[INFO] cloning repository https://github.com/aoikonomopoulos/subdiff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/aoikonomopoulos/subdiff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fsubdiff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fsubdiff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9793cb6ac6dd0afb94b3fdc14a7eab73f7dcd2d4
[INFO] testing aoikonomopoulos/subdiff against master#0d162b25edd5bf0dba9a22e83b614f1113e90474 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fsubdiff" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/aoikonomopoulos/subdiff
[INFO] finished tweaking git repo https://github.com/aoikonomopoulos/subdiff
[INFO] tweaked toml for git repo https://github.com/aoikonomopoulos/subdiff written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aoikonomopoulos/subdiff on toolchain 0d162b25edd5bf0dba9a22e83b614f1113e90474
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/aoikonomopoulos/subdiff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded random v0.12.2
[INFO] [stderr]   Downloaded atty v0.2.10
[INFO] [stderr]   Downloaded lcs-diff v0.1.1
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded temporary v0.6.3
[INFO] [stderr]   Downloaded rayon v1.0.1
[INFO] [stderr]   Downloaded itertools v0.7.8
[INFO] [stderr]   Downloaded chrono v0.4.3
[INFO] [stderr]   Downloaded regex-syntax v0.6.1
[INFO] [stderr]   Downloaded clap v2.31.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 06d8bdef17ec4ce6fa11f1fff63deec16fb5da3063f5f27f3076abbe8f91b297
[INFO] running `Command { std: "docker" "start" "-a" "06d8bdef17ec4ce6fa11f1fff63deec16fb5da3063f5f27f3076abbe8f91b297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06d8bdef17ec4ce6fa11f1fff63deec16fb5da3063f5f27f3076abbe8f91b297", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06d8bdef17ec4ce6fa11f1fff63deec16fb5da3063f5f27f3076abbe8f91b297", kill_on_drop: false }`
[INFO] [stdout] 06d8bdef17ec4ce6fa11f1fff63deec16fb5da3063f5f27f3076abbe8f91b297
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b769074dacede5221d800afd6aa172e9c994e82175a9d9fe63fde5fad0b0e36
[INFO] running `Command { std: "docker" "start" "-a" "3b769074dacede5221d800afd6aa172e9c994e82175a9d9fe63fde5fad0b0e36", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling lcs-diff v0.1.1
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling chrono v0.4.3
[INFO] [stderr]    Compiling subdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/wdiff.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn do_write(&self, &Conf,
[INFO] [stdout]    |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Conf`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 &[Self::DiffItem], &[Self::DiffItem],
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Self::DiffItem]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 &[Self::DiffItem], &[Self::DiffItem],
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Self::DiffItem]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/main.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn sel(&self, &Conf, &[u8]) -> Option<Vec<u8>>;
[INFO] [stdout]     |                   ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Conf`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/main.rs:144:26
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn sel(&self, &Conf, &[u8]) -> Option<Vec<u8>>;
[INFO] [stdout]     |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:145:35
[INFO] [stdout]     |
[INFO] [stdout] 145 |                        out : &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                        out : &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:351:45
[INFO] [stdout]     |
[INFO] [stdout] 351 | ...                   ds : &mut Iterator<Item=DiffResult<T>>) {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 351 |                                   ds : &mut dyn Iterator<Item=DiffResult<T>>) {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:404:43
[INFO] [stdout]     |
[INFO] [stdout] 404 |                            dump_hunk : &mut FnMut(Option<&Hunk<T>>) ->
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 405 | |                          io::Result<()>,
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 404 |                          dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) ->
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:441:28
[INFO] [stdout]     |
[INFO] [stdout] 441 |           dump_hunk : &mut FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 441 |           dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:580:28
[INFO] [stdout]     |
[INFO] [stdout] 580 |           dump_hunk : &mut FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 580 |           dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:629:16
[INFO] [stdout]     |
[INFO] [stdout] 629 |     out : &mut Write,
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 629 |     out : &mut dyn Write,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:199:42
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn narrow_do_common<'a, I, T>(out : &mut Write,
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn narrow_do_common<'a, I, T>(out : &mut dyn Write,
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:234:47
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn narrow_do_differences<'a, T, I>(out : &mut Write,
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn narrow_do_differences<'a, T, I>(out : &mut dyn Write,
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:293:45
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn wide_do_differences<'a, T, I>(out : &mut Write,
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn wide_do_differences<'a, T, I>(out : &mut dyn Write,
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:335:40
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn wide_do_common<'a, T, I>(out : &mut Write,
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn wide_do_common<'a, T, I>(out : &mut dyn Write,
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:350:42
[INFO] [stdout]     |
[INFO] [stdout] 350 | ...                   out : &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 350 |                               out : &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:368:45
[INFO] [stdout]     |
[INFO] [stdout] 368 | ...                   out : &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 368 |                                  out : &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:252:48
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn build_re_selector<I, S>(re_strs : I) -> Box<ReSelector>
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn build_re_selector<I, S>(re_strs : I) -> Box<dyn ReSelector>
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:287:33
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn diff_files<'a, I>(out : &mut Write, conf : &Conf,
