[INFO] updating cached repository NamsooCho/search [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/NamsooCho/search [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/NamsooCho/search" "work/ex/beta-1.38-1/sources/1.37.0/gh/NamsooCho/search"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/NamsooCho/search'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/NamsooCho/search" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NamsooCho/search"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NamsooCho/search'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ae03a633c1b5525881cf2ce3362977e3ce7ac2e4 [INFO] sha for GitHub repo NamsooCho/search: ae03a633c1b5525881cf2ce3362977e3ce7ac2e4 [INFO] validating manifest of NamsooCho/search 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 NamsooCho/search 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 NamsooCho/search [INFO] finished frobbing NamsooCho/search [INFO] frobbed toml for NamsooCho/search written to work/ex/beta-1.38-1/sources/1.37.0/gh/NamsooCho/search/Cargo.toml [INFO] started frobbing NamsooCho/search [INFO] finished frobbing NamsooCho/search [INFO] frobbed toml for NamsooCho/search written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/NamsooCho/search/Cargo.toml [INFO] crate NamsooCho/search already has a lockfile, it will not be regenerated [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 NamsooCho/search against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/NamsooCho/search:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 665541ee1e808039f5a9a1cc12d536dd39e0357b9dd526eec9712dd67ee0b2a7 [INFO] running `"docker" "start" "-a" "665541ee1e808039f5a9a1cc12d536dd39e0357b9dd526eec9712dd67ee0b2a7"` [INFO] [stderr] Compiling lazy_static v0.2.10 [INFO] [stderr] Compiling openssl v0.9.21 [INFO] [stderr] Compiling serde v1.0.21 [INFO] [stderr] Compiling openssl-sys v0.9.21 [INFO] [stderr] Compiling url v1.6.0 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling regex v0.2.2 [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-1.6.0/src/form_urlencoded.rs:261:40 [INFO] [stderr] | [INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 260 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 261 | 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 env_logger v0.4.3 [INFO] [stderr] Compiling multimap v0.4.0 [INFO] [stderr] Compiling search v0.1.0 (/opt/crater/workdir) [INFO] [stderr] error[E0425]: cannot find function `lookup_host` in module `net` [INFO] [stderr] --> src/dns.rs:25:20 [INFO] [stderr] | [INFO] [stderr] 25 | match net::lookup_host (&host) { [INFO] [stderr] | ^^^^^^^^^^^ not found 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(lookup_host)] [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(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 3 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: Could not compile `search`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "665541ee1e808039f5a9a1cc12d536dd39e0357b9dd526eec9712dd67ee0b2a7"` [INFO] running `"docker" "rm" "-f" "665541ee1e808039f5a9a1cc12d536dd39e0357b9dd526eec9712dd67ee0b2a7"` [INFO] [stdout] 665541ee1e808039f5a9a1cc12d536dd39e0357b9dd526eec9712dd67ee0b2a7