[INFO] crate librdkafka-sys 0.9.2-0 is already in cache
[INFO] testing librdkafka-sys-0.9.2-0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate librdkafka-sys 0.9.2-0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate librdkafka-sys 0.9.2-0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8cc5cf6ec89b966309684a6918914dddb60d654cd597abe6bbbde19e937f72f7
[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" "8cc5cf6ec89b966309684a6918914dddb60d654cd597abe6bbbde19e937f72f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cc5cf6ec89b966309684a6918914dddb60d654cd597abe6bbbde19e937f72f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc5cf6ec89b966309684a6918914dddb60d654cd597abe6bbbde19e937f72f7", kill_on_drop: false }`
[INFO] [stdout] 8cc5cf6ec89b966309684a6918914dddb60d654cd597abe6bbbde19e937f72f7
[INFO] running `Command { std: "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=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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9090a286dc7cf3ecc1aeebe1c275d29dbf81f1ec6f6d575b7871103ca6ec3344
[INFO] running `Command { std: "docker" "start" "-a" "9090a286dc7cf3ecc1aeebe1c275d29dbf81f1ec6f6d575b7871103ca6ec3344", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[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-5c548661567b3480/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:     0x560fe5997215 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86
[INFO] [stderr]      1:     0x560fe5997215 - backtrace::backtrace::trace_unsynchronized::h0513dd713d7644d4
[INFO] [stderr]                                  at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66
[INFO] [stderr]      2:     0x560fe5997215 - std::sys_common::backtrace::_print_fmt::h040abae64e4a24a9
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:78
[INFO] [stderr]      3:     0x560fe5997215 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hb4bdb37c3c335733
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:59
[INFO] [stderr]      4:     0x560fe59b88cc - core::fmt::write::h540ac4a6a1232abc
[INFO] [stderr]                                  at src/libcore/fmt/mod.rs:1076
[INFO] [stderr]      5:     0x560fe5995272 - std::io::Write::write_fmt::h5ffa1b5a7703af47
[INFO] [stderr]                                  at src/libstd/io/mod.rs:1539
[INFO] [stderr]      6:     0x560fe5999650 - std::sys_common::backtrace::_print::hb55cc635eaf1882e
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:62
[INFO] [stderr]      7:     0x560fe5999650 - std::sys_common::backtrace::print::h2b2218fa55714084
[INFO] [stderr]                                  at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]      8:     0x560fe5999650 - std::panicking::default_hook::{{closure}}::h578517c025765cf3
[INFO] [stderr]                                  at src/libstd/panicking.rs:198
[INFO] [stderr]      9:     0x560fe599939c - std::panicking::default_hook::h4cafc94c2fc640fb
[INFO] [stderr]                                  at src/libstd/panicking.rs:217
[INFO] [stderr]     10:     0x560fe5999c93 - std::panicking::rust_panic_with_hook::h3eeb5001beeca5c3
[INFO] [stderr]                                  at src/libstd/panicking.rs:526
[INFO] [stderr]     11:     0x560fe599988b - rust_begin_unwind
[INFO] [stderr]                                  at src/libstd/panicking.rs:437
[INFO] [stderr]     12:     0x560fe59997fb - std::panicking::begin_panic_fmt::hbb5e59697acc78ba
[INFO] [stderr]                                  at src/libstd/panicking.rs:391
[INFO] [stderr]     13:     0x560fe5989800 - build_script_build::run_command_or_fail::h84887bc6aa49d6a5
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:20
[INFO] [stderr]     14:     0x560fe5989bcb - build_script_build::main::h294df4ae16a300f4
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:47
[INFO] [stderr]     15:     0x560fe598cb5b - std::rt::lang_start::{{closure}}::ha71ce826dfd25cdd
[INFO] [stderr]                                  at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]     16:     0x560fe599a063 - std::rt::lang_start_internal::{{closure}}::h155f3093add35bce
[INFO] [stderr]                                  at src/libstd/rt.rs:52
[INFO] [stderr]     17:     0x560fe599a063 - std::panicking::try::do_call::h45f1f66ee6b987d6
[INFO] [stderr]                                  at src/libstd/panicking.rs:348
[INFO] [stderr]     18:     0x560fe599a063 - std::panicking::try::h0924dfb942cef7e3
[INFO] [stderr]                                  at src/libstd/panicking.rs:325
[INFO] [stderr]     19:     0x560fe599a063 - std::panic::catch_unwind::h883180846c5b53fa
[INFO] [stderr]                                  at src/libstd/panic.rs:394
[INFO] [stderr]     20:     0x560fe599a063 - std::rt::lang_start_internal::he9284d43a52786c5
[INFO] [stderr]                                  at src/libstd/rt.rs:51
[INFO] [stderr]     21:     0x560fe598cb37 - std::rt::lang_start::heafb93b791128b79
[INFO] [stderr]                                  at /rustc/8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e/src/libstd/rt.rs:67
[INFO] [stderr]     22:     0x560fe5989fda - main
[INFO] [stderr]     23:     0x7f2623cf20b3 - __libc_start_main
[INFO] [stderr]     24:     0x560fe597d17e - _start
[INFO] [stderr]     25:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "9090a286dc7cf3ecc1aeebe1c275d29dbf81f1ec6f6d575b7871103ca6ec3344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9090a286dc7cf3ecc1aeebe1c275d29dbf81f1ec6f6d575b7871103ca6ec3344", kill_on_drop: false }`
[INFO] [stdout] 9090a286dc7cf3ecc1aeebe1c275d29dbf81f1ec6f6d575b7871103ca6ec3344