[INFO] fetching crate rustty 0.1.12...
[INFO] testing rustty-0.1.12 against nightly-2024-10-28+rustflags=-Zrandomize-layout for randomize-layout
[INFO] extracting crate rustty 0.1.12 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate rustty 0.1.12 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rustty 0.1.12
[INFO] finished tweaking crates.io crate rustty 0.1.12
[INFO] tweaked toml for crates.io crate rustty 0.1.12 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding gag v0.1.10 (available: v1.0.0)
[INFO] [stderr]       Adding term v0.4.6 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5f17632764c6ebc1f403a794c32711c5ee1d11c3c8ad5d05d4c2d88beb456744
[INFO] running `Command { std: "docker" "start" "-a" "5f17632764c6ebc1f403a794c32711c5ee1d11c3c8ad5d05d4c2d88beb456744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5f17632764c6ebc1f403a794c32711c5ee1d11c3c8ad5d05d4c2d88beb456744", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f17632764c6ebc1f403a794c32711c5ee1d11c3c8ad5d05d4c2d88beb456744", kill_on_drop: false }`
[INFO] [stdout] 5f17632764c6ebc1f403a794c32711c5ee1d11c3c8ad5d05d4c2d88beb456744
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d1be65ddf90d2ada6b04ca2ac4691fa1a022d3575a07ab4eff182b62197aa508
[INFO] running `Command { std: "docker" "start" "-a" "d1be65ddf90d2ada6b04ca2ac4691fa1a022d3575a07ab4eff182b62197aa508", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]    Compiling rustix v0.38.38
[INFO] [stderr]    Compiling linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling tempfile v3.13.0
[INFO] [stderr]    Compiling gag v0.1.10
[INFO] [stderr]    Compiling rustty v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(termctl.set());
[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/core/terminal.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::EnterCa)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::HideCursor)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(terminal.resize_with_cell(cell));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:123:22
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let driver = try!(Driver::new());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tty = try!(OpenOptions::new()
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:143:23
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let termctl = try!(TermCtl::new(rawtty));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     try!(self.send_style(cell));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     try!(self.send_char(Some((x, y)), cell.ch()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(self.resize_with_cell(cell));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::ShowCursor)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:437:13
[INFO] [stdout]     |
[INFO] [stdout] 437 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::HideCursor)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:465:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let nevts = try!(self.read_events(timeout));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetCursor(cx, cy))));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         try!(write!(self.outbuffer, "{}", ch));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 |             try!(self.send_cursor());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         try!(self.outbuffer.write_all(&self.driver.get(DevFn::Clear)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reset)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |             try!(self.write_sgr(cell.fg(), cell.bg()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:509:31
[INFO] [stdout]     |
[INFO] [stdout] 509 |                 Attr::Bold => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Bold))),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:511:21
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     try!(self.outbuffer.write_all(&self.driver.get(DevFn::Underline)))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:513:34
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 Attr::Reverse => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reverse))),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:527:17
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetFg(fgc.as_byte()))));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:533:17
[INFO] [stdout]     |
[INFO] [stdout] 533 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetBg(bgc.as_byte()))));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         try!(self.send_style(blank));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:552:9
[INFO] [stdout]     |
[INFO] [stdout] 552 |         try!(self.send_clear());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:545:28
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let (cols, rows) = try!(self.termctl.window_size());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:608:13
[INFO] [stdout]     |
[INFO] [stdout] 608 |             try!(self.tty.read_to_string(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         try!(self.tty.write_all(&self.outbuffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/driver.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let tinfo = try!(get_tinfo());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/core/terminal.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/terminal.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 | static SIGWINCH_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 25 | static SIGWINCH_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]    |                                      ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/terminal.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 | static RUSTTY_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 30 | static RUSTTY_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]    |                                    ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/core/termctl.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/core/termctl.rs:51:51
