[INFO] updating cached repository alexcrichton/travis-build-stream
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/alexcrichton/travis-build-stream
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/travis-build-stream" "work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/travis-build-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/travis-build-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/alexcrichton/travis-build-stream" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/travis-build-stream"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/travis-build-stream'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3952c8a6c973d8b4bb76d54f01d43cae9c5118fd
[INFO] sha for GitHub repo alexcrichton/travis-build-stream: 3952c8a6c973d8b4bb76d54f01d43cae9c5118fd
[INFO] validating manifest of alexcrichton/travis-build-stream on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of alexcrichton/travis-build-stream on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing alexcrichton/travis-build-stream
[INFO] finished frobbing alexcrichton/travis-build-stream
[INFO] frobbed toml for alexcrichton/travis-build-stream written to work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/travis-build-stream/Cargo.toml
[INFO] started frobbing alexcrichton/travis-build-stream
[INFO] finished frobbing alexcrichton/travis-build-stream
[INFO] frobbed toml for alexcrichton/travis-build-stream written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/alexcrichton/travis-build-stream/Cargo.toml
[INFO] crate alexcrichton/travis-build-stream already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing alexcrichton/travis-build-stream against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/alexcrichton/travis-build-stream:/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 28b86763aaa14e4e4bf7356c54c12b30d71729242b98721cf1e254c8589e60ae
[INFO] running `"docker" "start" "-a" "28b86763aaa14e4e4bf7356c54c12b30d71729242b98721cf1e254c8589e60ae"`
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling matches v0.1.4
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling cfg-if v0.1.0
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.4
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling openssl-probe v0.1.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling serde v0.9.6
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling getopts v0.2.14
[INFO] [stderr]    Compiling futures v0.1.10
[INFO] [stderr]    Compiling env_logger v0.4.0
[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 net2 v0.2.26
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling num-integer v0.1.32
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling libz-sys v1.0.12
[INFO] [stderr]    Compiling cmake v0.1.20
[INFO] [stderr]    Compiling backtrace-sys v0.1.6
[INFO] [stderr]    Compiling curl-sys v0.3.8
[INFO] [stderr]    Compiling mio v0.6.4
[INFO] [stderr]    Compiling num-iter v0.1.32
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.5
[INFO] [stderr]    Compiling libgit2-sys v0.6.7
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]    Compiling num v0.1.36
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling url v1.4.0
[INFO] [stderr]    Compiling tokio-core v0.1.4
[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]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling serde_json v0.9.5
[INFO] [stderr]    Compiling serde_derive v0.9.6
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]    Compiling error-chain v0.5.0
[INFO] [stderr]    Compiling curl v0.4.5
[INFO] [stderr]    Compiling tokio-curl v0.1.9 (https://github.com/tokio-rs/tokio-curl#92430baa)
[INFO] [stderr]    Compiling git2 v0.6.4
[INFO] [stderr]    Compiling explorer v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:23:28
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub type MyFuture<T> = Box<Future<Item=T, Error=MyError>>;
[INFO] [stderr]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=T, Error=MyError>`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:25:30
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub fn b<'a, F>(f: F) -> Box<Future<Item = F::Item, Error = MyError> + 'a>
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item = F::Item, Error = MyError> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/errors.rs:31:31
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub fn bs<'a, F>(f: F) -> Box<Stream<Item = F::Item, Error = MyError> + 'a>
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Stream<Item = F::Item, Error = MyError> + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / error_chain! {
[INFO] [stderr] 10 | |     types {
[INFO] [stderr] 11 | |         MyError, MyErrorKind, MyChainErr, MyResult;
[INFO] [stderr] 12 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:9:1
[INFO] [stderr]    |
[INFO] [stderr] 9  | / error_chain! {
[INFO] [stderr] 10 | |     types {
[INFO] [stderr] 11 | |         MyError, MyErrorKind, MyChainErr, MyResult;
[INFO] [stderr] 12 | |     }
[INFO] [stderr] ...  |
[INFO] [stderr] 20 | |     }
[INFO] [stderr] 21 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DateTime`, `UTC`
[INFO] [stderr]   --> src/bin/builds-over-time.rs:14:14
[INFO] [stderr]    |
[INFO] [stderr] 14 | use chrono::{DateTime, UTC};
[INFO] [stderr]    |              ^^^^^^^^  ^^^
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/successful-travis-times.rs:117:17
[INFO] [stderr]     |
[INFO] [stderr] 117 |             'a' ... 'z' |
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/successful-travis-times.rs:118:17
[INFO] [stderr]     |
[INFO] [stderr] 118 |             'A' ... 'Z' |
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/bin/successful-travis-times.rs:119:17
[INFO] [stderr]     |
[INFO] [stderr] 119 |             '0' ... '9' => c,
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/retries.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/bin/retries.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0061]: this function takes 3 parameters but 2 parameters were supplied
[INFO] [stderr]   --> src/bin/retries.rs:32:18
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let travis = TravisBuilds::new(session.clone(), travis_token.clone());
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 3 parameters
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `all_repos`
[INFO] [stderr]    --> src/bin/builds-over-time.rs:127:9
[INFO] [stderr]     |
[INFO] [stderr] 127 |     let all_repos = all_repos.borrow();
[INFO] [stderr]     |         ^^^^^^^^^ help: consider prefixing with an underscore: `_all_repos`
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0061`.
[INFO] [stderr] error: Could not compile `explorer`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/bin/builds-over-time.rs:126:9
[INFO] [stderr]     |
[INFO] [stderr] 126 |     let mut data = data.borrow_mut();
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "28b86763aaa14e4e4bf7356c54c12b30d71729242b98721cf1e254c8589e60ae"`
[INFO] running `"docker" "rm" "-f" "28b86763aaa14e4e4bf7356c54c12b30d71729242b98721cf1e254c8589e60ae"`
[INFO] [stdout] 28b86763aaa14e4e4bf7356c54c12b30d71729242b98721cf1e254c8589e60ae