[INFO] fetching crate tcalc-rustyline 1.0.2...
[INFO] building tcalc-rustyline-1.0.2 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate tcalc-rustyline 1.0.2 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate tcalc-rustyline 1.0.2 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tcalc-rustyline 1.0.2
[INFO] finished tweaking crates.io crate tcalc-rustyline 1.0.2
[INFO] tweaked toml for crates.io crate tcalc-rustyline 1.0.2 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d0f243eba82964ff2f7dca4c7a4ed29a68e3ec8ce7554ec7c5ace9f1941d67fc
[INFO] running `Command { std: "docker" "start" "-a" "d0f243eba82964ff2f7dca4c7a4ed29a68e3ec8ce7554ec7c5ace9f1941d67fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0f243eba82964ff2f7dca4c7a4ed29a68e3ec8ce7554ec7c5ace9f1941d67fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0f243eba82964ff2f7dca4c7a4ed29a68e3ec8ce7554ec7c5ace9f1941d67fc", kill_on_drop: false }`
[INFO] [stdout] d0f243eba82964ff2f7dca4c7a4ed29a68e3ec8ce7554ec7c5ace9f1941d67fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e121f9bd14503c6938c4ebdbd9cba5a6852fd78a2ec2f1d31ec9257d2b176f7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e121f9bd14503c6938c4ebdbd9cba5a6852fd78a2ec2f1d31ec9257d2b176f7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling bitflags v0.4.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling encode_unicode v0.1.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling tcalc-rustyline v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `match_same_arms`
[INFO] [stdout]   --> src/consts.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[allow(match_same_arms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/completion.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let matches = try!(filename_complete(&path, ESCAPE_CHAR, &self.break_chars));
[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/completion.rs:179:18
[INFO] [stdout]     |
[INFO] [stdout] 179 |     for entry in try!(dir.read_dir()) {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/completion.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let entry = try!(entry);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/completion.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 if try!(fs::metadata(entry.path())).is_dir() {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let file = try!(f);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(wtr.write_all(&entry.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             try!(wtr.write_all(b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let file = try!(File::open(&path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |             self.add(try!(line)); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/char_iter.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tty/mod.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn clear_screen(&mut self, w: &mut Write) -> Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tty/unix.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, self));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |         match try!(self.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:106:26
[INFO] [stdout]     |
[INFO] [stdout] 106 |             '[' => match try!(self.next_char()) {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 '1' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:108:34
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     ';' => match try!(self.next_char()) {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         '3' => match try!(self.next_char()) {
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         '5' => match try!(self.next_char()) {
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:132:30
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 '3' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 '4' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:140:30
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 '5' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:144:30
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 '6' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:148:30
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 '7' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:152:30
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 '8' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:164:26
[INFO] [stdout]     |
[INFO] [stdout] 164 |             'O' => match try!(self.next_char()) {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let c = try!(self.next_char());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:207:27
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     key = try!(self.escape_sequence())
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:218:27
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Some(c) => Ok(try!(c)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:299:29
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let original_mode = try!(termios::tcgetattr(STDIN_FILENO));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(w.write_all(b"\x1b[H\x1b[2J"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(w.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty/unix.rs:326:40
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn clear_screen(&mut self, w: &mut Write) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |     out: &'out mut Write,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn new(out: &'out mut Write,