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |     elems: Vec<&'a mut Alignable>,
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     elems: Vec<&'a mut dyn Alignable>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn halign(&mut self, parent: &HasSize, halign: HorizontalAlign, margin: usize) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn halign(&mut self, parent: &dyn HasSize, halign: HorizontalAlign, margin: usize) {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn valign(&mut self, parent: &HasSize, valign: VerticalAlign, margin: usize) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn valign(&mut self, parent: &dyn HasSize, valign: VerticalAlign, margin: usize) {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |              parent: &HasSize,
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |              parent: &dyn HasSize,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(elems: Vec<&mut Alignable>, inner_margin: usize) -> HorizontalLayout {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(elems: Vec<&mut dyn Alignable>, inner_margin: usize) -> HorizontalLayout {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/widget.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn draw_into(&self, cells: &mut CellAccessor) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn draw_into(&self, cells: &mut dyn CellAccessor) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/dialog.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fn f(b: &mut Widget) -> &mut Alignable {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fn f(b: &mut Widget) -> &mut dyn Alignable {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if RUSTTY_STATUS.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:277:28
[INFO] [stdout]     |
[INFO] [stdout] 277 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:397:28
[INFO] [stdout]     |
[INFO] [stdout] 397 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `termios` does not permit being left uninitialized
[INFO] [stdout]   --> src/core/termctl.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    this code causes undefined behavior when executed
[INFO] [stdout]    |                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `winsize` does not permit being left uninitialized
[INFO] [stdout]   --> src/core/termctl.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              this code causes undefined behavior when executed
[INFO] [stdout]    |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "d1be65ddf90d2ada6b04ca2ac4691fa1a022d3575a07ab4eff182b62197aa508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1be65ddf90d2ada6b04ca2ac4691fa1a022d3575a07ab4eff182b62197aa508", kill_on_drop: false }`
[INFO] [stdout] d1be65ddf90d2ada6b04ca2ac4691fa1a022d3575a07ab4eff182b62197aa508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2794b5f23685ceb1f78deeeac964e7f22e3bbd911facfed8cf8af11f0bbb70
[INFO] running `Command { std: "docker" "start" "-a" "dd2794b5f23685ceb1f78deeeac964e7f22e3bbd911facfed8cf8af11f0bbb70", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(termctl.set());
[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/core/terminal.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::EnterCa)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::HideCursor)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(terminal.resize_with_cell(cell));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:123:22
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let driver = try!(Driver::new());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tty = try!(OpenOptions::new()
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:143:23
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let termctl = try!(TermCtl::new(rawtty));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     try!(self.send_style(cell));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     try!(self.send_char(Some((x, y)), cell.ch()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(self.resize_with_cell(cell));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::ShowCursor)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:437:13
[INFO] [stdout]     |
[INFO] [stdout] 437 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::HideCursor)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:465:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let nevts = try!(self.read_events(timeout));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetCursor(cx, cy))));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         try!(write!(self.outbuffer, "{}", ch));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 |             try!(self.send_cursor());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         try!(self.outbuffer.write_all(&self.driver.get(DevFn::Clear)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reset)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |             try!(self.write_sgr(cell.fg(), cell.bg()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:509:31
[INFO] [stdout]     |
[INFO] [stdout] 509 |                 Attr::Bold => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Bold))),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:511:21
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     try!(self.outbuffer.write_all(&self.driver.get(DevFn::Underline)))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:513:34
