[INFO] fetching crate i2cdev-bmp280 0.1.4...
[INFO] building i2cdev-bmp280-0.1.4 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate i2cdev-bmp280 0.1.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate i2cdev-bmp280 0.1.4 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i2cdev-bmp280 0.1.4
[INFO] finished tweaking crates.io crate i2cdev-bmp280 0.1.4
[INFO] tweaked toml for crates.io crate i2cdev-bmp280 0.1.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6167220c227141c2c14910bc9a129928adec6e4f02d9e1cdeb872f7dd98cb389
[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" "6167220c227141c2c14910bc9a129928adec6e4f02d9e1cdeb872f7dd98cb389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6167220c227141c2c14910bc9a129928adec6e4f02d9e1cdeb872f7dd98cb389", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6167220c227141c2c14910bc9a129928adec6e4f02d9e1cdeb872f7dd98cb389", kill_on_drop: false }`
[INFO] [stdout] 6167220c227141c2c14910bc9a129928adec6e4f02d9e1cdeb872f7dd98cb389
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98fef54b390dba765912ddc4d1c0d26d416780955a227689dbee39b3cd3d0679
[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" "98fef54b390dba765912ddc4d1c0d26d416780955a227689dbee39b3cd3d0679", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling i2csensors v0.1.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling skeptic v0.13.6
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling i2cdev-bmp280 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | use byteorder::{ByteOrder, BigEndian, LittleEndian};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(i2cdev.write(&[register]));
[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:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(i2cdev.read(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new<E: Error>(i2cdev: &mut I2CDevice<Error = E>) -> Result<BMP280CalibrationCoefficients, E> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn I2CDevice<Error = E>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x1` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     x1 = 0b00100000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x2` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     x2 = 0b01000000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x4` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     x4 = 0b01100000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x8` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     x8 = 0b10000000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x16` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     x16 = 0b10100000
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `X16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms0_5` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     ms0_5 = 0b00000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms0_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms62_5` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     ms62_5 = 0b00100000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms62_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms125` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ms125 = 0b01000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms125`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms250` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ms250 = 0b01100000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms250`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms500` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     ms500 = 0b10000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms500`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms1000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     ms1000 = 0b10100000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms1000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms2000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ms2000 = 0b11000000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms2000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms4000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ms4000 = 0b11100000
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms4000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:18
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let id = try!(i2cdev.smbus_read_byte_data(0xD0));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(i2cdev.smbus_write_byte_data(0xF4, measurement_control));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         try!(i2cdev.smbus_write_byte_data(0xF5, config));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:28
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let coefficients = try!(BMP280CalibrationCoefficients::new(&mut i2cdev));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(self.barometer.smbus_write_byte_data(0xE0, 0xB6));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut ctrl_meas = try!(self.barometer.smbus_read_byte_data(0xF4));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         try!(self.barometer.smbus_write_byte_data(0xF4, ctrl_meas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:237:16
[INFO] [stdout]     |
[INFO] [stdout] 237 |         var1 = ((((32768 + var1)) * (self.coeff.dig_p1 as i32)) >> 15);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         try!(self.barometer.write(&[BMP280_TEMP_MSB]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.barometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(self.barometer.write(&[BMP280_PRESS_MSB]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         try!(self.barometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut register: u8 = 0x88;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:14
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:34
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut raw_temp: i32 = ((buf[0] as i32) << 12) + ((buf[1] as i32) << 4) + ((buf[2] as i32) >> 4);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         self.temperature_celsius();
[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: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     for i in 1..400{
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Err(e) => {}
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Err(e) => {}
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.95s
[INFO] running `Command { std: "docker" "inspect" "98fef54b390dba765912ddc4d1c0d26d416780955a227689dbee39b3cd3d0679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fef54b390dba765912ddc4d1c0d26d416780955a227689dbee39b3cd3d0679", kill_on_drop: false }`
