[INFO] updating cached repository saik0/rust_boggle_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/saik0/rust_boggle_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/saik0/rust_boggle_solver" "work/ex/beta-1.37-6/sources/1.36.0/gh/saik0/rust_boggle_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/saik0/rust_boggle_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/saik0/rust_boggle_solver" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saik0/rust_boggle_solver"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saik0/rust_boggle_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5d4602cdfe585c83c836f045adc675e23f9a6e37
[INFO] sha for GitHub repo saik0/rust_boggle_solver: 5d4602cdfe585c83c836f045adc675e23f9a6e37
[INFO] validating manifest of saik0/rust_boggle_solver 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 saik0/rust_boggle_solver 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 saik0/rust_boggle_solver
[INFO] finished frobbing saik0/rust_boggle_solver
[INFO] frobbed toml for saik0/rust_boggle_solver written to work/ex/beta-1.37-6/sources/1.36.0/gh/saik0/rust_boggle_solver/Cargo.toml
[INFO] started frobbing saik0/rust_boggle_solver
[INFO] finished frobbing saik0/rust_boggle_solver
[INFO] frobbed toml for saik0/rust_boggle_solver written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/saik0/rust_boggle_solver/Cargo.toml
[INFO] crate saik0/rust_boggle_solver 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 saik0/rust_boggle_solver 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-1/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/saik0/rust_boggle_solver:/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] aeabadfc0d7b03018fc19c3df0c4016bee152774fe9e87934b18e3ecbbfbac0c
[INFO] running `"docker" "start" "-a" "aeabadfc0d7b03018fc19c3df0c4016bee152774fe9e87934b18e3ecbbfbac0c"`
[INFO] [stderr]    Compiling rust_boggle_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/boggle_util.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         'a' ... 'z' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/boggle_util.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         'A' ... 'Z' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boggle/mod.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn any(&self, v: u8) -> 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boggle/mod.rs:39:49
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn neighbors(&self, i: usize, v: u8) -> Box<Iterator<Item=usize>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=usize>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `"docker" "inspect" "aeabadfc0d7b03018fc19c3df0c4016bee152774fe9e87934b18e3ecbbfbac0c"`
[INFO] running `"docker" "rm" "-f" "aeabadfc0d7b03018fc19c3df0c4016bee152774fe9e87934b18e3ecbbfbac0c"`
[INFO] [stdout] aeabadfc0d7b03018fc19c3df0c4016bee152774fe9e87934b18e3ecbbfbac0c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/saik0/rust_boggle_solver:/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] 55884f073f29d21e253a20e38df96dd98b13c8c0ae750bdb03970e417a5a5190
[INFO] running `"docker" "start" "-a" "55884f073f29d21e253a20e38df96dd98b13c8c0ae750bdb03970e417a5a5190"`
[INFO] [stderr]    Compiling rust_boggle_solver v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/boggle_util.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |         'a' ... 'z' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(ellipsis_inclusive_range_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> src/boggle_util.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         'A' ... 'Z' => true,
[INFO] [stderr]    |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boggle/mod.rs:38:33
[INFO] [stderr]    |
[INFO] [stderr] 38 |     fn any(&self, v: u8) -> 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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/boggle/mod.rs:39:49
[INFO] [stderr]    |
[INFO] [stderr] 39 |     fn neighbors(&self, i: usize, v: u8) -> Box<Iterator<Item=usize>>;
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item=usize>`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `"docker" "inspect" "55884f073f29d21e253a20e38df96dd98b13c8c0ae750bdb03970e417a5a5190"`
[INFO] running `"docker" "rm" "-f" "55884f073f29d21e253a20e38df96dd98b13c8c0ae750bdb03970e417a5a5190"`
[INFO] [stdout] 55884f073f29d21e253a20e38df96dd98b13c8c0ae750bdb03970e417a5a5190
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/saik0/rust_boggle_solver:/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] 453f0c8389127bb7d5354c95d9a70f516927721800208f30bc08f69e25183236
[INFO] running `"docker" "start" "-a" "453f0c8389127bb7d5354c95d9a70f516927721800208f30bc08f69e25183236"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_boggle_solver-784cec06e695bed8
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test bitset::bitset::test::can_iter_indices ... ok
[INFO] [stdout] test bitset::bitset::test::can_add ... ok
[INFO] [stdout] test bitset::bitset::test::can_remove ... ok
[INFO] [stdout] test trie::test::invalid_words_are_not_inserted ... ok
[INFO] [stdout] test bitset::bitset_32::test::format_is_correct ... ok
[INFO] [stdout] test bitset::bitset_32::test::cardinality_is_correct ... ok
[INFO] [stdout] test bitset::bitset_32::test::can_iter_ones ... ok
[INFO] [stdout] test bitset::bitset_32::test::can_iter ... ok
[INFO] [stdout] test bitset::bitset_32::test::can_add ... ok
[INFO] [stdout] test trie::test::is_case_insensitive ... ok
[INFO] [stdout] test trie::test::valid_words_are_inserted ... ok
[INFO] [stdout] test bitset::bitset_32::test::can_remove ... ok
[INFO] [stdout] test bitset::bitset::test::len_is_correct ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "453f0c8389127bb7d5354c95d9a70f516927721800208f30bc08f69e25183236"`
[INFO] running `"docker" "rm" "-f" "453f0c8389127bb7d5354c95d9a70f516927721800208f30bc08f69e25183236"`
[INFO] [stdout] 453f0c8389127bb7d5354c95d9a70f516927721800208f30bc08f69e25183236