[INFO] crate fftw 0.6.0 is already in cache
[INFO] extracting crate fftw 0.6.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/fftw/0.6.0
[INFO] extracting crate fftw 0.6.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fftw/0.6.0
[INFO] validating manifest of fftw-0.6.0 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 fftw-0.6.0 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 fftw-0.6.0
[INFO] finished frobbing fftw-0.6.0
[INFO] frobbed toml for fftw-0.6.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fftw/0.6.0/Cargo.toml
[INFO] started frobbing fftw-0.6.0
[INFO] finished frobbing fftw-0.6.0
[INFO] frobbed toml for fftw-0.6.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fftw/0.6.0/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] [stderr]     Blocking waiting for file lock on package cache lock
[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] [stderr]     Blocking waiting for file lock on package cache
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing fftw-0.6.0 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/fftw/0.6.0:/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] c1dfb7628a47ba0843f30cf87a78ddf6cdb2b17554a91e53c602cacb1006c463
[INFO] running `"docker" "start" "-a" "c1dfb7628a47ba0843f30cf87a78ddf6cdb2b17554a91e53c602cacb1006c463"`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling fftw-src v0.3.0
[INFO] [stderr] error: failed to run custom build command for `fftw-src v0.3.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/fftw-src-a960806ae9a36e52/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Error: Error(Hyper(Error(Connect, Custom { kind: Other, error: StringError("failed to lookup address information: Temporary failure in name resolution") })), "http://www.fftw.org/fftw-3.3.6-pl1.tar.gz")
[INFO] [stderr] 
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0: failure::backtrace::internal::InternalBacktrace::new::hfeab119dddb60f1c (0x5575bf5975f3)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/internal.rs:44
[INFO] [stderr]    1: failure::backtrace::Backtrace::new::hc4037e0989566921 (0x5575bf59739e)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/backtrace/mod.rs:111
[INFO] [stderr]    2: <failure::error::error_impl::ErrorImpl as core::convert::From<F>>::from::hdc505acda0199edf (0x5575bec61448)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/error_impl.rs:19
[INFO] [stderr]    3: <failure::error::Error as core::convert::From<F>>::from::h70547108016cb835 (0x5575bec52b53)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/failure-0.1.5/src/error/mod.rs:36
[INFO] [stderr]    4: build_script_build::download_archive_unix::h02aa7eb7f2077093 (0x5575bec474aa)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/fftw-src-0.3.0/build.rs:63
[INFO] [stderr]    5: build_script_build::main::h8cd382946d250193 (0x5575bec4930f)
[INFO] [stderr]              at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/fftw-src-0.3.0/build.rs:141
[INFO] [stderr]    6: std::rt::lang_start::{{closure}}::haf42fa3760c2d2db (0x5575bec4e680)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]    7: std::rt::lang_start_internal::{{closure}}::h3a7adfabc7c47a5f (0x5575bf607393)
[INFO] [stderr]              at src/libstd/rt.rs:49
[INFO] [stderr]       std::panicking::try::do_call::hc3d8373a0b215f51
[INFO] [stderr]              at src/libstd/panicking.rs:293
[INFO] [stderr]    8: __rust_maybe_catch_panic (0x5575bf60fd2a)
[INFO] [stderr]              at src/libpanic_unwind/lib.rs:85
[INFO] [stderr]    9: std::panicking::try::hfb06c315006b63ac (0x5575bf607f5d)
[INFO] [stderr]              at src/libstd/panicking.rs:272
[INFO] [stderr]       std::panic::catch_unwind::h6cd8469da971482b
[INFO] [stderr]              at src/libstd/panic.rs:394
[INFO] [stderr]       std::rt::lang_start_internal::he5218c8b95d395f2
[INFO] [stderr]              at src/libstd/rt.rs:48
[INFO] [stderr]   10: std::rt::lang_start::h876f2c7e41ceac47 (0x5575bec4e659)
[INFO] [stderr]              at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/rt.rs:64
[INFO] [stderr]   11: main (0x5575bec4972a)
[INFO] [stderr]   12: __libc_start_main (0x7f12ae0d42e1)
[INFO] [stderr]   13: _start (0x5575bec44ffa)
[INFO] [stderr]   14: <unknown> (0x0)
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "c1dfb7628a47ba0843f30cf87a78ddf6cdb2b17554a91e53c602cacb1006c463"`
[INFO] running `"docker" "rm" "-f" "c1dfb7628a47ba0843f30cf87a78ddf6cdb2b17554a91e53c602cacb1006c463"`
[INFO] [stdout] c1dfb7628a47ba0843f30cf87a78ddf6cdb2b17554a91e53c602cacb1006c463