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     try!(w.write_all(buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     try!(w.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn write_and_flush(w: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]     |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:421:31
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let (start, candidates) = try!(completer.complete(&s.line, s.line.pos()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(beep());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:439:17
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:443:19
[INFO] [stdout]     |
[INFO] [stdout] 443 |             key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:448:25
[INFO] [stdout]     |
[INFO] [stdout] 448 |                         try!(beep());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:455:25
[INFO] [stdout]     |
[INFO] [stdout] 455 |                         try!(s.refresh_line());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |             try!(beep());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:482:23
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let mut key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         try!(edit_move_end(s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |             try!(write_and_flush(s.out, msg.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:500:23
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |             try!(s.refresh_line());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:417:44
[INFO] [stdout]     |
[INFO] [stdout] 417 | ...                   completer: &Completer,
[INFO] [stdout]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Completer`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 |             try!(write_and_flush(s.out, b"\n--More--"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:548:23
[INFO] [stdout]     |
[INFO] [stdout] 548 |                 key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:561:13
[INFO] [stdout]     |
[INFO] [stdout] 561 |             try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:563:13
[INFO] [stdout]     |
[INFO] [stdout] 563 |             try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:579:9
[INFO] [stdout]     |
[INFO] [stdout] 579 |         try!(write_and_flush(s.out, ab.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:581:5
[INFO] [stdout]     |
[INFO] [stdout] 581 |     try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 |     try!(s.refresh_line());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         try!(s.refresh_prompt_and_line(&prompt));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:613:15
[INFO] [stdout]     |
[INFO] [stdout] 613 |         key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |                     try!(s.refresh_line());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:678:5
[INFO] [stdout]     |
[INFO] [stdout] 678 |     try!(s.refresh_line());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:680:19
[INFO] [stdout]     |
[INFO] [stdout] 680 |     let mut rdr = try!(s.term.create_reader());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:686:13
[INFO] [stdout]     |
[INFO] [stdout] 686 |             try!(s.refresh_line());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:689:23
[INFO] [stdout]     |
[INFO] [stdout] 689 |         let mut key = try!(rk);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:692:13
[INFO] [stdout]     |
[INFO] [stdout] 692 |             try!(edit_insert(&mut s, c));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:698:24
[INFO] [stdout]     |
[INFO] [stdout] 698 |             let next = try!(complete_line(&mut rdr, &mut s, completer.unwrap(), &editor.config));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:703:21
[INFO] [stdout]     |
[INFO] [stdout] 703 |                     try!(edit_insert(&mut s, c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:712:17
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 try!(reverse_incremental_search(&mut rdr, &mut s, &editor.history, &editor.config));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:726:17
[INFO] [stdout]     |
[INFO] [stdout] 726 |                 try!(edit_move_home(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:731:17
[INFO] [stdout]     |
[INFO] [stdout] 731 |                 try!(edit_move_left(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:746:17
[INFO] [stdout]     |
[INFO] [stdout] 746 |                 try!(edit_move_end(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:751:17
[INFO] [stdout]     |
[INFO] [stdout] 751 |                 try!(edit_move_right(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:756:17
[INFO] [stdout]     |
[INFO] [stdout] 756 |                 try!(edit_backspace(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:761:17
[INFO] [stdout]     |
[INFO] [stdout] 761 |                 try!(edit_history_next(&mut s, &editor.history, false))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:766:17
[INFO] [stdout]     |
[INFO] [stdout] 766 |                 try!(edit_history_next(&mut s, &editor.history, true))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:771:17
[INFO] [stdout]     |
[INFO] [stdout] 771 |                 try!(edit_move_end(&mut s));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:777:17
[INFO] [stdout]     |
[INFO] [stdout] 777 |                 try!(edit_move_to_prev_word(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:782:17
[INFO] [stdout]     |
[INFO] [stdout] 782 |                 try!(edit_move_to_next_word(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:786:17
[INFO] [stdout]     |
