[INFO] crate p2p 0.6.0 is already in cache
[INFO] extracting crate p2p 0.6.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/p2p/0.6.0
[INFO] extracting crate p2p 0.6.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/p2p/0.6.0
[INFO] validating manifest of p2p-0.6.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of p2p-0.6.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing p2p-0.6.0
[INFO] finished frobbing p2p-0.6.0
[INFO] frobbed toml for p2p-0.6.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/p2p/0.6.0/Cargo.toml
[INFO] started frobbing p2p-0.6.0
[INFO] finished frobbing p2p-0.6.0
[INFO] frobbed toml for p2p-0.6.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/p2p/0.6.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing p2p-0.6.0 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/p2p/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 09080e83dc87e525d29dbf2e275b960545b8932a0e61c65c30cd58bceea0ab7c
[INFO] running `"docker" "start" "-a" "09080e83dc87e525d29dbf2e275b960545b8932a0e61c65c30cd58bceea0ab7c"`
[INFO] [stderr]    Compiling unwrap v1.1.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling url v1.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling zip v0.2.8
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling config_file_handler v0.9.0
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.5.1/src/form_urlencoded.rs:251:40
[INFO] [stderr]     |
[INFO] [stderr] 249 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 250 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 251 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling log4rs v0.7.0
[INFO] [stderr]    Compiling rust_sodium-sys v0.5.0
[INFO] [stderr]    Compiling ws v0.7.3
[INFO] [stderr] error: failed to run custom build command for `rust_sodium-sys v0.5.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/rust_sodium-sys-8add895ee1269db5/build-script-build` (exit code: 101)
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] "curl" "https://github.com/jedisct1/libsodium/releases/download/1.0.12/libsodium-1.0.12.tar.gz" "-sSLvo" "/opt/crater/target/debug/build/rust_sodium-sys-835e5b4be2f54967/out/source/libsodium-1.0.12.tar.gz"
[INFO] [stderr] 
[INFO] [stderr] * Could not resolve host: github.com
[INFO] [stderr] * Closing connection 0
[INFO] [stderr] curl: (6) Could not resolve host: github.com
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.5.0/build.rs:288:9
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5630c0c7a8fb - backtrace::backtrace::libunwind::trace::h23ae608c8b906c69
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x5630c0c7a8fb - backtrace::backtrace::trace_unsynchronized::h65b3ea295a85fd48
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.34/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x5630c0c7a8fb - std::sys_common::backtrace::_print::h24f527b44b6cfc06
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x5630c0c7a8fb - std::sys_common::backtrace::print::h712608e4347fd64a
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x5630c0c7a8fb - std::panicking::default_hook::{{closure}}::h6c3d570c2b500048
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x5630c0c7a5d6 - std::panicking::default_hook::hb29963fb4747e0dd
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x5630c0c7afbd - std::panicking::rust_panic_with_hook::hd1236c3083de823a
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x5630c0c7ab42 - std::panicking::continue_panic_fmt::he38ad41d6304a12c
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x5630c0c7aa8f - std::panicking::begin_panic_fmt::h4b478f1ed53f4521
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x5630c0bec1a5 - build_script_build::main::hce0fc938f5cf7c9a
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/rust_sodium-sys-0.5.0/build.rs:288
[INFO] [stderr]   10:     0x5630c0bf43b0 - std::rt::lang_start::{{closure}}::h9ec9e4434ed4aed3
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   11:     0x5630c0c7aa13 - std::rt::lang_start_internal::{{closure}}::hf367a5a6ae52b0ce
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   12:     0x5630c0c7aa13 - std::panicking::try::do_call::h9d779bc5e27e3284
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   13:     0x5630c0c81c0a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   14:     0x5630c0c7b4cd - std::panicking::try::h4af22d9cb0afa351
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   15:     0x5630c0c7b4cd - std::panic::catch_unwind::hbb68a9ada87bfb97
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   16:     0x5630c0c7b4cd - std::rt::lang_start_internal::hba9e09d74440ce4d
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   17:     0x5630c0bf4389 - std::rt::lang_start::h32f4d3394850dcda
[INFO] [stderr]                                at /rustc/e450539c2a8d7f791268d699cbe45ab3e57d43a1/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x5630c0beec6a - main
[INFO] [stderr]   19:     0x7f905e5802e1 - __libc_start_main
[INFO] [stderr]   20:     0x5630c0beb51a - _start
[INFO] [stderr]   21:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "09080e83dc87e525d29dbf2e275b960545b8932a0e61c65c30cd58bceea0ab7c"`
[INFO] running `"docker" "rm" "-f" "09080e83dc87e525d29dbf2e275b960545b8932a0e61c65c30cd58bceea0ab7c"`
[INFO] [stdout] 09080e83dc87e525d29dbf2e275b960545b8932a0e61c65c30cd58bceea0ab7c