[INFO] updating cached repository meepoSenpai/trebuchet-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/meepoSenpai/trebuchet-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/meepoSenpai/trebuchet-rs" "work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/meepoSenpai/trebuchet-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/meepoSenpai/trebuchet-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/meepoSenpai/trebuchet-rs" "work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/meepoSenpai/trebuchet-rs"` [INFO] [stderr] Cloning into 'work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/meepoSenpai/trebuchet-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 542b57b2dabd8bdf5e3eed46a726cfb2be3fd4db [INFO] sha for GitHub repo meepoSenpai/trebuchet-rs: 542b57b2dabd8bdf5e3eed46a726cfb2be3fd4db [INFO] validating manifest of meepoSenpai/trebuchet-rs on toolchain master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of meepoSenpai/trebuchet-rs on toolchain try#58b21121d0b447ceb3f1a655155d802191acf044 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing meepoSenpai/trebuchet-rs [INFO] finished frobbing meepoSenpai/trebuchet-rs [INFO] frobbed toml for meepoSenpai/trebuchet-rs written to work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/meepoSenpai/trebuchet-rs/Cargo.toml [INFO] started frobbing meepoSenpai/trebuchet-rs [INFO] finished frobbing meepoSenpai/trebuchet-rs [INFO] frobbed toml for meepoSenpai/trebuchet-rs written to work/ex/pr-61100/sources/try#58b21121d0b447ceb3f1a655155d802191acf044/gh/meepoSenpai/trebuchet-rs/Cargo.toml [INFO] crate meepoSenpai/trebuchet-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+58b21121d0b447ceb3f1a655155d802191acf044-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking meepoSenpai/trebuchet-rs against master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504 for pr-61100 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-61100/worker-5/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-61100/sources/master#8869ee03d7f258e1b76a11c6fbb01b5708a9f504/gh/meepoSenpai/trebuchet-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+8869ee03d7f258e1b76a11c6fbb01b5708a9f504-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] deeec65cd535e9e940603382181d25f3695d5f2cd6cb6a6394c84f07ca9a2c4b [INFO] running `"docker" "start" "-a" "deeec65cd535e9e940603382181d25f3695d5f2cd6cb6a6394c84f07ca9a2c4b"` [INFO] [stderr] Checking url v1.5.1 [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] Checking hyper v0.10.12 [INFO] [stderr] Checking serde_urlencoded v0.4.3 [INFO] [stderr] Checking hyper-native-tls v0.2.4 [INFO] [stderr] Checking reqwest v0.4.0 [INFO] [stderr] Checking ddg v0.3.0 [INFO] [stderr] Checking trebuchet-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/web_search.rs:47:37 [INFO] [stderr] | [INFO] [stderr] 47 | let mut counter = &mut counter; [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: function is never used: `try_launch` [INFO] [stderr] --> src/launch.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn try_launch(name: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/web_search.rs:47:37 [INFO] [stderr] | [INFO] [stderr] 47 | let mut counter = &mut counter; [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: function is never used: `try_launch` [INFO] [stderr] --> src/launch.rs:13:1 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn try_launch(name: &str) -> Result<(), Box> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.02s [INFO] running `"docker" "inspect" "deeec65cd535e9e940603382181d25f3695d5f2cd6cb6a6394c84f07ca9a2c4b"` [INFO] running `"docker" "rm" "-f" "deeec65cd535e9e940603382181d25f3695d5f2cd6cb6a6394c84f07ca9a2c4b"` [INFO] [stdout] deeec65cd535e9e940603382181d25f3695d5f2cd6cb6a6394c84f07ca9a2c4b