[INFO] updating cached repository https://github.com/eagletmt/fastladder-twitter [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] 3b36588a7f500c90278a8690fa843fac9810b7a6 [INFO] checking eagletmt/fastladder-twitter against try#00e4530a79c42b21a6ca2ac1edb597c90d21f89f for pr-64672 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Feagletmt%2Ffastladder-twitter" "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/eagletmt/fastladder-twitter on toolchain 00e4530a79c42b21a6ca2ac1edb597c90d21f89f [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/eagletmt/fastladder-twitter [INFO] finished tweaking git repo https://github.com/eagletmt/fastladder-twitter [INFO] tweaked toml for git repo https://github.com/eagletmt/fastladder-twitter written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/eagletmt/fastladder-twitter already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/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" "+00e4530a79c42b21a6ca2ac1edb597c90d21f89f" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] d508ea8e455ffd98eb5a54b0213bc222e0070b261eaa5404e5bcc2c3a6001f1e [INFO] running `"docker" "start" "-a" "d508ea8e455ffd98eb5a54b0213bc222e0070b261eaa5404e5bcc2c3a6001f1e"` [INFO] [stderr] Compiling libc v0.2.21 [INFO] [stderr] Compiling rayon-core v1.0.0 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling gcc v0.3.45 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking matches v0.1.4 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Checking unicode-normalization v0.1.4 [INFO] [stderr] Checking untrusted v0.3.2 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking rustc-serialize v0.3.23 [INFO] [stderr] Checking log v0.3.7 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Checking traitobject v0.1.0 [INFO] [stderr] Checking httparse v1.2.1 [INFO] [stderr] Checking utf8-ranges v1.0.0 [INFO] [stderr] Checking regex-syntax v0.4.0 [INFO] [stderr] Checking typeable v0.1.2 [INFO] [stderr] Checking base64 v0.2.1 [INFO] [stderr] Checking language-tags v0.2.2 [INFO] [stderr] Checking bitflags v0.8.2 [INFO] [stderr] Checking itoa v0.3.1 [INFO] [stderr] Checking dtoa v0.4.1 [INFO] [stderr] Checking unicode-segmentation v1.1.0 [INFO] [stderr] Checking vec_map v0.7.0 [INFO] [stderr] Checking num-traits v0.1.37 [INFO] [stderr] Checking serde v0.9.13 [INFO] [stderr] Checking unicode-bidi v0.2.5 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Checking unreachable v0.1.1 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking mime v0.2.3 [INFO] [stderr] Compiling rand v0.3.15 [INFO] [stderr] Compiling num_cpus v1.3.0 [INFO] [stderr] Checking thread-id v3.0.0 [INFO] [stderr] Checking time v0.1.36 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking atty v0.2.2 [INFO] [stderr] Checking term_size v0.3.0 [INFO] [stderr] Compiling syn v0.11.10 [INFO] [stderr] Checking idna v0.1.1 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Compiling unicase v1.4.0 [INFO] [stderr] Compiling hyper v0.10.8 [INFO] [stderr] Checking clap v2.23.2 [INFO] [stderr] Compiling deque v0.3.1 [INFO] [stderr] Checking regex v0.2.1 [INFO] [stderr] Checking url v1.4.0 [INFO] [stderr] Compiling rayon v0.7.0 [INFO] [stderr] Compiling serde_codegen_internals v0.14.2 [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 env_logger v0.4.2 [INFO] [stderr] Compiling ring v0.7.4 [INFO] [stderr] Compiling serde_derive v0.9.13 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking webpki v0.10.1 [INFO] [stderr] Checking webpki-roots v0.7.0 [INFO] [stderr] Checking rustls v0.5.8 [INFO] [stderr] Checking hyper-rustls v0.3.2 [INFO] [stderr] Checking fastladder-twitter v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `"docker" "inspect" "d508ea8e455ffd98eb5a54b0213bc222e0070b261eaa5404e5bcc2c3a6001f1e"` [INFO] running `"docker" "rm" "-f" "d508ea8e455ffd98eb5a54b0213bc222e0070b261eaa5404e5bcc2c3a6001f1e"` [INFO] [stdout] d508ea8e455ffd98eb5a54b0213bc222e0070b261eaa5404e5bcc2c3a6001f1e