[INFO] crate jmap 0.0.5 is already in cache
[INFO] extracting crate jmap 0.0.5 into work/ex/beta-1.38-1/sources/1.37.0/reg/jmap/0.0.5
[INFO] extracting crate jmap 0.0.5 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jmap/0.0.5
[INFO] validating manifest of jmap-0.0.5 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 jmap-0.0.5 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 jmap-0.0.5
[INFO] finished frobbing jmap-0.0.5
[INFO] frobbed toml for jmap-0.0.5 written to work/ex/beta-1.38-1/sources/1.37.0/reg/jmap/0.0.5/Cargo.toml
[INFO] started frobbing jmap-0.0.5
[INFO] finished frobbing jmap-0.0.5
[INFO] frobbed toml for jmap-0.0.5 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/jmap/0.0.5/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 jmap-0.0.5 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/reg/jmap/0.0.5:/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] 4f233189b4ea73b632919f154d6c70cd00f65c70d735c6e2cad6acfe69601114
[INFO] running `"docker" "start" "-a" "4f233189b4ea73b632919f154d6c70cd00f65c70d735c6e2cad6acfe69601114"`
[INFO] [stderr]    Compiling jmap v0.0.5 (/opt/crater/workdir)
[INFO] [stderr] error[E0432]: unresolved import `chrono::UTC`
[INFO] [stderr]  --> src/types.rs:6:23
[INFO] [stderr]   |
[INFO] [stderr] 6 | use chrono::{DateTime,UTC,NaiveDateTime};
[INFO] [stderr]   |                       ^^^ no `UTC` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `new_v4` found for type `uuid::Uuid` in the current scope
[INFO] [stderr]   --> src/record.rs:21:11
[INFO] [stderr]    |
[INFO] [stderr] 21 |     Uuid::new_v4().to_hyphenated_string()
[INFO] [stderr]    |           ^^^^^^ function or associated item not found in `uuid::Uuid`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `format` found for type `&types::Date` in the current scope
[INFO] [stderr]   --> src/types.rs:38:27
[INFO] [stderr]    |
[INFO] [stderr] 38 |         Json::String(self.format("%Y-%m-%dT%H:%M:%SZ").to_string())
[INFO] [stderr]    |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `jmap`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "4f233189b4ea73b632919f154d6c70cd00f65c70d735c6e2cad6acfe69601114"`
[INFO] running `"docker" "rm" "-f" "4f233189b4ea73b632919f154d6c70cd00f65c70d735c6e2cad6acfe69601114"`
[INFO] [stdout] 4f233189b4ea73b632919f154d6c70cd00f65c70d735c6e2cad6acfe69601114