[INFO] crate lather 0.0.0 is already in cache
[INFO] extracting crate lather 0.0.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/lather/0.0.0
[INFO] extracting crate lather 0.0.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lather/0.0.0
[INFO] validating manifest of lather-0.0.0 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of lather-0.0.0 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing lather-0.0.0
[INFO] finished frobbing lather-0.0.0
[INFO] frobbed toml for lather-0.0.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/lather/0.0.0/Cargo.toml
[INFO] started frobbing lather-0.0.0
[INFO] finished frobbing lather-0.0.0
[INFO] frobbed toml for lather-0.0.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lather/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing lather-0.0.0 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/lather/0.0.0:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 293dc4e388fd1966cc239b424bcd0ec0f1cdd64436471baa8393c1a0482b068c
[INFO] running `"docker" "start" "-a" "293dc4e388fd1966cc239b424bcd0ec0f1cdd64436471baa8393c1a0482b068c"`
[INFO] [stderr]    Compiling cpython v0.1.0
[INFO] [stderr]    Compiling c_vec v1.0.12
[INFO] [stderr]    Compiling quadrature v0.1.2
[INFO] [stderr]    Compiling rust-ini v0.10.3
[INFO] [stderr]    Compiling gnuplot v0.0.22
[INFO] [stderr]    Compiling GSL v0.4.31
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling rustfft v2.1.0
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling python3-sys v0.1.3
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling numpy v0.2.1
[INFO] [stderr]    Compiling lather v0.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]    --> src/simulation.rs:348:13
[INFO] [stderr]     |
[INFO] [stderr] 6   | use std::fmt::Write;
[INFO] [stderr]     |     --------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 348 |         use std::fmt::Write;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lib.rs:84:25
[INFO] [stderr]    |
[INFO] [stderr] 84 |             for (input, mut output) in bis_data.iter().zip(bisectors.as_slice_mut().unwrap()) {
[INFO] [stderr]    |                         ----^^^^^^
[INFO] [stderr]    |                         |
[INFO] [stderr]    |                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[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-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.bench.7z8qv35d-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c" "/opt/crater/target/debug/deps/bench-2503a0c997d8c06c.4c1fg717kyinu33o.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/liblather.rlib" "/opt/crater/target/debug/deps/librgsl-9cc7a67b225ca1bf.rlib" "/opt/crater/target/debug/deps/libc_vec-0c288992332fe7e9.rlib" "/opt/crater/target/debug/deps/libquadrature-22bad926b4ea9184.rlib" "/opt/crater/target/debug/deps/librulinalg-33831c54c32dafac.rlib" "/opt/crater/target/debug/deps/libnum-afef0f025f3e4a93.rlib" "/opt/crater/target/debug/deps/libnum_iter-6aa8c2e263944e3d.rlib" "/opt/crater/target/debug/deps/librustfft-d8a78974feed607a.rlib" "/opt/crater/target/debug/deps/libnum_integer-35be16e7600d6cb9.rlib" "/opt/crater/target/debug/deps/librand-e08ba8aab010d886.rlib" "/opt/crater/target/debug/deps/librand-12c0152561214ea4.rlib" "/opt/crater/target/debug/deps/libini-f3c2686250ee050b.rlib" "/opt/crater/target/debug/deps/librayon-92168abcbc206e79.rlib" "/opt/crater/target/debug/deps/librayon_core-79d59f67ce9478e1.rlib" "/opt/crater/target/debug/deps/libnum_cpus-2c854131c0da7b53.rlib" "/opt/crater/target/debug/deps/libcrossbeam_queue-9a19686c8121c25b.