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn diff_files<'a, I>(out : &mut dyn Write, conf : &Conf,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hunked.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 &mut dyn Write) -> io::Result<()>;
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn write_to(&self, out : &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()>;
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:172:32
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn write(&self, out : &mut Write) -> io::Result<()>{
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn write(&self, out : &mut dyn Write) -> io::Result<()>{
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:165:28
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:179:29
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn write_off_len(out : &mut Write,
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn write_off_len(out : &mut dyn Write,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:197:33
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn write_hunk_header(out : &mut Write,
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn write_hunk_header(out : &mut dyn Write,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:255:35
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn output_context_line(out : &mut Write, conf : &Conf,
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn output_context_line(out : &mut dyn Write, conf : &Conf,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:292:28
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:64:27
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn file_header(out : &mut Write, prefix : &[u8], path : &Path) -> io::Result<()> {
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn file_header(out : &mut dyn Write, prefix : &[u8], path : &Path) -> io::Result<()> {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:274:43
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn extract_re_matches(conf : &Conf, re : &ReSelector,
[INFO] [stdout]     |                                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn extract_re_matches(conf : &Conf, re : &dyn ReSelector,
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:282:36
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn pick_lines(conf : &Conf, mre : &ReSelector, ignore_re : &Option<Regex>,
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn pick_lines(conf : &Conf, mre : &dyn ReSelector, ignore_re : &Option<Regex>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:310:27
[INFO] [stdout]     |
[INFO] [stdout] 310 |             let mre : Box<ReSelector> = re.map(build_re_selector)
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 310 |             let mre : Box<dyn ReSelector> = re.map(build_re_selector)
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hunked.rs:422:31
[INFO] [stdout]     |
[INFO] [stdout] 422 |         CollectingCommonsTail(mut hunk, _, _) => hunk,
[INFO] [stdout]     |                               ----^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.83s
[INFO] running `Command { std: "docker" "inspect" "3b769074dacede5221d800afd6aa172e9c994e82175a9d9fe63fde5fad0b0e36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b769074dacede5221d800afd6aa172e9c994e82175a9d9fe63fde5fad0b0e36", kill_on_drop: false }`
[INFO] [stdout] 3b769074dacede5221d800afd6aa172e9c994e82175a9d9fe63fde5fad0b0e36
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 99a4f05c1299846d6d1d60f19dfc9dfd07a2b1d1463e4b340a8bf2313ec84380
[INFO] running `Command { std: "docker" "start" "-a" "99a4f05c1299846d6d1d60f19dfc9dfd07a2b1d1463e4b340a8bf2313ec84380", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling temporary v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling subdiff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]   --> src/wdiff.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stdout]    |
[INFO] [stdout]    = note: no expected values for `feature`
[INFO] [stdout]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     fn do_write(&self, &Conf,
[INFO] [stdout]    |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Conf`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 &[Self::DiffItem], &[Self::DiffItem],
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Self::DiffItem]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |                 &[Self::DiffItem], &[Self::DiffItem],
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Self::DiffItem]`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/hunked.rs:16:17
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/main.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn sel(&self, &Conf, &[u8]) -> Option<Vec<u8>>;
[INFO] [stdout]     |                   ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Conf`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]    --> src/main.rs:144:26
[INFO] [stdout]     |
[INFO] [stdout] 144 |     fn sel(&self, &Conf, &[u8]) -> Option<Vec<u8>>;
[INFO] [stdout]     |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:145:35
[INFO] [stdout]     |
[INFO] [stdout] 145 |                        out : &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 |                        out : &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:351:45
[INFO] [stdout]     |
[INFO] [stdout] 351 | ...                   ds : &mut Iterator<Item=DiffResult<T>>) {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 351 |                                   ds : &mut dyn Iterator<Item=DiffResult<T>>) {
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:404:43
[INFO] [stdout]     |
[INFO] [stdout] 404 |                            dump_hunk : &mut FnMut(Option<&Hunk<T>>) ->
[INFO] [stdout]     |  ___________________________________________^
[INFO] [stdout] 405 | |                          io::Result<()>,
[INFO] [stdout]     | |_______________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 404 |                          dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) ->
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:441:28
[INFO] [stdout]     |
[INFO] [stdout] 441 |           dump_hunk : &mut FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 441 |           dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:580:28
[INFO] [stdout]     |
[INFO] [stdout] 580 |           dump_hunk : &mut FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 580 |           dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:629:16
[INFO] [stdout]     |
[INFO] [stdout] 629 |     out : &mut Write,
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 629 |     out : &mut dyn Write,
[INFO] [stdout]     |                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:199:42
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn narrow_do_common<'a, I, T>(out : &mut Write,
[INFO] [stdout]     |                                          ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 199 | fn narrow_do_common<'a, I, T>(out : &mut dyn Write,
