[INFO] fetching crate pca9685 0.1.0... [INFO] documenting pca9685-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1 [INFO] extracting crate pca9685 0.1.0 into /workspace/builds/worker-26/source [INFO] validating manifest of crates.io crate pca9685 0.1.0 on toolchain 1.61.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate pca9685 0.1.0 [INFO] finished tweaking crates.io crate pca9685 0.1.0 [INFO] tweaked toml for crates.io crate pca9685 0.1.0 written to /workspace/builds/worker-26/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a0a30a1f630e4a349bb6d76c27285e5822aa827ae19973f136be393d1f030e0d [INFO] running `Command { std: "docker" "start" "-a" "a0a30a1f630e4a349bb6d76c27285e5822aa827ae19973f136be393d1f030e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a0a30a1f630e4a349bb6d76c27285e5822aa827ae19973f136be393d1f030e0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a0a30a1f630e4a349bb6d76c27285e5822aa827ae19973f136be393d1f030e0d", kill_on_drop: false }` [INFO] [stdout] a0a30a1f630e4a349bb6d76c27285e5822aa827ae19973f136be393d1f030e0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2a95a972eedf02ce7be999688abc2409f8094c36573579a48ce004f6b43f2aa4 [INFO] running `Command { std: "docker" "start" "-a" "2a95a972eedf02ce7be999688abc2409f8094c36573579a48ce004f6b43f2aa4", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling camino v1.0.9 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling pulldown-cmark v0.9.1 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling bytecount v0.6.2 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling cargo-platform v0.1.2 [INFO] [stderr] Compiling cargo_metadata v0.14.2 [INFO] [stderr] Compiling skeptic v0.13.7 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Documenting pca9685 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking pca9685 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:57:3 [INFO] [stdout] | [INFO] [stdout] 57 | try!(self.device.smbus_write_byte_data(MODE_1_REG, (self.mode & 0x7F) | 0x10)); [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:58:3 [INFO] [stdout] | [INFO] [stdout] 58 | try!(self.device.smbus_write_byte_data(PRE_SCALE_REG, prescalelevel as u8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:59:3 [INFO] [stdout] | [INFO] [stdout] 59 | try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:61:3 [INFO] [stdout] | [INFO] [stdout] 61 | try!(self.device.smbus_write_byte_data(MODE_1_REG, self.mode | 0x80)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:69:3 [INFO] [stdout] | [INFO] [stdout] 69 | try!(self.device.smbus_write_byte_data(LED0_ON_L+4*channel, 0)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:70:3 [INFO] [stdout] | [INFO] [stdout] 70 | try!(self.device.smbus_write_byte_data(LED0_ON_H+4*channel, 0)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:71:3 [INFO] [stdout] | [INFO] [stdout] 71 | try!(self.device.smbus_write_byte_data(LED0_OFF_L+4*channel, (duty_cycle & 0xFF) as u8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:72:3 [INFO] [stdout] | [INFO] [stdout] 72 | try!(self.device.smbus_write_byte_data(LED0_OFF_H+4*channel, (duty_cycle >> 8) as u8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:80:3 [INFO] [stdout] | [INFO] [stdout] 80 | try!(self.device.smbus_write_byte_data(ALL_ON_L, 0)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:81:3 [INFO] [stdout] | [INFO] [stdout] 81 | try!(self.device.smbus_write_byte_data(ALL_ON_H, 0)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:82:3 [INFO] [stdout] | [INFO] [stdout] 82 | try!(self.device.smbus_write_byte_data(ALL_OFF_L, (duty_cycle & 0xFF) as u8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:83:3 [INFO] [stdout] | [INFO] [stdout] 83 | try!(self.device.smbus_write_byte_data(ALL_OFF_H, (duty_cycle >> 8) as u8)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/lib.rs:91:3 [INFO] [stdout] | [INFO] [stdout] 91 | try!(self.set_duty_cycle(channel, 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:99:3 [INFO] [stdout] | [INFO] [stdout] 99 | try!(self.set_all_duty_cycle(duty_cycle)); [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `frequency` [INFO] [stdout] --> src/lib.rs:32:37 [INFO] [stdout] | [INFO] [stdout] 32 | pub fn new(device: LinuxI2CDevice, frequency: u16) -> Result { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frequency` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `AUTO_INCREMENT` [INFO] [stdout] --> src/lib.rs:21:1 [INFO] [stdout] | [INFO] [stdout] 21 | const AUTO_INCREMENT: u8 = 0b1 << 5; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:35:3 [INFO] [stdout] | [INFO] [stdout] 35 | pca9685.set_all_duty_cycle(0); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:36:3 [INFO] [stdout] | [INFO] [stdout] 36 | pca9685.device.smbus_write_byte_data(MODE_2_REG, 0x04); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:37:3 [INFO] [stdout] | [INFO] [stdout] 37 | pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | pca9685.device.smbus_write_byte_data(MODE_1_REG, mode1); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.48s [INFO] running `Command { std: "docker" "inspect" "2a95a972eedf02ce7be999688abc2409f8094c36573579a48ce004f6b43f2aa4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a95a972eedf02ce7be999688abc2409f8094c36573579a48ce004f6b43f2aa4", kill_on_drop: false }` [INFO] [stdout] 2a95a972eedf02ce7be999688abc2409f8094c36573579a48ce004f6b43f2aa4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }` [INFO] [stdout] 22dca0c109beec86d866c1b8972c8029b509f4a78060c4958b31a5277846f079 [INFO] running `Command { std: "docker" "start" "-a" "22dca0c109beec86d866c1b8972c8029b509f4a78060c4958b31a5277846f079", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.39 [INFO] [stderr] Compiling unicode-ident v1.0.0 [INFO] [stderr] Compiling syn v1.0.95 [INFO] [stderr] Compiling serde_derive v1.0.137 [INFO] [stderr] Compiling serde v1.0.137 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling semver v1.0.9 [INFO] [stderr] Compiling camino v1.0.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling ryu v1.0.10 [INFO] [stderr] Compiling pulldown-cmark v0.9.1 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling remove_dir_all v0.5.3 [INFO] [stderr] Compiling fastrand v1.7.0 [INFO] [stderr] Compiling bytecount v0.6.2 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling nix v0.10.0 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling unicase v2.6.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling quote v1.0.18 [INFO] [stderr] Compiling tempfile v3.3.0 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Compiling cargo-platform v0.1.2 [INFO] [stderr] Compiling cargo_metadata v0.14.2 [INFO] [stderr] Compiling skeptic v0.13.7 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Documenting pca9685 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.15s [INFO] running `Command { std: "docker" "inspect" "22dca0c109beec86d866c1b8972c8029b509f4a78060c4958b31a5277846f079", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22dca0c109beec86d866c1b8972c8029b509f4a78060c4958b31a5277846f079", kill_on_drop: false }` [INFO] [stdout] 22dca0c109beec86d866c1b8972c8029b509f4a78060c4958b31a5277846f079