[INFO] fetching crate strcursor 0.2.5...
[INFO] testing strcursor-0.2.5 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate strcursor 0.2.5 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate strcursor 0.2.5 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate strcursor 0.2.5
[INFO] finished tweaking crates.io crate strcursor 0.2.5
[INFO] tweaked toml for crates.io crate strcursor 0.2.5 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6b478b8d1d4af919f079cb93da47633df81f86b11727f17a8be7c07d584ceee1
[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" "6b478b8d1d4af919f079cb93da47633df81f86b11727f17a8be7c07d584ceee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6b478b8d1d4af919f079cb93da47633df81f86b11727f17a8be7c07d584ceee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b478b8d1d4af919f079cb93da47633df81f86b11727f17a8be7c07d584ceee1", kill_on_drop: false }`
[INFO] [stdout] 6b478b8d1d4af919f079cb93da47633df81f86b11727f17a8be7c07d584ceee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d57f2f4bc48fe8f16bf951897836ae9cc5900ce8fc05d57fc4213f4bbacc82
[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" "18d57f2f4bc48fe8f16bf951897836ae9cc5900ce8fc05d57fc4213f4bbacc82", kill_on_drop: false }`
[INFO] [stderr]    Compiling strcursor v0.2.5 (/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:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stdout]   --> src/util.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this code causes undefined behavior when executed
[INFO] [stdout]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: enums with no variants have no valid value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.84s
[INFO] running `Command { std: "docker" "inspect" "18d57f2f4bc48fe8f16bf951897836ae9cc5900ce8fc05d57fc4213f4bbacc82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d57f2f4bc48fe8f16bf951897836ae9cc5900ce8fc05d57fc4213f4bbacc82", kill_on_drop: false }`
[INFO] [stdout] 18d57f2f4bc48fe8f16bf951897836ae9cc5900ce8fc05d57fc4213f4bbacc82
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 222deaaad0b66ba7658784c54b415c94bea3a889a98ca7084514703d8a72bfe7
[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" "222deaaad0b66ba7658784c54b415c94bea3a889a98ca7084514703d8a72bfe7", kill_on_drop: false }`
[INFO] [stderr]    Compiling strcursor v0.2.5 (/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:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stdout]   --> src/util.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this code causes undefined behavior when executed
[INFO] [stdout]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: enums with no variants have no valid value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[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:404:20
[INFO] [stdout]     |
[INFO] [stdout] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stdout]     |
[INFO] [stdout] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stdout]     |
[INFO] [stdout] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stdout]     |
[INFO] [stdout] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stdout]   --> src/util.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             this code causes undefined behavior when executed
[INFO] [stdout]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout]    = note: enums with no variants have no valid value
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.97s
[INFO] running `Command { std: "docker" "inspect" "222deaaad0b66ba7658784c54b415c94bea3a889a98ca7084514703d8a72bfe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "222deaaad0b66ba7658784c54b415c94bea3a889a98ca7084514703d8a72bfe7", kill_on_drop: false }`
[INFO] [stdout] 222deaaad0b66ba7658784c54b415c94bea3a889a98ca7084514703d8a72bfe7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bce1c06c7d4e76182480845113e91469274d717e36ee88a0ef3ff160b54ab7e
[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" "2bce1c06c7d4e76182480845113e91469274d717e36ee88a0ef3ff160b54ab7e", kill_on_drop: false }`
[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:404:20
[INFO] [stderr]     |
[INFO] [stderr] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stderr]     |
[INFO] [stderr] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stderr]   --> src/util.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             this code causes undefined behavior when executed
[INFO] [stderr]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr]    = note: enums with no variants have no valid value
[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:404:20
[INFO] [stderr]     |
[INFO] [stderr] 404 |             self.s.slice_unchecked(0, self.byte_pos())
[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:414:20
[INFO] [stderr]     |
[INFO] [stderr] 414 |             self.s.slice_unchecked(self.byte_pos(), self.s.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/grapheme.rs:86:49
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Some((Gc::from_str_unchecked(gr), s.slice_unchecked(gr.len(), s.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/grapheme.rs:143:43
[INFO] [stderr]     |
[INFO] [stderr] 143 |             Gc::from_str_unchecked(self.0.slice_unchecked(base_len, self.0.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/grapheme.rs:156:20
[INFO] [stderr]     |
[INFO] [stderr] 156 |             self.0.slice_unchecked(base_len, self.0.len())
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `Knowledge` does not permit zero-initialization
[INFO] [stderr]   --> src/util.rs:21:13
[INFO] [stderr]    |
[INFO] [stderr] 21 |     nirvana(::std::mem::transmute(()))
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             this code causes undefined behavior when executed
[INFO] [stderr]    |             help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr]    = note: enums with no variants have no valid value
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/strcursor-55803e5b8737f748
[INFO] [stdout] 
[INFO] [stdout] running 32 tests
[INFO] [stdout] test test_new_at_start ... ok
[INFO] [stdout] test test_at_prev_cp ... ok
[INFO] [stdout] test test_new_at_cp_left_of_byte_pos ... ok
[INFO] [stdout] test test_next ... ok
[INFO] [stdout] test test_prev_cp ... ok
[INFO] [stdout] test test_new_at_right_of_byte_pos ... ok
[INFO] [stdout] test test_char_before_and_after ... ok
[INFO] [stdout] test grapheme::gc_tests::test_mark_str ... ok
[INFO] [stdout] test test_new_at_end ... ok
[INFO] [stdout] test grapheme::gc_tests::test_from_str ... ok
[INFO] [stdout] test test_seek_next_cp ... ok
[INFO] [stdout] test test_seek_next ... ok
[INFO] [stdout] test test_new_at_left_of_byte_pos ... ok
[INFO] [stdout] test test_prev ... ok
[INFO] [stdout] test test_at_prev_and_before ... ok
[INFO] [stdout] test test_seek_utf8_cp_start_left ... ok
[INFO] [stdout] test test_slice_between ... ok
[INFO] [stdout] test grapheme::gc_tests::test_has_marks ... ok
[INFO] [stdout] test test_seek_utf8_cp_start_right ... ok
[INFO] [stdout] test grapheme::gc_tests::test_base_char ... ok
[INFO] [stdout] test test_str_eq_literal ... ok
[INFO] [stdout] test test_seek_prev ... ok
[INFO] [stdout] test test_at_next_and_after ... ok
[INFO] [stdout] test test_seek_prev_cp ... ok
[INFO] [stdout] test test_next_cp ... ok
[INFO] [stdout] test test_new_at_cp_right_of_byte_pos ... ok
[INFO] [stdout] test test_at_next_cp ... ok
[INFO] [stdout] test grapheme::gc_tests::test_split_from ... ok
[INFO] [stdout] test test_seek_next_panic ... ok
[INFO] [stdout] test test_seek_next_cp_panic ... ok
[INFO] [stdout] test test_seek_prev_cp_panic ... ok
[INFO] [stdout] test test_seek_prev_panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 32 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests strcursor
[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" "2bce1c06c7d4e76182480845113e91469274d717e36ee88a0ef3ff160b54ab7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bce1c06c7d4e76182480845113e91469274d717e36ee88a0ef3ff160b54ab7e", kill_on_drop: false }`
[INFO] [stdout] 2bce1c06c7d4e76182480845113e91469274d717e36ee88a0ef3ff160b54ab7e
