[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 try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faoikonomopoulos%2Fsubdiff" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/aoikonomopoulos/subdiff on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15bfec214d1a899e3d8d03ab26eb5a6246c3ee67995a6f665acdb1266c6fe935
[INFO] running `Command { std: "docker" "start" "-a" "15bfec214d1a899e3d8d03ab26eb5a6246c3ee67995a6f665acdb1266c6fe935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15bfec214d1a899e3d8d03ab26eb5a6246c3ee67995a6f665acdb1266c6fe935", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15bfec214d1a899e3d8d03ab26eb5a6246c3ee67995a6f665acdb1266c6fe935", kill_on_drop: false }`
[INFO] [stdout] 15bfec214d1a899e3d8d03ab26eb5a6246c3ee67995a6f665acdb1266c6fe935
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 245ce50da79c60b36ed16b29f6401401def2d34c2af57aea8d0dff6a2f716cc2
[INFO] running `Command { std: "docker" "start" "-a" "245ce50da79c60b36ed16b29f6401401def2d34c2af57aea8d0dff6a2f716cc2", 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 memchr v2.0.1
[INFO] [stderr]    Compiling regex v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling atty v0.2.10
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling lcs-diff v0.1.1
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.6.1
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 9.27s
[INFO] running `Command { std: "docker" "inspect" "245ce50da79c60b36ed16b29f6401401def2d34c2af57aea8d0dff6a2f716cc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "245ce50da79c60b36ed16b29f6401401def2d34c2af57aea8d0dff6a2f716cc2", kill_on_drop: false }`
[INFO] [stdout] 245ce50da79c60b36ed16b29f6401401def2d34c2af57aea8d0dff6a2f716cc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 643aa0949eb32c3a186e2184d97288b23a19d38c1ba542f637b800d774fdbd12
[INFO] running `Command { std: "docker" "start" "-a" "643aa0949eb32c3a186e2184d97288b23a19d38c1ba542f637b800d774fdbd12", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.4.2
[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 crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling temporary v0.6.3
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 5.48s
[INFO] running `Command { std: "docker" "inspect" "643aa0949eb32c3a186e2184d97288b23a19d38c1ba542f637b800d774fdbd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "643aa0949eb32c3a186e2184d97288b23a19d38c1ba542f637b800d774fdbd12", kill_on_drop: false }`
[INFO] [stdout] 643aa0949eb32c3a186e2184d97288b23a19d38c1ba542f637b800d774fdbd12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 394eca27168b89302aaf2e4ee696a7c08514f9e48966dd8ef5a1ebd61443776e
[INFO] running `Command { std: "docker" "start" "-a" "394eca27168b89302aaf2e4ee696a7c08514f9e48966dd8ef5a1ebd61443776e", 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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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 issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[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-c11c5a485a0380b3)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::context_wdiff ... ok
[INFO] [stdout] test tests::ignore_re_works ... ok
[INFO] [stderr] 
[INFO] [stderr] thread '<unnamed>' (52) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/arrayvec-0.4.7/src/lib.rs:249:25:
[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:     0x5aa5cab61322 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5aa5cab61322 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5aa5cab61322 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5aa5cab61322 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5aa5cab7154f - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5aa5cab7154f - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stderr]    6:     0x5aa5cab2dba3 - std::io::default_write_fmt::hf7668c9f69c3a921
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5aa5cab2dba3 - std::io::Write::write_fmt::ha6503cd07dd1d506
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5aa5cab3a132 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5aa5cab3ee9f - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5aa5cab3ecf9 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5aa5ca9b201e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   12:     0x5aa5ca9b201e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stderr]   13:     0x5aa5cab3f55f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stderr]   14:     0x5aa5cab3f55f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stderr]   15:     0x5aa5cab3f2d6 - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:700:13
[INFO] [stderr]   16:     0x5aa5cab3a269 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   17:     0x5aa5cab21ccd - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stderr]   18:     0x5aa5cab7927d - core::panicking::panic_nounwind_fmt::runtime::hdc3e454f690461fc
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:122:22
[INFO] [stderr]   19:     0x5aa5cab7927d - core::panicking::panic_nounwind_fmt::h0f491c26d5575477
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/intrinsics/mod.rs:2439:9
[INFO] [stderr]   20:     0x5aa5caa00b0c - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::precondition_check::he89d4cd06951bb12
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ub_checks.rs:73:21
[INFO] [stderr]   21:     0x5aa5caa00a59 - <usize as core::slice::index::SliceIndex<[T]>>::get_unchecked_mut::hb4877b49f859125a
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ub_checks.rs:78:17
[INFO] [stderr]   22:     0x5aa5ca9fc6f9 - core::slice::<impl [T]>::get_unchecked_mut::h0689372c62012ec7
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/slice/mod.rs:689:30
[INFO] [stderr]   23:     0x5aa5caa00d21 - arrayvec::ArrayVec<A>::push_unchecked::ha8b04567e904e892
[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:     0x5aa5caa01118 - arrayvec::ArrayVec<A>::try_push::h3943ee9555831671
[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:     0x5aa5ca9f996d - crossbeam_epoch::garbage::Bag::try_push::h75c926e59451da70
[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:     0x5aa5ca9faf60 - crossbeam_epoch::internal::Local::defer::hebef3d5cc74aabc6
