[INFO] fetching crate librdkafka-sys 0.9.2-0...
[INFO] checking librdkafka-sys-0.9.2-0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate librdkafka-sys 0.9.2-0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate librdkafka-sys 0.9.2-0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate librdkafka-sys 0.9.2-0
[INFO] finished tweaking crates.io crate librdkafka-sys 0.9.2-0
[INFO] tweaked toml for crates.io crate librdkafka-sys 0.9.2-0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d8adeb95912aabe8e6e278c76fc5765865247b84ee07263803c5dc834fa1840
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2d8adeb95912aabe8e6e278c76fc5765865247b84ee07263803c5dc834fa1840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d8adeb95912aabe8e6e278c76fc5765865247b84ee07263803c5dc834fa1840", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d8adeb95912aabe8e6e278c76fc5765865247b84ee07263803c5dc834fa1840", kill_on_drop: false }`
[INFO] [stdout] 2d8adeb95912aabe8e6e278c76fc5765865247b84ee07263803c5dc834fa1840
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7c4aa6c55d8d21ddcd7e18f5eca88c693124d904e3a921b4f7e575afe13bfc5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c7c4aa6c55d8d21ddcd7e18f5eca88c693124d904e3a921b4f7e575afe13bfc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling num_cpus v0.2.13
[INFO] [stderr]    Compiling librdkafka-sys v0.9.2-0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `librdkafka-sys v0.9.2-0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/librdkafka-sys-e1c8223c778ff16a/build-script-build` (exit code: 101)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   Configuring librdkafka
[INFO] [stderr]   checking for OS or distribution... ok (Ubuntu)
[INFO] [stderr]   checking for C compiler from CC env... failed
[INFO] [stderr]   checking for gcc (by command)... ok
[INFO] [stderr]   checking for C++ compiler from CXX env... failed
[INFO] [stderr]   checking for C++ compiler (g++)... ok
[INFO] [stderr]   checking executable ld... ok
[INFO] [stderr]   checking executable nm... ok
[INFO] [stderr]   checking executable objdump... ok
[INFO] [stderr]   checking executable strip... ok
[INFO] [stderr]   checking for pkgconfig (by command)... ok
[INFO] [stderr]   checking for install (by command)... ok
[INFO] [stderr]   checking for PIC (by compile)... failed (disable)
[INFO] [stderr]   checking for GNU-compatible linker options... failed
[INFO] [stderr]   checking for OSX linker options... failed
[INFO] [stderr]   checking for GNU linker-script ld flag... failed
[INFO] [stderr]   checking for Solaris linker-script ld flag... failed (ignore)
[INFO] [stderr]   checking for __atomic_32 (by compile)... failed
[INFO] [stderr]   checking for __atomic_32_lib (by compile)... failed
[INFO] [stderr]   checking for __sync_32 (by compile)... failed (disable)
[INFO] [stderr]   checking for __atomic_64 (by compile)... failed
[INFO] [stderr]   checking for __atomic_64_lib (by compile)... failed
[INFO] [stderr]   checking for __sync_64 (by compile)... failed (disable)
[INFO] [stderr]   checking for socket (by compile)... failed
[INFO] [stderr]   checking for socket_nsl (by compile)... failed (fail)
[INFO] [stderr]   parsing version '0x000902ff'... ok (0.9.2)
[INFO] [stderr]   checking for libpthread (by pkg-config)... failed
[INFO] [stderr]   checking for libpthread (by compile)... failed (fail)
[INFO] [stderr]   checking for zlib (by pkg-config)... ok
[INFO] [stderr]   checking for libcrypto (by pkg-config)... ok
[INFO] [stderr]   checking for liblz4 (by pkg-config)... failed
[INFO] [stderr]   checking for liblz4 (by compile)... failed (disable)
[INFO] [stderr]   checking for regex (by compile)... failed (disable)
[INFO] [stderr]   checking for librt (by pkg-config)... failed
[INFO] [stderr]   checking for librt (by compile)... failed
[INFO] [stderr]   checking for strndup (by compile)... failed (disable)
[INFO] [stderr]   checking for nm (by env NM)... ok (cached)
