[INFO] fetching crate terminal_cli 0.2.0...
[INFO] testing terminal_cli-0.2.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate terminal_cli 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate terminal_cli 0.2.0 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate terminal_cli 0.2.0
[INFO] finished tweaking crates.io crate terminal_cli 0.2.0
[INFO] tweaked toml for crates.io crate terminal_cli 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 015f6cfb5e0a9dd565d6e59312a4103f3ec13a17be56079e23321c9ba1621ce5
[INFO] running `Command { std: "docker" "start" "-a" "015f6cfb5e0a9dd565d6e59312a4103f3ec13a17be56079e23321c9ba1621ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "015f6cfb5e0a9dd565d6e59312a4103f3ec13a17be56079e23321c9ba1621ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015f6cfb5e0a9dd565d6e59312a4103f3ec13a17be56079e23321c9ba1621ce5", kill_on_drop: false }`
[INFO] [stdout] 015f6cfb5e0a9dd565d6e59312a4103f3ec13a17be56079e23321c9ba1621ce5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eba0645707d3e57248626b58266a4fe91d2cc90f04ff0e2dc638ce0890b9e3c5
[INFO] running `Command { std: "docker" "start" "-a" "eba0645707d3e57248626b58266a4fe91d2cc90f04ff0e2dc638ce0890b9e3c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal_cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/property.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(self.validate.validate(&val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/property.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let val = try!(self.input.input(s));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/property.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.a.validate(val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/property.rs:103:3
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.b.validate(val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/utils.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 try!(write.write_str(&s));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/utils.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         try!(write.write_str(" "));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     strings: &'a Strings,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     strings: &'a dyn Strings,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     terminal: &'a mut CharacterTerminalWriter
[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] 26 |     terminal: &'a mut dyn CharacterTerminalWriter
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cli_command.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub terminal: &'b mut CharacterTerminalWriter,
[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] 7 |     pub terminal: &'b mut dyn CharacterTerminalWriter,
[INFO] [stdout]   |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub terminal: &'b mut CharacterTerminalWriter,
[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] 52 |     pub terminal: &'b mut dyn CharacterTerminalWriter,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub strings: &'b Strings
[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] 56 |     pub strings: &'b dyn Strings
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prompt_buffer.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: Box<Strings>
[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] 29 |     strings: Box<dyn Strings>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:135:83
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn new<T: CharacterTerminalWriter>(matcher: CliLineMatcher<'a>, strings: &'a Strings, terminal: &'a mut T) -> 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] 135 |     pub fn new<T: CharacterTerminalWriter>(matcher: CliLineMatcher<'a>, strings: &'a dyn Strings, terminal: &'a mut T) -> Self {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:152:41
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 152 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |     type Target = &'a mut CharacterTerminalWriter;
[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] 158 |     type Target = &'a mut dyn CharacterTerminalWriter;
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn deref<'b>(&'b self) -> &'b &'a mut CharacterTerminalWriter {
[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] 160 |     fn deref<'b>(&'b self) -> &'b &'a mut dyn CharacterTerminalWriter {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_command.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 18 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 66 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/i18n.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn property_invalid_value(&self, f: &mut CharacterTerminalWriter, id: &str, input: &str) -> Result<(), FmtError> {
[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] 7 |     fn property_invalid_value(&self, f: &mut dyn CharacterTerminalWriter, id: &str, input: &str) -> Result<(), FmtError> {
[INFO] [stdout]   |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:48
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:89
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display, min: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:104
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:87
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display, max: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:102
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[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] 19 |     fn property_value_set(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:19:83
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[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] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:23:42
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cmd_not_recognized(&self, f: &mut CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[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] 23 |     fn cmd_not_recognized(&self, f: &mut dyn CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/autocomplete.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let args = args.trim_left().to_string();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let args = args.trim_start().to_string();
[INFO] [stdout]     |                             ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/autocomplete.rs:142:52
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn match_cmd_str<'b>(&mut self, cmd: &'b str, prefix: Option<&'b str>) -> LineMatcherProgress {
[INFO] [stdout]     |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     for i in 0..spaces {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `more_input_required`
[INFO] [stdout]   --> src/keys_terminal.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut more_input_required = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_more_input_required`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/i18n.rs:23:67