[INFO] [stdout] 786 |                 try!(edit_delete(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:671:61
[INFO] [stdout]     |
[INFO] [stdout] 671 |     let completer = editor.completer.as_ref().map(|c| c as &Completer);
[INFO] [stdout]     |                                                             ^^^^^^^^^ help: use `dyn`: `dyn Completer`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:810:25
[INFO] [stdout]     |
[INFO] [stdout] 810 |     let original_mode = try!(editor.term.enable_raw_mode());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:820:8
[INFO] [stdout]     |
[INFO] [stdout] 820 |     if try!(io::stdin().read_line(&mut line)) > 0 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:855:13
[INFO] [stdout]     |
[INFO] [stdout] 855 |             try!(write_and_flush(&mut stdout, prompt.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/char_iter.rs:93:41
[INFO] [stdout]    |
[INFO] [stdout] 93 |             CharsError::Other(ref e) => error::Error::description(e),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tty/unix.rs:225:36
[INFO] [stdout]     |
[INFO] [stdout] 225 | static SIGWINCH_ONCE: sync::Once = sync::ONCE_INIT;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:59:47
[INFO] [stdout]    |
[INFO] [stdout] 59 |             ReadlineError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ReadlineError::Char(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/tty/unix.rs:322:18
[INFO] [stdout]     |
[INFO] [stdout] 322 |         SIGWINCH.compare_and_swap(true, false, atomic::Ordering::SeqCst)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 93 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
[INFO] running `Command { std: "docker" "inspect" "e121f9bd14503c6938c4ebdbd9cba5a6852fd78a2ec2f1d31ec9257d2b176f7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e121f9bd14503c6938c4ebdbd9cba5a6852fd78a2ec2f1d31ec9257d2b176f7f", kill_on_drop: false }`
[INFO] [stdout] e121f9bd14503c6938c4ebdbd9cba5a6852fd78a2ec2f1d31ec9257d2b176f7f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a03d511416b4a563c4178c1754e93fe1a2fe2b5b34bcddf1d2a10ecf052e958
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a03d511416b4a563c4178c1754e93fe1a2fe2b5b34bcddf1d2a10ecf052e958", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stdout] warning: unknown lint: `match_same_arms`
[INFO] [stdout]   --> src/consts.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[allow(match_same_arms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/completion.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let matches = try!(filename_complete(&path, ESCAPE_CHAR, &self.break_chars));
[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/completion.rs:179:18
[INFO] [stdout]     |
[INFO] [stdout] 179 |     for entry in try!(dir.read_dir()) {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/completion.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let entry = try!(entry);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/completion.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 if try!(fs::metadata(entry.path())).is_dir() {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let file = try!(f);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(wtr.write_all(&entry.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             try!(wtr.write_all(b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let file = try!(File::open(&path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |             self.add(try!(line)); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/char_iter.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tty/mod.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn clear_screen(&mut self, w: &mut Write) -> Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/tty/unix.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 63 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, self));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:105:15
[INFO] [stdout]     |
[INFO] [stdout] 105 |         match try!(self.next_char()) {
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:106:26
[INFO] [stdout]     |
[INFO] [stdout] 106 |             '[' => match try!(self.next_char()) {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:107:30
[INFO] [stdout]     |
[INFO] [stdout] 107 |                 '1' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:108:34
[INFO] [stdout]     |
[INFO] [stdout] 108 |                     ';' => match try!(self.next_char()) {
[INFO] [stdout]     |                                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:109:38
[INFO] [stdout]     |
[INFO] [stdout] 109 |                         '3' => match try!(self.next_char()) {
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:118:38
[INFO] [stdout]     |
[INFO] [stdout] 118 |                         '5' => match try!(self.next_char()) {
[INFO] [stdout]     |                                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:132:30
[INFO] [stdout]     |
[INFO] [stdout] 132 |                 '3' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:136:30
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 '4' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:140:30
[INFO] [stdout]     |
[INFO] [stdout] 140 |                 '5' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:144:30
[INFO] [stdout]     |
[INFO] [stdout] 144 |                 '6' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:148:30
[INFO] [stdout]     |
[INFO] [stdout] 148 |                 '7' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:152:30
[INFO] [stdout]     |
