[INFO] fetching crate hd44780 0.2.2...
[INFO] checking hd44780-0.2.2 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] extracting crate hd44780 0.2.2 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate hd44780 0.2.2 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-10/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f4d7da8aeb9efb517193089c88b40cab481394763166a06909b0cbb5f7d71c7f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f4d7da8aeb9efb517193089c88b40cab481394763166a06909b0cbb5f7d71c7f"`
[INFO] [stderr]     Checking hd44780 v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/core.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(self.host.init());
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut export = try!(fso.open("/sys/class/gpio/export"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             try!(export.write_all(b"7"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(export.write_all(b"8"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             try!(export.write_all(b"25"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(export.write_all(b"24"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(export.write_all(b"23"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(export.write_all(b"18"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(export.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |             self.rs = Some(try!(fso.open(gpio7)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |             self.enable = Some(try!(fso.open(gpio8)));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 |             self.data4 = Some(try!(fso.open(gpio25)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:80:31
[INFO] [stderr]    |
[INFO] [stderr] 80 |             self.data5 = Some(try!(fso.open(gpio24)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |             self.data6 = Some(try!(fso.open(gpio23)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:88:31
[INFO] [stderr]    |
[INFO] [stderr] 88 |             self.data7 = Some(try!(fso.open(gpio18)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(file.write_all(b"out"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(file.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:102:29
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:103:29
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:106:29
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:107:29
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         try!(self.try_open_io());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         try!(self.init_gpio());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         try!(self.try_open_io());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(self.init_out_dir());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 |     host: Box<HD44780Host>
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn HD44780Host`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(h: Box<HD44780Host>) -> HD44780 {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn HD44780Host`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/core.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |         try!(self.host.init());
[INFO] [stderr]    |         ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:40:26
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let mut export = try!(fso.open("/sys/class/gpio/export"));
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:42:13
[INFO] [stderr]    |
[INFO] [stderr] 42 |             try!(export.write_all(b"7"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:45:13
[INFO] [stderr]    |
[INFO] [stderr] 45 |             try!(export.write_all(b"8"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |             try!(export.write_all(b"25"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:51:13
[INFO] [stderr]    |
[INFO] [stderr] 51 |             try!(export.write_all(b"24"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:54:13
[INFO] [stderr]    |
[INFO] [stderr] 54 |             try!(export.write_all(b"23"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:57:13
[INFO] [stderr]    |
[INFO] [stderr] 57 |             try!(export.write_all(b"18"));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:59:9
[INFO] [stderr]    |
[INFO] [stderr] 59 |         try!(export.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:68:28
[INFO] [stderr]    |
[INFO] [stderr] 68 |             self.rs = Some(try!(fso.open(gpio7)));
[INFO] [stderr]    |                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:72:32
[INFO] [stderr]    |
[INFO] [stderr] 72 |             self.enable = Some(try!(fso.open(gpio8)));
[INFO] [stderr]    |                                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:76:31
[INFO] [stderr]    |
[INFO] [stderr] 76 |             self.data4 = Some(try!(fso.open(gpio25)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:80:31
[INFO] [stderr]    |
[INFO] [stderr] 80 |             self.data5 = Some(try!(fso.open(gpio24)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:84:31
[INFO] [stderr]    |
[INFO] [stderr] 84 |             self.data6 = Some(try!(fso.open(gpio23)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:88:31
[INFO] [stderr]    |
[INFO] [stderr] 88 |             self.data7 = Some(try!(fso.open(gpio18)));
[INFO] [stderr]    |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:94:9
[INFO] [stderr]    |
[INFO] [stderr] 94 |         try!(file.write_all(b"out"));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/hosts.rs:95:9
[INFO] [stderr]    |
[INFO] [stderr] 95 |         try!(file.flush());
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:102:9
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:102:29
[INFO] [stderr]     |
[INFO] [stderr] 102 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio7/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:103:29
[INFO] [stderr]     |
[INFO] [stderr] 103 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio8/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:104:29
[INFO] [stderr]     |
[INFO] [stderr] 104 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio25/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio24/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:106:29
[INFO] [stderr]     |
[INFO] [stderr] 106 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio23/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:107:29
[INFO] [stderr]     |
[INFO] [stderr] 107 |         try!(self.write_out(try!(fso.open("/sys/class/gpio/gpio18/direction"))));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:128:9
[INFO] [stderr]     |
[INFO] [stderr] 128 |         try!(self.try_open_io());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:129:9
[INFO] [stderr]     |
[INFO] [stderr] 129 |         try!(self.init_gpio());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         try!(self.try_open_io());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/hosts.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         try!(self.init_out_dir());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:12:15
[INFO] [stderr]    |
[INFO] [stderr] 12 |     host: Box<HD44780Host>
[INFO] [stderr]    |               ^^^^^^^^^^^ help: use `dyn`: `dyn HD44780Host`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/core.rs:16:23
[INFO] [stderr]    |
[INFO] [stderr] 16 |     pub fn new(h: Box<HD44780Host>) -> HD44780 {
[INFO] [stderr]    |                       ^^^^^^^^^^^ help: use `dyn`: `dyn HD44780Host`
[INFO] [stderr] 
[INFO] [stderr] warning: 35 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 35 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "f4d7da8aeb9efb517193089c88b40cab481394763166a06909b0cbb5f7d71c7f"`
[INFO] running `"docker" "rm" "-f" "f4d7da8aeb9efb517193089c88b40cab481394763166a06909b0cbb5f7d71c7f"`
[INFO] [stdout] f4d7da8aeb9efb517193089c88b40cab481394763166a06909b0cbb5f7d71c7f