[INFO] fetching crate peep 0.1.4...
[INFO] testing peep-0.1.4 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate peep 0.1.4 into /workspace/builds/worker-50/source
[INFO] validating manifest of crates.io crate peep 0.1.4 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate peep 0.1.4
[INFO] finished tweaking crates.io crate peep 0.1.4
[INFO] tweaked toml for crates.io crate peep 0.1.4 written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fad04045a36c95cd232cc504353b44232f49fa6b7a1b4ba93d67070d5da320c5
[INFO] running `Command { std: "docker" "start" "-a" "fad04045a36c95cd232cc504353b44232f49fa6b7a1b4ba93d67070d5da320c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fad04045a36c95cd232cc504353b44232f49fa6b7a1b4ba93d67070d5da320c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad04045a36c95cd232cc504353b44232f49fa6b7a1b4ba93d67070d5da320c5", kill_on_drop: false }`
[INFO] [stdout] fad04045a36c95cd232cc504353b44232f49fa6b7a1b4ba93d67070d5da320c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 94567c590f7a6d53bd4f6ebf1febd78646ceea1e6bea396ba44955d87f2db248
[INFO] running `Command { std: "docker" "start" "-a" "94567c590f7a6d53bd4f6ebf1febd78646ceea1e6bea396ba44955d87f2db248", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling futures v0.1.31
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling smallvec v0.6.14
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling termios v0.3.3
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling ctrlc v3.2.1
[INFO] [stderr]    Compiling peep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsRawFd` is imported redundantly
[INFO] [stdout]   --> src/app.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use std::os::unix::io::AsRawFd;
[INFO] [stdout]    |     -------------------------- the item `AsRawFd` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 79 |         use std::os::unix::io::AsRawFd;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:24:73
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout]    |                                                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout] 24 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:32:73
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout]    |                                                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout] 32 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 '1'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |             0...2 => format!("{:>2}", line_number + 1),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0...2 => "  ".to_owned(),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:448:14
[INFO] [stdout]     |
[INFO] [stdout] 448 |             0...99 => 2,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:449:16
[INFO] [stdout]     |
[INFO] [stdout] 449 |             100...999 => 3,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |             1000...9999 => 4,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     istream: &'a mut Read,
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     istream: &'a mut Read,
[INFO] [stdout] 27 +     istream: &'a mut dyn Read,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |     parser: &'a mut keybind::KeyParser,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     parser: &'a mut keybind::KeyParser,
[INFO] [stdout] 28 +     parser: &'a mut dyn keybind::KeyParser,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |     searcher: Rc<RefCell<search::Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     searcher: Rc<RefCell<search::Search>>,
[INFO] [stdout] 145 +     searcher: Rc<RefCell<dyn search::Search>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writer: Box<RefCell<'a + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     writer: Box<RefCell<'a + Write>>,
[INFO] [stdout] 35 +     writer: Box<RefCell<dyn 'a + Write>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     hlsearcher: Rc<RefCell<Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     hlsearcher: Rc<RefCell<Search>>,
[INFO] [stdout] 43 +     hlsearcher: Rc<RefCell<dyn Search>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[INFO] [stdout] 45 +     termsize_getter: Box<dyn Fn() -> io::Result<(u16, u16)>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout] 32 +     pub fn new(istream: &'a mut dyn Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:32:55
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout] 32 +     pub fn new(istream: &'a mut Read, parser: &'a mut dyn keybind::KeyParser) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pane.rs:463:67
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 463 -     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[INFO] [stdout] 463 +     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<dyn Search>>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filewatch/mod.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let filewatcher: &mut FileWatch = if file_path == "-" {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let filewatcher: &mut FileWatch = if file_path == "-" {
[INFO] [stdout] 44 +     let filewatcher: &mut dyn FileWatch = if file_path == "-" {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:207:17
[INFO] [stdout]     |
[INFO] [stdout] 207 |             let mut bufreader = BufReader::new(file);
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.65s