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:234:47
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn narrow_do_differences<'a, T, I>(out : &mut Write,
[INFO] [stdout]     |                                               ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 234 | fn narrow_do_differences<'a, T, I>(out : &mut dyn Write,
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:293:45
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn wide_do_differences<'a, T, I>(out : &mut Write,
[INFO] [stdout]     |                                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 293 | fn wide_do_differences<'a, T, I>(out : &mut dyn Write,
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:335:40
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn wide_do_common<'a, T, I>(out : &mut Write,
[INFO] [stdout]     |                                        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 335 | fn wide_do_common<'a, T, I>(out : &mut dyn Write,
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:350:42
[INFO] [stdout]     |
[INFO] [stdout] 350 | ...                   out : &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 350 |                               out : &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:368:45
[INFO] [stdout]     |
[INFO] [stdout] 368 | ...                   out : &mut Write) -> io::Result<()>
[INFO] [stdout]     |                                  ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 368 |                                  out : &mut dyn Write) -> io::Result<()>
[INFO] [stdout]     |                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:252:48
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn build_re_selector<I, S>(re_strs : I) -> Box<ReSelector>
[INFO] [stdout]     |                                                ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 252 | fn build_re_selector<I, S>(re_strs : I) -> Box<dyn ReSelector>
[INFO] [stdout]     |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:287:33
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn diff_files<'a, I>(out : &mut Write, conf : &Conf,
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 287 | fn diff_files<'a, I>(out : &mut dyn Write, conf : &Conf,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/hunked.rs:16:22
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                      ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |                 &mut dyn Write) -> io::Result<()>;
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:18:35
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn write_to(&self, out : &mut Write) -> io::Result<()>;
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 18 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()>;
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:174:28
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 174 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:30:35
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 30 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:41:35
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:53:35
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/wdiff.rs:172:32
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn write(&self, out : &mut Write) -> io::Result<()>{
[INFO] [stdout]     |                                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 172 |     fn write(&self, out : &mut dyn Write) -> io::Result<()>{
[INFO] [stdout]     |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:165:28
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 165 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:179:29
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn write_off_len(out : &mut Write,
[INFO] [stdout]     |                             ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 179 | fn write_off_len(out : &mut dyn Write,
[INFO] [stdout]     |                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:197:33
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn write_hunk_header(out : &mut Write,
[INFO] [stdout]     |                                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 197 | fn write_hunk_header(out : &mut dyn Write,
[INFO] [stdout]     |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:255:35
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn output_context_line(out : &mut Write, conf : &Conf,
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn output_context_line(out : &mut dyn Write, conf : &Conf,
[INFO] [stdout]     |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/hunked.rs:292:28
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stdout]     |                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 292 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]     |                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/wdiff.rs:22:35
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stdout]    |                                   ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 22 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tests.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn do_wdiff(s1 : &str, s2 : &str, out : &mut Write) {
[INFO] [stdout]     |                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn do_wdiff(s1 : &str, s2 : &str, out : &mut dyn Write) {
[INFO] [stdout]     |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:64:27
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn file_header(out : &mut Write, prefix : &[u8], path : &Path) -> io::Result<()> {
[INFO] [stdout]    |                           ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn file_header(out : &mut dyn Write, prefix : &[u8], path : &Path) -> io::Result<()> {
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:274:43
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn extract_re_matches(conf : &Conf, re : &ReSelector,
[INFO] [stdout]     |                                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 274 | fn extract_re_matches(conf : &Conf, re : &dyn ReSelector,
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:282:36
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn pick_lines(conf : &Conf, mre : &ReSelector, ignore_re : &Option<Regex>,
[INFO] [stdout]     |                                    ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 282 | fn pick_lines(conf : &Conf, mre : &dyn ReSelector, ignore_re : &Option<Regex>,
[INFO] [stdout]     |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:310:27
[INFO] [stdout]     |
[INFO] [stdout] 310 |             let mre : Box<ReSelector> = re.map(build_re_selector)
[INFO] [stdout]     |                           ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 310 |             let mre : Box<dyn ReSelector> = re.map(build_re_selector)
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/hunked.rs:422:31
