[INFO] updating cached repository https://github.com/mattmac4241/po-tweet [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/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] 217cd5c078fc4a761c64183b5380513aa4e6d69e [INFO] testing mattmac4241/po-tweet against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattmac4241%2Fpo-tweet" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mattmac4241/po-tweet on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mattmac4241/po-tweet [INFO] finished tweaking git repo https://github.com/mattmac4241/po-tweet [INFO] tweaked toml for git repo https://github.com/mattmac4241/po-tweet written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/mattmac4241/po-tweet already has a lockfile, it will not be regenerated [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/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=warn" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 23a6d2fc6340ee9e0a32ae0ca234abdcca76795f14d12062ece9aa964de9c2fb [INFO] running `"docker" "start" "-a" "23a6d2fc6340ee9e0a32ae0ca234abdcca76795f14d12062ece9aa964de9c2fb"` [INFO] [stderr] warning: dependency (rocket_contrib) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions [INFO] [stderr] Compiling pq-sys v0.2.7 [INFO] [stderr] Compiling serde v0.8.22 [INFO] [stderr] Compiling ring v0.3.1 [INFO] [stderr] Compiling memchr v0.1.11 [INFO] [stderr] Compiling hpack v0.2.0 [INFO] [stderr] Compiling syn v0.10.6 [INFO] [stderr] Compiling toml v0.2.1 [INFO] [stderr] Compiling rocket_codegen v0.1.5 [INFO] [stderr] Compiling url v1.3.0 [INFO] [stderr] Compiling thread-id v2.0.0 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Compiling term-painter v0.2.3 [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rocket_codegen-0.1.5/build.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(slice_patterns)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `rocket_codegen`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error[E0277]: `&&std::vec::Vec` is not an iterator [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ring-0.3.1/build.rs:206:14 [INFO] [stderr] | [INFO] [stderr] 206 | .args(&args) [INFO] [stderr] | ^^^^ `&&std::vec::Vec` is not an iterator [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::iter::Iterator` is not implemented for `&&std::vec::Vec` [INFO] [stderr] = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `&&std::vec::Vec` [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `ring`. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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-1.3.0/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] error: build failed [INFO] running `"docker" "inspect" "23a6d2fc6340ee9e0a32ae0ca234abdcca76795f14d12062ece9aa964de9c2fb"` [INFO] running `"docker" "rm" "-f" "23a6d2fc6340ee9e0a32ae0ca234abdcca76795f14d12062ece9aa964de9c2fb"` [INFO] [stdout] 23a6d2fc6340ee9e0a32ae0ca234abdcca76795f14d12062ece9aa964de9c2fb