[INFO] updating cached repository mfenniak/cloud-persistent-storage
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mfenniak/cloud-persistent-storage
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mfenniak/cloud-persistent-storage" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mfenniak/cloud-persistent-storage"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mfenniak/cloud-persistent-storage'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mfenniak/cloud-persistent-storage" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mfenniak/cloud-persistent-storage"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mfenniak/cloud-persistent-storage'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9c577e64c10bbc1f825ef2a84ff2aa1205283258
[INFO] sha for GitHub repo mfenniak/cloud-persistent-storage: 9c577e64c10bbc1f825ef2a84ff2aa1205283258
[INFO] validating manifest of mfenniak/cloud-persistent-storage on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mfenniak/cloud-persistent-storage on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mfenniak/cloud-persistent-storage
[INFO] finished frobbing mfenniak/cloud-persistent-storage
[INFO] frobbed toml for mfenniak/cloud-persistent-storage written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mfenniak/cloud-persistent-storage/Cargo.toml
[INFO] started frobbing mfenniak/cloud-persistent-storage
[INFO] finished frobbing mfenniak/cloud-persistent-storage
[INFO] frobbed toml for mfenniak/cloud-persistent-storage written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/mfenniak/cloud-persistent-storage/Cargo.toml
[INFO] crate mfenniak/cloud-persistent-storage already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mfenniak/cloud-persistent-storage against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-4/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/mfenniak/cloud-persistent-storage:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 18ad8aec14dc1af5054b79bec504a7fda0982a8c498c5ca139f8d8300539c69e
[INFO] running `"docker" "start" "-a" "18ad8aec14dc1af5054b79bec504a7fda0982a8c498c5ca139f8d8300539c69e"`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling gcc v0.3.45
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling log v0.3.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling openssl v0.9.9
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling serde v0.9.11
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]     Checking lazy_static v0.2.4
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling rustc-serialize v0.3.23
[INFO] [stderr]     Checking foreign-types v0.2.0
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking itoa v0.1.1
[INFO] [stderr]     Checking dtoa v0.2.2
[INFO] [stderr]     Checking serde v0.8.23
[INFO] [stderr]    Compiling ring v0.6.3
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking untrusted v0.3.2
[INFO] [stderr]     Checking md5 v0.3.3
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking getopts v0.2.14
[INFO] [stderr]    Compiling unicode-bidi v0.2.5
[INFO] [stderr] warning[E0503]: cannot use `state` because it was mutably borrowed
[INFO] [stderr]     --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/getopts-0.2.14/src/lib.rs:1008:33
[INFO] [stderr]      |
[INFO] [stderr] 955  |     let mut machine = |cont: &mut bool, (i, c): (usize, char)| {
[INFO] [stderr]      |                       ---------------------------------------- borrow of `state` occurs here
[INFO] [stderr] ...
[INFO] [stderr] 959  |         state = match (state, whitespace, limit) {
[INFO] [stderr]      |                        ----- borrow occurs due to use of `state` in closure
[INFO] [stderr] ...
[INFO] [stderr] 1008 |     while cont && match state { B | C => true, A => false } {
[INFO] [stderr]      |                                 ^ use of borrowed `state`
[INFO] [stderr] 1009 |         machine(&mut cont, (fake_i, ' '));
[INFO] [stderr]      |         ------- borrow later used here
[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]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling mime v0.2.3
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.3.0
[INFO] [stderr]     Checking num-integer v0.1.33
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling openssl-sys v0.9.9
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]    Compiling unicase v1.4.0
[INFO] [stderr]    Compiling hyper v0.10.5
[INFO] [stderr]     Checking idna v0.1.0
[INFO] [stderr]    Compiling syn v0.11.9
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling aho-corasick v0.6.3
[INFO] [stderr]     Checking serde_json v0.8.6
[INFO] [stderr]    Compiling deque v0.3.1
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]    Compiling serde_json v0.9.9
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]     Checking url v1.4.0
[INFO] [stderr]     Checking num v0.1.37
[INFO] [stderr]    Compiling rayon v0.6.0
[INFO] [stderr]     Checking serde_yaml v0.6.2
[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-1.4.0/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 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_urlencoded v0.3.0
[INFO] [stderr]    Compiling Inflector v0.7.0
[INFO] [stderr]     Checking env_logger v0.4.2
[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 aws_instance_metadata v0.1.1
[INFO] [stderr]     Checking cloud-persistent-storage v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:97:32
[INFO] [stderr]    |
[INFO] [stderr] 97 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 51s
[INFO] running `"docker" "inspect" "18ad8aec14dc1af5054b79bec504a7fda0982a8c498c5ca139f8d8300539c69e"`
[INFO] running `"docker" "rm" "-f" "18ad8aec14dc1af5054b79bec504a7fda0982a8c498c5ca139f8d8300539c69e"`
[INFO] [stdout] 18ad8aec14dc1af5054b79bec504a7fda0982a8c498c5ca139f8d8300539c69e