[INFO] cloning repository https://github.com/zzeroo/xmz-test-shiftregisters
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zzeroo/xmz-test-shiftregisters" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzeroo%2Fxmz-test-shiftregisters"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzeroo%2Fxmz-test-shiftregisters'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44980fb70e3338f3f37dc7036d29c0c60e4287a7
[INFO] checking zzeroo/xmz-test-shiftregisters against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzzeroo%2Fxmz-test-shiftregisters" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zzeroo/xmz-test-shiftregisters on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/zzeroo/xmz-test-shiftregisters
[INFO] finished tweaking git repo https://github.com/zzeroo/xmz-test-shiftregisters
[INFO] tweaked toml for git repo https://github.com/zzeroo/xmz-test-shiftregisters written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/zzeroo/xmz-test-shiftregisters already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 86390efd0d93ff46966a0ccdf522daeeab82f86f22fe542a1ace19878580ba1d
[INFO] running `"docker" "start" "-a" "86390efd0d93ff46966a0ccdf522daeeab82f86f22fe542a1ace19878580ba1d"`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling gcc v0.3.46
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking cfg-if v0.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking bitflags v0.4.0
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[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking thread-id v2.0.0
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[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking sysfs_gpio v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking xmz-test-shiftregisters v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(self.shift_out());
[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/shift_register.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:115:9
[INFO] [stderr]     |
[INFO] [stderr] 115 |         try!(self.shift_out());
[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/shift_register.rs:175:9
[INFO] [stderr]     |
[INFO] [stderr] 175 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:203:9
[INFO] [stderr]     |
[INFO] [stderr] 203 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:224:9
[INFO] [stderr]     |
[INFO] [stderr] 224 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(self.reset());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:253:9
[INFO] [stderr]     |
[INFO] [stderr] 253 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |         try!(self.reset());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:255:9
[INFO] [stderr]     |
[INFO] [stderr] 255 |         try!(self.reset());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:258:9
[INFO] [stderr]     |
[INFO] [stderr] 258 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:282:9
[INFO] [stderr]     |
[INFO] [stderr] 282 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:284:9
[INFO] [stderr]     |
[INFO] [stderr] 284 |         try!(self.reset());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |         try!(self.shift_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:296:45
[INFO] [stderr]     |
[INFO] [stderr] 296 |         if let Some(oe_pin) = self.oe_pin { try!(Pin::new(oe_pin).export()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:296:45
[INFO] [stderr]     |
[INFO] [stderr] 296 |         if let Some(oe_pin) = self.oe_pin { try!(Pin::new(oe_pin).export()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:297:45
[INFO] [stderr]     |
[INFO] [stderr] 297 |         if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).export()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:297:45
[INFO] [stderr]     |
[INFO] [stderr] 297 |         if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).export()) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:298:51
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).export()) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:298:51
[INFO] [stderr]     |
[INFO] [stderr] 298 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).export()) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:299:51
[INFO] [stderr]     |
[INFO] [stderr] 299 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).export()) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:299:51
[INFO] [stderr]     |
[INFO] [stderr] 299 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).export()) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:307:45
[INFO] [stderr]     |
[INFO] [stderr] 307 |         if let Some(oe_pin) = self.oe_pin { try!(Pin::new(oe_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:307:45
[INFO] [stderr]     |
[INFO] [stderr] 307 |         if let Some(oe_pin) = self.oe_pin { try!(Pin::new(oe_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:308:45
[INFO] [stderr]     |
[INFO] [stderr] 308 |         if let Some(oe_pin) = self.oe_pin { try!(Pin::new(oe_pin).set_value(0)) }; // !OE pin low == Shift register enabled.
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:308:45
[INFO] [stderr]     |
[INFO] [stderr] 308 |         if let Some(oe_pin) = self.oe_pin { try!(Pin::new(oe_pin).set_value(0)) }; // !OE pin low == Shift register enabled.
