[INFO] updating cached repository methodin/tiger [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/methodin/tiger [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/methodin/tiger" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/methodin/tiger"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/methodin/tiger'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/methodin/tiger" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/methodin/tiger"` [INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/methodin/tiger'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 24cd5f7adf93f7a5ba1e4f64a0fe2e44306882c9 [INFO] sha for GitHub repo methodin/tiger: 24cd5f7adf93f7a5ba1e4f64a0fe2e44306882c9 [INFO] validating manifest of methodin/tiger on toolchain master#1891bfa80364eead426517c68de6947b7692e2de [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of methodin/tiger on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing methodin/tiger [INFO] finished frobbing methodin/tiger [INFO] frobbed toml for methodin/tiger written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/methodin/tiger/Cargo.toml [INFO] started frobbing methodin/tiger [INFO] finished frobbing methodin/tiger [INFO] frobbed toml for methodin/tiger written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/methodin/tiger/Cargo.toml [INFO] crate methodin/tiger already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking methodin/tiger against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-3/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/methodin/tiger:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 81794688fc780144a4268deeabd34f5480ca40842b65de679fde03de832d0d4f [INFO] running `"docker" "start" "-a" "81794688fc780144a4268deeabd34f5480ca40842b65de679fde03de832d0d4f"` [INFO] [stderr] Compiling openssl v0.9.14 [INFO] [stderr] Compiling scopeguard v0.3.2 [INFO] [stderr] Compiling lazy_static v0.2.8 [INFO] [stderr] Compiling futures v0.1.14 [INFO] [stderr] Checking untrusted v0.5.0 [INFO] [stderr] Checking uuid v0.5.0 [INFO] [stderr] Checking md5 v0.3.4 [INFO] [stderr] Compiling openssl-sys v0.9.14 [INFO] [stderr] Compiling num_cpus v1.5.1 [INFO] [stderr] Checking thread-id v3.1.0 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking base64 v0.5.2 [INFO] [stderr] Checking xml-rs v0.6.0 [INFO] [stderr] Checking serde_json v0.9.10 [INFO] [stderr] Checking bincode v0.8.0 [INFO] [stderr] Checking nix v0.8.1 [INFO] [stderr] Checking idna v0.1.2 [INFO] [stderr] Compiling coco v0.1.1 [INFO] [stderr] Checking retry v0.4.0 [INFO] [stderr] Checking twox-hash v1.1.0 [INFO] [stderr] Checking thread_local v0.3.3 [INFO] [stderr] Compiling rusoto_core v0.26.0 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking nom v3.1.0 [INFO] [stderr] Checking serde_yaml v0.7.1 [INFO] [stderr] Checking url v1.5.0 [INFO] [stderr] Checking chrono v0.2.25 [INFO] [stderr] Checking chrono v0.3.1 [INFO] [stderr] Checking regex v0.2.2 [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-1.5.0/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] [INFO] [stderr] Checking hyper v0.10.12 [INFO] [stderr] Checking serde_urlencoded v0.4.3 [INFO] [stderr] Compiling rayon-core v1.2.1 [INFO] [stderr] Compiling rayon v0.7.1 [INFO] [stderr] Checking mysql v11.1.2 [INFO] [stderr] Checking native-tls v0.1.2 [INFO] [stderr] Compiling ring v0.9.7 [INFO] [stderr] Checking hyper-native-tls v0.2.4 [INFO] [stderr] Checking reqwest v0.4.0 [INFO] [stderr] Checking rusoto_credential v0.7.0 [INFO] [stderr] Checking rusoto_s3 v0.26.0 [INFO] [stderr] Checking tiger v0.0.1 (/opt/crater/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 00s [INFO] running `"docker" "inspect" "81794688fc780144a4268deeabd34f5480ca40842b65de679fde03de832d0d4f"` [INFO] running `"docker" "rm" "-f" "81794688fc780144a4268deeabd34f5480ca40842b65de679fde03de832d0d4f"` [INFO] [stdout] 81794688fc780144a4268deeabd34f5480ca40842b65de679fde03de832d0d4f