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Running command: "./configure --disable-sasl --disable-ssl" in dir: librdkafka
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   ./configure: line 186: config.log: Read-only file system
[INFO] [stderr]   ./configure: line 187: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 650: $ldsfile: ambiguous redirect
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mktemp: failed to create file via template '_mkltmpXXXXXX': Read-only file system
[INFO] [stderr]   mv: cannot stat '': No such file or directory
[INFO] [stderr]   mklove/modules/configure.base: line 908: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 911: .c: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   mklove/modules/configure.base: line 568: config.log: Read-only file system
[INFO] [stderr]   ###########################################################
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]   ###                  Configure failed                   ###
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]   ###########################################################
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]   ### Accumulated failures:                               ###
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]   ###########################################################
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]    socket_nsl () 
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]       module: socket
[INFO] [stderr]   mklove/modules/configure.base: line 585: config.log: Read-only file system
[INFO] [stderr]       action: fail
[INFO] [stderr]   mklove/modules/configure.base: line 585: config.log: Read-only file system
[INFO] [stderr]       reason:
[INFO] [stderr]   compile check failed:
[INFO] [stderr]   CC: CC
[INFO] [stderr]   flags: 
[INFO] [stderr]   gcc  -g -O2 -Wall -Wsign-compare -Wfloat-equal -Wpointer-arith -Wall -Werror  .c -o .c.o -lsocket -lnsl :
[INFO] [stderr]   gcc: error: .c: No such file or directory
[INFO] [stderr]   source: 
[INFO] [stderr]   #include <sys/types.h>
[INFO] [stderr]   #include <sys/socket.h>
[INFO] [stderr]   #include <unistd.h>
[INFO] [stderr]   void foo (void) {
[INFO] [stderr]      int s = socket(0, 0, 0);
[INFO] [stderr]      close(s);
[INFO] [stderr]   }
[INFO] [stderr] 
[INFO] [stderr]   mklove/modules/configure.base: line 585: config.log: Read-only file system
[INFO] [stderr]    libpthread () 
[INFO] [stderr]   mklove/modules/configure.base: line 577: config.log: Read-only file system
[INFO] [stderr]       module: librdkafka
[INFO] [stderr]   mklove/modules/configure.base: line 585: config.log: Read-only file system
[INFO] [stderr]       action: fail
[INFO] [stderr]   mklove/modules/configure.base: line 585: config.log: Read-only file system
[INFO] [stderr]       reason:
[INFO] [stderr]   compile check failed:
[INFO] [stderr]   CC: CC
[INFO] [stderr]   flags: -lpthread
[INFO] [stderr]   gcc  -g -O2 -Wall -Wsign-compare -Wfloat-equal -Wpointer-arith -Wall -Werror -lpthread .c -o .c.o  :
[INFO] [stderr]   gcc: error: .c: No such file or directory
[INFO] [stderr]   source: 
[INFO] [stderr] 
[INFO] [stderr]   mklove/modules/configure.base: line 585: config.log: Read-only file system
[INFO] [stderr]   thread 'main' panicked at 'Command failed with error code 1', build.rs:20:35
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x557b6e8af950 - std::backtrace_rs::backtrace::libunwind::trace::he85dfb3ae4206056
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stderr]      1:     0x557b6e8af950 - std::backtrace_rs::backtrace::trace_unsynchronized::h1ad28094d7b00c21
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x557b6e8af950 - std::sys_common::backtrace::_print_fmt::h901b54610713cd21
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:79
[INFO] [stderr]      3:     0x557b6e8af950 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb0ad78ee1571f7e0
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:58