[INFO] [stdout] 152 |                 '8' => match try!(self.next_char()) {
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:164:26
[INFO] [stdout]     |
[INFO] [stdout] 164 |             'O' => match try!(self.next_char()) {
[INFO] [stdout]     |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:195:17
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let c = try!(self.next_char());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:207:27
[INFO] [stdout]     |
[INFO] [stdout] 207 |                     key = try!(self.escape_sequence())
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:218:27
[INFO] [stdout]     |
[INFO] [stdout] 218 |             Some(c) => Ok(try!(c)),
[INFO] [stdout]     |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:297:13
[INFO] [stdout]     |
[INFO] [stdout] 297 |             try!(Err(nix::Error::from_errno(ENOTTY)));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:299:29
[INFO] [stdout]     |
[INFO] [stdout] 299 |         let original_mode = try!(termios::tcgetattr(STDIN_FILENO));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:311:9
[INFO] [stdout]     |
[INFO] [stdout] 311 |         try!(termios::tcsetattr(STDIN_FILENO, termios::TCSADRAIN, &raw));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:327:9
[INFO] [stdout]     |
[INFO] [stdout] 327 |         try!(w.write_all(b"\x1b[H\x1b[2J"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/tty/unix.rs:328:9
[INFO] [stdout]     |
[INFO] [stdout] 328 |         try!(w.flush());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty/unix.rs:326:40
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn clear_screen(&mut self, w: &mut Write) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |     out: &'out mut Write,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn new(out: &'out mut Write,
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     try!(w.write_all(buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     try!(w.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn write_and_flush(w: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]     |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:421:31
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let (start, candidates) = try!(completer.complete(&s.line, s.line.pos()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(beep());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:439:17
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:443:19
[INFO] [stdout]     |
[INFO] [stdout] 443 |             key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:448:25
[INFO] [stdout]     |
[INFO] [stdout] 448 |                         try!(beep());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:455:25
[INFO] [stdout]     |
[INFO] [stdout] 455 |                         try!(s.refresh_line());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |             try!(beep());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:482:23
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let mut key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         try!(edit_move_end(s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |             try!(write_and_flush(s.out, msg.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:500:23
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |             try!(s.refresh_line());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:417:44
[INFO] [stdout]     |
[INFO] [stdout] 417 | ...                   completer: &Completer,
[INFO] [stdout]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Completer`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 |             try!(write_and_flush(s.out, b"\n--More--"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:548:23
[INFO] [stdout]     |
[INFO] [stdout] 548 |                 key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:561:13
[INFO] [stdout]     |
[INFO] [stdout] 561 |             try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:563:13
[INFO] [stdout]     |
[INFO] [stdout] 563 |             try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:579:9
[INFO] [stdout]     |
[INFO] [stdout] 579 |         try!(write_and_flush(s.out, ab.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:581:5
[INFO] [stdout]     |
[INFO] [stdout] 581 |     try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 |     try!(s.refresh_line());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         try!(s.refresh_prompt_and_line(&prompt));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:613:15
[INFO] [stdout]     |
[INFO] [stdout] 613 |         key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |                     try!(s.refresh_line());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:678:5
[INFO] [stdout]     |
[INFO] [stdout] 678 |     try!(s.refresh_line());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:680:19
[INFO] [stdout]     |
[INFO] [stdout] 680 |     let mut rdr = try!(s.term.create_reader());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:686:13
[INFO] [stdout]     |
[INFO] [stdout] 686 |             try!(s.refresh_line());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:689:23
[INFO] [stdout]     |
[INFO] [stdout] 689 |         let mut key = try!(rk);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:692:13
[INFO] [stdout]     |
[INFO] [stdout] 692 |             try!(edit_insert(&mut s, c));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:698:24
[INFO] [stdout]     |
[INFO] [stdout] 698 |             let next = try!(complete_line(&mut rdr, &mut s, completer.unwrap(), &editor.config));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:703:21
