[INFO] updating cached repository rthoward/pears
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rthoward/pears
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rthoward/pears" "work/ex/beta-1.38-1/sources/1.37.0/gh/rthoward/pears"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rthoward/pears'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rthoward/pears" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rthoward/pears"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rthoward/pears'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 91144ec90bf9a38a483200ce31669619a8af7096
[INFO] sha for GitHub repo rthoward/pears: 91144ec90bf9a38a483200ce31669619a8af7096
[INFO] validating manifest of rthoward/pears 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 rthoward/pears 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 rthoward/pears
[INFO] finished frobbing rthoward/pears
[INFO] frobbed toml for rthoward/pears written to work/ex/beta-1.38-1/sources/1.37.0/gh/rthoward/pears/Cargo.toml
[INFO] started frobbing rthoward/pears
[INFO] finished frobbing rthoward/pears
[INFO] frobbed toml for rthoward/pears written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rthoward/pears/Cargo.toml
[INFO] crate rthoward/pears 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 rthoward/pears 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rthoward/pears:/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] c79d8ef5a534116c644db1ba590fe087e692ad70cfdb4e50bdb5bdf237d438f5
[INFO] running `"docker" "start" "-a" "c79d8ef5a534116c644db1ba590fe087e692ad70cfdb4e50bdb5bdf237d438f5"`
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling shellexpand v1.0.0
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling bytes v0.4.8
[INFO] [stderr]    Compiling crossbeam-utils v0.3.2
[INFO] [stderr]    Compiling log v0.4.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling encoding_rs v0.8.8
[INFO] [stderr]    Compiling aho-corasick v0.6.8
[INFO] [stderr]    Compiling lock_api v0.1.3
[INFO] [stderr]    Compiling uuid v0.7.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling parking_lot_core v0.2.14
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling regex v0.2.11
[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-1.7.0/src/form_urlencoded.rs:261:40
[INFO] [stderr]     |
[INFO] [stderr] 259 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 260 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 261 |     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 regex v1.0.5
[INFO] [stderr]    Compiling mio v0.6.14
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling libflate v0.1.18
[INFO] [stderr]    Compiling crossbeam-deque v0.3.1
[INFO] [stderr]    Compiling parking_lot v0.6.3
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling libz-sys v1.0.23
[INFO] [stderr]    Compiling curl-sys v0.4.12
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]    Compiling phf_generator v0.7.22
[INFO] [stderr]    Compiling tokio-executor v0.1.2
[INFO] [stderr]    Compiling tokio-io v0.1.7
[INFO] [stderr]    Compiling want v0.0.6
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling phf_codegen v0.7.22
[INFO] [stderr]    Compiling console v0.6.1
[INFO] [stderr]    Compiling tokio-threadpool v0.1.4
[INFO] [stderr]    Compiling tokio-timer v0.2.4
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.2
[INFO] [stderr]    Compiling tokio-codec v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.12
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]    Compiling serde_json v1.0.21
[INFO] [stderr]    Compiling serde_urlencoded v0.5.2
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling tokio-fs v0.1.1
[INFO] [stderr]    Compiling tokio-udp v0.1.1
[INFO] [stderr]    Compiling tokio-tcp v0.1.0
[INFO] [stderr]    Compiling tokio v0.1.7
[INFO] [stderr]    Compiling hyper v0.12.11
[INFO] [stderr]    Compiling hyper-tls v0.3.0
[INFO] [stderr]    Compiling reqwest v0.9.2
[INFO] [stderr]    Compiling git2 v0.7.5
[INFO] [stderr]    Compiling pears v1.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/github.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 |     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 3m 26s
[INFO] running `"docker" "inspect" "c79d8ef5a534116c644db1ba590fe087e692ad70cfdb4e50bdb5bdf237d438f5"`
[INFO] running `"docker" "rm" "-f" "c79d8ef5a534116c644db1ba590fe087e692ad70cfdb4e50bdb5bdf237d438f5"`
[INFO] [stdout] c79d8ef5a534116c644db1ba590fe087e692ad70cfdb4e50bdb5bdf237d438f5
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/rthoward/pears:/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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7a8937dfed7813fde573392190160974a090331423d3c13c8962823ba912b671
[INFO] running `"docker" "start" "-a" "7a8937dfed7813fde573392190160974a090331423d3c13c8962823ba912b671"`
[INFO] [stderr]    Compiling pears v1.2.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/github.rs:20:32
[INFO] [stderr]    |
[INFO] [stderr] 20 |     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] error[E0063]: missing field `groups` in initializer of `types::Config`
[INFO] [stderr]    --> src/github.rs:508:22
[INFO] [stderr]     |
[INFO] [stderr] 508 |         let config = Config {
[INFO] [stderr]     |                      ^^^^^^ missing `groups`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0063`.
[INFO] [stderr] error: Could not compile `pears`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "7a8937dfed7813fde573392190160974a090331423d3c13c8962823ba912b671"`
[INFO] running `"docker" "rm" "-f" "7a8937dfed7813fde573392190160974a090331423d3c13c8962823ba912b671"`
[INFO] [stdout] 7a8937dfed7813fde573392190160974a090331423d3c13c8962823ba912b671