[INFO] updating cached repository https://github.com/andersonmills/modmod [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 767a5aedb93edf8d443f0ef4e094fbe44c8e326f [INFO] checking andersonmills/modmod against try#e689e5eaefe96e6dc3ed5bb629c521b7d207aff7 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandersonmills%2Fmodmod" "work/builds/worker-7/source"` [INFO] [stderr] Cloning into 'work/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/andersonmills/modmod on toolchain e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/andersonmills/modmod [INFO] finished tweaking git repo https://github.com/andersonmills/modmod [INFO] tweaked toml for git repo https://github.com/andersonmills/modmod written to work/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/andersonmills/modmod already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e689e5eaefe96e6dc3ed5bb629c521b7d207aff7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2cb2f99e8b35dcb2abaff2d41f727d6b592154d6a4915aa3cd2a9358961c8e96 [INFO] running `"docker" "start" "-a" "2cb2f99e8b35dcb2abaff2d41f727d6b592154d6a4915aa3cd2a9358961c8e96"` [INFO] [stderr] Compiling cmake v0.1.23 [INFO] [stderr] Checking unicode-bidi v0.3.1 [INFO] [stderr] Checking libz-sys v1.0.13 [INFO] [stderr] Checking docopt v0.7.0 [INFO] [stderr] Checking curl-sys v0.3.11 [INFO] [stderr] Checking idna v0.1.2 [INFO] [stderr] Compiling libssh2-sys v0.2.6 [INFO] [stderr] Compiling libgit2-sys v0.6.10 [INFO] [stderr] Checking url v1.4.0 [INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.4.0/src/form_urlencoded.rs:246:40 [INFO] [stderr] | [INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> { [INFO] [stderr] | -- lifetime `'a` defined here [INFO] [stderr] 245 | fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization } [INFO] [stderr] 246 | 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 git2 v0.6.5 [INFO] [stderr] Checking modmod v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused variable: `cb` [INFO] [stderr] --> src/modmod.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | let cb = & mut git2::build::CheckoutBuilder::new(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_cb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/parse.rs:6:31 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn update_puppetfile_mods(source: &str, version: &str) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> src/parse.rs:6:45 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn update_puppetfile_mods(source: &str, version: &str) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_version` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `cb` [INFO] [stderr] --> src/modmod.rs:70:13 [INFO] [stderr] | [INFO] [stderr] 70 | let cb = & mut git2::build::CheckoutBuilder::new(); [INFO] [stderr] | ^^ help: consider prefixing with an underscore: `_cb` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `source` [INFO] [stderr] --> src/parse.rs:6:31 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn update_puppetfile_mods(source: &str, version: &str) { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_source` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `version` [INFO] [stderr] --> src/parse.rs:6:45 [INFO] [stderr] | [INFO] [stderr] 6 | pub fn update_puppetfile_mods(source: &str, version: &str) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_version` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 58.12s [INFO] running `"docker" "inspect" "2cb2f99e8b35dcb2abaff2d41f727d6b592154d6a4915aa3cd2a9358961c8e96"` [INFO] running `"docker" "rm" "-f" "2cb2f99e8b35dcb2abaff2d41f727d6b592154d6a4915aa3cd2a9358961c8e96"` [INFO] [stdout] 2cb2f99e8b35dcb2abaff2d41f727d6b592154d6a4915aa3cd2a9358961c8e96