[INFO] [stdout]     |
[INFO] [stdout] 703 |                     try!(edit_insert(&mut s, c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:712:17
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 try!(reverse_incremental_search(&mut rdr, &mut s, &editor.history, &editor.config));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:726:17
[INFO] [stdout]     |
[INFO] [stdout] 726 |                 try!(edit_move_home(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:731:17
[INFO] [stdout]     |
[INFO] [stdout] 731 |                 try!(edit_move_left(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:746:17
[INFO] [stdout]     |
[INFO] [stdout] 746 |                 try!(edit_move_end(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:751:17
[INFO] [stdout]     |
[INFO] [stdout] 751 |                 try!(edit_move_right(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:756:17
[INFO] [stdout]     |
[INFO] [stdout] 756 |                 try!(edit_backspace(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:761:17
[INFO] [stdout]     |
[INFO] [stdout] 761 |                 try!(edit_history_next(&mut s, &editor.history, false))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:766:17
[INFO] [stdout]     |
[INFO] [stdout] 766 |                 try!(edit_history_next(&mut s, &editor.history, true))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:771:17
[INFO] [stdout]     |
[INFO] [stdout] 771 |                 try!(edit_move_end(&mut s));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:777:17
[INFO] [stdout]     |
[INFO] [stdout] 777 |                 try!(edit_move_to_prev_word(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:782:17
[INFO] [stdout]     |
[INFO] [stdout] 782 |                 try!(edit_move_to_next_word(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:786:17
[INFO] [stdout]     |
[INFO] [stdout] 786 |                 try!(edit_delete(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:671:61
[INFO] [stdout]     |
[INFO] [stdout] 671 |     let completer = editor.completer.as_ref().map(|c| c as &Completer);
[INFO] [stdout]     |                                                             ^^^^^^^^^ help: use `dyn`: `dyn Completer`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:810:25
[INFO] [stdout]     |
[INFO] [stdout] 810 |     let original_mode = try!(editor.term.enable_raw_mode());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:820:8
[INFO] [stdout]     |
[INFO] [stdout] 820 |     if try!(io::stdin().read_line(&mut line)) > 0 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:855:13
[INFO] [stdout]     |
[INFO] [stdout] 855 |             try!(write_and_flush(&mut stdout, prompt.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/char_iter.rs:93:41
[INFO] [stdout]    |
[INFO] [stdout] 93 |             CharsError::Other(ref e) => error::Error::description(e),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]    --> src/tty/unix.rs:225:36
[INFO] [stdout]     |
[INFO] [stdout] 225 | static SIGWINCH_ONCE: sync::Once = sync::ONCE_INIT;
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^ help: replace the use of the deprecated constant: `Once::new()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:59:47
[INFO] [stdout]    |
[INFO] [stdout] 59 |             ReadlineError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ReadlineError::Char(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicBool::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead
[INFO] [stdout]    --> src/tty/unix.rs:322:18
[INFO] [stdout]     |
[INFO] [stdout] 322 |         SIGWINCH.compare_and_swap(true, false, atomic::Ordering::SeqCst)
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 93 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling tcalc-rustyline v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `match_same_arms`
[INFO] [stdout]   --> src/consts.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 | #[allow(match_same_arms)]
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0283]: type annotations needed
[INFO] [stdout]   --> examples/example.rs:31:43
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 rl.add_history_entry(line.as_ref());
[INFO] [stdout]    |                                      -----^^^^^^--
[INFO] [stdout]    |                                      |    |
[INFO] [stdout]    |                                      |    cannot infer type for type parameter `T` declared on the trait `AsRef`
[INFO] [stdout]    |                                      this method call resolves to `&T`
[INFO] [stdout]    |
[INFO] [stdout]    = note: cannot satisfy `String: AsRef<_>`
[INFO] [stdout] help: use the fully qualified path for the potential candidates
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 rl.add_history_entry(<String as AsRef<Path>>::as_ref(line));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |                 rl.add_history_entry(<String as AsRef<OsStr>>::as_ref(line));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |                 rl.add_history_entry(<String as AsRef<[u8]>>::as_ref(line));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 31 |                 rl.add_history_entry(<String as AsRef<str>>::as_ref(line));
[INFO] [stdout]    |                                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0283`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tcalc-rustyline`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/completion.rs:95:23
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let matches = try!(filename_complete(&path, ESCAPE_CHAR, &self.break_chars));
