[INFO] crate rust-mpfr 0.1.7 is already in cache
[INFO] testing rust-mpfr-0.1.7 against 1.38.0 for beta-1.39-1
[INFO] extracting crate rust-mpfr 0.1.7 into work/builds/worker-4/source
[INFO] validating manifest of crates.io crate rust-mpfr 0.1.7 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rust-mpfr 0.1.7
[INFO] finished tweaking crates.io crate rust-mpfr 0.1.7
[INFO] tweaked toml for crates.io crate rust-mpfr 0.1.7 written to work/builds/worker-4/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 8dcda7735d07813653109000f5c071d4d6ae11e8b7155d2525d4ffef1a802227
[INFO] running `"docker" "start" "-a" "8dcda7735d07813653109000f5c071d4d6ae11e8b7155d2525d4ffef1a802227"`
[INFO] [stderr]    Compiling rust-gmp v0.3.2
[INFO] [stderr]    Compiling rust-mpfr v0.1.7 (/opt/rustwide/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/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/librust_mpfr.so" "-Wl,--version-script=/tmp/rustcxFSlOk/list" "/opt/rustwide/target/debug/deps/rust_mpfr.vev6nvbwpnoeprd.rcgu.o" "/opt/rustwide/target/debug/deps/rust_mpfr.u9066w8ojz7z6xy.rcgu.o" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmpfr" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/librustc_serialize-32acd8f7efa22e3e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libgmp-89fc7505b7bbe0b5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/liblibc-a3b13f6b27abcc70.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libstd-12ce12f1efc08aa3.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libbacktrace-f8222943dfd167e2.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libbacktrace_sys-0cd00b2d3108cd48.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/librustc_demangle-485c05ba6ce1b438.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libhashbrown-63e6b1072426ba59.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libunwind-3deef8ef4fe80dff.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libcfg_if-f65a176f0586269e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/liblibc-ad46d4080f4d7e57.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/liballoc-da6c590582bf0885.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/librustc_std_workspace_core-837ca740df32db0a.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcxFSlOk/libcore-db27c965e824589f.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustcxFSlOk/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lgmp" "-lgmp" "-lgmp" "-lgmp" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-shared"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lmpfr
[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 `rust-mpfr`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8dcda7735d07813653109000f5c071d4d6ae11e8b7155d2525d4ffef1a802227"`
[INFO] running `"docker" "rm" "-f" "8dcda7735d07813653109000f5c071d4d6ae11e8b7155d2525d4ffef1a802227"`
[INFO] [stdout] 8dcda7735d07813653109000f5c071d4d6ae11e8b7155d2525d4ffef1a802227