[INFO] crate mri-sys 0.2.4 is already in cache
[INFO] extracting crate mri-sys 0.2.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/mri-sys/0.2.4
[INFO] extracting crate mri-sys 0.2.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mri-sys/0.2.4
[INFO] validating manifest of mri-sys-0.2.4 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 mri-sys-0.2.4 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 mri-sys-0.2.4
[INFO] finished frobbing mri-sys-0.2.4
[INFO] frobbed toml for mri-sys-0.2.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/mri-sys/0.2.4/Cargo.toml
[INFO] started frobbing mri-sys-0.2.4
[INFO] finished frobbing mri-sys-0.2.4
[INFO] frobbed toml for mri-sys-0.2.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mri-sys/0.2.4/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 mri-sys-0.2.4 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mri-sys/0.2.4:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6a5cf0090611c97a4279b9e2460c504f45b894f5446fb1090c1cb1e3345bde5b
[INFO] running `"docker" "start" "-a" "6a5cf0090611c97a4279b9e2460c504f45b894f5446fb1090c1cb1e3345bde5b"`
[INFO] [stderr]    Compiling mri-sys v0.2.4 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `"docker" "inspect" "6a5cf0090611c97a4279b9e2460c504f45b894f5446fb1090c1cb1e3345bde5b"`
[INFO] running `"docker" "rm" "-f" "6a5cf0090611c97a4279b9e2460c504f45b894f5446fb1090c1cb1e3345bde5b"`
[INFO] [stdout] 6a5cf0090611c97a4279b9e2460c504f45b894f5446fb1090c1cb1e3345bde5b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/mri-sys/0.2.4:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b5ff03f7e572b7e1b7d009da67bcaf1b0261a928ef7c0482af6f2100ecc19e13
[INFO] running `"docker" "start" "-a" "b5ff03f7e572b7e1b7d009da67bcaf1b0261a928ef7c0482af6f2100ecc19e13"`
[INFO] [stderr]    Compiling mri-sys v0.2.4 (/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-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.mri_sys.1rjcbagk-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd" "/opt/crater/target/debug/deps/mri_sys-2007a71b6b7caedd.yrkxqbb0oc4pop4.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lgmp" "-lruby" "-lcrypt" "-Wl,-Bstatic" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-f0d86b2ef6410e4f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-28a84d78fba0104f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-625008d0a6744ece.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-b85c11af396739da.rlib" "/opt/crater/target/debug/deps/liblibc-37f3d1c853b3b7bd.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lgmp
[INFO] [stderr]           /usr/bin/ld: cannot find -lruby
[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 `mri-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b5ff03f7e572b7e1b7d009da67bcaf1b0261a928ef7c0482af6f2100ecc19e13"`
[INFO] running `"docker" "rm" "-f" "b5ff03f7e572b7e1b7d009da67bcaf1b0261a928ef7c0482af6f2100ecc19e13"`
[INFO] [stdout] b5ff03f7e572b7e1b7d009da67bcaf1b0261a928ef7c0482af6f2100ecc19e13