[INFO] fetching crate ufire_iso_ec 0.9.2... [INFO] documenting ufire_iso_ec-0.9.2 against beta-2020-08-29 for beta-1.47-rustdoc-1 [INFO] extracting crate ufire_iso_ec 0.9.2 into /workspace/builds/worker-0/source [INFO] validating manifest of crates.io crate ufire_iso_ec 0.9.2 on toolchain beta-2020-08-29 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate ufire_iso_ec 0.9.2 [INFO] finished tweaking crates.io crate ufire_iso_ec 0.9.2 [INFO] tweaked toml for crates.io crate ufire_iso_ec 0.9.2 written to /workspace/builds/worker-0/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 87432182def53f9c4cbe6c2d0a6c2230641923d3300407f5618c087e1087141c [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" "87432182def53f9c4cbe6c2d0a6c2230641923d3300407f5618c087e1087141c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "87432182def53f9c4cbe6c2d0a6c2230641923d3300407f5618c087e1087141c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87432182def53f9c4cbe6c2d0a6c2230641923d3300407f5618c087e1087141c", kill_on_drop: false }` [INFO] [stdout] 87432182def53f9c4cbe6c2d0a6c2230641923d3300407f5618c087e1087141c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07c3cc40981dd4eb1c7154bd9bd48f71089becf1dab483c462f72b5f0d8f5073 [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" "07c3cc40981dd4eb1c7154bd9bd48f71089becf1dab483c462f72b5f0d8f5073", kill_on_drop: false }` [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling error-chain v0.12.4 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling serde_json v1.0.57 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking shrust v0.0.6 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling i2cdev v0.3.2 [INFO] [stderr] Checking ufire_iso_ec v0.9.2 (/opt/rustwide/workdir) [INFO] [stderr] Documenting ufire_iso_ec v0.9.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:46 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn measure_temp(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:147:57 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:163:63 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:199:45 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn measure_raw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:226:51 [INFO] [stdout] | [INFO] [stdout] 226 | pub fn get_temp_constant(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:250:54 [INFO] [stdout] | [INFO] [stdout] 250 | pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:262:59 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:276:72 [INFO] [stdout] | [INFO] [stdout] 276 | pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:290:45 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn get_version(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:302:46 [INFO] [stdout] | [INFO] [stdout] 302 | pub fn get_firmware(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:373:54 [INFO] [stdout] | [INFO] [stdout] 373 | pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:384:62 [INFO] [stdout] | [INFO] [stdout] 384 | pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:395:60 [INFO] [stdout] | [INFO] [stdout] 395 | pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:406:61 [INFO] [stdout] | [INFO] [stdout] 406 | pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:417:59 [INFO] [stdout] | [INFO] [stdout] 417 | pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:437:62 [INFO] [stdout] | [INFO] [stdout] 437 | pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:75:46 [INFO] [stdout] | [INFO] [stdout] 75 | pub fn measure_temp(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:147:57 [INFO] [stdout] | [INFO] [stdout] 147 | pub fn measure_ec(&mut self, temp_c: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:163:63 [INFO] [stdout] | [INFO] [stdout] 163 | pub fn measure_salinity(&mut self, temp_c: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:199:45 [INFO] [stdout] | [INFO] [stdout] 199 | pub fn measure_raw(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:226:51 [INFO] [stdout] | [INFO] [stdout] 226 | pub fn get_temp_constant(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:250:54 [INFO] [stdout] | [INFO] [stdout] 250 | pub fn get_temp_coefficient(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:262:59 [INFO] [stdout] | [INFO] [stdout] 262 | pub fn read_eeprom(&mut self, address: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:276:72 [INFO] [stdout] | [INFO] [stdout] 276 | pub fn write_eeprom(&mut self, address: f32, value: f32) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:290:45 [INFO] [stdout] | [INFO] [stdout] 290 | pub fn get_version(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:302:46 [INFO] [stdout] | [INFO] [stdout] 302 | pub fn get_firmware(&mut self) -> Result<(u8), Box> { [INFO] [stdout] | ^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:373:54 [INFO] [stdout] | [INFO] [stdout] 373 | pub fn get_calibrate_offset(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:384:62 [INFO] [stdout] | [INFO] [stdout] 384 | pub fn get_calibrate_high_reference(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:395:60 [INFO] [stdout] | [INFO] [stdout] 395 | pub fn get_calibrate_high_reading(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:406:61 [INFO] [stdout] | [INFO] [stdout] 406 | pub fn get_calibrate_low_reference(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:417:59 [INFO] [stdout] | [INFO] [stdout] 417 | pub fn get_calibrate_low_reading(&mut self) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around type [INFO] [stdout] --> src/lib.rs:437:62 [INFO] [stdout] | [INFO] [stdout] 437 | pub fn _read_register(&mut self, register: u8) -> Result<(f32), Box> { [INFO] [stdout] | ^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 16 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.32s [INFO] running `Command { std: "docker" "inspect" "07c3cc40981dd4eb1c7154bd9bd48f71089becf1dab483c462f72b5f0d8f5073", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07c3cc40981dd4eb1c7154bd9bd48f71089becf1dab483c462f72b5f0d8f5073", kill_on_drop: false }` [INFO] [stdout] 07c3cc40981dd4eb1c7154bd9bd48f71089becf1dab483c462f72b5f0d8f5073