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 Attr::Reverse => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reverse))),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:527:17
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetFg(fgc.as_byte()))));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:533:17
[INFO] [stdout]     |
[INFO] [stdout] 533 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetBg(bgc.as_byte()))));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         try!(self.send_style(blank));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:552:9
[INFO] [stdout]     |
[INFO] [stdout] 552 |         try!(self.send_clear());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:545:28
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let (cols, rows) = try!(self.termctl.window_size());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:608:13
[INFO] [stdout]     |
[INFO] [stdout] 608 |             try!(self.tty.read_to_string(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         try!(self.tty.write_all(&self.outbuffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/driver.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let tinfo = try!(get_tinfo());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/core/terminal.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/terminal.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 | static SIGWINCH_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 25 | static SIGWINCH_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]    |                                      ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/terminal.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 | static RUSTTY_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 30 | static RUSTTY_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]    |                                    ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/core/termctl.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/core/termctl.rs:51:51
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |     elems: Vec<&'a mut Alignable>,
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     elems: Vec<&'a mut dyn Alignable>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn halign(&mut self, parent: &HasSize, halign: HorizontalAlign, margin: usize) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn halign(&mut self, parent: &dyn HasSize, halign: HorizontalAlign, margin: usize) {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn valign(&mut self, parent: &HasSize, valign: VerticalAlign, margin: usize) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn valign(&mut self, parent: &dyn HasSize, valign: VerticalAlign, margin: usize) {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |              parent: &HasSize,
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |              parent: &dyn HasSize,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(elems: Vec<&mut Alignable>, inner_margin: usize) -> HorizontalLayout {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(elems: Vec<&mut dyn Alignable>, inner_margin: usize) -> HorizontalLayout {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/widget.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn draw_into(&self, cells: &mut CellAccessor) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn draw_into(&self, cells: &mut dyn CellAccessor) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/dialog.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fn f(b: &mut Widget) -> &mut Alignable {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fn f(b: &mut Widget) -> &mut dyn Alignable {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if RUSTTY_STATUS.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:277:28
[INFO] [stdout]     |
[INFO] [stdout] 277 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:397:28
[INFO] [stdout]     |
[INFO] [stdout] 397 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `termios` does not permit being left uninitialized
[INFO] [stdout]   --> src/core/termctl.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    this code causes undefined behavior when executed
[INFO] [stdout]    |                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rustty v0.1.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `winsize` does not permit being left uninitialized
[INFO] [stdout]   --> src/core/termctl.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              this code causes undefined behavior when executed
[INFO] [stdout]    |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/circle.rs:57:17
[INFO] [stdout]    |
[INFO] [stdout] 57 |             let mut cell = canvas.get_mut(x as usize, y as usize).unwrap();
[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: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(termctl.set());
[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/core/terminal.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::EnterCa)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 166 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::HideCursor)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:170:9
[INFO] [stdout]     |
[INFO] [stdout] 170 |         try!(terminal.resize_with_cell(cell));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:123:22
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let driver = try!(Driver::new());
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:126:19
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let tty = try!(OpenOptions::new()
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:143:23
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let termctl = try!(TermCtl::new(rawtty));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:208:9
