[INFO] fetching crate sysfs-pwm 0.1.0...
[INFO] testing sysfs-pwm-0.1.0 against beta-2020-10-09 for beta-1.48-1
[INFO] extracting crate sysfs-pwm 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sysfs-pwm 0.1.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sysfs-pwm 0.1.0
[INFO] finished tweaking crates.io crate sysfs-pwm 0.1.0
[INFO] tweaked toml for crates.io crate sysfs-pwm 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 62295f531c9319c43ceb4ccbee68e69712ec4351e3d9c83ef9891d82e8956325
[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" "62295f531c9319c43ceb4ccbee68e69712ec4351e3d9c83ef9891d82e8956325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62295f531c9319c43ceb4ccbee68e69712ec4351e3d9c83ef9891d82e8956325", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62295f531c9319c43ceb4ccbee68e69712ec4351e3d9c83ef9891d82e8956325", kill_on_drop: false }`
[INFO] [stdout] 62295f531c9319c43ceb4ccbee68e69712ec4351e3d9c83ef9891d82e8956325
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25dec852b59a0c4d0fcb4144ac1c83713d8845d74adf51573d341937b6e89902
[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" "25dec852b59a0c4d0fcb4144ac1c83713d8845d74adf51573d341937b6e89902", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysfs-pwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let f = try!(OpenOptions::new().write(true)
[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/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let f = try!(File::open(format!("/sys/class/pwm/pwmchip{}/pwm{}/{}", chip.number, pin, name)));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut f = try!(pwm_file_ro(chip, pin, name));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(f.read_to_string(&mut s));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         try!(fs::metadata(&format!("/sys/class/pwm/pwmchip{}", number)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut npwm_file = try!(File::open(&npwm_path));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(npwm_file.read_to_string(&mut s));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:97:35
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut export_file = try!(File::create(&path));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut export_file = try!(File::create(&path));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:120:29
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let chip: PwmChip = try!(PwmChip::new(chip));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.export());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:31
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut enable_file = try!(pwm_file_wo(&self.chip, self.number, "enable"));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(enable_file.write_all(contents.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:35
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut duty_cycle_file = try!(pwm_file_wo(&self.chip, self.number, "duty_cycle"));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         try!(duty_cycle_file.write_all(format!("{}", duty_cycle_ns).as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:31
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut period_file = try!(pwm_file_wo(&self.chip, self.number, "period"));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(period_file.write_all(format!("{}", period_ns).as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::os::unix::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "25dec852b59a0c4d0fcb4144ac1c83713d8845d74adf51573d341937b6e89902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25dec852b59a0c4d0fcb4144ac1c83713d8845d74adf51573d341937b6e89902", kill_on_drop: false }`
[INFO] [stdout] 25dec852b59a0c4d0fcb4144ac1c83713d8845d74adf51573d341937b6e89902
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0e3d2df4926e68daa79c9dfeeb06ce444063e6c9e06d78ecc1c08142f2ec3d9d
[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" "0e3d2df4926e68daa79c9dfeeb06ce444063e6c9e06d78ecc1c08142f2ec3d9d", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysfs-pwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let f = try!(OpenOptions::new().write(true)
[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/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let f = try!(File::open(format!("/sys/class/pwm/pwmchip{}/pwm{}/{}", chip.number, pin, name)));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut f = try!(pwm_file_ro(chip, pin, name));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(f.read_to_string(&mut s));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         try!(fs::metadata(&format!("/sys/class/pwm/pwmchip{}", number)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut npwm_file = try!(File::open(&npwm_path));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(npwm_file.read_to_string(&mut s));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:97:35
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut export_file = try!(File::create(&path));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut export_file = try!(File::create(&path));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:120:29
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let chip: PwmChip = try!(PwmChip::new(chip));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.export());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:31
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut enable_file = try!(pwm_file_wo(&self.chip, self.number, "enable"));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(enable_file.write_all(contents.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:35
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut duty_cycle_file = try!(pwm_file_wo(&self.chip, self.number, "duty_cycle"));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         try!(duty_cycle_file.write_all(format!("{}", duty_cycle_ns).as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:31