[INFO] [stdout]     |
[INFO] [stdout] 422 |         CollectingCommonsTail(mut hunk, _, _) => hunk,
[INFO] [stdout]     |                               ----^^^^
[INFO] [stdout]     |                               |
[INFO] [stdout]     |                               help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.31s
[INFO] running `Command { std: "docker" "inspect" "99a4f05c1299846d6d1d60f19dfc9dfd07a2b1d1463e4b340a8bf2313ec84380", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99a4f05c1299846d6d1d60f19dfc9dfd07a2b1d1463e4b340a8bf2313ec84380", kill_on_drop: false }`
[INFO] [stdout] 99a4f05c1299846d6d1d60f19dfc9dfd07a2b1d1463e4b340a8bf2313ec84380
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+0d162b25edd5bf0dba9a22e83b614f1113e90474" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f3a21763b62d69ece598d3623689d275de2ff8f013c6105ed15fe5792a25113d
[INFO] running `Command { std: "docker" "start" "-a" "f3a21763b62d69ece598d3623689d275de2ff8f013c6105ed15fe5792a25113d", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stderr]   --> src/wdiff.rs:58:12
[INFO] [stderr]    |
[INFO] [stderr] 58 | #[cfg_attr(feature = "cargo-clippy", allow(enum_variant_names))]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the condition
[INFO] [stderr]    |
[INFO] [stderr]    = note: no expected values for `feature`
[INFO] [stderr]    = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stderr]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]    = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/hunked.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |     fn do_write(&self, &Conf,
[INFO] [stderr]    |                        ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Conf`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/hunked.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 &[Self::DiffItem], &[Self::DiffItem],
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Self::DiffItem]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/hunked.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |                 &[Self::DiffItem], &[Self::DiffItem],
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[Self::DiffItem]`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]   --> src/hunked.rs:16:17
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 &mut Write) -> io::Result<()>;
[INFO] [stderr]    |                 ^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &mut Write`
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/main.rs:144:19
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn sel(&self, &Conf, &[u8]) -> Option<Vec<u8>>;
[INFO] [stderr]     |                   ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Conf`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stderr]    --> src/main.rs:144:26
[INFO] [stderr]     |
[INFO] [stderr] 144 |     fn sel(&self, &Conf, &[u8]) -> Option<Vec<u8>>;
[INFO] [stderr]     |                          ^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &[u8]`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2018/trait-fn-parameters.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:145:35
[INFO] [stderr]     |
[INFO] [stderr] 145 |                        out : &mut Write) -> io::Result<()>
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 145 |                        out : &mut dyn Write) -> io::Result<()>
[INFO] [stderr]     |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:351:45
[INFO] [stderr]     |
[INFO] [stderr] 351 | ...                   ds : &mut Iterator<Item=DiffResult<T>>) {
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 351 |                                   ds : &mut dyn Iterator<Item=DiffResult<T>>) {
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:404:43
[INFO] [stderr]     |
[INFO] [stderr] 404 |                            dump_hunk : &mut FnMut(Option<&Hunk<T>>) ->
[INFO] [stderr]     |  ___________________________________________^
[INFO] [stderr] 405 | |                          io::Result<()>,
[INFO] [stderr]     | |_______________________________________^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 404 |                          dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) ->
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:441:28
[INFO] [stderr]     |
[INFO] [stderr] 441 |           dump_hunk : &mut FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 441 |           dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:580:28
[INFO] [stderr]     |
[INFO] [stderr] 580 |           dump_hunk : &mut FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 580 |           dump_hunk : &mut dyn FnMut(Option<&Hunk<T>>) -> io::Result<()>,
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:629:16
[INFO] [stderr]     |
[INFO] [stderr] 629 |     out : &mut Write,
[INFO] [stderr]     |                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 629 |     out : &mut dyn Write,
[INFO] [stderr]     |                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:199:42
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn narrow_do_common<'a, I, T>(out : &mut Write,
[INFO] [stderr]     |                                          ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 199 | fn narrow_do_common<'a, I, T>(out : &mut dyn Write,
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:234:47
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn narrow_do_differences<'a, T, I>(out : &mut Write,
[INFO] [stderr]     |                                               ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 234 | fn narrow_do_differences<'a, T, I>(out : &mut dyn Write,
[INFO] [stderr]     |                                               +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:293:45
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn wide_do_differences<'a, T, I>(out : &mut Write,
[INFO] [stderr]     |                                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 293 | fn wide_do_differences<'a, T, I>(out : &mut dyn Write,
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:335:40
[INFO] [stderr]     |
[INFO] [stderr] 335 | fn wide_do_common<'a, T, I>(out : &mut Write,
[INFO] [stderr]     |                                        ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 335 | fn wide_do_common<'a, T, I>(out : &mut dyn Write,
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:350:42
[INFO] [stderr]     |
[INFO] [stderr] 350 | ...                   out : &mut Write) -> io::Result<()>
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 350 |                               out : &mut dyn Write) -> io::Result<()>
[INFO] [stderr]     |                                          +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:368:45
[INFO] [stderr]     |
[INFO] [stderr] 368 | ...                   out : &mut Write) -> io::Result<()>