[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/completion.rs:179:18
[INFO] [stdout]     |
[INFO] [stdout] 179 |     for entry in try!(dir.read_dir()) {
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/completion.rs:180:21
[INFO] [stdout]     |
[INFO] [stdout] 180 |         let entry = try!(entry);
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/completion.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |                 if try!(fs::metadata(entry.path())).is_dir() {
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:112:20
[INFO] [stdout]     |
[INFO] [stdout] 112 |         let file = try!(f);
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 116 |             try!(wtr.write_all(&entry.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:117:13
[INFO] [stdout]     |
[INFO] [stdout] 117 |             try!(wtr.write_all(b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:129:20
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let file = try!(File::open(&path));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/history.rs:132:22
[INFO] [stdout]     |
[INFO] [stdout] 132 |             self.add(try!(line)); // TODO truncate to MAX_LINE
[INFO] [stdout]     |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/char_iter.rs:96:32
[INFO] [stdout]    |
[INFO] [stdout] 96 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/tty/mod.rs:40:40
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn clear_screen(&mut self, w: &mut Write) -> Result<()>;
[INFO] [stdout]    |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/tty/test.rs:139:40
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn clear_screen(&mut self, _: &mut Write) -> Result<()> {
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:61:20
[INFO] [stdout]    |
[INFO] [stdout] 61 |     out: &'out mut Write,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:80:27
[INFO] [stdout]    |
[INFO] [stdout] 80 |     fn new(out: &'out mut Write,
[INFO] [stdout]    |                           ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:228:5
[INFO] [stdout]     |
[INFO] [stdout] 228 |     try!(w.write_all(buf));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:229:5
[INFO] [stdout]     |
[INFO] [stdout] 229 |     try!(w.flush());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:227:28
[INFO] [stdout]     |
[INFO] [stdout] 227 | fn write_and_flush(w: &mut Write, buf: &[u8]) -> Result<()> {
[INFO] [stdout]     |                            ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:421:31
[INFO] [stdout]     |
[INFO] [stdout] 421 |     let (start, candidates) = try!(completer.complete(&s.line, s.line.pos()));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:424:9
[INFO] [stdout]     |
[INFO] [stdout] 424 |         try!(beep());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:435:17
[INFO] [stdout]     |
[INFO] [stdout] 435 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:439:17
[INFO] [stdout]     |
[INFO] [stdout] 439 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:443:19
[INFO] [stdout]     |
[INFO] [stdout] 443 |             key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:448:25
[INFO] [stdout]     |
[INFO] [stdout] 448 |                         try!(beep());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:455:25
[INFO] [stdout]     |
[INFO] [stdout] 455 |                         try!(s.refresh_line());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:471:13
[INFO] [stdout]     |
[INFO] [stdout] 471 |             try!(beep());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:477:17
[INFO] [stdout]     |
[INFO] [stdout] 477 |                 try!(s.refresh_line());
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:482:23
[INFO] [stdout]     |
[INFO] [stdout] 482 |         let mut key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:489:9
[INFO] [stdout]     |
[INFO] [stdout] 489 |         try!(edit_move_end(s));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:495:13
[INFO] [stdout]     |
[INFO] [stdout] 495 |             try!(write_and_flush(s.out, msg.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:500:23
[INFO] [stdout]     |
[INFO] [stdout] 500 |                 key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:511:13
[INFO] [stdout]     |
[INFO] [stdout] 511 |             try!(s.refresh_line());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:417:44
[INFO] [stdout]     |
[INFO] [stdout] 417 | ...                   completer: &Completer,
[INFO] [stdout]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn Completer`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:540:13
[INFO] [stdout]     |
[INFO] [stdout] 540 |             try!(write_and_flush(s.out, b"\n--More--"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:548:23
[INFO] [stdout]     |
[INFO] [stdout] 548 |                 key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:561:13
[INFO] [stdout]     |
[INFO] [stdout] 561 |             try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:563:13
[INFO] [stdout]     |
[INFO] [stdout] 563 |             try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:579:9
[INFO] [stdout]     |
[INFO] [stdout] 579 |         try!(write_and_flush(s.out, ab.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:581:5
[INFO] [stdout]     |
[INFO] [stdout] 581 |     try!(write_and_flush(s.out, b"\n"));
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:582:5
[INFO] [stdout]     |
[INFO] [stdout] 582 |     try!(s.refresh_line());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:611:9