[INFO] [stderr]      4:     0x557b6e8cbc3c - core::fmt::write::h1857a60b204f1b6a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/fmt/mod.rs:1080
[INFO] [stderr]      5:     0x557b6e8ad792 - std::io::Write::write_fmt::hf7b7d7b243f84a36
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/io/mod.rs:1516
[INFO] [stderr]      6:     0x557b6e8b1a7d - std::sys_common::backtrace::_print::hd093978a5287b8ff
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:61
[INFO] [stderr]      7:     0x557b6e8b1a7d - std::sys_common::backtrace::print::h20f46787581d56d7
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:48
[INFO] [stderr]      8:     0x557b6e8b1a7d - std::panicking::default_hook::{{closure}}::h486cbb4b82ffc357
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:208
[INFO] [stderr]      9:     0x557b6e8b1728 - std::panicking::default_hook::h4190c9e3edd4d591
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:227
[INFO] [stderr]     10:     0x557b6e8b2101 - std::panicking::rust_panic_with_hook::h72e78719cdda225c
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:577
[INFO] [stderr]     11:     0x557b6e8b1ca9 - std::panicking::begin_panic_handler::{{closure}}::h8bd07dbd34150a96
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:484
[INFO] [stderr]     12:     0x557b6e8afddc - std::sys_common::backtrace::__rust_end_short_backtrace::hdb6b3066ad29028a
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:153
[INFO] [stderr]     13:     0x557b6e8b1c69 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:483
[INFO] [stderr]     14:     0x557b6e8b1c1b - std::panicking::begin_panic_fmt::hc19e75fd2b7bc39b
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:437
[INFO] [stderr]     15:     0x557b6e893e70 - build_script_build::run_command_or_fail::h16f7b3acb2fb7ea4
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:20
[INFO] [stderr]     16:     0x557b6e89423b - build_script_build::main::h39218d2825d99c2e
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:47
[INFO] [stderr]     17:     0x557b6e895f9b - core::ops::function::FnOnce::call_once::h85ad288c39301827
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:227
[INFO] [stderr]     18:     0x557b6e89569e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd6c47d638937b87e
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/sys_common/backtrace.rs:137
[INFO] [stderr]     19:     0x557b6e8995d1 - std::rt::lang_start::{{closure}}::hd1aab36502192aee
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:66
[INFO] [stderr]     20:     0x557b6e8b2527 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h5e15f43ce28787f7
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/core/src/ops/function.rs:259
[INFO] [stderr]     21:     0x557b6e8b2527 - std::panicking::try::do_call::h764f1891769113e9
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:381
[INFO] [stderr]     22:     0x557b6e8b2527 - std::panicking::try::h0f2fe4fdd5e0ad19
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panicking.rs:345
[INFO] [stderr]     23:     0x557b6e8b2527 - std::panic::catch_unwind::h1634e40dd3a19f80
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/panic.rs:382
[INFO] [stderr]     24:     0x557b6e8b2527 - std::rt::lang_start_internal::h8d4bc7b854bbd5fe
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:51
[INFO] [stderr]     25:     0x557b6e8995a7 - std::rt::lang_start::h47815edcac585094
[INFO] [stderr]                                  at /rustc/f47dd4da3ae8c32c9e65d307bfe640b143e674df/library/std/src/rt.rs:65
[INFO] [stderr]     26:     0x557b6e89464a - main
[INFO] [stderr]     27:     0x7faed12f00b3 - __libc_start_main
[INFO] [stderr]     28:     0x557b6e88a0ae - _start
[INFO] [stderr]     29:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "c7c4aa6c55d8d21ddcd7e18f5eca88c693124d904e3a921b4f7e575afe13bfc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7c4aa6c55d8d21ddcd7e18f5eca88c693124d904e3a921b4f7e575afe13bfc5", kill_on_drop: false }`
[INFO] [stdout] c7c4aa6c55d8d21ddcd7e18f5eca88c693124d904e3a921b4f7e575afe13bfc5