[INFO] updating cached repository teiesti/fussel [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/teiesti/fussel [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/teiesti/fussel" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/teiesti/fussel"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/teiesti/fussel'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/teiesti/fussel" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/teiesti/fussel"` [INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/teiesti/fussel'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 29589540d3c2a72c532cc0e865b309b323575b1b [INFO] sha for GitHub repo teiesti/fussel: 29589540d3c2a72c532cc0e865b309b323575b1b [INFO] validating manifest of teiesti/fussel on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of teiesti/fussel on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing teiesti/fussel [INFO] finished frobbing teiesti/fussel [INFO] frobbed toml for teiesti/fussel written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/teiesti/fussel/Cargo.toml [INFO] started frobbing teiesti/fussel [INFO] finished frobbing teiesti/fussel [INFO] frobbed toml for teiesti/fussel written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/teiesti/fussel/Cargo.toml [INFO] crate teiesti/fussel already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking teiesti/fussel against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-4/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/teiesti/fussel:/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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] fcc6f112733170840c9986545194cbb1bc91420e25be6afc7a1e471546f622b3 [INFO] running `"docker" "start" "-a" "fcc6f112733170840c9986545194cbb1bc91420e25be6afc7a1e471546f622b3"` [INFO] [stderr] Checking same-file v1.0.2 [INFO] [stderr] Checking yansi v0.3.4 [INFO] [stderr] Compiling cmake v0.1.29 [INFO] [stderr] Compiling openssl-sys v0.9.24 [INFO] [stderr] Compiling libz-sys v1.0.18 [INFO] [stderr] Compiling curl-sys v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.2.2 [INFO] [stderr] Checking memchr v2.0.1 [INFO] [stderr] Checking toml v0.4.5 [INFO] [stderr] Checking aho-corasick v0.6.4 [INFO] [stderr] Checking clap v2.29.4 [INFO] [stderr] Checking walkdir v2.1.3 [INFO] [stderr] Checking url v1.6.0 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling libgit2-sys v0.6.19 [INFO] [stderr] Checking regex v0.2.6 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.12 [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] [INFO] [stderr] Compiling structopt-derive v0.2.2 [INFO] [stderr] Checking structopt v0.2.2 [INFO] [stderr] Checking git2 v0.6.11 [INFO] [stderr] Checking fussel v0.1.0-dev (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lint/indentation.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lint/indentation.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [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/lint/line_break.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [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/lint/line_length.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [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/lint/trailing_newline.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [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/lint/line_break.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [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/lint/line_length.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [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/lint/trailing_newline.rs:17:18 [INFO] [stderr] | [INFO] [stderr] 17 | fn into_iter(mut self) -> Self::IntoIter { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 49s [INFO] running `"docker" "inspect" "fcc6f112733170840c9986545194cbb1bc91420e25be6afc7a1e471546f622b3"` [INFO] running `"docker" "rm" "-f" "fcc6f112733170840c9986545194cbb1bc91420e25be6afc7a1e471546f622b3"` [INFO] [stdout] fcc6f112733170840c9986545194cbb1bc91420e25be6afc7a1e471546f622b3