[INFO] cloning repository https://github.com/porglezomp-misc/rust-tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/porglezomp-misc/rust-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Frust-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Frust-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bf909779b665384957cb0ec48fbdec0fdbc07fd
[INFO] checking porglezomp-misc/rust-tic-tac-toe against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Frust-tic-tac-toe" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/porglezomp-misc/rust-tic-tac-toe on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/porglezomp-misc/rust-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/porglezomp-misc/rust-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/porglezomp-misc/rust-tic-tac-toe written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/porglezomp-misc/rust-tic-tac-toe already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61272dd481461f80e47c0a169f0b2f7dce6aba2df7af47fabc66f8422c192306
[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" "61272dd481461f80e47c0a169f0b2f7dce6aba2df7af47fabc66f8422c192306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61272dd481461f80e47c0a169f0b2f7dce6aba2df7af47fabc66f8422c192306", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61272dd481461f80e47c0a169f0b2f7dce6aba2df7af47fabc66f8422c192306", kill_on_drop: false }`
[INFO] [stdout] 61272dd481461f80e47c0a169f0b2f7dce6aba2df7af47fabc66f8422c192306
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de4ecee6f3ba09128b15902f45dc1faf7a9bb2312d756d16c87ac007d39dca15
[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" "de4ecee6f3ba09128b15902f45dc1faf7a9bb2312d756d16c87ac007d39dca15", kill_on_drop: false }`
[INFO] [stderr]     Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |         write_n!(0);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |         write_n!(1);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |         write_n!(2);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |         write_n!(3);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |         write_n!(4);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |         write_n!(5);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |         write_n!(6);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |         write_n!(7);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |         write_n!(8);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 try!(stdin.read_line(&mut buffer));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (connection, _) = try!(server.accept());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     try!(io::stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(io::stdin().read_line(&mut input));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let connection = try!(TcpStream::connect(input.trim()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             try!(io::stdin().read_line(&mut buffer));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected reference, found `usize`
[INFO] [stdout]     |                            help: consider borrowing here: `&row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:105:52
[INFO] [stdout]     |
[INFO] [stdout] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected reference, found `usize`
[INFO] [stdout]     |                                                    help: consider borrowing here: `&col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected reference, found `usize`
[INFO] [stdout]     |                            help: consider borrowing here: `&row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:115:52
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected reference, found `usize`
[INFO] [stdout]     |                                                    help: consider borrowing here: `&col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tic-tac-toe`
[INFO] [stdout] error: aborting due to 4 previous errors; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |         write_n!(0);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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/board.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |         write_n!(1);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:138:9
[INFO] [stdout]     |
[INFO] [stdout] 138 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 139 |         write_n!(2);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:140:9
[INFO] [stdout]     |
[INFO] [stdout] 140 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |         write_n!(3);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:142:9
[INFO] [stdout]     |
[INFO] [stdout] 142 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 143 |         write_n!(4);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:144:9
[INFO] [stdout]     |
[INFO] [stdout] 144 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 145 |         write_n!(5);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:146:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |         write_n!(6);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:148:9
[INFO] [stdout]     |
[INFO] [stdout] 148 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |         write_n!(7);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(write!(f, "|"));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/board.rs:127:17
[INFO] [stdout]     |
[INFO] [stdout] 127 |                 try!(match self.squares[$n] {
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |         write_n!(8);
[INFO] [stdout]     |         ------------ in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:22:17
[INFO] [stdout]    |
[INFO] [stdout] 22 |                 try!(stdin.read_line(&mut buffer));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:89:27
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let (connection, _) = try!(server.accept());
[INFO] [stdout]    |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     try!(io::stdout().flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     try!(io::stdin().read_line(&mut input));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/game.rs:98:22
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let connection = try!(TcpStream::connect(input.trim()));
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |             try!(io::stdin().read_line(&mut buffer));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated trait `std::ascii::AsciiExt`: use inherent methods instead
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:105:28
[INFO] [stdout]     |
[INFO] [stdout] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected reference, found `usize`
[INFO] [stdout]     |                            help: consider borrowing here: `&row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:105:52
[INFO] [stdout]     |
[INFO] [stdout] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected reference, found `usize`
[INFO] [stdout]     |                                                    help: consider borrowing here: `&col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:115:28
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                            ^^^
[INFO] [stdout]     |                            |
[INFO] [stdout]     |                            expected reference, found `usize`
[INFO] [stdout]     |                            help: consider borrowing here: `&row`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/board.rs:115:52
[INFO] [stdout]     |
[INFO] [stdout] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stdout]     |                                                    ^^^
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    expected reference, found `usize`
[INFO] [stdout]     |                                                    help: consider borrowing here: `&col`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                     found type `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stdout]  --> src/game.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ascii::AsciiExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors; 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "de4ecee6f3ba09128b15902f45dc1faf7a9bb2312d756d16c87ac007d39dca15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de4ecee6f3ba09128b15902f45dc1faf7a9bb2312d756d16c87ac007d39dca15", kill_on_drop: false }`
[INFO] [stdout] de4ecee6f3ba09128b15902f45dc1faf7a9bb2312d756d16c87ac007d39dca15