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cmd_not_recognized(&self, f: &mut CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/keys_terminal.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut more_input_required = false;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/prompt_buffer.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     let mut matcher = CliLineMatcher::new(&line, LineMatcherMode::Execute);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   self.strings.property_invalid_value(self.terminal, &property_id, &args);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   self.strings.property_value_too_small(self.terminal, &property_id, &val, &min);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   self.strings.property_value_too_big(self.terminal, &property_id, &val, &max);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/cli_property.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 set.common.strings.property_value_set(set.common.terminal, &set.common.id, &set.value);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/prompt_buffer.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   self.strings.cmd_not_recognized(terminal, line.trim());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/prompt_buffer.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   format_in_columns(suggestions.as_slice(), 80, 4, &self.options.newline, terminal);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "eba0645707d3e57248626b58266a4fe91d2cc90f04ff0e2dc638ce0890b9e3c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba0645707d3e57248626b58266a4fe91d2cc90f04ff0e2dc638ce0890b9e3c5", kill_on_drop: false }`
[INFO] [stdout] eba0645707d3e57248626b58266a4fe91d2cc90f04ff0e2dc638ce0890b9e3c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5665e1b6eb37d6df8c9b94dd62a09f3d3431afa1f27e222f591cd1a41b3e8eb0
[INFO] running `Command { std: "docker" "start" "-a" "5665e1b6eb37d6df8c9b94dd62a09f3d3431afa1f27e222f591cd1a41b3e8eb0", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/property.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(self.validate.validate(&val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/property.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let val = try!(self.input.input(s));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/property.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.a.validate(val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/property.rs:103:3
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.b.validate(val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/utils.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 try!(write.write_str(&s));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/utils.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         try!(write.write_str(" "));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     strings: &'a Strings,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     strings: &'a dyn Strings,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     terminal: &'a mut CharacterTerminalWriter
[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] 26 |     terminal: &'a mut dyn CharacterTerminalWriter
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cli_command.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub terminal: &'b mut CharacterTerminalWriter,
[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] 7 |     pub terminal: &'b mut dyn CharacterTerminalWriter,
[INFO] [stdout]   |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub terminal: &'b mut CharacterTerminalWriter,
[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] 52 |     pub terminal: &'b mut dyn CharacterTerminalWriter,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub strings: &'b Strings
[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] 56 |     pub strings: &'b dyn Strings
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prompt_buffer.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: Box<Strings>
[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] 29 |     strings: Box<dyn Strings>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:135:83
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn new<T: CharacterTerminalWriter>(matcher: CliLineMatcher<'a>, strings: &'a Strings, terminal: &'a mut T) -> 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] 135 |     pub fn new<T: CharacterTerminalWriter>(matcher: CliLineMatcher<'a>, strings: &'a dyn Strings, terminal: &'a mut T) -> Self {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:152:41
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 152 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |     type Target = &'a mut CharacterTerminalWriter;
[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] 158 |     type Target = &'a mut dyn CharacterTerminalWriter;
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn deref<'b>(&'b self) -> &'b &'a mut CharacterTerminalWriter {
[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] 160 |     fn deref<'b>(&'b self) -> &'b &'a mut dyn CharacterTerminalWriter {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_command.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 18 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 66 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/i18n.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn property_invalid_value(&self, f: &mut CharacterTerminalWriter, id: &str, input: &str) -> Result<(), FmtError> {
[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] 7 |     fn property_invalid_value(&self, f: &mut dyn CharacterTerminalWriter, id: &str, input: &str) -> Result<(), FmtError> {
[INFO] [stdout]   |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:48
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:89
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display, min: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling terminal_cli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:104
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:87
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display, max: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:102
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[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] 19 |     fn property_value_set(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:19:83
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[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] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:23:42
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cmd_not_recognized(&self, f: &mut CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[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] 23 |     fn cmd_not_recognized(&self, f: &mut dyn CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/autocomplete.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let args = args.trim_left().to_string();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let args = args.trim_start().to_string();
