[INFO] updating cached repository https://github.com/porglezomp-misc/rust-tic-tac-toe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6bf909779b665384957cb0ec48fbdec0fdbc07fd
[INFO] checking porglezomp-misc/rust-tic-tac-toe against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporglezomp-misc%2Frust-tic-tac-toe" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/porglezomp-misc/rust-tic-tac-toe on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/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 `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e6394dd90847a17a86c900337e336cea9a48c5358c334e01c4aa7bd4e06302f
[INFO] running `"docker" "start" "-a" "2e6394dd90847a17a86c900337e336cea9a48c5358c334e01c4aa7bd4e06302f"`
[INFO] [stderr]     Checking tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |         write_n!(0);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 137 |         write_n!(1);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |         write_n!(2);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 141 |         write_n!(3);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 143 |         write_n!(4);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |         write_n!(5);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |         write_n!(6);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |         write_n!(7);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |         write_n!(8);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 try!(stdin.read_line(&mut buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (connection, _) = try!(server.accept());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     try!(io::stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(io::stdin().read_line(&mut input));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let connection = try!(TcpStream::connect(input.trim()));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(io::stdin().read_line(&mut buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:105:28
[INFO] [stderr]     |
[INFO] [stderr] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            expected reference, found `usize`
[INFO] [stderr]     |                            help: consider borrowing here: `&row`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:105:52
[INFO] [stderr]     |
[INFO] [stderr] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    expected reference, found `usize`
[INFO] [stderr]     |                                                    help: consider borrowing here: `&col`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:115:28
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            expected reference, found `usize`
[INFO] [stderr]     |                            help: consider borrowing here: `&row`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    expected reference, found `usize`
[INFO] [stderr]     |                                                    help: consider borrowing here: `&col`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |         write_n!(0);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:136:9
[INFO] [stderr]     |
[INFO] [stderr] 136 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 137 |         write_n!(1);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:138:9
[INFO] [stderr]     |
[INFO] [stderr] 138 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 139 |         write_n!(2);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:140:9
[INFO] [stderr]     |
[INFO] [stderr] 140 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 141 |         write_n!(3);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:142:9
[INFO] [stderr]     |
[INFO] [stderr] 142 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 143 |         write_n!(4);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 145 |         write_n!(5);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:146:9
[INFO] [stderr]     |
[INFO] [stderr] 146 |         try!(write!(f, "\n---+---+---\n"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |         write_n!(6);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 149 |         write_n!(7);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:150:9
[INFO] [stderr]     |
[INFO] [stderr] 150 |         try!(write!(f, "|"));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/board.rs:127:17
[INFO] [stderr]     |
[INFO] [stderr] 127 |                 try!(match self.squares[$n] {
[INFO] [stderr]     |                 ^^^
[INFO] [stderr] ...
[INFO] [stderr] 151 |         write_n!(8);
[INFO] [stderr]     |         ------------ in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:22:17
[INFO] [stderr]    |
[INFO] [stderr] 22 |                 try!(stdin.read_line(&mut buffer));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |     let (connection, _) = try!(server.accept());
[INFO] [stderr]    |                           ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     try!(io::stdout().flush());
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:97:5
[INFO] [stderr]    |
[INFO] [stderr] 97 |     try!(io::stdin().read_line(&mut input));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/game.rs:98:22
[INFO] [stderr]    |
[INFO] [stderr] 98 |     let connection = try!(TcpStream::connect(input.trim()));
[INFO] [stderr]    |                      ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:33:13
[INFO] [stderr]    |
[INFO] [stderr] 33 |             try!(io::stdin().read_line(&mut buffer));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]  --> src/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `tic-tac-toe`.
[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] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:105:28
[INFO] [stderr]     |
[INFO] [stderr] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            expected reference, found `usize`
[INFO] [stderr]     |                            help: consider borrowing here: `&row`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:105:52
[INFO] [stderr]     |
[INFO] [stderr] 105 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    expected reference, found `usize`
[INFO] [stderr]     |                                                    help: consider borrowing here: `&col`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:115:28
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                            ^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            expected reference, found `usize`
[INFO] [stderr]     |                            help: consider borrowing here: `&row`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]    --> src/board.rs:115:52
[INFO] [stderr]     |
[INFO] [stderr] 115 |         if (0..3).contains(row) && (0..3).contains(col) {
[INFO] [stderr]     |                                                    ^^^
[INFO] [stderr]     |                                                    |
[INFO] [stderr]     |                                                    expected reference, found `usize`
[INFO] [stderr]     |                                                    help: consider borrowing here: `&col`
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected reference `&_`
[INFO] [stderr]                     found type `usize`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]  --> src/game.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::ascii::AsciiExt;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `tic-tac-toe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2e6394dd90847a17a86c900337e336cea9a48c5358c334e01c4aa7bd4e06302f"`
[INFO] running `"docker" "rm" "-f" "2e6394dd90847a17a86c900337e336cea9a48c5358c334e01c4aa7bd4e06302f"`
[INFO] [stdout] 2e6394dd90847a17a86c900337e336cea9a48c5358c334e01c4aa7bd4e06302f