[INFO] [stdout]     |
[INFO] [stdout] 208 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:189:13
[INFO] [stdout]     |
[INFO] [stdout] 189 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |                     try!(self.send_style(cell));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:202:21
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     try!(self.send_char(Some((x, y)), cell.ch()));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:303:13
[INFO] [stdout]     |
[INFO] [stdout] 303 |             try!(self.resize());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:398:13
[INFO] [stdout]     |
[INFO] [stdout] 398 |             try!(self.resize_with_cell(cell));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:420:9
[INFO] [stdout]     |
[INFO] [stdout] 420 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:417:13
[INFO] [stdout]     |
[INFO] [stdout] 417 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::ShowCursor)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:437:13
[INFO] [stdout]     |
[INFO] [stdout] 437 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::HideCursor)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:465:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |             let nevts = try!(self.read_events(timeout));
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:481:13
[INFO] [stdout]     |
[INFO] [stdout] 481 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetCursor(cx, cy))));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:491:9
[INFO] [stdout]     |
[INFO] [stdout] 491 |         try!(write!(self.outbuffer, "{}", ch));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 |             try!(self.send_cursor());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:496:9
[INFO] [stdout]     |
[INFO] [stdout] 496 |         try!(self.outbuffer.write_all(&self.driver.get(DevFn::Clear)));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:497:9
[INFO] [stdout]     |
[INFO] [stdout] 497 |         try!(self.send_cursor());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:498:9
[INFO] [stdout]     |
[INFO] [stdout] 498 |         try!(self.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:506:13
[INFO] [stdout]     |
[INFO] [stdout] 506 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reset)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:517:13
[INFO] [stdout]     |
[INFO] [stdout] 517 |             try!(self.write_sgr(cell.fg(), cell.bg()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:509:31
[INFO] [stdout]     |
[INFO] [stdout] 509 |                 Attr::Bold => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Bold))),
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:511:21
[INFO] [stdout]     |
[INFO] [stdout] 511 |                     try!(self.outbuffer.write_all(&self.driver.get(DevFn::Underline)))
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:513:34
[INFO] [stdout]     |
[INFO] [stdout] 513 |                 Attr::Reverse => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reverse))),
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:527:17
[INFO] [stdout]     |
[INFO] [stdout] 527 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetFg(fgc.as_byte()))));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:533:17
[INFO] [stdout]     |
[INFO] [stdout] 533 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetBg(bgc.as_byte()))));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:551:9
[INFO] [stdout]     |
[INFO] [stdout] 551 |         try!(self.send_style(blank));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:552:9
[INFO] [stdout]     |
[INFO] [stdout] 552 |         try!(self.send_clear());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:545:28
[INFO] [stdout]     |
[INFO] [stdout] 545 |         let (cols, rows) = try!(self.termctl.window_size());
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:608:13
[INFO] [stdout]     |
[INFO] [stdout] 608 |             try!(self.tty.read_to_string(&mut buf));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/terminal.rs:620:9
[INFO] [stdout]     |
[INFO] [stdout] 620 |         try!(self.tty.write_all(&self.outbuffer));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/core/driver.rs:147:21
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let tinfo = try!(get_tinfo());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]  --> src/core/terminal.rs:7:47
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stdout]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/terminal.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 | static SIGWINCH_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 25 | static SIGWINCH_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]    |                                      ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/core/terminal.rs:30:36
[INFO] [stdout]    |
[INFO] [stdout] 30 | static RUSTTY_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: replace the use of the deprecated constant
[INFO] [stdout]    |
[INFO] [stdout] 30 | static RUSTTY_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stdout]    |                                    ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/core/termctl.rs:15:41
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/core/termctl.rs:51:51
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:54:24
[INFO] [stdout]    |
[INFO] [stdout] 54 |     elems: Vec<&'a mut Alignable>,
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 54 |     elems: Vec<&'a mut dyn Alignable>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn halign(&mut self, parent: &HasSize, halign: HorizontalAlign, margin: usize) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn halign(&mut self, parent: &dyn HasSize, halign: HorizontalAlign, margin: usize) {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:28:35