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:309:45
[INFO] [stderr]     |
[INFO] [stderr] 309 |         if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:309:45
[INFO] [stderr]     |
[INFO] [stderr] 309 |         if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:310:45
[INFO] [stderr]     |
[INFO] [stderr] 310 |         if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_value(0)) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:310:45
[INFO] [stderr]     |
[INFO] [stderr] 310 |         if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_value(0)) };
[INFO] [stderr]     |                                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:311:51
[INFO] [stderr]     |
[INFO] [stderr] 311 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:311:51
[INFO] [stderr]     |
[INFO] [stderr] 311 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:312:51
[INFO] [stderr]     |
[INFO] [stderr] 312 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:312:51
[INFO] [stderr]     |
[INFO] [stderr] 312 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:313:51
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:314:51
[INFO] [stderr]     |
[INFO] [stderr] 314 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:313:51
[INFO] [stderr]     |
[INFO] [stderr] 313 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_direction(Direction::Out)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:323:51
[INFO] [stderr]     |
[INFO] [stderr] 323 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_value(1)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:324:51
[INFO] [stderr]     |
[INFO] [stderr] 324 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:314:51
[INFO] [stderr]     |
[INFO] [stderr] 314 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:332:51
[INFO] [stderr]     |
[INFO] [stderr] 332 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_value(1)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:323:51
[INFO] [stderr]     |
[INFO] [stderr] 323 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_value(1)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:333:51
[INFO] [stderr]     |
[INFO] [stderr] 333 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:324:51
[INFO] [stderr]     |
[INFO] [stderr] 324 |         if let Some(clock_pin) = self.clock_pin { try!(Pin::new(clock_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         try!(self.export_pins());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:332:51
[INFO] [stderr]     |
[INFO] [stderr] 332 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_value(1)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 |         try!(self.set_pin_direction_output());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:333:51
[INFO] [stderr]     |
[INFO] [stderr] 333 |         if let Some(latch_pin) = self.latch_pin { try!(Pin::new(latch_pin).set_value(0)) };
[INFO] [stderr]     |                                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:349:60
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 1 => { if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_value(1)) } },
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:343:9
[INFO] [stderr]     |
[INFO] [stderr] 343 |         try!(self.export_pins());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:350:60
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 _ => { if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_value(0)) } },
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 |         try!(self.set_pin_direction_output());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:352:13
[INFO] [stderr]     |
[INFO] [stderr] 352 |             try!(self.clock_in());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         try!(self.latch_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:349:60
[INFO] [stderr]     |
[INFO] [stderr] 349 |                 1 => { if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_value(1)) } },
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:350:60
[INFO] [stderr]     |
[INFO] [stderr] 350 |                 _ => { if let Some(ds_pin) = self.ds_pin { try!(Pin::new(ds_pin).set_value(0)) } },
[INFO] [stderr]     |                                                            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:352:13
[INFO] [stderr]     |
[INFO] [stderr] 352 |             try!(self.clock_in());
[INFO] [stderr]     |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]    --> src/shift_register.rs:354:9
[INFO] [stderr]     |
[INFO] [stderr] 354 |         try!(self.latch_out());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use errors::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use errors::*;
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         SysfsGpio(::sysfs_gpio::Error);
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[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 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         SysfsGpio(::sysfs_gpio::Error);
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[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 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         SysfsGpio(::sysfs_gpio::Error);
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[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 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain! {
[INFO] [stderr] 2 | |
[INFO] [stderr] 3 | |     foreign_links {
[INFO] [stderr] 4 | |         SysfsGpio(::sysfs_gpio::Error);
[INFO] [stderr] 5 | |     }
[INFO] [stderr] 6 | | }
[INFO] [stderr]   | |_^
[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: method is never used: `set`
[INFO] [stderr]    --> src/shift_register.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set(&mut self, num: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set`
[INFO] [stderr]    --> src/shift_register.rs:113:5
[INFO] [stderr]     |
[INFO] [stderr] 113 |     pub fn set(&mut self, num: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/shift_register.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn get(&self, num: u64) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/shift_register.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn clear(&mut self, num: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `get`
[INFO] [stderr]    --> src/shift_register.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     pub fn get(&self, num: u64) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `toggle`
[INFO] [stderr]    --> src/shift_register.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn toggle(&mut self, num: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `clear`
[INFO] [stderr]    --> src/shift_register.rs:173:5
[INFO] [stderr]     |
[INFO] [stderr] 173 |     pub fn clear(&mut self, num: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `toggle`
[INFO] [stderr]    --> src/shift_register.rs:201:5
[INFO] [stderr]     |
[INFO] [stderr] 201 |     pub fn toggle(&mut self, num: u64) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test_random`
[INFO] [stderr]    --> src/shift_register.rs:277:5
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub fn test_random(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `test_random`
[INFO] [stderr]    --> src/shift_register.rs:277:5
[INFO] [stderr]     |
[INFO] [stderr] 277 |     pub fn test_random(&mut self) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         leds.test();
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         relais.test();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 17 |         leds.test();
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |         relais.test();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 42 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.20s
[INFO] running `"docker" "inspect" "86390efd0d93ff46966a0ccdf522daeeab82f86f22fe542a1ace19878580ba1d"`
[INFO] running `"docker" "rm" "-f" "86390efd0d93ff46966a0ccdf522daeeab82f86f22fe542a1ace19878580ba1d"`
[INFO] [stdout] 86390efd0d93ff46966a0ccdf522daeeab82f86f22fe542a1ace19878580ba1d