[INFO] running `Command { std: "docker" "inspect" "94567c590f7a6d53bd4f6ebf1febd78646ceea1e6bea396ba44955d87f2db248", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94567c590f7a6d53bd4f6ebf1febd78646ceea1e6bea396ba44955d87f2db248", kill_on_drop: false }`
[INFO] [stdout] 94567c590f7a6d53bd4f6ebf1febd78646ceea1e6bea396ba44955d87f2db248
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e4148ec2be5bc57efcd56ff5e475725ce4bb935de0a65b61f9c64577419c37b
[INFO] running `Command { std: "docker" "start" "-a" "5e4148ec2be5bc57efcd56ff5e475725ce4bb935de0a65b61f9c64577419c37b", kill_on_drop: false }`
[INFO] [stdout] warning: the item `AsRawFd` is imported redundantly
[INFO] [stdout]   --> src/app.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use std::os::unix::io::AsRawFd;
[INFO] [stdout]    |     -------------------------- the item `AsRawFd` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 79 |         use std::os::unix::io::AsRawFd;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:24:73
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout]    |                                                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout] 24 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:32:73
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout]    |                                                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout] 32 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 '1'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |             0...2 => format!("{:>2}", line_number + 1),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0...2 => "  ".to_owned(),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:448:14
[INFO] [stdout]     |
[INFO] [stdout] 448 |             0...99 => 2,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:449:16
[INFO] [stdout]     |
[INFO] [stdout] 449 |             100...999 => 3,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |             1000...9999 => 4,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     istream: &'a mut Read,
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     istream: &'a mut Read,
[INFO] [stdout] 27 +     istream: &'a mut dyn Read,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |     parser: &'a mut keybind::KeyParser,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     parser: &'a mut keybind::KeyParser,
[INFO] [stdout] 28 +     parser: &'a mut dyn keybind::KeyParser,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |     searcher: Rc<RefCell<search::Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     searcher: Rc<RefCell<search::Search>>,
[INFO] [stdout] 145 +     searcher: Rc<RefCell<dyn search::Search>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writer: Box<RefCell<'a + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     writer: Box<RefCell<'a + Write>>,
[INFO] [stdout] 35 +     writer: Box<RefCell<dyn 'a + Write>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     hlsearcher: Rc<RefCell<Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     hlsearcher: Rc<RefCell<Search>>,
[INFO] [stdout] 43 +     hlsearcher: Rc<RefCell<dyn Search>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[INFO] [stdout] 45 +     termsize_getter: Box<dyn Fn() -> io::Result<(u16, u16)>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout] 32 +     pub fn new(istream: &'a mut dyn Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:32:55
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout] 32 +     pub fn new(istream: &'a mut Read, parser: &'a mut dyn keybind::KeyParser) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pane.rs:463:67
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 463 -     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[INFO] [stdout] 463 +     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<dyn Search>>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filewatch/mod.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let filewatcher: &mut FileWatch = if file_path == "-" {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let filewatcher: &mut FileWatch = if file_path == "-" {
[INFO] [stdout] 44 +     let filewatcher: &mut dyn FileWatch = if file_path == "-" {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:207:17
[INFO] [stdout]     |
[INFO] [stdout] 207 |             let mut bufreader = BufReader::new(file);
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling peep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 21 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRawFd` is imported redundantly
[INFO] [stdout]   --> src/app.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 7  | use std::os::unix::io::AsRawFd;
[INFO] [stdout]    |     -------------------------- the item `AsRawFd` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 79 |         use std::os::unix::io::AsRawFd;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:24:73
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout]    |                                                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 24 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stdout] 24 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>>;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/filewatch/mod.rs:32:73