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn valign(&mut self, parent: &HasSize, valign: VerticalAlign, margin: usize) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn valign(&mut self, parent: &dyn HasSize, valign: VerticalAlign, margin: usize) {
[INFO] [stdout]    |                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:41:23
[INFO] [stdout]    |
[INFO] [stdout] 41 |              parent: &HasSize,
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |              parent: &dyn HasSize,
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/layout.rs:58:32
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(elems: Vec<&mut Alignable>, inner_margin: usize) -> HorizontalLayout {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn new(elems: Vec<&mut dyn Alignable>, inner_margin: usize) -> HorizontalLayout {
[INFO] [stdout]    |                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/widget.rs:20:41
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn draw_into(&self, cells: &mut CellAccessor) {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 20 |     pub fn draw_into(&self, cells: &mut dyn CellAccessor) {
[INFO] [stdout]    |                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ui/dialog.rs:52:38
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fn f(b: &mut Widget) -> &mut Alignable {
[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: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |         fn f(b: &mut Widget) -> &mut dyn Alignable {
[INFO] [stdout]    |                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:119:26
[INFO] [stdout]     |
[INFO] [stdout] 119 |         if RUSTTY_STATUS.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:188:28
[INFO] [stdout]     |
[INFO] [stdout] 188 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:277:28
[INFO] [stdout]     |
[INFO] [stdout] 277 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:302:28
[INFO] [stdout]     |
[INFO] [stdout] 302 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/core/terminal.rs:397:28
[INFO] [stdout]     |
[INFO] [stdout] 397 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `termios` does not permit being left uninitialized
[INFO] [stdout]   --> src/core/termctl.rs:15:36
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    this code causes undefined behavior when executed
[INFO] [stdout]    |                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `winsize` does not permit being left uninitialized
[INFO] [stdout]   --> src/core/termctl.rs:51:46
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                              |
[INFO] [stdout]    |                                              this code causes undefined behavior when executed
[INFO] [stdout]    |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "dd2794b5f23685ceb1f78deeeac964e7f22e3bbd911facfed8cf8af11f0bbb70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2794b5f23685ceb1f78deeeac964e7f22e3bbd911facfed8cf8af11f0bbb70", kill_on_drop: false }`
[INFO] [stdout] dd2794b5f23685ceb1f78deeeac964e7f22e3bbd911facfed8cf8af11f0bbb70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zrandomize-layout" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ffbad88631a2d2c0c0bb1748ec768a7e19f2a55e5f878691dd74c54f9915e33
[INFO] running `Command { std: "docker" "start" "-a" "0ffbad88631a2d2c0c0bb1748ec768a7e19f2a55e5f878691dd74c54f9915e33", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(termctl.set());
[INFO] [stderr]     |         ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:163:9
[INFO] [stderr]     |
[INFO] [stderr] 163 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::EnterCa)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 |         try!(terminal.outbuffer.write_all(&terminal.driver.get(DevFn::HideCursor)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:170:9
[INFO] [stderr]     |
[INFO] [stderr] 170 |         try!(terminal.resize_with_cell(cell));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:123:22
[INFO] [stderr]     |
[INFO] [stderr] 123 |         let driver = try!(Driver::new());
[INFO] [stderr]     |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:126:19
[INFO] [stderr]     |
[INFO] [stderr] 126 |         let tty = try!(OpenOptions::new()
[INFO] [stderr]     |                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:143:23
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let termctl = try!(TermCtl::new(rawtty));
[INFO] [stderr]     |                       ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         try!(self.send_cursor());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:208:9
[INFO] [stderr]     |
[INFO] [stderr] 208 |         try!(self.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:189:13
[INFO] [stderr]     |
[INFO] [stderr] 189 |             try!(self.resize());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:201:21
[INFO] [stderr]     |
[INFO] [stderr] 201 |                     try!(self.send_style(cell));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:202:21
[INFO] [stderr]     |
[INFO] [stderr] 202 |                     try!(self.send_char(Some((x, y)), cell.ch()));
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |             try!(self.resize());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:278:13
[INFO] [stderr]     |
[INFO] [stderr] 278 |             try!(self.resize());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:303:13
[INFO] [stderr]     |
[INFO] [stderr] 303 |             try!(self.resize());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:398:13