[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:     0x5aa5ca9e5e8b - crossbeam_epoch::guard::Guard::defer::hc7f73ed21fc951f1
[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:     0x5aa5ca9e5588 - crossbeam_deque::Inner<T>::resize::hedcaa76feb05d970
[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:     0x5aa5ca9e4dca - crossbeam_deque::Deque<T>::push::h846eb2bc0723c805
[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:     0x5aa5ca9d335e - rayon_core::registry::WorkerThread::push::h73e522e0c44e6c8a
[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:     0x5aa5ca9d3c21 - rayon_core::registry::Registry::inject_or_push::h39300056b3d4ca0f
[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:     0x5aa5ca97ce6a - rayon_core::scope::Scope::spawn::h619a8f9230c2a9d7
[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:     0x5aa5ca97a53d - subdiff::tests::long_test_of_combos_against_diff::{{closure}}::h676860bb2f3e3a99
[INFO] [stderr]                                at /opt/rustwide/workdir/src/tests.rs:101:19
[INFO] [stderr]   34:     0x5aa5ca97ccd5 - rayon_core::scope::Scope::execute_job_closure::{{closure}}::hc4998984df60fe2e
[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:     0x5aa5ca960d90 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h882348e78b5f5f6e
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   36:     0x5aa5ca963f5a - std::panicking::catch_unwind::do_call::h96edb876e62480c1
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]   37:     0x5aa5ca98833b - __rust_try
[INFO] [stderr]   38:     0x5aa5ca98618f - std::panicking::catch_unwind::h584432351f5431ba
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]   39:     0x5aa5ca98618f - std::panic::catch_unwind::h7ed3295ddd0d1b00
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]   40:     0x5aa5ca976165 - rayon_core::unwind::halt_unwinding::hc0b67bef1dd40a0c
[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:     0x5aa5ca97cb0f - rayon_core::scope::Scope::execute_job_closure::h4f4e9e605e9bc1c3
[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:     0x5aa5ca97d093 - rayon_core::scope::scope::{{closure}}::ha72f61c0dca75ca0
[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:     0x5aa5ca974a6a - rayon_core::registry::Registry::in_worker_cold::{{closure}}::h350b03e8b8fb5244
[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:     0x5aa5ca967356 - <rayon_core::job::StackJob<L,F,R> as rayon_core::job::Job>::execute::{{closure}}::h78ee5830ce6e4ce3
[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:     0x5aa5ca960dd1 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8aeefa383770d456
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   46:     0x5aa5ca963f98 - std::panicking::catch_unwind::do_call::hfd65ca1c34cf3481
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]   47:     0x5aa5ca98833b - __rust_try
[INFO] [stderr]   48:     0x5aa5ca986251 - std::panicking::catch_unwind::hca19b6ece8345cdb
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]   49:     0x5aa5ca986251 - std::panic::catch_unwind::hce81e043be830498
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]   50:     0x5aa5ca97612c - rayon_core::unwind::halt_unwinding::h475b663a3a1362db
[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:     0x5aa5ca9670e9 - <rayon_core::job::StackJob<L,F,R> as rayon_core::job::Job>::execute::he1eec1b947066f5e
[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:     0x5aa5ca9d9dee - rayon_core::job::JobRef::execute::hed981551a1ae99b9
[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:     0x5aa5ca9d3792 - rayon_core::registry::WorkerThread::execute::h34901a1223f14f42
[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:     0x5aa5ca9d3173 - rayon_core::registry::WorkerThread::wait_until_cold::h7e0ff37cc4729e3a
[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:     0x5aa5ca9d2e3c - rayon_core::registry::WorkerThread::wait_until::hab3e6900179e4a5c
[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:     0x5aa5ca9d5346 - rayon_core::registry::main_loop::hd373ad884df456df
[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:     0x5aa5ca9d4b3c - rayon_core::registry::Registry::new::{{closure}}::h226b22f93e03cec7
[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:     0x5aa5ca9e6936 - std::sys::backtrace::__rust_begin_short_backtrace::h69c78f18f3dc17e8
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   59:     0x5aa5ca9d70d2 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h7f0d06746a424d09
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stderr]   60:     0x5aa5ca9d5c41 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hcbcc3a4dbad055d3
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stderr]   61:     0x5aa5ca9e72c7 - std::panicking::catch_unwind::do_call::hfb23394d79bc0be1
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stderr]   62:     0x5aa5ca9d9c1b - __rust_try
[INFO] [stderr]   63:     0x5aa5ca9d6d46 - std::panicking::catch_unwind::hbf0e978ee3cb70ab
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stderr]   64:     0x5aa5ca9d6d46 - std::panic::catch_unwind::hb69f3842965a12b6
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stderr]   65:     0x5aa5ca9d6d46 - std::thread::Builder::spawn_unchecked_::{{closure}}::h09b059a213982cbc
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stderr]   66:     0x5aa5ca9db3af - core::ops::function::FnOnce::call_once{{vtable.shim}}::h61ce9a3be8831d37
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   67:     0x5aa5cab3558f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stderr]   68:     0x5aa5cab3558f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stderr]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stderr]   69:     0x7ae0c95c4aa4 - <unknown>
[INFO] [stderr]   70:     0x7ae0c9651a64 - 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-c11c5a485a0380b3` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "394eca27168b89302aaf2e4ee696a7c08514f9e48966dd8ef5a1ebd61443776e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394eca27168b89302aaf2e4ee696a7c08514f9e48966dd8ef5a1ebd61443776e", kill_on_drop: false }`
[INFO] [stdout] 394eca27168b89302aaf2e4ee696a7c08514f9e48966dd8ef5a1ebd61443776e
