[INFO] crate curb 0.1.5 is already in cache
[INFO] extracting crate curb 0.1.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/curb/0.1.5
[INFO] extracting crate curb 0.1.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/curb/0.1.5
[INFO] validating manifest of curb-0.1.5 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of curb-0.1.5 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing curb-0.1.5
[INFO] finished frobbing curb-0.1.5
[INFO] frobbed toml for curb-0.1.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/curb/0.1.5/Cargo.toml
[INFO] started frobbing curb-0.1.5
[INFO] finished frobbing curb-0.1.5
[INFO] frobbed toml for curb-0.1.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/curb/0.1.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing curb-0.1.5 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/curb/0.1.5:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 41e62492e9c0f46b56f4ca7c9e5e96348c5752afb5a0d51321fd90d1fb2d408d
[INFO] running `"docker" "start" "-a" "41e62492e9c0f46b56f4ca7c9e5e96348c5752afb5a0d51321fd90d1fb2d408d"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling hwloc v0.5.0
[INFO] [stderr]    Compiling num v0.1.42
[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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.curb.e2ksdf77-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69" "/opt/crater/target/debug/deps/curb-15bd0d7d05363e69.zcj0rvkmrrophew.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libhwloc-bcbb624b89df480d.rlib" "/opt/crater/target/debug/deps/libnum-5caa7dd009747390.rlib" "/opt/crater/target/debug/deps/libnum_iter-710c4cd4b54241c7.rlib" "/opt/crater/target/debug/deps/libnum_integer-e8e7d1ec85b23cb1.rlib" "/opt/crater/target/debug/deps/libnum_traits-d11dcc7883adaecb.rlib" "/opt/crater/target/debug/deps/liberrno-7a36b8a2df2d46c9.rlib" "/opt/crater/target/debug/deps/libbitflags-05fa20c47058c1db.rlib" "/opt/crater/target/debug/deps/libstructopt-7991f1691db24e76.rlib" "/opt/crater/target/debug/deps/libclap-9325301b67a3eb11.rlib" "/opt/crater/target/debug/deps/libvec_map-d1ee0a45638c2bc7.rlib" "/opt/crater/target/debug/deps/libtextwrap-98d6d8750638b4d6.rlib" "/opt/crater/target/debug/deps/libunicode_width-70ef077428dd4d3c.rlib" "/opt/crater/target/debug/deps/libstrsim-7aece6a3d121dad3.rlib" "/opt/crater/target/debug/deps/libbitflags-bcd34e8f74846360.rlib" "/opt/crater/target/debug/deps/libatty-eb5da56e70a939cc.rlib" "/opt/crater/target/debug/deps/libansi_term-ab3d266e25626249.rlib" "/opt/crater/target/debug/deps/librand-4d2dd95f3d7aec75.rlib" "/opt/crater/target/debug/deps/librand_xorshift-4203f3157eb9a8e3.rlib" "/opt/crater/target/debug/deps/librand_pcg-8d4de0bb8369ce1b.rlib" "/opt/crater/target/debug/deps/librand_hc-bbd146a4b8bf6f4b.rlib" "/opt/crater/target/debug/deps/librand_chacha-e30594121fba25f8.rlib" "/opt/crater/target/debug/deps/librand_isaac-116c1a9914320278.rlib" "/opt/crater/target/debug/deps/librand_core-5fd440ec9008cce1.rlib" "/opt/crater/target/debug/deps/librand_os-df63c8a890c1e2e9.rlib" "/opt/crater/target/debug/deps/liblibc-d019039477cac03b.rlib" "/opt/crater/target/debug/deps/librand_jitter-06f1043e9c10514f.rlib" "/opt/crater/target/debug/deps/librand_core-fe4fc41bf9015dbc.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.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" "41e62492e9c0f46b56f4ca7c9e5e96348c5752afb5a0d51321fd90d1fb2d408d"`
[INFO] running `"docker" "rm" "-f" "41e62492e9c0f46b56f4ca7c9e5e96348c5752afb5a0d51321fd90d1fb2d408d"`
[INFO] [stdout] 41e62492e9c0f46b56f4ca7c9e5e96348c5752afb5a0d51321fd90d1fb2d408d