[INFO] [stdout] 98fef54b390dba765912ddc4d1c0d26d416780955a227689dbee39b3cd3d0679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac81f546e97349888bef8ac33aad351b12645a8eaf2c12f49c08d3ff5af64185
[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" "ac81f546e97349888bef8ac33aad351b12645a8eaf2c12f49c08d3ff5af64185", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | use byteorder::{ByteOrder, BigEndian, LittleEndian};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(i2cdev.write(&[register]));
[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:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(i2cdev.read(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new<E: Error>(i2cdev: &mut I2CDevice<Error = E>) -> Result<BMP280CalibrationCoefficients, E> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn I2CDevice<Error = E>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x1` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     x1 = 0b00100000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x2` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     x2 = 0b01000000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x4` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     x4 = 0b01100000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x8` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     x8 = 0b10000000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x16` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     x16 = 0b10100000
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `X16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms0_5` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     ms0_5 = 0b00000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms0_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms62_5` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     ms62_5 = 0b00100000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms62_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms125` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ms125 = 0b01000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms125`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms250` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ms250 = 0b01100000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms250`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms500` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     ms500 = 0b10000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms500`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms1000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     ms1000 = 0b10100000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms1000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms2000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ms2000 = 0b11000000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms2000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms4000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ms4000 = 0b11100000
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms4000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:18
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let id = try!(i2cdev.smbus_read_byte_data(0xD0));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(i2cdev.smbus_write_byte_data(0xF4, measurement_control));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         try!(i2cdev.smbus_write_byte_data(0xF5, config));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling i2cdev-bmp280 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:28
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let coefficients = try!(BMP280CalibrationCoefficients::new(&mut i2cdev));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(self.barometer.smbus_write_byte_data(0xE0, 0xB6));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut ctrl_meas = try!(self.barometer.smbus_read_byte_data(0xF4));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         try!(self.barometer.smbus_write_byte_data(0xF4, ctrl_meas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:237:16
[INFO] [stdout]     |
[INFO] [stdout] 237 |         var1 = ((((32768 + var1)) * (self.coeff.dig_p1 as i32)) >> 15);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         try!(self.barometer.write(&[BMP280_TEMP_MSB]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.barometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(self.barometer.write(&[BMP280_PRESS_MSB]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         try!(self.barometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut register: u8 = 0x88;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:14
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:34
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut raw_temp: i32 = ((buf[0] as i32) << 12) + ((buf[1] as i32) << 4) + ((buf[2] as i32) >> 4);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         self.temperature_celsius();
[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: 40 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/main.rs:32:25
[INFO] [stdout]    |
[INFO] [stdout] 32 |                     for i in 1..400{
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 Err(e) => {}
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]   --> src/main.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 |         Err(e) => {}
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::thread;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BigEndian`
[INFO] [stdout]   --> src/lib.rs:25:28
[INFO] [stdout]    |
[INFO] [stdout] 25 | use byteorder::{ByteOrder, BigEndian, LittleEndian};
[INFO] [stdout]    |                            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/lib.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |         try!(i2cdev.write(&[register]));
[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:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         try!(i2cdev.read(&mut buf));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:63:39
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn new<E: Error>(i2cdev: &mut I2CDevice<Error = E>) -> Result<BMP280CalibrationCoefficients, E> {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn I2CDevice<Error = E>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x1` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     x1 = 0b00100000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x2` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:123:5
[INFO] [stdout]     |