[INFO] [stderr]     |                                  ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 368 |                                  out : &mut dyn Write) -> io::Result<()>
[INFO] [stderr]     |                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:252:48
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn build_re_selector<I, S>(re_strs : I) -> Box<ReSelector>
[INFO] [stderr]     |                                                ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 252 | fn build_re_selector<I, S>(re_strs : I) -> Box<dyn ReSelector>
[INFO] [stderr]     |                                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:287:33
[INFO] [stderr]     |
[INFO] [stderr] 287 | fn diff_files<'a, I>(out : &mut Write, conf : &Conf,
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 287 | fn diff_files<'a, I>(out : &mut dyn Write, conf : &Conf,
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/hunked.rs:16:22
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 &mut Write) -> io::Result<()>;
[INFO] [stderr]    |                      ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 |                 &mut dyn Write) -> io::Result<()>;
[INFO] [stderr]    |                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wdiff.rs:18:35
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn write_to(&self, out : &mut Write) -> io::Result<()>;
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 18 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()>;
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:174:28
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wdiff.rs:30:35
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 30 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wdiff.rs:41:35
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wdiff.rs:53:35
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 53 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wdiff.rs:172:32
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn write(&self, out : &mut Write) -> io::Result<()>{
[INFO] [stderr]     |                                ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 172 |     fn write(&self, out : &mut dyn Write) -> io::Result<()>{
[INFO] [stderr]     |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:165:28
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 165 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:179:29
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn write_off_len(out : &mut Write,
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 179 | fn write_off_len(out : &mut dyn Write,
[INFO] [stderr]     |                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:197:33
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn write_hunk_header(out : &mut Write,
[INFO] [stderr]     |                                 ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 197 | fn write_hunk_header(out : &mut dyn Write,
[INFO] [stderr]     |                                 +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:255:35
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn output_context_line(out : &mut Write, conf : &Conf,
[INFO] [stderr]     |                                   ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn output_context_line(out : &mut dyn Write, conf : &Conf,
[INFO] [stderr]     |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/hunked.rs:292:28
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 out : &mut Write) -> io::Result<()> {
[INFO] [stderr]     |                            ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]     |                            +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/wdiff.rs:22:35
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn write_to(&self, out : &mut Write) -> io::Result<()> {
[INFO] [stderr]    |                                   ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn write_to(&self, out : &mut dyn Write) -> io::Result<()> {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/tests.rs:110:46
[INFO] [stderr]     |
[INFO] [stderr] 110 | fn do_wdiff(s1 : &str, s2 : &str, out : &mut Write) {
[INFO] [stderr]     |                                              ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 110 | fn do_wdiff(s1 : &str, s2 : &str, out : &mut dyn Write) {
[INFO] [stderr]     |                                              +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:64:27
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn file_header(out : &mut Write, prefix : &[u8], path : &Path) -> io::Result<()> {
[INFO] [stderr]    |                           ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn file_header(out : &mut dyn Write, prefix : &[u8], path : &Path) -> io::Result<()> {
[INFO] [stderr]    |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:274:43
[INFO] [stderr]     |
[INFO] [stderr] 274 | fn extract_re_matches(conf : &Conf, re : &ReSelector,
[INFO] [stderr]     |                                           ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 274 | fn extract_re_matches(conf : &Conf, re : &dyn ReSelector,
[INFO] [stderr]     |                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:282:36
[INFO] [stderr]     |
[INFO] [stderr] 282 | fn pick_lines(conf : &Conf, mre : &ReSelector, ignore_re : &Option<Regex>,
[INFO] [stderr]     |                                    ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 282 | fn pick_lines(conf : &Conf, mre : &dyn ReSelector, ignore_re : &Option<Regex>,
[INFO] [stderr]     |                                    +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:310:27
[INFO] [stderr]     |
[INFO] [stderr] 310 |             let mre : Box<ReSelector> = re.map(build_re_selector)
[INFO] [stderr]     |                           ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 310 |             let mre : Box<dyn ReSelector> = re.map(build_re_selector)
[INFO] [stderr]     |                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/hunked.rs:422:31
[INFO] [stderr]     |
[INFO] [stderr] 422 |         CollectingCommonsTail(mut hunk, _, _) => hunk,
[INFO] [stderr]     |                               ----^^^^
[INFO] [stderr]     |                               |
[INFO] [stderr]     |                               help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `subdiff` (bin "subdiff" test) generated 40 warnings (run `cargo fix --bin "subdiff" -p subdiff --tests` to apply 39 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/subdiff-74c22486e785861a)
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 11 tests
[INFO] [stderr] thread '<unnamed>' (25) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.7/src/lib.rs:249:25:
[INFO] [stdout] test tests::context_wdiff ... ok
[INFO] [stderr] unsafe precondition(s) violated: slice::get_unchecked_mut requires that the index is within the slice
[INFO] [stderr] 
[INFO] [stderr] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety.
