[INFO] updating cached repository thatlittlegit/webcrawler [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/thatlittlegit/webcrawler [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/thatlittlegit/webcrawler" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/thatlittlegit/webcrawler"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/thatlittlegit/webcrawler'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/thatlittlegit/webcrawler" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/thatlittlegit/webcrawler"` [INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/thatlittlegit/webcrawler'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 94de54a5aef07dbac6723d479daedb669e207f21 [INFO] sha for GitHub repo thatlittlegit/webcrawler: 94de54a5aef07dbac6723d479daedb669e207f21 [INFO] validating manifest of thatlittlegit/webcrawler on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of thatlittlegit/webcrawler on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing thatlittlegit/webcrawler [INFO] finished frobbing thatlittlegit/webcrawler [INFO] frobbed toml for thatlittlegit/webcrawler written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/thatlittlegit/webcrawler/Cargo.toml [INFO] started frobbing thatlittlegit/webcrawler [INFO] finished frobbing thatlittlegit/webcrawler [INFO] frobbed toml for thatlittlegit/webcrawler written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/thatlittlegit/webcrawler/Cargo.toml [INFO] crate thatlittlegit/webcrawler already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking thatlittlegit/webcrawler against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-7/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/thatlittlegit/webcrawler:/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=forbid" "-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" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] b106bf8407f86ec7ecb67473a7eb7aaf2473894d2aa704925ae28006e5be8d85 [INFO] running `"docker" "start" "-a" "b106bf8407f86ec7ecb67473a7eb7aaf2473894d2aa704925ae28006e5be8d85"` [INFO] [stderr] Compiling cc v1.0.10 [INFO] [stderr] Compiling serde v1.0.42 [INFO] [stderr] Checking utf-8 v0.7.2 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking tokio-service v0.1.0 [INFO] [stderr] Checking relay v0.1.1 [INFO] [stderr] Checking encoding_rs v0.7.2 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Checking base64 v0.9.0 [INFO] [stderr] Checking regex-syntax v0.5.5 [INFO] [stderr] Checking tokio-timer v0.2.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Checking debug_unreachable v0.1.1 [INFO] [stderr] Checking tokio-io v0.1.6 [INFO] [stderr] Checking uuid v0.5.1 [INFO] [stderr] Checking url v1.7.0 [INFO] [stderr] Checking futf v0.1.3 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking tokio-threadpool v0.1.2 [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-1.7.0/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] Checking tendril v0.4.0 [INFO] [stderr] Checking tokio-reactor v0.1.1 [INFO] [stderr] Checking libflate v0.1.14 [INFO] [stderr] Compiling string_cache_codegen v0.4.1 [INFO] [stderr] Checking tokio-udp v0.1.0 [INFO] [stderr] Checking tokio-tcp v0.1.0 [INFO] [stderr] Compiling openssl-sys v0.9.28 [INFO] [stderr] Checking tokio v0.1.5 [INFO] [stderr] Checking regex v0.2.10 [INFO] [stderr] Checking tokio-core v0.1.17 [INFO] [stderr] Compiling string_cache v0.7.2 [INFO] [stderr] Compiling openssl v0.9.24 [INFO] [stderr] Checking tokio-proto v0.1.1 [INFO] [stderr] Checking env_logger v0.5.9 [INFO] [stderr] Checking hyper v0.11.25 [INFO] [stderr] Checking native-tls v0.1.5 [INFO] [stderr] Checking tokio-tls v0.1.4 [INFO] [stderr] Checking serde_json v1.0.16 [INFO] [stderr] Checking serde_urlencoded v0.5.1 [INFO] [stderr] Checking hyper-tls v0.1.3 [INFO] [stderr] Checking reqwest v0.8.5 [INFO] [stderr] Checking robotparser v0.10.1 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling html5ever v0.22.2 [INFO] [stderr] Compiling serde_derive v1.0.42 [INFO] [stderr] Compiling markup5ever v0.7.2 [INFO] [stderr] Checking ammonia v1.1.0 [INFO] [stderr] Checking crawler v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | let mut hostname = String::from(parsed_url.host_str().unwrap()); // TODO Merge with previous line [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:117:17 [INFO] [stderr] | [INFO] [stderr] 117 | let mut original_hostname = hostname.clone(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | let mut robotsok: (String, RobotFileParser); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:108:17 [INFO] [stderr] | [INFO] [stderr] 108 | let mut hostname = String::from(parsed_url.host_str().unwrap()); // TODO Merge with previous line [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] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:117:17 [INFO] [stderr] | [INFO] [stderr] 117 | let mut original_hostname = hostname.clone(); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:120:17 [INFO] [stderr] | [INFO] [stderr] 120 | let mut robotsok: (String, RobotFileParser); [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 47s [INFO] running `"docker" "inspect" "b106bf8407f86ec7ecb67473a7eb7aaf2473894d2aa704925ae28006e5be8d85"` [INFO] running `"docker" "rm" "-f" "b106bf8407f86ec7ecb67473a7eb7aaf2473894d2aa704925ae28006e5be8d85"` [INFO] [stdout] b106bf8407f86ec7ecb67473a7eb7aaf2473894d2aa704925ae28006e5be8d85