[INFO] updating cached repository marcelo140/CC
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/marcelo140/CC
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/marcelo140/CC" "work/ex/beta-1.37-6/sources/1.36.0/gh/marcelo140/CC"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/marcelo140/CC'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/marcelo140/CC" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcelo140/CC"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcelo140/CC'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cb3f6da04028bd07afe48c1e8de070ede6276429
[INFO] sha for GitHub repo marcelo140/CC: cb3f6da04028bd07afe48c1e8de070ede6276429
[INFO] validating manifest of marcelo140/CC on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of marcelo140/CC on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing marcelo140/CC
[INFO] finished frobbing marcelo140/CC
[INFO] frobbed toml for marcelo140/CC written to work/ex/beta-1.37-6/sources/1.36.0/gh/marcelo140/CC/Cargo.toml
[INFO] started frobbing marcelo140/CC
[INFO] finished frobbing marcelo140/CC
[INFO] frobbed toml for marcelo140/CC written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/marcelo140/CC/Cargo.toml
[INFO] crate marcelo140/CC already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing marcelo140/CC against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/marcelo140/CC:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] c8e4acf804544db23a3678d82d8361624e64b25558d9840dd2df3c4b76e8be9e
[INFO] running `"docker" "start" "-a" "c8e4acf804544db23a3678d82d8361624e64b25558d9840dd2df3c4b76e8be9e"`
[INFO] [stderr]    Compiling sys-info v0.4.1
[INFO] [stderr]    Compiling bincode v1.0.0-alpha6
[INFO] [stderr]    Compiling reverse_proxy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.monitor.11d9pu8c-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/monitor-238146b3f936479a" "/opt/crater/target/debug/deps/monitor-238146b3f936479a.1cy28h7ewua9u510.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/sys-info-3aba427ac82a6fe6/out" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libreverse_proxy-3865d74589490627.rlib" "/opt/crater/target/debug/deps/libsys_info-e0f8582853aa4981.rlib" "/opt/crater/target/debug/deps/libbincode-edc8b6ed226419a1.rlib" "/opt/crater/target/debug/deps/libserde-f408d750edbafb1f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b377b9e10ab8a975.rlib" "/opt/crater/target/debug/deps/libbyteorder-d1200a90fe14285f.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libsys_info-e0f8582853aa4981.rlib(sys_info-e0f8582853aa4981.sys_info.eicqbfen-cgu.3.rcgu.o): In function `sys_info::loadavg':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/sys-info-0.4.1/lib.rs:154: undefined reference to `get_loadavg'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `reverse_proxy`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c8e4acf804544db23a3678d82d8361624e64b25558d9840dd2df3c4b76e8be9e"`
[INFO] running `"docker" "rm" "-f" "c8e4acf804544db23a3678d82d8361624e64b25558d9840dd2df3c4b76e8be9e"`
[INFO] [stdout] c8e4acf804544db23a3678d82d8361624e64b25558d9840dd2df3c4b76e8be9e