[INFO] cloning repository ashfordneil/2048-rust
[INFO] running `"git" "clone" "--bare" "git://github.com/ashfordneil/2048-rust.git" "work/cache/sources/gh/ashfordneil/2048-rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/ashfordneil/2048-rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/2048-rust" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ashfordneil/2048-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ashfordneil/2048-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ashfordneil/2048-rust" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ashfordneil/2048-rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ashfordneil/2048-rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4346ff7de1ea7d8622510199de6e8d4992d3350f
[INFO] sha for GitHub repo ashfordneil/2048-rust: 4346ff7de1ea7d8622510199de6e8d4992d3350f
[INFO] validating manifest of ashfordneil/2048-rust on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ashfordneil/2048-rust on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ashfordneil/2048-rust
[INFO] finished frobbing ashfordneil/2048-rust
[INFO] frobbed toml for ashfordneil/2048-rust written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ashfordneil/2048-rust/Cargo.toml
[INFO] started frobbing ashfordneil/2048-rust
[INFO] finished frobbing ashfordneil/2048-rust
[INFO] frobbed toml for ashfordneil/2048-rust written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/ashfordneil/2048-rust/Cargo.toml
[INFO] crate ashfordneil/2048-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing ashfordneil/2048-rust against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ashfordneil/2048-rust:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 79780f3805304279b20a2a5d5e4f5c1ae8e5ec01b585e2b616e597ae8d7da1a3
[INFO] running `"docker" "start" "-a" "79780f3805304279b20a2a5d5e4f5c1ae8e5ec01b585e2b616e597ae8d7da1a3"`
[INFO] [stderr]    Compiling termion v1.1.4
[INFO] [stderr]    Compiling 2048 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/board.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |                       Digit(Some((((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr]    |  ________________________________^
[INFO] [stderr] 71 | |                                   2) as u8))));
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     Digit(Some(((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr] 71 |                                   2) as u8)));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:115:39
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn collapse<'a, I>(row: I) -> Box<Iterator<Item = Digit> + 'a>
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Digit> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `"docker" "inspect" "79780f3805304279b20a2a5d5e4f5c1ae8e5ec01b585e2b616e597ae8d7da1a3"`
[INFO] running `"docker" "rm" "-f" "79780f3805304279b20a2a5d5e4f5c1ae8e5ec01b585e2b616e597ae8d7da1a3"`
[INFO] [stdout] 79780f3805304279b20a2a5d5e4f5c1ae8e5ec01b585e2b616e597ae8d7da1a3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ashfordneil/2048-rust:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f875f61e03e25ddf6afcdb1464ed0e6d568de7ac41a49e8e73cfe71a83fc49e9
[INFO] running `"docker" "start" "-a" "f875f61e03e25ddf6afcdb1464ed0e6d568de7ac41a49e8e73cfe71a83fc49e9"`
[INFO] [stderr]    Compiling 2048 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/board.rs:70:32
[INFO] [stderr]    |
[INFO] [stderr] 70 |                       Digit(Some((((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr]    |  ________________________________^
[INFO] [stderr] 71 | |                                   2) as u8))));
[INFO] [stderr]    | |____________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 70 |                     Digit(Some(((index / BOARD_WIDTH as usize / BOARD_WIDTH as usize %
[INFO] [stderr] 71 |                                   2) as u8)));
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:115:39
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn collapse<'a, I>(row: I) -> Box<Iterator<Item = Digit> + 'a>
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = Digit> + 'a`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "f875f61e03e25ddf6afcdb1464ed0e6d568de7ac41a49e8e73cfe71a83fc49e9"`
[INFO] running `"docker" "rm" "-f" "f875f61e03e25ddf6afcdb1464ed0e6d568de7ac41a49e8e73cfe71a83fc49e9"`
[INFO] [stdout] f875f61e03e25ddf6afcdb1464ed0e6d568de7ac41a49e8e73cfe71a83fc49e9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-3/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/ashfordneil/2048-rust:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] ef9787f8df2b8450e3dd40833b473c90610894ee86ac0bfaf34459087e174d9d
[INFO] running `"docker" "start" "-a" "ef9787f8df2b8450e3dd40833b473c90610894ee86ac0bfaf34459087e174d9d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/2048-082adf062683c36b
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ef9787f8df2b8450e3dd40833b473c90610894ee86ac0bfaf34459087e174d9d"`
[INFO] running `"docker" "rm" "-f" "ef9787f8df2b8450e3dd40833b473c90610894ee86ac0bfaf34459087e174d9d"`
[INFO] [stdout] ef9787f8df2b8450e3dd40833b473c90610894ee86ac0bfaf34459087e174d9d