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout]    |                                                                         ^    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 32 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stdout] 32 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>> {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |                 '1'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/keybind.rs:175:20
[INFO] [stdout]     |
[INFO] [stdout] 175 |                 '0'...'9' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:225:14
[INFO] [stdout]     |
[INFO] [stdout] 225 |             0...2 => format!("{:>2}", line_number + 1),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:239:14
[INFO] [stdout]     |
[INFO] [stdout] 239 |             0...2 => "  ".to_owned(),
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:448:14
[INFO] [stdout]     |
[INFO] [stdout] 448 |             0...99 => 2,
[INFO] [stdout]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:449:16
[INFO] [stdout]     |
[INFO] [stdout] 449 |             100...999 => 3,
[INFO] [stdout]     |                ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/pane.rs:450:17
[INFO] [stdout]     |
[INFO] [stdout] 450 |             1000...9999 => 4,
[INFO] [stdout]     |                 ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:27:22
[INFO] [stdout]    |
[INFO] [stdout] 27 |     istream: &'a mut Read,
[INFO] [stdout]    |                      ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 27 -     istream: &'a mut Read,
[INFO] [stdout] 27 +     istream: &'a mut dyn Read,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:28:21
[INFO] [stdout]    |
[INFO] [stdout] 28 |     parser: &'a mut keybind::KeyParser,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 -     parser: &'a mut keybind::KeyParser,
[INFO] [stdout] 28 +     parser: &'a mut dyn keybind::KeyParser,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/app.rs:145:26
[INFO] [stdout]     |
[INFO] [stdout] 145 |     searcher: Rc<RefCell<search::Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 145 -     searcher: Rc<RefCell<search::Search>>,
[INFO] [stdout] 145 +     searcher: Rc<RefCell<dyn search::Search>>,
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:35:25
[INFO] [stdout]    |
[INFO] [stdout] 35 |     writer: Box<RefCell<'a + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 35 -     writer: Box<RefCell<'a + Write>>,
[INFO] [stdout] 35 +     writer: Box<RefCell<dyn 'a + Write>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:43:28
[INFO] [stdout]    |
[INFO] [stdout] 43 |     hlsearcher: Rc<RefCell<Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 43 -     hlsearcher: Rc<RefCell<Search>>,
[INFO] [stdout] 43 +     hlsearcher: Rc<RefCell<dyn Search>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/pane.rs:45:26
[INFO] [stdout]    |
[INFO] [stdout] 45 |     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 45 -     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[INFO] [stdout] 45 +     termsize_getter: Box<dyn Fn() -> io::Result<(u16, u16)>>,
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:32:33
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout] 32 +     pub fn new(istream: &'a mut dyn Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/app.rs:32:55
[INFO] [stdout]    |
[INFO] [stdout] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stdout] 32 +     pub fn new(istream: &'a mut Read, parser: &'a mut dyn keybind::KeyParser) -> Self {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pane.rs:105:55
[INFO] [stdout]     |
[INFO] [stdout] 105 |     fn replace_termsize_getter(&mut self, getter: Box<Fn() -> io::Result<(u16, u16)>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 105 -     fn replace_termsize_getter(&mut self, getter: Box<Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stdout] 105 +     fn replace_termsize_getter(&mut self, getter: Box<dyn Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pane.rs:463:67
[INFO] [stdout]     |
[INFO] [stdout] 463 |     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 463 -     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[INFO] [stdout] 463 +     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<dyn Search>>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/pane.rs:765:54
[INFO] [stdout]     |
[INFO] [stdout] 765 |     fn gen_sizer(w: u16, h: u16) -> ((u16, u16), Box<Fn() -> io::Result<(u16, u16)>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 765 -     fn gen_sizer(w: u16, h: u16) -> ((u16, u16), Box<Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stdout] 765 +     fn gen_sizer(w: u16, h: u16) -> ((u16, u16), Box<dyn Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/filewatch/mod.rs:44:27
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let filewatcher: &mut FileWatch = if file_path == "-" {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 44 -     let filewatcher: &mut FileWatch = if file_path == "-" {
[INFO] [stdout] 44 +     let filewatcher: &mut dyn FileWatch = if file_path == "-" {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/app.rs:207:17
[INFO] [stdout]     |
[INFO] [stdout] 207 |             let mut bufreader = BufReader::new(file);
[INFO] [stdout]     |                 ----^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 23 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "5e4148ec2be5bc57efcd56ff5e475725ce4bb935de0a65b61f9c64577419c37b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e4148ec2be5bc57efcd56ff5e475725ce4bb935de0a65b61f9c64577419c37b", kill_on_drop: false }`
