[INFO] updating cached repository cruessler/git-tree [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/cruessler/git-tree [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/cruessler/git-tree" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cruessler/git-tree"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cruessler/git-tree'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/cruessler/git-tree" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cruessler/git-tree"` [INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cruessler/git-tree'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 1f4c729332f170ed93abbf61d741f9f49f2db48b [INFO] sha for GitHub repo cruessler/git-tree: 1f4c729332f170ed93abbf61d741f9f49f2db48b [INFO] validating manifest of cruessler/git-tree on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cruessler/git-tree on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cruessler/git-tree [INFO] finished frobbing cruessler/git-tree [INFO] frobbed toml for cruessler/git-tree written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cruessler/git-tree/Cargo.toml [INFO] started frobbing cruessler/git-tree [INFO] finished frobbing cruessler/git-tree [INFO] frobbed toml for cruessler/git-tree written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/cruessler/git-tree/Cargo.toml [INFO] crate cruessler/git-tree already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking cruessler/git-tree against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-4/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/cruessler/git-tree:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 843cbe28eb8c8c78df8218eae1770b6ba7a746949a9dcd04e461b0a5c562f758 [INFO] running `"docker" "start" "-a" "843cbe28eb8c8c78df8218eae1770b6ba7a746949a9dcd04e461b0a5c562f758"` [INFO] [stderr] Compiling gcc v0.3.53 [INFO] [stderr] Checking percent-encoding v1.0.0 [INFO] [stderr] Checking openssl-probe v0.1.1 [INFO] [stderr] Checking ansi_term v0.10.1 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking backtrace-sys v0.1.16 [INFO] [stderr] Checking textwrap v0.8.0 [INFO] [stderr] Checking backtrace v0.3.5 [INFO] [stderr] Checking url v1.5.1 [INFO] [stderr] Checking clap v2.26.2 [INFO] [stderr] Checking failure v0.1.1 [INFO] [stderr] Compiling cmake v0.1.25 [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 openssl-sys v0.9.17 [INFO] [stderr] Compiling libz-sys v1.0.16 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling curl-sys v0.3.14 [INFO] [stderr] Compiling libgit2-sys v0.6.14 [INFO] [stderr] Checking git2 v0.6.8 [INFO] [stderr] Checking git-tree v0.1.3 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 48s [INFO] running `"docker" "inspect" "843cbe28eb8c8c78df8218eae1770b6ba7a746949a9dcd04e461b0a5c562f758"` [INFO] running `"docker" "rm" "-f" "843cbe28eb8c8c78df8218eae1770b6ba7a746949a9dcd04e461b0a5c562f758"` [INFO] [stdout] 843cbe28eb8c8c78df8218eae1770b6ba7a746949a9dcd04e461b0a5c562f758