[INFO] cloning repository https://github.com/MarcoQin/lava-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcoQin/lava-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoQin%2Flava-rs"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoQin%2Flava-rs'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 816e4c9e6a761e49fe779632319e70f420404e86
[INFO] testing MarcoQin/lava-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcoQin%2Flava-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MarcoQin/lava-rs 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/MarcoQin/lava-rs
[INFO] finished tweaking git repo https://github.com/MarcoQin/lava-rs
[INFO] tweaked toml for git repo https://github.com/MarcoQin/lava-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcoQin/lava-rs 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] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 2d9a7b04c64a10c301bcfc649ef50c3256dd058572bdae543f82b56ae00b0e13
[INFO] running `"docker" "start" "-a" "2d9a7b04c64a10c301bcfc649ef50c3256dd058572bdae543f82b56ae00b0e13"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling lava_rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: error: src/lava-core/core.c: No such file or directory
[INFO] [stderr] warning: cc: fatal error: no input files
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[INFO] [stderr] error: failed to run custom build command for `lava_rs v0.1.1 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/lava_rs-0459d8a57f7a9000/build-script-build` (exit code: 1)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] CRATE_CC_NO_DEFAULTS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/lava_rs-1b1e72e46e0e118f/out/src/lava-core/core.o" "-c" "src/lava-core/core.c"
[INFO] [stderr] cargo:warning=cc: error: src/lava-core/core.c: No such file or directory
[INFO] [stderr] cargo:warning=cc: fatal error: no input files
[INFO] [stderr] cargo:warning=compilation terminated.
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-fno-omit-frame-pointer" "-m64" "-static" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/lava_rs-1b1e72e46e0e118f/out/src/lava-core/core.o" "-c" "src/lava-core/core.c" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "2d9a7b04c64a10c301bcfc649ef50c3256dd058572bdae543f82b56ae00b0e13"`
[INFO] running `"docker" "rm" "-f" "2d9a7b04c64a10c301bcfc649ef50c3256dd058572bdae543f82b56ae00b0e13"`
[INFO] [stdout] 2d9a7b04c64a10c301bcfc649ef50c3256dd058572bdae543f82b56ae00b0e13