[INFO] fetching crate splits_iter 1.1.0...
[INFO] testing splits_iter-1.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate splits_iter 1.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate splits_iter 1.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate splits_iter 1.1.0
[INFO] finished tweaking crates.io crate splits_iter 1.1.0
[INFO] tweaked toml for crates.io crate splits_iter 1.1.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b8f305688c130bafd303caec4629d2403e7c674608ea80dcb417e7f734362d07
[INFO] running `Command { std: "docker" "start" "-a" "b8f305688c130bafd303caec4629d2403e7c674608ea80dcb417e7f734362d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8f305688c130bafd303caec4629d2403e7c674608ea80dcb417e7f734362d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8f305688c130bafd303caec4629d2403e7c674608ea80dcb417e7f734362d07", kill_on_drop: false }`
[INFO] [stdout] b8f305688c130bafd303caec4629d2403e7c674608ea80dcb417e7f734362d07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 32f585e64529b97fa8415ca21d9a4d79a9a44bdc278acfa2e329ab9991b05da2
[INFO] running `Command { std: "docker" "start" "-a" "32f585e64529b97fa8415ca21d9a4d79a9a44bdc278acfa2e329ab9991b05da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling splits_iter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "32f585e64529b97fa8415ca21d9a4d79a9a44bdc278acfa2e329ab9991b05da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f585e64529b97fa8415ca21d9a4d79a9a44bdc278acfa2e329ab9991b05da2", kill_on_drop: false }`
[INFO] [stdout] 32f585e64529b97fa8415ca21d9a4d79a9a44bdc278acfa2e329ab9991b05da2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b6702918b2ca766f19b6cf862ce909fc405c6ce4de37c18f50e40c30ebc99396
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6702918b2ca766f19b6cf862ce909fc405c6ce4de37c18f50e40c30ebc99396", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling splits_iter v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:29:35
[INFO] [stdout]    |
[INFO] [stdout] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:30:33
[INFO] [stdout]    |
[INFO] [stdout] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:69:22
[INFO] [stdout]    |
[INFO] [stdout] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:91:33
[INFO] [stdout]    |
[INFO] [stdout] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout]   --> src/lib.rs:93:35
[INFO] [stdout]    |
[INFO] [stdout] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.40s
[INFO] running `Command { std: "docker" "inspect" "b6702918b2ca766f19b6cf862ce909fc405c6ce4de37c18f50e40c30ebc99396", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6702918b2ca766f19b6cf862ce909fc405c6ce4de37c18f50e40c30ebc99396", kill_on_drop: false }`
[INFO] [stdout] b6702918b2ca766f19b6cf862ce909fc405c6ce4de37c18f50e40c30ebc99396
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fdf51822af64575015523ac715dcd5e5c9aca3f82461fd9411a74399bd64b85d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fdf51822af64575015523ac715dcd5e5c9aca3f82461fd9411a74399bd64b85d", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stdout] running 17 tests
[INFO] [stderr]   --> src/lib.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:93:35
[INFO] [stderr]    |
[INFO] [stderr] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:29:35
[INFO] [stderr]    |
[INFO] [stderr] 29 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + head_len)};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:30:33
[INFO] [stderr]    |
[INFO] [stderr] 30 |             self.end   = unsafe{self.end.slice_unchecked(head_len,self.end.len())};
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:69:22
[INFO] [stderr]    |
[INFO] [stderr] 69 |             begin: unsafe{str.slice_unchecked(0,0)},
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:91:33
[INFO] [stderr]    |
[INFO] [stderr] 91 |             self.end   = unsafe{self.end.slice_unchecked(c_len,self.end.len())};
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `core::str::<impl str>::slice_unchecked`: use `get_unchecked(begin..end)` instead
[INFO] [stderr]   --> src/lib.rs:93:35
[INFO] [stderr]    |
[INFO] [stderr] 93 |             self.begin = unsafe{self.begin.slice_unchecked(0,self.begin.len() + c_len)};
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/splits_iter-14c4dbdad2287c2e
[INFO] [stdout] test test::FocusedSplits_slice ... ok
[INFO] [stdout] test test::FocusedSplits_slice_empty ... ok
[INFO] [stdout] test test::FocusedSplits_slice_single ... ok
[INFO] [stdout] test test::Splits_str_single ... ok
[INFO] [stdout] test test::Splits_str_empty ... ok
[INFO] [stdout] test test::Splits_slice_empty ... ok
[INFO] [stdout] test test::Splits_str ... ok
[INFO] [stdout] test test::Splits_units ... ok
[INFO] [stdout] test test::Splits_slice ... ok
[INFO] [stdout] test test::FocusedSplits_str_two ... ok
[INFO] [stdout] test test::FocusedSplits_slice_three ... ok
[INFO] [stdout] test test::FocusedSplits_str_three ... ok
[INFO] [stdout] test test::FocusedSplits_str_single ... ok
[INFO] [stdout] test test::FocusedSplits_slice_two ... ok
[INFO] [stdout] test test::FocusedSplits_str_empty ... ok
[INFO] [stdout] test test::FocusedSplits_str ... ok
[INFO] [stdout] test test::Splits_slice_single ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests splits_iter
[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 `Command { std: "docker" "inspect" "fdf51822af64575015523ac715dcd5e5c9aca3f82461fd9411a74399bd64b85d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdf51822af64575015523ac715dcd5e5c9aca3f82461fd9411a74399bd64b85d", kill_on_drop: false }`
[INFO] [stdout] fdf51822af64575015523ac715dcd5e5c9aca3f82461fd9411a74399bd64b85d