[INFO] [stderr]     |
[INFO] [stderr] 398 |             try!(self.resize_with_cell(cell));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         try!(self.send_cursor());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:417:13
[INFO] [stderr]     |
[INFO] [stderr] 417 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::ShowCursor)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:437:13
[INFO] [stderr]     |
[INFO] [stderr] 437 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::HideCursor)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:465:25
[INFO] [stderr]     |
[INFO] [stderr] 465 |             let nevts = try!(self.read_events(timeout));
[INFO] [stderr]     |                         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:481:13
[INFO] [stderr]     |
[INFO] [stderr] 481 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetCursor(cx, cy))));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:491:9
[INFO] [stderr]     |
[INFO] [stderr] 491 |         try!(write!(self.outbuffer, "{}", ch));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:489:13
[INFO] [stderr]     |
[INFO] [stderr] 489 |             try!(self.send_cursor());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:496:9
[INFO] [stderr]     |
[INFO] [stderr] 496 |         try!(self.outbuffer.write_all(&self.driver.get(DevFn::Clear)));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:497:9
[INFO] [stderr]     |
[INFO] [stderr] 497 |         try!(self.send_cursor());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:498:9
[INFO] [stderr]     |
[INFO] [stderr] 498 |         try!(self.flush());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:506:13
[INFO] [stderr]     |
[INFO] [stderr] 506 |             try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reset)));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:517:13
[INFO] [stderr]     |
[INFO] [stderr] 517 |             try!(self.write_sgr(cell.fg(), cell.bg()));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:509:31
[INFO] [stderr]     |
[INFO] [stderr] 509 |                 Attr::Bold => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Bold))),
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:511:21
[INFO] [stderr]     |
[INFO] [stderr] 511 |                     try!(self.outbuffer.write_all(&self.driver.get(DevFn::Underline)))
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:513:34
[INFO] [stderr]     |
[INFO] [stderr] 513 |                 Attr::Reverse => try!(self.outbuffer.write_all(&self.driver.get(DevFn::Reverse))),
[INFO] [stderr]     |                                  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:527:17
[INFO] [stderr]     |
[INFO] [stderr] 527 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetFg(fgc.as_byte()))));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:533:17
[INFO] [stderr]     |
[INFO] [stderr] 533 |                 try!(self.outbuffer.write_all(&self.driver.get(DevFn::SetBg(bgc.as_byte()))));
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:551:9
[INFO] [stderr]     |
[INFO] [stderr] 551 |         try!(self.send_style(blank));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:552:9
[INFO] [stderr]     |
[INFO] [stderr] 552 |         try!(self.send_clear());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:545:28
[INFO] [stderr]     |
[INFO] [stderr] 545 |         let (cols, rows) = try!(self.termctl.window_size());
[INFO] [stderr]     |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:608:13
[INFO] [stderr]     |
[INFO] [stderr] 608 |             try!(self.tty.read_to_string(&mut buf));
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/terminal.rs:620:9
[INFO] [stderr]     |
[INFO] [stderr] 620 |         try!(self.tty.write_all(&self.outbuffer));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/core/driver.rs:147:21
[INFO] [stderr]     |
[INFO] [stderr] 147 |         let tinfo = try!(get_tinfo());
[INFO] [stderr]     |                     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stderr]  --> src/core/terminal.rs:7:47
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/core/terminal.rs:25:38
[INFO] [stderr]    |
[INFO] [stderr] 25 | static SIGWINCH_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: replace the use of the deprecated constant
[INFO] [stderr]    |
[INFO] [stderr] 25 | static SIGWINCH_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]    |                                      ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated constant `std::sync::atomic::ATOMIC_BOOL_INIT`: the `new` function is now preferred
[INFO] [stderr]   --> src/core/terminal.rs:30:36
[INFO] [stderr]    |
[INFO] [stderr] 30 | static RUSTTY_STATUS: AtomicBool = ATOMIC_BOOL_INIT;
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: replace the use of the deprecated constant
[INFO] [stderr]    |
[INFO] [stderr] 30 | static RUSTTY_STATUS: AtomicBool = AtomicBool::new(false);
[INFO] [stderr]    |                                    ~~~~~~~~~~~~~~~~~~~~~~
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/core/termctl.rs:15:41
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/core/termctl.rs:51:51
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/layout.rs:54:24
[INFO] [stderr]    |
[INFO] [stderr] 54 |     elems: Vec<&'a mut Alignable>,
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 54 |     elems: Vec<&'a mut dyn Alignable>,
[INFO] [stderr]    |                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/layout.rs:16:35
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn halign(&mut self, parent: &HasSize, halign: HorizontalAlign, margin: usize) {
