[INFO] crate fann-sys 0.1.7 is already in cache
[INFO] testing fann-sys-0.1.7 against 1.38.0 for beta-1.39-1
[INFO] extracting crate fann-sys 0.1.7 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate fann-sys 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 fann-sys 0.1.7
[INFO] finished tweaking crates.io crate fann-sys 0.1.7
[INFO] tweaked toml for crates.io crate fann-sys 0.1.7 written to work/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] eed40ad6fcf193ead685e0a1667c755e4d5a5d1e2100ae770cd2ea83dbaf8c0d
[INFO] running `"docker" "start" "-a" "eed40ad6fcf193ead685e0a1667c755e4d5a5d1e2100ae770cd2ea83dbaf8c0d"`
[INFO] [stderr]    Compiling fann-sys v0.1.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "eed40ad6fcf193ead685e0a1667c755e4d5a5d1e2100ae770cd2ea83dbaf8c0d"`
[INFO] running `"docker" "rm" "-f" "eed40ad6fcf193ead685e0a1667c755e4d5a5d1e2100ae770cd2ea83dbaf8c0d"`
[INFO] [stdout] eed40ad6fcf193ead685e0a1667c755e4d5a5d1e2100ae770cd2ea83dbaf8c0d
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] d1d9e8b74fa0bf95d51fdee412173d2c498a23dc820216fac80d7f645e9f4e95
[INFO] running `"docker" "start" "-a" "d1d9e8b74fa0bf95d51fdee412173d2c498a23dc820216fac80d7f645e9f4e95"`
[INFO] [stderr]    Compiling fann-sys 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/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.fann_sys.6lkpoc4a-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352" "/opt/rustwide/target/debug/deps/fann_sys-ec54edceb5648352.bko6e9wknawc88f.rcgu.o" "-Wl,--gc-sections" "-pie" "-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" "-lfann" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-8b6fbd25e1766083.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-bd8f21e3bdd6cbdc.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-bfcad117c6a632af.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-79a1f91e8ce4eb83.rlib" "/opt/rustwide/target/debug/deps/liblibc-a3b13f6b27abcc70.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: cannot find -lfann
[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 `fann-sys`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d1d9e8b74fa0bf95d51fdee412173d2c498a23dc820216fac80d7f645e9f4e95"`
[INFO] running `"docker" "rm" "-f" "d1d9e8b74fa0bf95d51fdee412173d2c498a23dc820216fac80d7f645e9f4e95"`
[INFO] [stdout] d1d9e8b74fa0bf95d51fdee412173d2c498a23dc820216fac80d7f645e9f4e95