[INFO] updating cached repository anderspitman/battle_beetles
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/anderspitman/battle_beetles
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/anderspitman/battle_beetles" "work/ex/beta-1.38-1/sources/1.37.0/gh/anderspitman/battle_beetles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/anderspitman/battle_beetles'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/anderspitman/battle_beetles" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anderspitman/battle_beetles"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anderspitman/battle_beetles'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5fffde7a06da39ed50e024cef6a45af07d995a0f
[INFO] sha for GitHub repo anderspitman/battle_beetles: 5fffde7a06da39ed50e024cef6a45af07d995a0f
[INFO] validating manifest of anderspitman/battle_beetles 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 anderspitman/battle_beetles 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 anderspitman/battle_beetles
[INFO] finished frobbing anderspitman/battle_beetles
[INFO] frobbed toml for anderspitman/battle_beetles written to work/ex/beta-1.38-1/sources/1.37.0/gh/anderspitman/battle_beetles/Cargo.toml
[INFO] started frobbing anderspitman/battle_beetles
[INFO] finished frobbing anderspitman/battle_beetles
[INFO] frobbed toml for anderspitman/battle_beetles written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/anderspitman/battle_beetles/Cargo.toml
[INFO] crate anderspitman/battle_beetles 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 anderspitman/battle_beetles 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-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/anderspitman/battle_beetles:/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] 673d4e0c3ab636d22109b4d896c440da8d2ad2e55ff56c19b1ffd12e79446878
[INFO] running `"docker" "start" "-a" "673d4e0c3ab636d22109b4d896c440da8d2ad2e55ff56c19b1ffd12e79446878"`
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.5
[INFO] [stderr]    Compiling scoped-tls v0.1.1
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling httparse v1.2.4
[INFO] [stderr]    Compiling chunked_transfer v0.3.1
[INFO] [stderr]    Compiling cgmath v0.16.0
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling protobuf v1.5.0
[INFO] [stderr]    Compiling openssl-sys v0.9.27
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling brotli-sys v0.2.1
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling base64 v0.6.0
[INFO] [stderr]    Compiling base64 v0.7.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling filetime v0.1.15
[INFO] [stderr]    Compiling idna v0.1.4
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling buf_redux v0.6.3
[INFO] [stderr]    Compiling twoway v0.1.8
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling remove_dir_all v0.3.0
[INFO] [stderr]    Compiling term v0.2.14
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling enum_primitive v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling chrono v0.4.1
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling openssl v0.9.24
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling tempdir v0.3.6
[INFO] [stderr]    Compiling url v1.7.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling gzip-header v0.1.2
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling uuid v0.1.18
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling tokio-core v0.1.12
[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 phf_codegen v0.7.21
[INFO] [stderr]    Compiling deflate v0.7.18
[INFO] [stderr]    Compiling url v0.2.38
[INFO] [stderr]    Compiling brotli2 v0.2.2
[INFO] [stderr]    Compiling mime_guess v1.8.4
[INFO] [stderr]    Compiling hyper v0.10.13
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]    Compiling tiny_http v0.5.9
[INFO] [stderr]    Compiling multipart v0.13.6
[INFO] [stderr]    Compiling native-tls v0.1.5
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling websocket v0.20.2
[INFO] [stderr]    Compiling serde_json v1.0.10
[INFO] [stderr]    Compiling rouille v2.1.0
[INFO] [stderr]    Compiling battle_beetles v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0583]: file not found for module `messages`
[INFO] [stderr]  --> src/gen/mod.rs:1:9
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub mod messages;
[INFO] [stderr]   |         ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: name the file either messages.rs or messages/mod.rs inside the directory "src/gen"
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0583`.
[INFO] [stderr] error: Could not compile `battle_beetles`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "673d4e0c3ab636d22109b4d896c440da8d2ad2e55ff56c19b1ffd12e79446878"`
[INFO] running `"docker" "rm" "-f" "673d4e0c3ab636d22109b4d896c440da8d2ad2e55ff56c19b1ffd12e79446878"`
[INFO] [stdout] 673d4e0c3ab636d22109b4d896c440da8d2ad2e55ff56c19b1ffd12e79446878