[INFO] updating cached repository iammer/combine_k
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/iammer/combine_k
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/iammer/combine_k" "work/ex/beta-1.37-6/sources/1.36.0/gh/iammer/combine_k"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/iammer/combine_k'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iammer/combine_k" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iammer/combine_k"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iammer/combine_k'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f16ebeb319882f88ca78bdd791b55aa296399c3d
[INFO] sha for GitHub repo iammer/combine_k: f16ebeb319882f88ca78bdd791b55aa296399c3d
[INFO] validating manifest of iammer/combine_k on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iammer/combine_k on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iammer/combine_k
[INFO] finished frobbing iammer/combine_k
[INFO] frobbed toml for iammer/combine_k written to work/ex/beta-1.37-6/sources/1.36.0/gh/iammer/combine_k/Cargo.toml
[INFO] started frobbing iammer/combine_k
[INFO] finished frobbing iammer/combine_k
[INFO] frobbed toml for iammer/combine_k written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iammer/combine_k/Cargo.toml
[INFO] crate iammer/combine_k already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iammer/combine_k against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iammer/combine_k:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] bad462e399d55ffa5081468965e5e1eac89fdee894674cf3472356289b0f432a
[INFO] running `"docker" "start" "-a" "bad462e399d55ffa5081468965e5e1eac89fdee894674cf3472356289b0f432a"`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]    Compiling combine_k v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board/mod.rs:188:41
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn scan_sequence(dir: Direction) -> Box<Iterator<Item=usize>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=usize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/board/mod.rs:190:18
[INFO] [stderr]     |
[INFO] [stderr] 190 |         Box::new((0..LENGTH))
[INFO] [stderr]     |                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `"docker" "inspect" "bad462e399d55ffa5081468965e5e1eac89fdee894674cf3472356289b0f432a"`
[INFO] running `"docker" "rm" "-f" "bad462e399d55ffa5081468965e5e1eac89fdee894674cf3472356289b0f432a"`
[INFO] [stdout] bad462e399d55ffa5081468965e5e1eac89fdee894674cf3472356289b0f432a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iammer/combine_k:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5c85ccc2b03245c9b621a07c9151b507307f603001bf2a862e5c1a9f3068f96a
[INFO] running `"docker" "start" "-a" "5c85ccc2b03245c9b621a07c9151b507307f603001bf2a862e5c1a9f3068f96a"`
[INFO] [stderr]    Compiling combine_k v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board/mod.rs:188:41
[INFO] [stderr]     |
[INFO] [stderr] 188 | fn scan_sequence(dir: Direction) -> Box<Iterator<Item=usize>> {
[INFO] [stderr]     |                                         ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=usize>`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/board/mod.rs:190:18
[INFO] [stderr]     |
[INFO] [stderr] 190 |         Box::new((0..LENGTH))
[INFO] [stderr]     |                  ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `"docker" "inspect" "5c85ccc2b03245c9b621a07c9151b507307f603001bf2a862e5c1a9f3068f96a"`
[INFO] running `"docker" "rm" "-f" "5c85ccc2b03245c9b621a07c9151b507307f603001bf2a862e5c1a9f3068f96a"`
[INFO] [stdout] 5c85ccc2b03245c9b621a07c9151b507307f603001bf2a862e5c1a9f3068f96a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/iammer/combine_k:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 33ddfa2254c849e84343b03246a83880bbc0ce88673faf9f9633c18724683b57
[INFO] running `"docker" "start" "-a" "33ddfa2254c849e84343b03246a83880bbc0ce88673faf9f9633c18724683b57"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/combine_k-2ea2306b133b13dc
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test board::tests::simple_merge ... ok
[INFO] [stdout] test board::tests::simple_move ... ok
[INFO] [stdout] test board::tests::other_direction ... ok
[INFO] [stdout] test board::tests::has_possible_moves ... ok
[INFO] [stdout] test board::tests::create_new ... ok
[INFO] [stdout] test board::tests::board_macro ... ok
[INFO] [stdout] test board::tests::tricky_merge ... ok
[INFO] [stdout] test board::tests::up_and_down ... ok
[INFO] [stdout] test board::tests::add_tile ... ok
[INFO] [stdout] test board::tests::tile_macro ... ok
[INFO] [stdout] test board::tests::can_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "33ddfa2254c849e84343b03246a83880bbc0ce88673faf9f9633c18724683b57"`
[INFO] running `"docker" "rm" "-f" "33ddfa2254c849e84343b03246a83880bbc0ce88673faf9f9633c18724683b57"`
[INFO] [stdout] 33ddfa2254c849e84343b03246a83880bbc0ce88673faf9f9633c18724683b57