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut period_file = try!(pwm_file_wo(&self.chip, self.number, "period"));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(period_file.write_all(format!("{}", period_ns).as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::os::unix::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let f = try!(OpenOptions::new().write(true)
[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/lib.rs:58:13
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let f = try!(File::open(format!("/sys/class/pwm/pwmchip{}/pwm{}/{}", chip.number, pin, name)));
[INFO] [stdout]    |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut f = try!(pwm_file_ro(chip, pin, name));
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(f.read_to_string(&mut s));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |         try!(fs::metadata(&format!("/sys/class/pwm/pwmchip{}", number)));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:82:29
[INFO] [stdout]    |
[INFO] [stdout] 82 |         let mut npwm_file = try!(File::open(&npwm_path));
[INFO] [stdout]    |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         try!(npwm_file.read_to_string(&mut s));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:97:35
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let mut export_file = try!(File::create(&path));
[INFO] [stdout]    |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:108:35
[INFO] [stdout]     |
[INFO] [stdout] 108 |             let mut export_file = try!(File::create(&path));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:120:29
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let chip: PwmChip = try!(PwmChip::new(chip));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         try!(self.export());
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:151:31
[INFO] [stdout]     |
[INFO] [stdout] 151 |         let mut enable_file = try!(pwm_file_wo(&self.chip, self.number, "enable"));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         try!(enable_file.write_all(contents.as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:171:35
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let mut duty_cycle_file = try!(pwm_file_wo(&self.chip, self.number, "duty_cycle"));
[INFO] [stdout]     |                                   ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         try!(duty_cycle_file.write_all(format!("{}", duty_cycle_ns).as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:183:31
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let mut period_file = try!(pwm_file_wo(&self.chip, self.number, "period"));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:184:9
[INFO] [stdout]     |
[INFO] [stdout] 184 |         try!(period_file.write_all(format!("{}", period_ns).as_bytes()));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/error.rs:32:32
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/breathe.rs:24:26
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let period_ns: u32 = try!(pwm.get_period_ns());
[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]   --> examples/breathe.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         try!(pwm.set_duty_cycle_ns((duty_cycle * period_ns as f32) as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/breathe.rs:37:26
[INFO] [stdout]    |
[INFO] [stdout] 37 |     let period_ns: u32 = try!(pwm.get_period_ns());
[INFO] [stdout]    |                          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> examples/breathe.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |         try!(pwm.set_duty_cycle_ns((duty_cycle * period_ns as f32) as u32));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/error.rs:27:35
[INFO] [stdout]    |
[INFO] [stdout] 27 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]    |                                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::os::unix::prelude`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::os::unix::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "0e3d2df4926e68daa79c9dfeeb06ce444063e6c9e06d78ecc1c08142f2ec3d9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e3d2df4926e68daa79c9dfeeb06ce444063e6c9e06d78ecc1c08142f2ec3d9d", kill_on_drop: false }`
[INFO] [stdout] 0e3d2df4926e68daa79c9dfeeb06ce444063e6c9e06d78ecc1c08142f2ec3d9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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=warn" "-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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 292129653fe913ccd68149b665b4d992f8b2dcba70966faa3c224fc4b6a983bc
[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" "292129653fe913ccd68149b665b4d992f8b2dcba70966faa3c224fc4b6a983bc", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let f = try!(OpenOptions::new().write(true)
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let f = try!(File::open(format!("/sys/class/pwm/pwmchip{}/pwm{}/{}", chip.number, pin, name)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut f = try!(pwm_file_ro(chip, pin, name));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(f.read_to_string(&mut s));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         try!(fs::metadata(&format!("/sys/class/pwm/pwmchip{}", number)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut npwm_file = try!(File::open(&npwm_path));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(npwm_file.read_to_string(&mut s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let mut export_file = try!(File::create(&path));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:108:35
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let mut export_file = try!(File::create(&path));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:120:29
