[INFO] updating cached repository cpdean/iterator_compiler_error_rusqlite
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/cpdean/iterator_compiler_error_rusqlite
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/cpdean/iterator_compiler_error_rusqlite" "work/ex/beta-1.38-1/sources/1.37.0/gh/cpdean/iterator_compiler_error_rusqlite"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/cpdean/iterator_compiler_error_rusqlite'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/cpdean/iterator_compiler_error_rusqlite" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpdean/iterator_compiler_error_rusqlite"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpdean/iterator_compiler_error_rusqlite'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 66b5ee4654eda005d5bb0f269973a18f63c6d009
[INFO] sha for GitHub repo cpdean/iterator_compiler_error_rusqlite: 66b5ee4654eda005d5bb0f269973a18f63c6d009
[INFO] validating manifest of cpdean/iterator_compiler_error_rusqlite 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 cpdean/iterator_compiler_error_rusqlite 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 cpdean/iterator_compiler_error_rusqlite
[INFO] finished frobbing cpdean/iterator_compiler_error_rusqlite
[INFO] frobbed toml for cpdean/iterator_compiler_error_rusqlite written to work/ex/beta-1.38-1/sources/1.37.0/gh/cpdean/iterator_compiler_error_rusqlite/Cargo.toml
[INFO] started frobbing cpdean/iterator_compiler_error_rusqlite
[INFO] finished frobbing cpdean/iterator_compiler_error_rusqlite
[INFO] frobbed toml for cpdean/iterator_compiler_error_rusqlite written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpdean/iterator_compiler_error_rusqlite/Cargo.toml
[INFO] crate cpdean/iterator_compiler_error_rusqlite 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 cpdean/iterator_compiler_error_rusqlite against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/cpdean/iterator_compiler_error_rusqlite:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 3ddd5549762ae56dc88f02e18e952ba8e79ee875db6b1b4d9b6f6b27b55b91ec
[INFO] running `"docker" "start" "-a" "3ddd5549762ae56dc88f02e18e952ba8e79ee875db6b1b4d9b6f6b27b55b91ec"`
[INFO] [stderr]    Compiling libsqlite3-sys v0.15.0
[INFO] [stderr]    Compiling rusqlite v0.19.0
[INFO] [stderr]    Compiling iterators v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0599]: no method named `next` found for type `rusqlite::row::MappedRows<'_, F>` in the current scope
[INFO] [stderr]  --> src/main.rs:5:7
[INFO] [stderr]   |
[INFO] [stderr] 5 |     m.next().unwrap()
[INFO] [stderr]   |       ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: the method `next` exists but the following trait bounds were not satisfied:
[INFO] [stderr]           `rusqlite::row::MappedRows<'_, F> : std::iter::Iterator`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: Could not compile `iterators`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3ddd5549762ae56dc88f02e18e952ba8e79ee875db6b1b4d9b6f6b27b55b91ec"`
[INFO] running `"docker" "rm" "-f" "3ddd5549762ae56dc88f02e18e952ba8e79ee875db6b1b4d9b6f6b27b55b91ec"`
[INFO] [stdout] 3ddd5549762ae56dc88f02e18e952ba8e79ee875db6b1b4d9b6f6b27b55b91ec