[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 549d70a138cdda07f213772732fa62883167209a66d6e2bfdfd24db60d8556c2
[INFO] running `"docker" "start" "-a" "549d70a138cdda07f213772732fa62883167209a66d6e2bfdfd24db60d8556c2"`
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]    Compiling cpython v0.1.0
[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 rustfft v2.1.0
[INFO] [stderr]    Compiling python3-sys v0.1.3
[INFO] [stderr]    Compiling png v0.9.0
[INFO] [stderr]    Compiling rayon v0.8.2
[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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.bench.budjqj8e-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f" "/opt/crater/target/debug/deps/bench-9108925f6e46bf1f.39uzc16e0mgg4s9u.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-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-8cae6f2726f261e9.rlib" "/opt/crater/target/debug/deps/libc_vec-5357ab42bd6ac9df.rlib" "/opt/crater/target/debug/deps/libquadrature-01672315de3ca039.rlib" "/opt/crater/target/debug/deps/librulinalg-15f74ddcf63070a9.rlib" "/opt/crater/target/debug/deps/libnum-9181060792beca92.rlib" "/opt/crater/target/debug/deps/libnum_iter-119af297c543b436.rlib" "/opt/crater/target/debug/deps/librustfft-faeac68c2c6196a1.rlib" "/opt/crater/target/debug/deps/libnum_integer-a81dd69c1c0fe133.rlib" "/opt/crater/target/debug/deps/librand-7173874d3e26156a.rlib" "/opt/crater/target/debug/deps/librand-00e4c4fa1088f68e.rlib" "/opt/crater/target/debug/deps/libini-193994469e724cfc.rlib" "/opt/crater/target/debug/deps/librayon-138017e6b630a55a.rlib" "/opt/crater/target/debug/deps/librayon_core-50cb101975bd040e.rlib" "/opt/crater/target/debug/deps/libnum_cpus-84b2b9d4899d054a.rlib" "/opt/crater/target/debug/deps/libcrossbeam_queue-c0f5751a63321b42.rlib" "/opt/crater/target/debug/deps/libcrossbeam_deque-0ba8a41350b6f2ca.rlib" "/opt/crater/target/debug/deps/libcrossbeam_epoch-fb6e8420b402c637.rlib" "/opt/crater/target/debug/deps/libscopeguard-9b8601d6dfc234d1.rlib" "/opt/crater/target/debug/deps/libmemoffset-f086ca483a85f9a8.rlib" "/opt/crater/target/debug/deps/libcrossbeam_utils-1194d3403efb476d.rlib" "/opt/crater/target/debug/deps/liblazy_static-35422c5bca3b6d90.rlib" "/opt/crater/target/debug/deps/libarrayvec-fc69fa362388ff8e.rlib" "/opt/crater/target/debug/deps/libnodrop-e7a4f1c1f7749e1f.rlib" "/opt/crater/target/debug/deps/libcfg_if-29b6f8db75d699b1.rlib" "/opt/crater/target/debug/deps/libnumpy-fd4657d408891fc9.rlib" "/opt/crater/target/debug/deps/libndarray-0a820d73bbce7dcb.rlib" "/opt/crater/target/debug/deps/libitertools-2653b8f1ce8fea2c.rlib" "/opt/crater/target/debug/deps/libeither-330d39b835267df2.rlib" "/opt/crater/target/debug/deps/libmatrixmultiply-a3a52e9cf1841a3b.rlib" "/opt/crater/target/debug/deps/librawpointer-00bcf4c98a1e46cc.rlib" "/opt/crater/target/debug/deps/libnum_complex-e9c9b6bb110468dc.rlib" "/opt/crater/target/debug/deps/librustc_serialize-04f5d71c016b4cf1.rlib" "/opt/crater/target/debug/deps/libcpython-04e746c24e27e8b6.rlib" "/opt/crater/target/debug/deps/libnum_traits-2ff1be0d267196f3.rlib" "/opt/crater/target/debug/deps/libnum_traits-8c434304d2c544b1.rlib" "/opt/crater/target/debug/deps/libpython3_sys-8b79b50fa956af51.rlib" "/opt/crater/target/debug/deps/liblibc-e3ba75b536aabfa5.rlib" "/opt/crater/target/debug/deps/libbencher-bd6e2172ad5503cb.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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-8cae6f2726f261e9.rlib(rgsl-8cae6f2726f261e9.rgsl.ba90eg4a-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-8cae6f2726f261e9.rlib(rgsl-8cae6f2726f261e9.rgsl.ba90eg4a-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-8cae6f2726f261e9.rlib(rgsl-8cae6f2726f261e9.rgsl.ba90eg4a-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-8cae6f2726f261e9.rlib(rgsl-8cae6f2726f261e9.rgsl.ba90eg4a-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-8cae6f2726f261e9.rlib(rgsl-8cae6f2726f261e9.rgsl.ba90eg4a-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" "549d70a138cdda07f213772732fa62883167209a66d6e2bfdfd24db60d8556c2"`
[INFO] running `"docker" "rm" "-f" "549d70a138cdda07f213772732fa62883167209a66d6e2bfdfd24db60d8556c2"`
[INFO] [stdout] 549d70a138cdda07f213772732fa62883167209a66d6e2bfdfd24db60d8556c2