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5768e1adf602 - std[3b51380354919863]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5768e1adf602 - std[3b51380354919863]::backtrace_rs::backtrace::trace_unsynchronized::<std[3b51380354919863]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5768e1adf602 - std[3b51380354919863]::sys::backtrace::_print_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x5768e1adf602 - <<std[3b51380354919863]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[27de1724e4349be2]::fmt::Display>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x5768e1af497a - <core[27de1724e4349be2]::fmt::rt::Argument>::fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x5768e1af497a - core[27de1724e4349be2]::fmt::write
[INFO] [stderr]    6:     0x5768e1ae5676 - std[3b51380354919863]::io::default_write_fmt::<std[3b51380354919863]::sys::stdio::unix::Stderr>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5768e1ae5676 - <std[3b51380354919863]::sys::stdio::unix::Stderr as std[3b51380354919863]::io::Write>::write_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/io/mod.rs:1994:13
[INFO] [stderr]    8:     0x5768e1abcc5f - <std[3b51380354919863]::sys::backtrace::BacktraceLock>::print
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:47:9
[INFO] [stderr]    9:     0x5768e1abcc5f - std[3b51380354919863]::panicking::default_hook::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:292:27
[INFO] [stderr]   10:     0x5768e1ad7201 - std[3b51380354919863]::panicking::default_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:319:9
[INFO] [stderr]   11:     0x5768e192761e - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   12:     0x5768e192761e - test[182b2e79ecd7bbd9]::test_main_with_exit_callback::<test[182b2e79ecd7bbd9]::test_main::{closure#0}>::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5768e1ad74a2 - <alloc[a57f19327c0ad893]::boxed::Box<dyn for<'a, 'b> core[27de1724e4349be2]::ops::function::Fn<(&'a std[3b51380354919863]::panic::PanicHookInfo<'b>,), Output = ()> + core[27de1724e4349be2]::marker::Sync + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::Fn<(&std[3b51380354919863]::panic::PanicHookInfo,)>>::call
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2220:9
[INFO] [stderr]   14:     0x5768e1ad74a2 - std[3b51380354919863]::panicking::panic_with_hook
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:833:13
[INFO] [stderr]   15:     0x5768e1abcd4a - std[3b51380354919863]::panicking::panic_handler::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:691:13
[INFO] [stderr]   16:     0x5768e1ab1e89 - std[3b51380354919863]::sys::backtrace::__rust_end_short_backtrace::<std[3b51380354919863]::panicking::panic_handler::{closure#0}, !>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:182:18
[INFO] [stderr]   17:     0x5768e1abdb6d - __rustc[d79c0ace40940972]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:689:5
[INFO] [stderr]   18:     0x5768e1af4edd - core[27de1724e4349be2]::panicking::panic_nounwind_fmt::runtime
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5768e1af4edd - core[27de1724e4349be2]::panicking::panic_nounwind_fmt
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/intrinsics/mod.rs:2431:9
[INFO] [stderr]   20:     0x5768e19857c4 - <usize as core[27de1724e4349be2]::slice::index::SliceIndex<[_]>>::get_unchecked_mut::precondition_check
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5768e1985979 - <usize as core[27de1724e4349be2]::slice::index::SliceIndex<[crossbeam_epoch[3bbd1e170dcbaef2]::garbage::Garbage]>>::get_unchecked_mut
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5768e1982dd9 - <[crossbeam_epoch[3bbd1e170dcbaef2]::garbage::Garbage]>::get_unchecked_mut::<usize>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/slice/mod.rs:690:30
[INFO] [stderr]   23:     0x5768e1984ff1 - <arrayvec[f5ca7a24bc3a514e]::ArrayVec<[crossbeam_epoch[3bbd1e170dcbaef2]::garbage::Garbage; 64usize]>>::push_unchecked
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.7/src/lib.rs:249:25
[INFO] [stderr]   24:     0x5768e19853e8 - <arrayvec[f5ca7a24bc3a514e]::ArrayVec<[crossbeam_epoch[3bbd1e170dcbaef2]::garbage::Garbage; 64usize]>>::try_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.7/src/lib.rs:215:22
