[INFO] updating cached repository jonhoo/curb
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/jonhoo/curb
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/jonhoo/curb" "work/ex/beta-1.37-6/sources/1.36.0/gh/jonhoo/curb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jonhoo/curb'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/jonhoo/curb" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonhoo/curb"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonhoo/curb'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2d9f46136cec720075aa115389a8ae5a0c8289d4
[INFO] sha for GitHub repo jonhoo/curb: 2d9f46136cec720075aa115389a8ae5a0c8289d4
[INFO] validating manifest of jonhoo/curb 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 jonhoo/curb 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 jonhoo/curb
[INFO] finished frobbing jonhoo/curb
[INFO] frobbed toml for jonhoo/curb written to work/ex/beta-1.37-6/sources/1.36.0/gh/jonhoo/curb/Cargo.toml
[INFO] started frobbing jonhoo/curb
[INFO] finished frobbing jonhoo/curb
[INFO] frobbed toml for jonhoo/curb written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonhoo/curb/Cargo.toml
[INFO] crate jonhoo/curb 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 jonhoo/curb against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jonhoo/curb:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 473ddff95023a20c738ecc2872ba9d44388c46bde010ebec180eaa668b6a9bca
[INFO] running `"docker" "start" "-a" "473ddff95023a20c738ecc2872ba9d44388c46bde010ebec180eaa668b6a9bca"`
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling hwloc v0.5.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling errno v0.2.4
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]    Compiling structopt v0.2.15
[INFO] [stderr]    Compiling curb v0.1.5 (/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/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.curb.4hkn6vbt-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24" "/opt/crater/target/debug/deps/curb-2e96f0831702bb24.2tkaa6mduv2upubj.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libhwloc-d8f7220d96bd38db.rlib" "/opt/crater/target/debug/deps/libnum-6d1c41becdc658de.rlib" "/opt/crater/target/debug/deps/libnum_iter-6a53ebaecf43d64b.rlib" "/opt/crater/target/debug/deps/libnum_integer-3e4b662ece72588f.rlib" "/opt/crater/target/debug/deps/libnum_traits-b0613bcbd790bfdc.rlib" "/opt/crater/target/debug/deps/liberrno-6912ba1407e771b4.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/libstructopt-ba26a157dfaa8939.rlib" "/opt/crater/target/debug/deps/libclap-3bb204517d12d09c.rlib" "/opt/crater/target/debug/deps/libvec_map-d15ddac8fbd5a1a7.rlib" "/opt/crater/target/debug/deps/libtextwrap-b9e8af68ddc86750.rlib" "/opt/crater/target/debug/deps/libunicode_width-5c65625ac38072b6.rlib" "/opt/crater/target/debug/deps/libstrsim-1fb548c623033a78.rlib" "/opt/crater/target/debug/deps/libbitflags-e31ad08aaa94ea6a.rlib" "/opt/crater/target/debug/deps/libatty-92574a70342b47ff.rlib" "/opt/crater/target/debug/deps/libansi_term-a8ee7a34610f25b5.rlib" "/opt/crater/target/debug/deps/librand-01c31da52a201f91.rlib" "/opt/crater/target/debug/deps/librand_xorshift-5e391b21601b8393.rlib" "/opt/crater/target/debug/deps/librand_pcg-e2e1a0d1728dcbd2.rlib" "/opt/crater/target/debug/deps/librand_hc-8d037a8bb74cc960.rlib" "/opt/crater/target/debug/deps/librand_chacha-caac59cbe4bbf74d.rlib" "/opt/crater/target/debug/deps/librand_isaac-8a1220a5cdc55703.rlib" "/opt/crater/target/debug/deps/librand_core-5af554ddf81cd17c.rlib" "/opt/crater/target/debug/deps/librand_os-054ac5460bdb791a.rlib" "/opt/crater/target/debug/deps/liblibc-beaccd0a69157a74.rlib" "/opt/crater/target/debug/deps/librand_jitter-94868213c3989353.rlib" "/opt/crater/target/debug/deps/librand_core-4c9a550ae16dbf0f.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lhwloc" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lhwloc
[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 `curb`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "473ddff95023a20c738ecc2872ba9d44388c46bde010ebec180eaa668b6a9bca"`
[INFO] running `"docker" "rm" "-f" "473ddff95023a20c738ecc2872ba9d44388c46bde010ebec180eaa668b6a9bca"`
[INFO] [stdout] 473ddff95023a20c738ecc2872ba9d44388c46bde010ebec180eaa668b6a9bca