[INFO] [stdout] 5e4148ec2be5bc57efcd56ff5e475725ce4bb935de0a65b61f9c64577419c37b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f85714b9dc62c23c960be1ef6649a10f28b13567dd1e11fb146591ccc6079532
[INFO] running `Command { std: "docker" "start" "-a" "f85714b9dc62c23c960be1ef6649a10f28b13567dd1e11fb146591ccc6079532", kill_on_drop: false }`
[INFO] [stderr] warning: the item `AsRawFd` is imported redundantly
[INFO] [stderr]   --> src/app.rs:79:13
[INFO] [stderr]    |
[INFO] [stderr] 7  | use std::os::unix::io::AsRawFd;
[INFO] [stderr]    |     -------------------------- the item `AsRawFd` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 79 |         use std::os::unix::io::AsRawFd;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/filewatch/mod.rs:24:73
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stderr]    |                                                                         ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 24 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stderr] 24 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> src/filewatch/mod.rs:32:73
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stderr]    |                                                                         ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stderr] 32 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/keybind.rs:129:20
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 '1'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/keybind.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 '0'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/pane.rs:225:14
[INFO] [stderr]     |
[INFO] [stderr] 225 |             0...2 => format!("{:>2}", line_number + 1),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/pane.rs:239:14
[INFO] [stderr]     |
[INFO] [stderr] 239 |             0...2 => "  ".to_owned(),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/pane.rs:448:14
[INFO] [stderr]     |
[INFO] [stderr] 448 |             0...99 => 2,
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/pane.rs:449:16
[INFO] [stderr]     |
[INFO] [stderr] 449 |             100...999 => 3,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/pane.rs:450:17
[INFO] [stderr]     |
[INFO] [stderr] 450 |             1000...9999 => 4,
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:27:22
[INFO] [stderr]    |
[INFO] [stderr] 27 |     istream: &'a mut Read,
[INFO] [stderr]    |                      ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 27 -     istream: &'a mut Read,
[INFO] [stderr] 27 +     istream: &'a mut dyn Read,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:28:21
[INFO] [stderr]    |
[INFO] [stderr] 28 |     parser: &'a mut keybind::KeyParser,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 -     parser: &'a mut keybind::KeyParser,
[INFO] [stderr] 28 +     parser: &'a mut dyn keybind::KeyParser,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/app.rs:145:26
[INFO] [stderr]     |
[INFO] [stderr] 145 |     searcher: Rc<RefCell<search::Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 145 -     searcher: Rc<RefCell<search::Search>>,
[INFO] [stderr] 145 +     searcher: Rc<RefCell<dyn search::Search>>,
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pane.rs:35:25
[INFO] [stderr]    |
[INFO] [stderr] 35 |     writer: Box<RefCell<'a + 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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 35 -     writer: Box<RefCell<'a + Write>>,
[INFO] [stderr] 35 +     writer: Box<RefCell<dyn 'a + Write>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pane.rs:43:28
[INFO] [stderr]    |
[INFO] [stderr] 43 |     hlsearcher: Rc<RefCell<Search>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 43 -     hlsearcher: Rc<RefCell<Search>>,
[INFO] [stderr] 43 +     hlsearcher: Rc<RefCell<dyn Search>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/pane.rs:45:26
[INFO] [stderr]    |
[INFO] [stderr] 45 |     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 45 -     termsize_getter: Box<Fn() -> io::Result<(u16, u16)>>,
[INFO] [stderr] 45 +     termsize_getter: Box<dyn Fn() -> io::Result<(u16, u16)>>,
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:32:33
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stderr] 32 +     pub fn new(istream: &'a mut dyn Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/app.rs:32:55
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 32 -     pub fn new(istream: &'a mut Read, parser: &'a mut keybind::KeyParser) -> Self {
[INFO] [stderr] 32 +     pub fn new(istream: &'a mut Read, parser: &'a mut dyn keybind::KeyParser) -> Self {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/pane.rs:463:67
[INFO] [stderr]     |
[INFO] [stderr] 463 |     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 463 -     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<Search>>) {
[INFO] [stderr] 463 +     pub fn set_highlight_searcher(&mut self, searcher: Rc<RefCell<dyn Search>>) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/filewatch/mod.rs:44:27
[INFO] [stderr]    |
[INFO] [stderr] 44 |     let filewatcher: &mut FileWatch = if file_path == "-" {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 -     let filewatcher: &mut FileWatch = if file_path == "-" {
[INFO] [stderr] 44 +     let filewatcher: &mut dyn FileWatch = if file_path == "-" {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/app.rs:207:17
[INFO] [stderr]     |
