[INFO] crate rust-mpfr 0.1.7 is already in cache
[INFO] extracting crate rust-mpfr 0.1.7 into work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rust-mpfr/0.1.7
[INFO] extracting crate rust-mpfr 0.1.7 into work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rust-mpfr/0.1.7
[INFO] validating manifest of rust-mpfr-0.1.7 on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rust-mpfr-0.1.7 on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rust-mpfr-0.1.7
[INFO] finished frobbing rust-mpfr-0.1.7
[INFO] frobbed toml for rust-mpfr-0.1.7 written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rust-mpfr/0.1.7/Cargo.toml
[INFO] started frobbing rust-mpfr-0.1.7
[INFO] finished frobbing rust-mpfr-0.1.7
[INFO] frobbed toml for rust-mpfr-0.1.7 written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/reg/rust-mpfr/0.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rust-mpfr-0.1.7 against master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-5/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/reg/rust-mpfr/0.1.7:/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=forbid" "-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" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "build" "--frozen"`
[INFO] [stdout] e37f4bdbee7495d3ccb140dbfe877580ae6f95ecb2a4c61e7879707618992da6
[INFO] running `"docker" "start" "-a" "e37f4bdbee7495d3ccb140dbfe877580ae6f95ecb2a4c61e7879707618992da6"`
[INFO] [stderr]    Compiling rust-mpfr v0.1.7 (/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/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.rust_mpfr.dqhef6ic-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/librust_mpfr.so" "/opt/crater/target/debug/deps/rust_mpfr.vev6nvbwpnoeprd.rcgu.o" "/opt/crater/target/debug/deps/rust_mpfr.u9066w8ojz7z6xy.rcgu.o" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmpfr" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/librustc_serialize-9039b0e92acf6250.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/libgmp-ba818e1e4c49f464.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/liblibc-7f2d74cb64e24b74.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/libstd-8469d768695d9748.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/libpanic_unwind-786c0f406992159b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/libbacktrace_sys-eda54ffd3e6402cc.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/libunwind-3b59adbc83c396a4.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/librustc_demangle-1d2bb09f4dcbd4be.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/liblibc-e96acda46b77a2fd.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/liballoc-596074f575b1f832.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/librustc_std_workspace_core-57f280c1596673cd.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustc0ZhQjG/libcore-16132b5b2ecf9ec1.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustc0ZhQjG/libcompiler_builtins-37286a0a9c4289ff.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" "e37f4bdbee7495d3ccb140dbfe877580ae6f95ecb2a4c61e7879707618992da6"`
[INFO] running `"docker" "rm" "-f" "e37f4bdbee7495d3ccb140dbfe877580ae6f95ecb2a4c61e7879707618992da6"`
[INFO] [stdout] e37f4bdbee7495d3ccb140dbfe877580ae6f95ecb2a4c61e7879707618992da6