[INFO] [stderr]    |                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn halign(&mut self, parent: &dyn HasSize, halign: HorizontalAlign, margin: usize) {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/layout.rs:28:35
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn valign(&mut self, parent: &HasSize, valign: VerticalAlign, margin: usize) {
[INFO] [stderr]    |                                   ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn valign(&mut self, parent: &dyn HasSize, valign: VerticalAlign, margin: usize) {
[INFO] [stderr]    |                                   +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/layout.rs:41:23
[INFO] [stderr]    |
[INFO] [stderr] 41 |              parent: &HasSize,
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 41 |              parent: &dyn HasSize,
[INFO] [stderr]    |                       +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/layout.rs:58:32
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn new(elems: Vec<&mut Alignable>, inner_margin: usize) -> HorizontalLayout {
[INFO] [stderr]    |                                ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 58 |     pub fn new(elems: Vec<&mut dyn Alignable>, inner_margin: usize) -> HorizontalLayout {
[INFO] [stderr]    |                                +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/widget.rs:20:41
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn draw_into(&self, cells: &mut CellAccessor) {
[INFO] [stderr]    |                                         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn draw_into(&self, cells: &mut dyn CellAccessor) {
[INFO] [stderr]    |                                         +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/ui/dialog.rs:52:38
[INFO] [stderr]    |
[INFO] [stderr] 52 |         fn f(b: &mut Widget) -> &mut Alignable {
[INFO] [stderr]    |                                      ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 52 |         fn f(b: &mut Widget) -> &mut dyn Alignable {
[INFO] [stderr]    |                                      +++
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/core/terminal.rs:119:26
[INFO] [stderr]     |
[INFO] [stderr] 119 |         if RUSTTY_STATUS.compare_and_swap(false, true, Ordering::SeqCst) {
[INFO] [stderr]     |                          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/core/terminal.rs:188:28
[INFO] [stderr]     |
[INFO] [stderr] 188 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/core/terminal.rs:255:28
[INFO] [stderr]     |
[INFO] [stderr] 255 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/core/terminal.rs:277:28
[INFO] [stderr]     |
[INFO] [stderr] 277 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/core/terminal.rs:302:28
[INFO] [stderr]     |
[INFO] [stderr] 302 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stderr]    --> src/core/terminal.rs:397:28
[INFO] [stderr]     |
[INFO] [stderr] 397 |         if SIGWINCH_STATUS.compare_and_swap(true, false, Ordering::SeqCst) {
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the type `termios` does not permit being left uninitialized
[INFO] [stderr]   --> src/core/termctl.rs:15:36
[INFO] [stderr]    |
[INFO] [stderr] 15 |         let mut termios = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                    |
[INFO] [stderr]    |                                    this code causes undefined behavior when executed
[INFO] [stderr]    |                                    help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `winsize` does not permit being left uninitialized
[INFO] [stderr]   --> src/core/termctl.rs:51:46
[INFO] [stderr]    |
[INFO] [stderr] 51 |         let mut ws: libc::winsize = unsafe { mem::uninitialized() };
[INFO] [stderr]    |                                              ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                              |
[INFO] [stderr]    |                                              this code causes undefined behavior when executed
[INFO] [stderr]    |                                              help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: `rustty` (lib) generated 59 warnings (run `cargo fix --lib -p rustty` to apply 9 suggestions)
[INFO] [stderr] warning: `rustty` (lib test) generated 59 warnings (59 duplicates)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/circle.rs:57:17
[INFO] [stderr]    |
[INFO] [stderr] 57 |             let mut cell = canvas.get_mut(x as usize, y as usize).unwrap();
[INFO] [stderr]    |                 ----^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rustty` (example "circle") generated 1 warning (run `cargo fix --example "circle"` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustty-1fd3d9ae126949b2)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rustty
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::CellAccessor::get_mut (line 52) - compile ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::CellAccessor::get (line 33) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::check_resize (line 316) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal (line 43) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::clear (line 244) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::clear_with_cell (line 288) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::clear_with_char (line 266) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::cols (line 216) - compile ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Attr (line 421) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Color (line 366) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::set_ch (line 248) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::default (line 341) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::new (line 178) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::with_char (line 200) ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::get_event (line 452) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::new (line 80) - compile ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::ch (line 234) ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::hide_cursor (line 428) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::rows (line 230) - compile ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::set_fg (line 280) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::with_style (line 217) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::set_bg (line 312) ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::bg (line 298) ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::set_cursor (line 408) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::swap_buffers (line 180) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::size (line 636) - compile ... ok
[INFO] [stdout] test src/core/cellbuffer.rs - core::cellbuffer::Cell::fg (line 266) ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::try_resize (line 349) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::try_resize_with_char (line 367) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::with_cell (line 109) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::try_resize_with_cell (line 385) - compile ... ok
[INFO] [stdout] test src/core/terminal.rs - core::terminal::Terminal::with_char (line 95) - compile ... ok
[INFO] [stdout] test src/ui/painter.rs - ui::painter::Painter::printline_with_cell (line 18) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/ui/painter.rs - ui::painter::Painter::printline_with_cell (line 18) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/ui/painter.rs:8:32:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Custom { kind: NotFound, error: "terminal missing capability: 'smcup'" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5738f14d5b8a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x5738f14d5b8a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x5738f14d5b8a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5738f14d5b8a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5738f14f2ca3 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x5738f14f2ca3 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x5738f14d2f83 - std::io::Write::write_fmt::hf1c1dcc8cc1287f0
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x5738f14d59d2 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x5738f14d699c - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x5738f14d67e2 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x5738f14d6f97 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x5738f14d6e2a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x5738f14d6069 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x5738f14d6abc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x5738f14f1e50 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   15:     0x5738f14f2266 - core::result::unwrap_failed::h5e8218e4d4338b8a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/result.rs:1698:5
[INFO] [stdout]   16:     0x5738f147791e - rust_out::main::_doctest_main_src_ui_painter_rs_18_0::hec259ab64b3210f9
[INFO] [stdout]   17:     0x5738f14778a6 - rust_out::main::ha213a30daa5df4da
[INFO] [stdout]   18:     0x5738f1477583 - core::ops::function::FnOnce::call_once::hf7edf7132571051c
[INFO] [stdout]   19:     0x5738f1477526 - std::sys::backtrace::__rust_begin_short_backtrace::h32fd822fd2ba4079
[INFO] [stdout]   20:     0x5738f1477509 - std::rt::lang_start::{{closure}}::h4039a1c394ed4f7c
[INFO] [stdout]   21:     0x5738f14cfff7 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd87d66b906e0ccaf
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   22:     0x5738f14cfff7 - std::panicking::try::do_call::hae3703de71fc9e3a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   23:     0x5738f14cfff7 - std::panicking::try::h1178330e9a2b2645
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   24:     0x5738f14cfff7 - std::panic::catch_unwind::h0acf49d2305d32ad
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   25:     0x5738f14cfff7 - std::rt::lang_start_internal::{{closure}}::h2d95182d798177be
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:48
[INFO] [stdout]   26:     0x5738f14cfff7 - std::panicking::try::do_call::hb506f5bfe11fd30c
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   27:     0x5738f14cfff7 - std::panicking::try::h54d825c46bd0fa95
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   28:     0x5738f14cfff7 - std::panic::catch_unwind::hffbb0ad20c4e9fac
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   29:     0x5738f14cfff7 - std::rt::lang_start_internal::h52c291ef1962c925
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:20
[INFO] [stdout]   30:     0x5738f14774e7 - std::rt::lang_start::h8c6075cd6f225ba1
[INFO] [stdout]   31:     0x5738f1477a85 - main
[INFO] [stdout]   32:     0x708229621d90 - <unknown>
[INFO] [stdout]   33:     0x708229621e40 - __libc_start_main
[INFO] [stdout]   34:     0x5738f14773f5 - _start
[INFO] [stdout]   35:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/ui/painter.rs - ui::painter::Painter::printline_with_cell (line 18)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 32 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.34s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "0ffbad88631a2d2c0c0bb1748ec768a7e19f2a55e5f878691dd74c54f9915e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffbad88631a2d2c0c0bb1748ec768a7e19f2a55e5f878691dd74c54f9915e33", kill_on_drop: false }`
[INFO] [stdout] 0ffbad88631a2d2c0c0bb1748ec768a7e19f2a55e5f878691dd74c54f9915e33