[INFO] [stdout] 123 |     x2 = 0b01000000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x4` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     x4 = 0b01100000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X4`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x8` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:125:5
[INFO] [stdout]     |
[INFO] [stdout] 125 |     x8 = 0b10000000,
[INFO] [stdout]     |     ^^ help: convert the identifier to upper camel case (notice the capitalization): `X8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `x16` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     x16 = 0b10100000
[INFO] [stdout]     |     ^^^ help: convert the identifier to upper camel case (notice the capitalization): `X16`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms0_5` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:141:5
[INFO] [stdout]     |
[INFO] [stdout] 141 |     ms0_5 = 0b00000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms0_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms62_5` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     ms62_5 = 0b00100000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms62_5`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms125` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:143:5
[INFO] [stdout]     |
[INFO] [stdout] 143 |     ms125 = 0b01000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms125`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms250` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     ms250 = 0b01100000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms250`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms500` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 145 |     ms500 = 0b10000000,
[INFO] [stdout]     |     ^^^^^ help: convert the identifier to upper camel case: `Ms500`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms1000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:146:5
[INFO] [stdout]     |
[INFO] [stdout] 146 |     ms1000 = 0b10100000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms1000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms2000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 147 |     ms2000 = 0b11000000,
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms2000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ms4000` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:148:5
[INFO] [stdout]     |
[INFO] [stdout] 148 |     ms4000 = 0b11100000
[INFO] [stdout]     |     ^^^^^^ help: convert the identifier to upper camel case: `Ms4000`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:185:18
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let id = try!(i2cdev.smbus_read_byte_data(0xD0));
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:191:9
[INFO] [stdout]     |
[INFO] [stdout] 191 |         try!(i2cdev.smbus_write_byte_data(0xF4, measurement_control));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:192:9
[INFO] [stdout]     |
[INFO] [stdout] 192 |         try!(i2cdev.smbus_write_byte_data(0xF5, config));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:194:28
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let coefficients = try!(BMP280CalibrationCoefficients::new(&mut i2cdev));
[INFO] [stdout]     |                            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:206:9
[INFO] [stdout]     |
[INFO] [stdout] 206 |         try!(self.barometer.smbus_write_byte_data(0xE0, 0xB6));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:212:29
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let mut ctrl_meas = try!(self.barometer.smbus_read_byte_data(0xF4));
[INFO] [stdout]     |                             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:215:9
[INFO] [stdout]     |
[INFO] [stdout] 215 |         try!(self.barometer.smbus_write_byte_data(0xF4, ctrl_meas));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/lib.rs:237:16
[INFO] [stdout]     |
[INFO] [stdout] 237 |         var1 = ((((32768 + var1)) * (self.coeff.dig_p1 as i32)) >> 15);
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:336:9
[INFO] [stdout]     |
[INFO] [stdout] 336 |         try!(self.barometer.write(&[BMP280_TEMP_MSB]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:337:9
[INFO] [stdout]     |
[INFO] [stdout] 337 |         try!(self.barometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:346:9
[INFO] [stdout]     |
[INFO] [stdout] 346 |         try!(self.barometer.write(&[BMP280_PRESS_MSB]));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |         try!(self.barometer.read(&mut buf));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:458:25
[INFO] [stdout]     |
[INFO] [stdout] 458 |                     Err(e) => {}
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:461:17
[INFO] [stdout]     |
[INFO] [stdout] 461 |             Err(e) => {}
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:66:13
[INFO] [stdout]    |
[INFO] [stdout] 66 |         let mut register: u8 = 0x88;
[INFO] [stdout]    |             ----^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:14
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:24
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:220:34
[INFO] [stdout]     |
[INFO] [stdout] 220 |         let (mut var1, mut var2, mut t): (i32, i32, i32);
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |              ----^^^^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:24
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |                        ----^^^^
[INFO] [stdout]     |                        |
[INFO] [stdout]     |                        help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:273:34
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (mut var1, mut var2, mut t): (f64, f64, f64);
[INFO] [stdout]     |                                  ----^
[INFO] [stdout]     |                                  |
[INFO] [stdout]     |                                  help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:338:13
[INFO] [stdout]     |
[INFO] [stdout] 338 |         let mut raw_temp: i32 = ((buf[0] as i32) << 12) + ((buf[1] as i32) << 4) + ((buf[2] as i32) >> 4);
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/lib.rs:428:9
[INFO] [stdout]     |
[INFO] [stdout] 428 |         self.temperature_celsius();
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 42 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "ac81f546e97349888bef8ac33aad351b12645a8eaf2c12f49c08d3ff5af64185", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac81f546e97349888bef8ac33aad351b12645a8eaf2c12f49c08d3ff5af64185", kill_on_drop: false }`
[INFO] [stdout] ac81f546e97349888bef8ac33aad351b12645a8eaf2c12f49c08d3ff5af64185
