[INFO] updating cached repository simonvandel/spwn
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/simonvandel/spwn
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/simonvandel/spwn" "work/ex/beta-1.37-6/sources/1.36.0/gh/simonvandel/spwn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/simonvandel/spwn'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/simonvandel/spwn" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonvandel/spwn"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonvandel/spwn'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fea201ee8e2e7ea8a505dfff1f904363c31bdef2
[INFO] sha for GitHub repo simonvandel/spwn: fea201ee8e2e7ea8a505dfff1f904363c31bdef2
[INFO] validating manifest of simonvandel/spwn 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 simonvandel/spwn 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 simonvandel/spwn
[INFO] finished frobbing simonvandel/spwn
[INFO] frobbed toml for simonvandel/spwn written to work/ex/beta-1.37-6/sources/1.36.0/gh/simonvandel/spwn/Cargo.toml
[INFO] started frobbing simonvandel/spwn
[INFO] finished frobbing simonvandel/spwn
[INFO] frobbed toml for simonvandel/spwn written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/simonvandel/spwn/Cargo.toml
[INFO] crate simonvandel/spwn already has a lockfile, it will not be regenerated
[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 simonvandel/spwn 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/simonvandel/spwn:/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] 911058597bd4e808f4ad8f251fed5c52c650f1ed691ca7750f81db3ce67441d4
[INFO] running `"docker" "start" "-a" "911058597bd4e808f4ad8f251fed5c52c650f1ed691ca7750f81db3ce67441d4"`
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling histogram v0.6.4
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling term_size v0.3.0
[INFO] [stderr]    Compiling base64 v0.4.2
[INFO] [stderr]    Compiling atty v0.2.2
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling num-bigint v0.1.37
[INFO] [stderr]    Compiling idna v0.1.1
[INFO] [stderr]    Compiling clap v2.24.1
[INFO] [stderr]    Compiling bytes v0.4.3
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling num-rational v0.1.36
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling num v0.1.37
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling chrono v0.3.1
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling tokio-core v0.1.6
[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-1.4.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     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] 
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling env_logger v0.4.2
[INFO] [stderr]    Compiling hyper v0.11.0-a.0 (https://github.com/hyperium/hyper#66551345)
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling quickcheck v0.4.1
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling error-chain v0.10.0
[INFO] [stderr]    Compiling spwn v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::net::lookup_host`
[INFO] [stderr]   --> src/boss.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::net::lookup_host;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^ no `lookup_host` in `net`
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(conservative_impl_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(lookup_host)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain! {
[INFO] [stderr] 6  | |
[INFO] [stderr] 7  | |     foreign_links {
[INFO] [stderr] 8  | |         TimeOutOfRange(OutOfRangeError);
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |     }
[INFO] [stderr] 12 | |  }
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:5:1
[INFO] [stderr]    |
[INFO] [stderr] 5  | / error_chain! {
[INFO] [stderr] 6  | |
[INFO] [stderr] 7  | |     foreign_links {
[INFO] [stderr] 8  | |         TimeOutOfRange(OutOfRangeError);
[INFO] [stderr] ...  |
[INFO] [stderr] 11 | |     }
[INFO] [stderr] 12 | |  }
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0554.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `spwn`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "911058597bd4e808f4ad8f251fed5c52c650f1ed691ca7750f81db3ce67441d4"`
[INFO] running `"docker" "rm" "-f" "911058597bd4e808f4ad8f251fed5c52c650f1ed691ca7750f81db3ce67441d4"`
[INFO] [stdout] 911058597bd4e808f4ad8f251fed5c52c650f1ed691ca7750f81db3ce67441d4