[INFO] fetching crate hd44780 0.2.2...
[INFO] checking hd44780-0.2.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate hd44780 0.2.2 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate hd44780 0.2.2
[INFO] finished tweaking crates.io crate hd44780 0.2.2
[INFO] tweaked toml for crates.io crate hd44780 0.2.2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate hd44780 0.2.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 674fd17d11968cea11d95479318ffe0d7cba62b79a3ceac04ccde2b990177dd1
[INFO] running `Command { std: "docker" "start" "-a" "674fd17d11968cea11d95479318ffe0d7cba62b79a3ceac04ccde2b990177dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "674fd17d11968cea11d95479318ffe0d7cba62b79a3ceac04ccde2b990177dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "674fd17d11968cea11d95479318ffe0d7cba62b79a3ceac04ccde2b990177dd1", kill_on_drop: false }`
[INFO] [stdout] 674fd17d11968cea11d95479318ffe0d7cba62b79a3ceac04ccde2b990177dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6c9e988b5ee051987545d083713fc179462c0d014b323083f0670f6cc09df40e
[INFO] running `Command { std: "docker" "start" "-a" "6c9e988b5ee051987545d083713fc179462c0d014b323083f0670f6cc09df40e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking hd44780 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/core.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(self.host.init());
[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/hosts.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try!(export.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut export = try!(fso.open("/sys/class/gpio/export"));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(export.write_all(b"7"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(export.write_all(b"8"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             try!(export.write_all(b"25"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(export.write_all(b"24"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(export.write_all(b"23"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try!(export.write_all(b"18"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |             self.rs = Some(try!(fso.open(gpio7)));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |             self.enable = Some(try!(fso.open(gpio8)));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |             self.data4 = Some(try!(fso.open(gpio25)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:80:31
[INFO] [stdout]    |
[INFO] [stdout] 80 |             self.data5 = Some(try!(fso.open(gpio24)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |             self.data6 = Some(try!(fso.open(gpio23)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:88:31
[INFO] [stdout]    |
[INFO] [stdout] 88 |             self.data7 = Some(try!(fso.open(gpio18)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(file.write_all(b"out"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(file.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(self.try_open_io());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         try!(self.init_gpio());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(self.try_open_io());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         try!(self.init_out_dir());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     host: Box<HD44780Host>
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     host: Box<dyn HD44780Host>
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(h: Box<HD44780Host>) -> HD44780 {
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(h: Box<dyn HD44780Host>) -> HD44780 {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/core.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         try!(self.host.init());
[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/hosts.rs:59:9
[INFO] [stdout]    |
[INFO] [stdout] 59 |         try!(export.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:40:26
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut export = try!(fso.open("/sys/class/gpio/export"));
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(export.write_all(b"7"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |             try!(export.write_all(b"8"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |             try!(export.write_all(b"25"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:51:13
[INFO] [stdout]    |
[INFO] [stdout] 51 |             try!(export.write_all(b"24"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 |             try!(export.write_all(b"23"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |             try!(export.write_all(b"18"));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:68:28
[INFO] [stdout]    |
[INFO] [stdout] 68 |             self.rs = Some(try!(fso.open(gpio7)));
[INFO] [stdout]    |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:72:32
[INFO] [stdout]    |
[INFO] [stdout] 72 |             self.enable = Some(try!(fso.open(gpio8)));
[INFO] [stdout]    |                                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |             self.data4 = Some(try!(fso.open(gpio25)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:80:31
[INFO] [stdout]    |
[INFO] [stdout] 80 |             self.data5 = Some(try!(fso.open(gpio24)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:84:31
[INFO] [stdout]    |
[INFO] [stdout] 84 |             self.data6 = Some(try!(fso.open(gpio23)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:88:31
[INFO] [stdout]    |
[INFO] [stdout] 88 |             self.data7 = Some(try!(fso.open(gpio18)));
[INFO] [stdout]    |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(file.write_all(b"out"));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/hosts.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(file.flush());
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:102:29
[INFO] [stdout]     |
[INFO] [stdout] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:104:29
[INFO] [stdout]     |
[INFO] [stdout] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:106:29
[INFO] [stdout]     |
[INFO] [stdout] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:107:29
[INFO] [stdout]     |
[INFO] [stdout] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:128:9
[INFO] [stdout]     |
[INFO] [stdout] 128 |         try!(self.try_open_io());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:129:9
[INFO] [stdout]     |
[INFO] [stdout] 129 |         try!(self.init_gpio());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         try!(self.try_open_io());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/hosts.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         try!(self.init_out_dir());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:12:15
[INFO] [stdout]    |
[INFO] [stdout] 12 |     host: Box<HD44780Host>
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 12 |     host: Box<dyn HD44780Host>
[INFO] [stdout]    |               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/core.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(h: Box<HD44780Host>) -> HD44780 {
[INFO] [stdout]    |                       ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(h: Box<dyn HD44780Host>) -> HD44780 {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "6c9e988b5ee051987545d083713fc179462c0d014b323083f0670f6cc09df40e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c9e988b5ee051987545d083713fc179462c0d014b323083f0670f6cc09df40e", kill_on_drop: false }`
[INFO] [stdout] 6c9e988b5ee051987545d083713fc179462c0d014b323083f0670f6cc09df40e