[INFO] [stdout]     |                             ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/autocomplete.rs:142:52
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn match_cmd_str<'b>(&mut self, cmd: &'b str, prefix: Option<&'b str>) -> LineMatcherProgress {
[INFO] [stdout]     |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     for i in 0..spaces {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `more_input_required`
[INFO] [stdout]   --> src/keys_terminal.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut more_input_required = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_more_input_required`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/i18n.rs:23:67
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cmd_not_recognized(&self, f: &mut CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/keys_terminal.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut more_input_required = false;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/prompt_buffer.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     let mut matcher = CliLineMatcher::new(&line, LineMatcherMode::Execute);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   self.strings.property_invalid_value(self.terminal, &property_id, &args);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   self.strings.property_value_too_small(self.terminal, &property_id, &val, &min);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   self.strings.property_value_too_big(self.terminal, &property_id, &val, &max);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/cli_property.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 set.common.strings.property_value_set(set.common.terminal, &set.common.id, &set.value);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/prompt_buffer.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   self.strings.cmd_not_recognized(terminal, line.trim());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/prompt_buffer.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   format_in_columns(suggestions.as_slice(), 80, 4, &self.options.newline, terminal);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 41 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/property.rs:67:3
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(self.validate.validate(&val));
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/property.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let val = try!(self.input.input(s));
[INFO] [stdout]    |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/property.rs:102:3
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.a.validate(val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/property.rs:103:3
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.b.validate(val));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/utils.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |                 try!(write.write_str(&s));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/utils.rs:89:7
[INFO] [stdout]    |
[INFO] [stdout] 89 |                         try!(write.write_str(" "));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `prelude::v1::*`
[INFO] [stdout]    --> src/utils.rs:103:6
[INFO] [stdout]     |
[INFO] [stdout] 103 |     use prelude::v1::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:25:15
[INFO] [stdout]    |
[INFO] [stdout] 25 |     strings: &'a Strings,
[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]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 25 |     strings: &'a dyn Strings,
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli.rs:26:20
[INFO] [stdout]    |
[INFO] [stdout] 26 |     terminal: &'a mut CharacterTerminalWriter
[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] 26 |     terminal: &'a mut dyn CharacterTerminalWriter
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/cli_command.rs:7:24
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub terminal: &'b mut CharacterTerminalWriter,
[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] 7 |     pub terminal: &'b mut dyn CharacterTerminalWriter,
[INFO] [stdout]   |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:52:24
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub terminal: &'b mut CharacterTerminalWriter,
[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] 52 |     pub terminal: &'b mut dyn CharacterTerminalWriter,
[INFO] [stdout]    |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:56:19
[INFO] [stdout]    |
[INFO] [stdout] 56 |     pub strings: &'b Strings
[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] 56 |     pub strings: &'b dyn Strings
[INFO] [stdout]    |                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/prompt_buffer.rs:29:15
[INFO] [stdout]    |
[INFO] [stdout] 29 |     strings: Box<Strings>
[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] 29 |     strings: Box<dyn Strings>
[INFO] [stdout]    |                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:135:83
[INFO] [stdout]     |
[INFO] [stdout] 135 |     pub fn new<T: CharacterTerminalWriter>(matcher: CliLineMatcher<'a>, strings: &'a Strings, terminal: &'a mut T) -> 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] 135 |     pub fn new<T: CharacterTerminalWriter>(matcher: CliLineMatcher<'a>, strings: &'a dyn Strings, terminal: &'a mut T) -> Self {
[INFO] [stdout]     |                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:152:41
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 152 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]     |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:158:24
[INFO] [stdout]     |
[INFO] [stdout] 158 |     type Target = &'a mut CharacterTerminalWriter;
[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] 158 |     type Target = &'a mut dyn CharacterTerminalWriter;
[INFO] [stdout]     |                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/cli.rs:160:43
[INFO] [stdout]     |
[INFO] [stdout] 160 |     fn deref<'b>(&'b self) -> &'b &'a mut CharacterTerminalWriter {
[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] 160 |     fn deref<'b>(&'b self) -> &'b &'a mut dyn CharacterTerminalWriter {
[INFO] [stdout]     |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_command.rs:18:41
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 18 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/cli_property.rs:66:41
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn get_terminal(&mut self) -> &mut CharacterTerminalWriter {
[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] 66 |     pub fn get_terminal(&mut self) -> &mut dyn CharacterTerminalWriter {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]  --> src/i18n.rs:7:46
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn property_invalid_value(&self, f: &mut CharacterTerminalWriter, id: &str, input: &str) -> Result<(), FmtError> {
[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] 7 |     fn property_invalid_value(&self, f: &mut dyn CharacterTerminalWriter, id: &str, input: &str) -> Result<(), FmtError> {
