[INFO] fetching crate fann 0.1.7...
[INFO] checking fann-0.1.7 against try#72f88fc4e9458f89516a0b8b0868f3718aec5b47 for pr-74989
[INFO] extracting crate fann 0.1.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fann 0.1.7 on toolchain 72f88fc4e9458f89516a0b8b0868f3718aec5b47
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fann 0.1.7
[INFO] finished tweaking crates.io crate fann 0.1.7
[INFO] tweaked toml for crates.io crate fann 0.1.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 37ff9ebebe37742e9b9ac9214ac9f0cd6d17fb526b808b254cdade3cfd9d3070
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "37ff9ebebe37742e9b9ac9214ac9f0cd6d17fb526b808b254cdade3cfd9d3070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "37ff9ebebe37742e9b9ac9214ac9f0cd6d17fb526b808b254cdade3cfd9d3070", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ff9ebebe37742e9b9ac9214ac9f0cd6d17fb526b808b254cdade3cfd9d3070", kill_on_drop: false }`
[INFO] [stdout] 37ff9ebebe37742e9b9ac9214ac9f0cd6d17fb526b808b254cdade3cfd9d3070
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+72f88fc4e9458f89516a0b8b0868f3718aec5b47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d192b8e88ea8f0d1805b9b7eb5e30975d80df2b9f5d0c29c53ace0e10a70427d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d192b8e88ea8f0d1805b9b7eb5e30975d80df2b9f5d0c29c53ace0e10a70427d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]     Checking fann-sys v0.1.7
[INFO] [stderr]     Checking fann v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(self.error_type.fmt(f));
[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/error.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(": ".fmt(f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/error.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(FannError::check_no_error(errdat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let filename = try!(to_filename(path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let filename = try!(to_filename(path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             try!(FannError::check_no_error(fann.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             try!(FannError::check_no_error(fann.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:28
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let raw_data = try!(self.get_data()).get_raw();
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:380:24
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let filename = try!(to_filename(path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:389:24
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let filename = try!(to_filename(path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:485:13
[INFO] [stdout]     |
[INFO] [stdout] 485 |             try!(self.check_input_size(input));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:486:13
[INFO] [stdout]     |
[INFO] [stdout] 486 |             try!(self.check_output_size(desired_output));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:527:9
[INFO] [stdout]     |
[INFO] [stdout] 527 |         try!(self.check_input_size(input));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |         try!(self.check_output_size(desired_output));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:544:13
[INFO] [stdout]     |
[INFO] [stdout] 544 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         try!(self.check_input_size(input));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:673:18
[INFO] [stdout]     |
[INFO] [stdout] 673 |         unsafe { try!(FannError::check_no_error(self.raw as *mut fann_error)) };
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/train_data.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type TrainCallback = Fn(c_uint) -> (Vec<fann_type>, Vec<fann_type>);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(c_uint) -> (Vec<fann_type>, Vec<fann_type>)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |     callback: Option<&'a Fn(&Fann, &TrainData, c_uint) -> CallbackResult>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Fann, &TrainData, c_uint) -> CallbackResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 |         callback: &'a Fn(&Fann, &TrainData, c_uint) -> CallbackResult,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Fann, &TrainData, c_uint) -> CallbackResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/error.rs:94:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |         try!(self.error_type.fmt(f));
[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/error.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         try!(": ".fmt(f));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/error.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 150 |         try!(FannError::check_no_error(errdat));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:39:24
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let filename = try!(to_filename(path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:84:13
[INFO] [stdout]    |
[INFO] [stdout] 84 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:91:24
[INFO] [stdout]    |
[INFO] [stdout] 91 |         let filename = try!(to_filename(path));
[INFO] [stdout]    |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/train_data.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:110:13
[INFO] [stdout]     |
[INFO] [stdout] 110 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:120:13
[INFO] [stdout]     |
[INFO] [stdout] 120 |             try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:145:13
[INFO] [stdout]     |
[INFO] [stdout] 145 |             try!(FannError::check_no_error(fann.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/train_data.rs:155:13
[INFO] [stdout]     |
[INFO] [stdout] 155 |             try!(FannError::check_no_error(fann.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:280:28
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let raw_data = try!(self.get_data()).get_raw();
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |         try!(FannError::check_no_error(raw as *mut fann_error));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:380:24
[INFO] [stdout]     |
[INFO] [stdout] 380 |         let filename = try!(to_filename(path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:389:24
[INFO] [stdout]     |
[INFO] [stdout] 389 |         let filename = try!(to_filename(path));
[INFO] [stdout]     |                        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:485:13
[INFO] [stdout]     |
[INFO] [stdout] 485 |             try!(self.check_input_size(input));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:486:13
[INFO] [stdout]     |
[INFO] [stdout] 486 |             try!(self.check_output_size(desired_output));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:488:13
[INFO] [stdout]     |
[INFO] [stdout] 488 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:513:13
[INFO] [stdout]     |
[INFO] [stdout] 513 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:527:9
[INFO] [stdout]     |
[INFO] [stdout] 527 |         try!(self.check_input_size(input));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:528:9
[INFO] [stdout]     |
[INFO] [stdout] 528 |         try!(self.check_output_size(desired_output));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:533:13
[INFO] [stdout]     |
[INFO] [stdout] 533 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:544:13
[INFO] [stdout]     |
[INFO] [stdout] 544 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:571:9
[INFO] [stdout]     |
[INFO] [stdout] 571 |         try!(self.check_input_size(input));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:576:13
[INFO] [stdout]     |
[INFO] [stdout] 576 |             try!(FannError::check_no_error(self.raw as *mut fann_error));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:673:18
[INFO] [stdout]     |
[INFO] [stdout] 673 |         unsafe { try!(FannError::check_no_error(self.raw as *mut fann_error)) };
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/train_data.rs:11:26
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type TrainCallback = Fn(c_uint) -> (Vec<fann_type>, Vec<fann_type>);
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(c_uint) -> (Vec<fann_type>, Vec<fann_type>)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:165:26
[INFO] [stdout]     |
[INFO] [stdout] 165 |     callback: Option<&'a Fn(&Fann, &TrainData, c_uint) -> CallbackResult>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Fann, &TrainData, c_uint) -> CallbackResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:207:23
[INFO] [stdout]     |
[INFO] [stdout] 207 |         callback: &'a Fn(&Fann, &TrainData, c_uint) -> CallbackResult,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Fann, &TrainData, c_uint) -> CallbackResult`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.53s
[INFO] running `Command { std: "docker" "inspect" "d192b8e88ea8f0d1805b9b7eb5e30975d80df2b9f5d0c29c53ace0e10a70427d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d192b8e88ea8f0d1805b9b7eb5e30975d80df2b9f5d0c29c53ace0e10a70427d", kill_on_drop: false }`
[INFO] [stdout] d192b8e88ea8f0d1805b9b7eb5e30975d80df2b9f5d0c29c53ace0e10a70427d