[INFO] [stderr]   25:     0x5768e1984a25 - <crossbeam_epoch[3bbd1e170dcbaef2]::garbage::Bag>::try_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.3.1/src/garbage.rs:86:22
[INFO] [stderr]   26:     0x5768e1980140 - <crossbeam_epoch[3bbd1e170dcbaef2]::internal::Local>::defer
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.3.1/src/internal.rs:235:32
[INFO] [stderr]   27:     0x5768e196a21b - <crossbeam_epoch[3bbd1e170dcbaef2]::guard::Guard>::defer::<<crossbeam_deque[e7e3bb767e35a5a7]::Inner<rayon_core[2052f76f1f52b526]::job::JobRef>>::resize::{closure#0}, crossbeam_epoch[3bbd1e170dcbaef2]::atomic::Owned<crossbeam_deque[e7e3bb767e35a5a7]::Buffer<rayon_core[2052f76f1f52b526]::job::JobRef>>>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-epoch-0.3.1/src/guard.rs:179:19
[INFO] [stderr]   28:     0x5768e1967258 - <crossbeam_deque[e7e3bb767e35a5a7]::Inner<rayon_core[2052f76f1f52b526]::job::JobRef>>::resize
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-deque-0.2.0/src/lib.rs:229:15
[INFO] [stderr]   29:     0x5768e1967bca - <crossbeam_deque[e7e3bb767e35a5a7]::Deque<rayon_core[2052f76f1f52b526]::job::JobRef>>::push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/crossbeam-deque-0.2.0/src/lib.rs:418:28
[INFO] [stderr]   30:     0x5768e195d24e - <rayon_core[2052f76f1f52b526]::registry::WorkerThread>::push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:509:21
[INFO] [stderr]   31:     0x5768e195d831 - <rayon_core[2052f76f1f52b526]::registry::Registry>::inject_or_push
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:235:34
[INFO] [stderr]   32:     0x5768e18f38ca - <rayon_core[2052f76f1f52b526]::scope::Scope>::spawn::<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}::{closure#0}>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/scope/mod.rs:342:27
[INFO] [stderr]   33:     0x5768e1910a8d - subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/workdir/src/tests.rs:101:19
[INFO] [stderr]   34:     0x5768e18f7555 - <rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure::<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/scope/mod.rs:364:46
[INFO] [stderr]   35:     0x5768e18f3310 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   36:     0x5768e190c7ca - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stderr]   37:     0x5768e190a60b - __rust_try
[INFO] [stderr]   38:     0x5768e19096bc - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stderr]   39:     0x5768e19096bc - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stderr]   40:     0x5768e190e905 - rayon_core[2052f76f1f52b526]::unwind::halt_unwinding::<<rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/unwind.rs:18:5
[INFO] [stderr]   41:     0x5768e18f36af - <rayon_core[2052f76f1f52b526]::scope::Scope>::execute_job_closure::<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/scope/mod.rs:364:15
[INFO] [stderr]   42:     0x5768e18f7723 - rayon_core[2052f76f1f52b526]::scope::scope::<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/scope/mod.rs:271:32
[INFO] [stderr]   43:     0x5768e18fffca - <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold::<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:355:13
[INFO] [stderr]   44:     0x5768e18fb406 - <rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute::{closure#0}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/job.rs:113:64
[INFO] [stderr]   45:     0x5768e18f3351 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   46:     0x5768e190c808 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stderr]   47:     0x5768e190a60b - __rust_try
[INFO] [stderr]   48:     0x5768e19097c5 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute::{closure#0}>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stderr]   49:     0x5768e19097c5 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<<rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stderr]   50:     0x5768e190e92c - rayon_core[2052f76f1f52b526]::unwind::halt_unwinding::<<rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute::{closure#0}, ()>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/unwind.rs:18:5