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let chip: PwmChip = try!(PwmChip::new(chip));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.export());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:151:31
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut enable_file = try!(pwm_file_wo(&self.chip, self.number, "enable"));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         try!(enable_file.write_all(contents.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:35
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let mut duty_cycle_file = try!(pwm_file_wo(&self.chip, self.number, "duty_cycle"));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(duty_cycle_file.write_all(format!("{}", duty_cycle_ns).as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:183:31
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let mut period_file = try!(pwm_file_wo(&self.chip, self.number, "period"));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try!(period_file.write_all(format!("{}", period_ns).as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::prelude`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::os::unix::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:48:13
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let f = try!(OpenOptions::new().write(true)
[INFO] [stderr]    |             ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let f = try!(File::open(format!("/sys/class/pwm/pwmchip{}/pwm{}/{}", chip.number, pin, name)));
[INFO] [stderr]    |             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:65:17
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut f = try!(pwm_file_ro(chip, pin, name));
[INFO] [stderr]    |                 ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:66:5
[INFO] [stderr]    |
[INFO] [stderr] 66 |     try!(f.read_to_string(&mut s));
[INFO] [stderr]    |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:76:9
[INFO] [stderr]    |
[INFO] [stderr] 76 |         try!(fs::metadata(&format!("/sys/class/pwm/pwmchip{}", number)));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut npwm_file = try!(File::open(&npwm_path));
[INFO] [stderr]    |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         try!(npwm_file.read_to_string(&mut s));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/lib.rs:97:35
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let mut export_file = try!(File::create(&path));
[INFO] [stderr]    |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:108:35
[INFO] [stderr]     |
[INFO] [stderr] 108 |             let mut export_file = try!(File::create(&path));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:120:29
[INFO] [stderr]     |
[INFO] [stderr] 120 |         let chip: PwmChip = try!(PwmChip::new(chip));
[INFO] [stderr]     |                             ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         try!(self.export());
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:151:31
[INFO] [stderr]     |
[INFO] [stderr] 151 |         let mut enable_file = try!(pwm_file_wo(&self.chip, self.number, "enable"));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |         try!(enable_file.write_all(contents.as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:171:35
[INFO] [stderr]     |
[INFO] [stderr] 171 |         let mut duty_cycle_file = try!(pwm_file_wo(&self.chip, self.number, "duty_cycle"));
[INFO] [stderr]     |                                   ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:172:9
[INFO] [stderr]     |
[INFO] [stderr] 172 |         try!(duty_cycle_file.write_all(format!("{}", duty_cycle_ns).as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:183:31
[INFO] [stderr]     |
[INFO] [stderr] 183 |         let mut period_file = try!(pwm_file_wo(&self.chip, self.number, "period"));
[INFO] [stderr]     |                               ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]    --> src/lib.rs:184:9
[INFO] [stderr]     |
[INFO] [stderr] 184 |         try!(period_file.write_all(format!("{}", period_ns).as_bytes()));
[INFO] [stderr]     |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:32:32
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn cause(&self) -> Option<&::std::error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/error.rs:27:35
[INFO] [stderr]    |
[INFO] [stderr] 27 |             Error::Io(ref e) => e.description(),
[INFO] [stderr]    |                                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::os::unix::prelude`
[INFO] [stderr]   --> src/lib.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::os::unix::prelude::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 20 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/breathe.rs:24:26
[INFO] [stderr]    |
[INFO] [stderr] 24 |     let period_ns: u32 = try!(pwm.get_period_ns());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/breathe.rs:26:9
[INFO] [stderr]    |
[INFO] [stderr] 26 |         try!(pwm.set_duty_cycle_ns((duty_cycle * period_ns as f32) as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/breathe.rs:37:26
[INFO] [stderr]    |
[INFO] [stderr] 37 |     let period_ns: u32 = try!(pwm.get_period_ns());
[INFO] [stderr]    |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> examples/breathe.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |         try!(pwm.set_duty_cycle_ns((duty_cycle * period_ns as f32) as u32));
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sysfs_pwm-ae7faae7c3f0a5d6
[INFO] [stderr]    Doc-tests sysfs-pwm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "292129653fe913ccd68149b665b4d992f8b2dcba70966faa3c224fc4b6a983bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292129653fe913ccd68149b665b4d992f8b2dcba70966faa3c224fc4b6a983bc", kill_on_drop: false }`
[INFO] [stdout] 292129653fe913ccd68149b665b4d992f8b2dcba70966faa3c224fc4b6a983bc
