_4_0"' --cfg 'feature="gte_clang_5_0"' --cfg 'feature="gte_clang_6_0"' --cfg 'feature="libloading"' --cfg 'feature="runtime"' -C metadata=62843672dbc9a364 -C extra-filename=-62843672dbc9a364 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern glob=/opt/rustwide/target/debug/deps/libglob-f977203299bd076e.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-e31723d564dc654b.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-69ab49aff75f6f39.rmeta --cap-lints allow --cap-lints=forbid -L native=/opt/rustwide/target/debug/build/libloading-978ffb17f0a800dd/out` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "82879e5cbbe4df52476e740da9ec4913b1a4dd74dc6acf81684374188df3a516"`
[INFO] running `"docker" "rm" "-f" "82879e5cbbe4df52476e740da9ec4913b1a4dd74dc6acf81684374188df3a516"`
[INFO] [stdout] 82879e5cbbe4df52476e740da9ec4913b1a4dd74dc6acf81684374188df3a516