[INFO] [stderr] 207 |             let mut bufreader = BufReader::new(file);
[INFO] [stderr]     |                 ----^^^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/pane.rs:105:55
[INFO] [stderr]     |
[INFO] [stderr] 105 |     fn replace_termsize_getter(&mut self, getter: Box<Fn() -> io::Result<(u16, u16)>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 105 -     fn replace_termsize_getter(&mut self, getter: Box<Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stderr] 105 +     fn replace_termsize_getter(&mut self, getter: Box<dyn Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/pane.rs:765:54
[INFO] [stderr]     |
[INFO] [stderr] 765 |     fn gen_sizer(w: u16, h: u16) -> ((u16, u16), Box<Fn() -> io::Result<(u16, u16)>>) {
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: use `dyn`
[INFO] [stderr]     |
[INFO] [stderr] 765 -     fn gen_sizer(w: u16, h: u16) -> ((u16, u16), Box<Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stderr] 765 +     fn gen_sizer(w: u16, h: u16) -> ((u16, u16), Box<dyn Fn() -> io::Result<(u16, u16)>>) {
[INFO] [stderr]     | 
[INFO] [stderr] 
[INFO] [stderr] warning: `peep` (lib) generated 21 warnings
[INFO] [stderr] warning: `peep` (lib test) generated 23 warnings (21 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peep-fcfaeb6142bc79a9)
[INFO] [stdout] 
[INFO] [stdout] running 21 tests
[INFO] [stdout] test pane::tests::test_goto_horizontal_line ... ok
[INFO] [stdout] test keybind::tests::test_keybind_search ... ok
[INFO] [stdout] test keybind::tests::test_keybind_command ... ok
[INFO] [stdout] test keybind::tests::test_keybind_number ... ok
[INFO] [stdout] test pane::tests::test_goto_vertical_lines ... ok
[INFO] [stdout] test pane::tests::test_limit_bottom_y ... ok
[INFO] [stdout] test pane::tests::test_limit_right_x ... ok
[INFO] [stdout] test pane::tests::test_load ... ok
[INFO] [stdout] test pane::tests::test_range_of_visible_lines ... ok
[INFO] [stdout] test pane::tests::test_scroll_left_right ... ok
[INFO] [stdout] test pane::tests::test_scroll_up_down ... ok
[INFO] [stdout] test pane::tests::test_set_height ... ok
[INFO] [stdout] test pane::tests::test_set_highlight_searcher ... ok
[INFO] [stdout] test pane::tests::test_set_message ... ok
[INFO] [stdout] test pane::tests::test_show_highlight ... ok
[INFO] [stdout] test search::tests::test_plane ... ok
[INFO] [stdout] test pane::tests::test_show_line_number ... ok
[INFO] [stdout] test tab::tests::test_tab ... ok
[INFO] [stdout] test unicode_divide::tests::test_iterator ... ok
[INFO] [stdout] test unicode_divide::tests::test_seek ... ok
[INFO] [stdout] test search::tests::test_regex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 21 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/peep-cd2670ed8e2dba2f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests peep
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/filewatch/mod.rs:24:73
[INFO] [stderr]    |
[INFO] [stderr] 24 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stderr]    |                                                                         ^    ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 24 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>>;
[INFO] [stderr] 24 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>>;
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around type
[INFO] [stderr]   --> /opt/rustwide/workdir/src/filewatch/mod.rs:32:73
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stderr]    |                                                                         ^    ^
[INFO] [stderr]    |
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 32 -     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<(bool)>> {
[INFO] [stderr] 32 +     fn watch(&mut self, timeout: Option<Duration>) -> io::Result<Option<bool>> {
[INFO] [stderr]    | 
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/keybind.rs:129:20
[INFO] [stderr]     |
[INFO] [stderr] 129 |                 '1'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/keybind.rs:175:20
[INFO] [stderr]     |
[INFO] [stderr] 175 |                 '0'...'9' => {
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pane.rs:225:14
[INFO] [stderr]     |
[INFO] [stderr] 225 |             0...2 => format!("{:>2}", line_number + 1),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pane.rs:239:14
[INFO] [stderr]     |
[INFO] [stderr] 239 |             0...2 => "  ".to_owned(),
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pane.rs:448:14
[INFO] [stderr]     |
[INFO] [stderr] 448 |             0...99 => 2,
[INFO] [stderr]     |              ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pane.rs:449:16
[INFO] [stderr]     |
[INFO] [stderr] 449 |             100...999 => 3,
[INFO] [stderr]     |                ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> /opt/rustwide/workdir/src/pane.rs:450:17
[INFO] [stderr]     |
[INFO] [stderr] 450 |             1000...9999 => 4,
[INFO] [stderr]     |                 ^^^ help: use `..=` for an inclusive range
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] 
[INFO] [stderr] warning: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f85714b9dc62c23c960be1ef6649a10f28b13567dd1e11fb146591ccc6079532", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f85714b9dc62c23c960be1ef6649a10f28b13567dd1e11fb146591ccc6079532", kill_on_drop: false }`
[INFO] [stdout] f85714b9dc62c23c960be1ef6649a10f28b13567dd1e11fb146591ccc6079532