[INFO] [stdout]     |
[INFO] [stdout] 611 |         try!(s.refresh_prompt_and_line(&prompt));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:613:15
[INFO] [stdout]     |
[INFO] [stdout] 613 |         key = try!(rdr.next_key(config.keyseq_timeout()));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:644:21
[INFO] [stdout]     |
[INFO] [stdout] 644 |                     try!(s.refresh_line());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:678:5
[INFO] [stdout]     |
[INFO] [stdout] 678 |     try!(s.refresh_line());
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:680:19
[INFO] [stdout]     |
[INFO] [stdout] 680 |     let mut rdr = try!(s.term.create_reader());
[INFO] [stdout]     |                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:686:13
[INFO] [stdout]     |
[INFO] [stdout] 686 |             try!(s.refresh_line());
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:689:23
[INFO] [stdout]     |
[INFO] [stdout] 689 |         let mut key = try!(rk);
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:692:13
[INFO] [stdout]     |
[INFO] [stdout] 692 |             try!(edit_insert(&mut s, c));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:698:24
[INFO] [stdout]     |
[INFO] [stdout] 698 |             let next = try!(complete_line(&mut rdr, &mut s, completer.unwrap(), &editor.config));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:703:21
[INFO] [stdout]     |
[INFO] [stdout] 703 |                     try!(edit_insert(&mut s, c));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:712:17
[INFO] [stdout]     |
[INFO] [stdout] 712 |                 try!(reverse_incremental_search(&mut rdr, &mut s, &editor.history, &editor.config));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:726:17
[INFO] [stdout]     |
[INFO] [stdout] 726 |                 try!(edit_move_home(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:731:17
[INFO] [stdout]     |
[INFO] [stdout] 731 |                 try!(edit_move_left(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:746:17
[INFO] [stdout]     |
[INFO] [stdout] 746 |                 try!(edit_move_end(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:751:17
[INFO] [stdout]     |
[INFO] [stdout] 751 |                 try!(edit_move_right(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:756:17
[INFO] [stdout]     |
[INFO] [stdout] 756 |                 try!(edit_backspace(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:761:17
[INFO] [stdout]     |
[INFO] [stdout] 761 |                 try!(edit_history_next(&mut s, &editor.history, false))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:766:17
[INFO] [stdout]     |
[INFO] [stdout] 766 |                 try!(edit_history_next(&mut s, &editor.history, true))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:771:17
[INFO] [stdout]     |
[INFO] [stdout] 771 |                 try!(edit_move_end(&mut s));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:777:17
[INFO] [stdout]     |
[INFO] [stdout] 777 |                 try!(edit_move_to_prev_word(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:782:17
[INFO] [stdout]     |
[INFO] [stdout] 782 |                 try!(edit_move_to_next_word(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:786:17
[INFO] [stdout]     |
[INFO] [stdout] 786 |                 try!(edit_delete(&mut s))
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:671:61
[INFO] [stdout]     |
[INFO] [stdout] 671 |     let completer = editor.completer.as_ref().map(|c| c as &Completer);
[INFO] [stdout]     |                                                             ^^^^^^^^^ help: use `dyn`: `dyn Completer`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:810:25
[INFO] [stdout]     |
[INFO] [stdout] 810 |     let original_mode = try!(editor.term.enable_raw_mode());
[INFO] [stdout]     |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:820:8
[INFO] [stdout]     |
[INFO] [stdout] 820 |     if try!(io::stdin().read_line(&mut line)) > 0 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:855:13
[INFO] [stdout]     |
[INFO] [stdout] 855 |             try!(write_and_flush(&mut stdout, prompt.as_bytes()));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:958:40
[INFO] [stdout]     |
[INFO] [stdout] 958 |     fn init_state<'out>(out: &'out mut Write,
[INFO] [stdout]     |                                        ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/char_iter.rs:93:41
[INFO] [stdout]    |
[INFO] [stdout] 93 |             CharsError::Other(ref e) => error::Error::description(e),
[INFO] [stdout]    |                                         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:59:47
[INFO] [stdout]    |
[INFO] [stdout] 59 |             ReadlineError::Io(ref err) => err.description(),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:64:49
[INFO] [stdout]    |
[INFO] [stdout] 64 |             ReadlineError::Char(ref err) => err.description(),
[INFO] [stdout]    |                                                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `chars`
[INFO] [stdout]   --> src/char_iter.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn chars<R: Read>(read: R) -> Chars<R>
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 71 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2a03d511416b4a563c4178c1754e93fe1a2fe2b5b34bcddf1d2a10ecf052e958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a03d511416b4a563c4178c1754e93fe1a2fe2b5b34bcddf1d2a10ecf052e958", kill_on_drop: false }`
[INFO] [stdout] 2a03d511416b4a563c4178c1754e93fe1a2fe2b5b34bcddf1d2a10ecf052e958
