[INFO] updating cached repository dgeene/statistics
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dgeene/statistics
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dgeene/statistics" "work/ex/beta-1.38-1/sources/1.37.0/gh/dgeene/statistics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dgeene/statistics'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dgeene/statistics" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dgeene/statistics"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dgeene/statistics'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 19d0ff86d4aa973f6ee7b7a5619f01b91c2aac07
[INFO] sha for GitHub repo dgeene/statistics: 19d0ff86d4aa973f6ee7b7a5619f01b91c2aac07
[INFO] validating manifest of dgeene/statistics 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 dgeene/statistics 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 dgeene/statistics
[INFO] finished frobbing dgeene/statistics
[INFO] frobbed toml for dgeene/statistics written to work/ex/beta-1.38-1/sources/1.37.0/gh/dgeene/statistics/Cargo.toml
[INFO] started frobbing dgeene/statistics
[INFO] finished frobbing dgeene/statistics
[INFO] frobbed toml for dgeene/statistics written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dgeene/statistics/Cargo.toml
[INFO] crate dgeene/statistics 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 dgeene/statistics 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-1/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/dgeene/statistics:/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] 521af2f3e237aa1b065c0cc6ebf6dc5c208d514fc653586c9aa37a1c0ce71158
[INFO] running `"docker" "start" "-a" "521af2f3e237aa1b065c0cc6ebf6dc5c208d514fc653586c9aa37a1c0ce71158"`
[INFO] [stderr]    Compiling statistics v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:29:18
[INFO] [stderr]    |
[INFO] [stderr] 29 |         if val < elem {
[INFO] [stderr]    |                  ^^^^
[INFO] [stderr]    |                  |
[INFO] [stderr]    |                  expected i32, found &i32
[INFO] [stderr]    |                  help: consider dereferencing the borrow: `*elem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `i32`
[INFO] [stderr]               found type `&i32`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/main.rs:30:19
[INFO] [stderr]    |
[INFO] [stderr] 30 |             val = elem;
[INFO] [stderr]    |                   ^^^^
[INFO] [stderr]    |                   |
[INFO] [stderr]    |                   expected i32, found &i32
[INFO] [stderr]    |                   help: consider dereferencing the borrow: `*elem`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `i32`
[INFO] [stderr]               found type `&i32`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: Could not compile `statistics`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "521af2f3e237aa1b065c0cc6ebf6dc5c208d514fc653586c9aa37a1c0ce71158"`
[INFO] running `"docker" "rm" "-f" "521af2f3e237aa1b065c0cc6ebf6dc5c208d514fc653586c9aa37a1c0ce71158"`
[INFO] [stdout] 521af2f3e237aa1b065c0cc6ebf6dc5c208d514fc653586c9aa37a1c0ce71158