[INFO] [stdout]   |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:48
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:89
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display, min: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:11:104
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &Display) -> Result<(), FmtError> {
[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] 11 |     fn property_value_too_small(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, min: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:46
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:87
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display, max: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:15:102
[INFO] [stdout]    |
[INFO] [stdout] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &Display) -> Result<(), FmtError> {
[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] 15 |     fn property_value_too_big(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display, max: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:19:42
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[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] 19 |     fn property_value_set(&self, f: &mut dyn CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:19:83
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &Display) -> Result<(), FmtError> {
[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] 19 |     fn property_value_set(&self, f: &mut CharacterTerminalWriter, id: &str, val: &dyn Display) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/i18n.rs:23:42
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cmd_not_recognized(&self, f: &mut CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[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] 23 |     fn cmd_not_recognized(&self, f: &mut dyn CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[INFO] [stdout]    |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `core::str::<impl str>::trim_left`: superseded by `trim_start`
[INFO] [stdout]    --> src/autocomplete.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let args = args.trim_left().to_string();
[INFO] [stdout]     |                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 163 |             let args = args.trim_start().to_string();
[INFO] [stdout]     |                             ~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prefix`
[INFO] [stdout]    --> src/autocomplete.rs:142:52
[INFO] [stdout]     |
[INFO] [stdout] 142 |     pub fn match_cmd_str<'b>(&mut self, cmd: &'b str, prefix: Option<&'b str>) -> LineMatcherProgress {
[INFO] [stdout]     |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_prefix`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/utils.rs:88:10
[INFO] [stdout]    |
[INFO] [stdout] 88 |                     for i in 0..spaces {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `more_input_required`
[INFO] [stdout]   --> src/keys_terminal.rs:22:11
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut more_input_required = false;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_more_input_required`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cmd`
[INFO] [stdout]   --> src/i18n.rs:23:67
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn cmd_not_recognized(&self, f: &mut CharacterTerminalWriter, cmd: &str) -> Result<(), FmtError> {
[INFO] [stdout]    |                                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_cmd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/keys_terminal.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let mut more_input_required = false;
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/prompt_buffer.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |                     let mut matcher = CliLineMatcher::new(&line, LineMatcherMode::Execute);
[INFO] [stdout]     |                         ----^^^^^^^
[INFO] [stdout]     |                         |
[INFO] [stdout]     |                         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/tests.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let mut get_matcher = |l, m| { CliLineMatcher::new(l, m) };
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:115:8
[INFO] [stdout]     |
[INFO] [stdout] 115 | ...                   self.strings.property_invalid_value(self.terminal, &property_id, &args);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 | ...                   self.strings.property_value_too_small(self.terminal, &property_id, &val, &min);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/cli.rs:121:8
[INFO] [stdout]     |
[INFO] [stdout] 121 | ...                   self.strings.property_value_too_big(self.terminal, &property_id, &val, &max);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/cli_property.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |                 set.common.strings.property_value_set(set.common.terminal, &set.common.id, &set.value);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/prompt_buffer.rs:145:8
[INFO] [stdout]     |
[INFO] [stdout] 145 | ...                   self.strings.cmd_not_recognized(terminal, line.trim());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/prompt_buffer.rs:218:8
[INFO] [stdout]     |
[INFO] [stdout] 218 | ...                   format_in_columns(suggestions.as_slice(), 80, 4, &self.options.newline, terminal);
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 43 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "5665e1b6eb37d6df8c9b94dd62a09f3d3431afa1f27e222f591cd1a41b3e8eb0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5665e1b6eb37d6df8c9b94dd62a09f3d3431afa1f27e222f591cd1a41b3e8eb0", kill_on_drop: false }`
[INFO] [stdout] 5665e1b6eb37d6df8c9b94dd62a09f3d3431afa1f27e222f591cd1a41b3e8eb0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619
[INFO] running `Command { std: "docker" "start" "-a" "e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619", kill_on_drop: false }`
[INFO] [stderr] time="2023-04-30T06:17:00Z" level=error msg="error waiting for container: context canceled"
[INFO] [stderr] Error response from daemon: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: unable to apply cgroup configuration: unable to start unit "docker-e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619.scope" (properties [{Name:Description Value:"libcontainer container e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619"} {Name:Slice Value:"system.slice"} {Name:Delegate Value:true} {Name:PIDs Value:@au [1125747]} {Name:MemoryAccounting Value:true} {Name:CPUAccounting Value:true} {Name:IOAccounting Value:true} {Name:TasksAccounting Value:true} {Name:DefaultDependencies Value:false}]): Message recipient disconnected from message bus without replying: unknown
[INFO] running `Command { std: "docker" "inspect" "e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619", kill_on_drop: false }`
[INFO] [stdout] e3175b78b04aeeeab99274c03485eb2fbccd79de6f56709bbe596d3efe47b619