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-443dfff47063a34e.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-64e8ef56c5fe0efe.rlib" "/opt/crater/target/debug/deps/libscopeguard-690e8e7efd40245c.rlib" "/opt/crater/target/debug/deps/libmemoffset-4e66c457697043a8.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-41fe25ba70f5455e.rlib" "/opt/crater/target/debug/deps/liblazy_static-6a4e8ea56a445919.rlib" "/opt/crater/target/debug/deps/libarrayvec-1041925da7343e83.rlib" "/opt/crater/target/debug/deps/libnodrop-36ce0cdfb7359e6a.rlib" "/opt/crater/target/debug/deps/libcfg_if-17244d8fcea476bd.rlib" "/opt/crater/target/debug/deps/libnumpy-534639ac615d8640.rlib" "/opt/crater/target/debug/deps/libndarray-e278df6b49a89ea9.rlib" "/opt/crater/target/debug/deps/libitertools-5c285e176e65a938.rlib" "/opt/crater/target/debug/deps/libeither-09ec7c1188b8d0d0.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-add3c2ef4a6aa2e3.rlib" "/opt/crater/target/debug/deps/librawpointer-0c16108fbcdeefb9.rlib" "/opt/crater/target/debug/deps/libnum_complex-2c45d74b57ccfed4.rlib" "/opt/crater/target/debug/deps/librustc_serialize-349ba31664dfb847.rlib" "/opt/crater/target/debug/deps/libcpython-8e15b41f12de7b03.rlib" "/opt/crater/target/debug/deps/libnum_traits-c3ec1b467bca6158.rlib" "/opt/crater/target/debug/deps/libnum_traits-04277105b9bd2221.rlib" "/opt/crater/target/debug/deps/libpython3_sys-e41e8daed8c79991.rlib" "/opt/crater/target/debug/deps/liblibc-15b143653abd1ffe.rlib" "/opt/crater/target/debug/deps/libbencher-31a639d35784b2dd.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/librgsl-9cc7a67b225ca1bf.rlib(rgsl-9cc7a67b225ca1bf.rgsl.f1z7w8b3-cgu.4.rcgu.o): In function `rgsl::types::interpolation::InterpType::cspline':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-0.4.31/src/types/interpolation.rs:186: undefined reference to `gsl_interp_cspline'
[INFO] [stderr]           /opt/crater/target/debug/deps/librgsl-9cc7a67b225ca1bf.rlib(rgsl-9cc7a67b225ca1bf.rgsl.f1z7w8b3-cgu.4.rcgu.o): In function `rgsl::types::interpolation::Spline::new':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-0.4.31/src/types/interpolation.rs:236: undefined reference to `gsl_spline_alloc'
[INFO] [stderr]           /opt/crater/target/debug/deps/librgsl-9cc7a67b225ca1bf.rlib(rgsl-9cc7a67b225ca1bf.rgsl.f1z7w8b3-cgu.4.rcgu.o): In function `rgsl::types::interpolation::Spline::init':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-0.4.31/src/types/interpolation.rs:248: undefined reference to `gsl_spline_init'
[INFO] [stderr]           /opt/crater/target/debug/deps/librgsl-9cc7a67b225ca1bf.rlib(rgsl-9cc7a67b225ca1bf.rgsl.f1z7w8b3-cgu.4.rcgu.o): In function `rgsl::types::interpolation::Spline::eval':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-0.4.31/src/types/interpolation.rs:266: undefined reference to `gsl_spline_eval'
[INFO] [stderr]           /opt/crater/target/debug/deps/librgsl-9cc7a67b225ca1bf.rlib(rgsl-9cc7a67b225ca1bf.rgsl.f1z7w8b3-cgu.4.rcgu.o): In function `<rgsl::types::interpolation::Spline as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/GSL-0.4.31/src/types/interpolation.rs:300: undefined reference to `gsl_spline_free'
[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 `lather`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "293dc4e388fd1966cc239b424bcd0ec0f1cdd64436471baa8393c1a0482b068c"`
[INFO] running `"docker" "rm" "-f" "293dc4e388fd1966cc239b424bcd0ec0f1cdd64436471baa8393c1a0482b068c"`
[INFO] [stdout] 293dc4e388fd1966cc239b424bcd0ec0f1cdd64436471baa8393c1a0482b068c