[INFO] updating cached repository cesare/rust-sqs-experiments
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cesare/rust-sqs-experiments
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust-sqs-experiments" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cesare/rust-sqs-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cesare/rust-sqs-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cesare/rust-sqs-experiments" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cesare/rust-sqs-experiments"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cesare/rust-sqs-experiments'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aec76a1fe4307d722cac688756607130e0f68668
[INFO] sha for GitHub repo cesare/rust-sqs-experiments: aec76a1fe4307d722cac688756607130e0f68668
[INFO] validating manifest of cesare/rust-sqs-experiments on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cesare/rust-sqs-experiments on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cesare/rust-sqs-experiments
[INFO] finished frobbing cesare/rust-sqs-experiments
[INFO] frobbed toml for cesare/rust-sqs-experiments written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/cesare/rust-sqs-experiments/Cargo.toml
[INFO] started frobbing cesare/rust-sqs-experiments
[INFO] finished frobbing cesare/rust-sqs-experiments
[INFO] frobbed toml for cesare/rust-sqs-experiments written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cesare/rust-sqs-experiments/Cargo.toml
[INFO] crate cesare/rust-sqs-experiments already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] checking cesare/rust-sqs-experiments against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-2/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/cesare/rust-sqs-experiments:/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" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0fa9f0bded29d8864cb69d9cf1ecc27a6e18a8b8f9ae443592b9a00baabf1306
[INFO] running `"docker" "start" "-a" "0fa9f0bded29d8864cb69d9cf1ecc27a6e18a8b8f9ae443592b9a00baabf1306"`
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.9
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling lazy_static v0.2.4
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking serde v0.9.11
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling openssl-sys v0.9.9
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]     Checking unicode-bidi v0.2.5
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.1
[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-1.4.0/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 serde_json v0.9.9
[INFO] [stderr]    Compiling Inflector v0.7.0
[INFO] [stderr]     Checking serde_urlencoded v0.3.0
[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-1.4.0/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 docopt v0.7.0
[INFO] [stderr]    Compiling serde_derive v0.9.11
[INFO] [stderr]     Checking native-tls v0.1.1
[INFO] [stderr]     Checking reqwest v0.3.0
[INFO] [stderr]     Checking hyper-native-tls v0.2.2
[INFO] [stderr]     Checking rusoto_credential v0.5.0
[INFO] [stderr]    Compiling rusoto_codegen v0.7.1
[INFO] [stderr]    Compiling rusoto v0.23.1
[INFO] [stderr]     Checking sqs_experiment v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 51s
[INFO] running `"docker" "inspect" "0fa9f0bded29d8864cb69d9cf1ecc27a6e18a8b8f9ae443592b9a00baabf1306"`
[INFO] running `"docker" "rm" "-f" "0fa9f0bded29d8864cb69d9cf1ecc27a6e18a8b8f9ae443592b9a00baabf1306"`
[INFO] [stdout] 0fa9f0bded29d8864cb69d9cf1ecc27a6e18a8b8f9ae443592b9a00baabf1306