[INFO] [stderr]   51:     0x5768e18fc749 - <rayon_core[2052f76f1f52b526]::job::StackJob<rayon_core[2052f76f1f52b526]::latch::LockLatch, <rayon_core[2052f76f1f52b526]::registry::Registry>::in_worker_cold<rayon_core[2052f76f1f52b526]::scope::scope<subdiff[faaf4285ccf07f0a]::tests::long_test_of_combos_against_diff::{closure#0}, ()>::{closure#0}, ()>::{closure#0}, ()> as rayon_core[2052f76f1f52b526]::job::Job>::execute
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/job.rs:113:38
[INFO] [stderr]   52:     0x5768e196324e - <rayon_core[2052f76f1f52b526]::job::JobRef>::execute
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/job.rs:60:9
[INFO] [stderr]   53:     0x5768e195d492 - <rayon_core[2052f76f1f52b526]::registry::WorkerThread>::execute
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:583:13
[INFO] [stderr]   54:     0x5768e195ab8f - <rayon_core[2052f76f1f52b526]::registry::WorkerThread>::wait_until_cold::<rayon_core[2052f76f1f52b526]::latch::CountLatch>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:567:22
[INFO] [stderr]   55:     0x5768e195a97c - <rayon_core[2052f76f1f52b526]::registry::WorkerThread>::wait_until::<rayon_core[2052f76f1f52b526]::latch::CountLatch>
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:543:18
[INFO] [stderr]   56:     0x5768e195f276 - rayon_core[2052f76f1f52b526]::registry::main_loop
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:674:19
[INFO] [stderr]   57:     0x5768e195c9ac - <rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rayon-core-1.4.0/src/registry.rs:134:54
[INFO] [stderr]   58:     0x5768e196bbd6 - std[3b51380354919863]::sys::backtrace::__rust_begin_short_backtrace::<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/backtrace.rs:166:18
[INFO] [stderr]   59:     0x5768e1966c52 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1}::{closure#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stderr]   60:     0x5768e1964a01 - <core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1}::{closure#0}> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   61:     0x5768e195c1d7 - std[3b51380354919863]::panicking::catch_unwind::do_call::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:581:40
[INFO] [stderr]   62:     0x5768e1969d7b - __rust_try
[INFO] [stderr]   63:     0x5768e1966550 - std[3b51380354919863]::panicking::catch_unwind::<(), core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1}::{closure#0}>>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panicking.rs:544:19
[INFO] [stderr]   64:     0x5768e1966550 - std[3b51380354919863]::panic::catch_unwind::<core[27de1724e4349be2]::panic::unwind_safe::AssertUnwindSafe<std[3b51380354919863]::thread::lifecycle::spawn_unchecked<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/panic.rs:359:14
[INFO] [stderr]   65:     0x5768e1966550 - std[3b51380354919863]::thread::lifecycle::spawn_unchecked::<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stderr]   66:     0x5768e196c19f - <std[3b51380354919863]::thread::lifecycle::spawn_unchecked<<rayon_core[2052f76f1f52b526]::registry::Registry>::new::{closure#3}, ()>::{closure#1} as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   67:     0x5768e1adee9f - <alloc[a57f19327c0ad893]::boxed::Box<dyn core[27de1724e4349be2]::ops::function::FnOnce<(), Output = ()> + core[27de1724e4349be2]::marker::Send> as core[27de1724e4349be2]::ops::function::FnOnce<()>>::call_once
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/alloc/src/boxed.rs:2206:9
[INFO] [stderr]   68:     0x5768e1adee9f - <std[3b51380354919863]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stderr]                                at /rustc/0d162b25edd5bf0dba9a22e83b614f1113e90474/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stderr]   69:     0x7b86f399faa4 - <unknown>
[INFO] [stderr]   70:     0x7b86f3a2ca64 - clone
[INFO] [stderr]   71:                0x0 - <unknown>
[INFO] [stderr] thread caused non-unwinding panic. aborting.
[INFO] [stderr] error: test failed, to rerun pass `--bin subdiff`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/subdiff-74c22486e785861a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "f3a21763b62d69ece598d3623689d275de2ff8f013c6105ed15fe5792a25113d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3a21763b62d69ece598d3623689d275de2ff8f013c6105ed15fe5792a25113d", kill_on_drop: false }`
[INFO] [stdout] f3a21763b62d69ece598d3623689d275de2ff8f013c6105ed15fe5792a25113d
