[INFO] crate bmp280 0.2.1 is already in cache
[INFO] extracting crate bmp280 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/bmp280/0.2.1
[INFO] extracting crate bmp280 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bmp280/0.2.1
[INFO] validating manifest of bmp280-0.2.1 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of bmp280-0.2.1 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing bmp280-0.2.1
[INFO] finished frobbing bmp280-0.2.1
[INFO] frobbed toml for bmp280-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/bmp280/0.2.1/Cargo.toml
[INFO] started frobbing bmp280-0.2.1
[INFO] finished frobbing bmp280-0.2.1
[INFO] frobbed toml for bmp280-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/bmp280/0.2.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing bmp280-0.2.1 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bmp280/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 682e3285356ea475b82b5d6e2641cfc2af89e9ac524deacbe19e146eed0c14db
[INFO] running `"docker" "start" "-a" "682e3285356ea475b82b5d6e2641cfc2af89e9ac524deacbe19e146eed0c14db"`
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]    Compiling bmp280 v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `dig_h1`
[INFO] [stderr]    --> src/lib.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     dig_h1: u8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h2`
[INFO] [stderr]    --> src/lib.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     dig_h2: i16,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h3`
[INFO] [stderr]    --> src/lib.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     dig_h3: u8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h4`
[INFO] [stderr]    --> src/lib.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     dig_h4: i16,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h5`
[INFO] [stderr]    --> src/lib.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     dig_h5: i16,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h6`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     dig_h6: i8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sensor_id`
[INFO] [stderr]    --> src/lib.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     sensor_id: i32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write16`
[INFO] [stderr]    --> src/lib.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     fn write16(&mut self, reg: &Register, value: u16) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read16`
[INFO] [stderr]    --> src/lib.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn read16(&mut self, reg: &Register) -> Result<u16> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read16s`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn read16s(&mut self, reg: &Register) -> Result<i16> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.45s
[INFO] running `"docker" "inspect" "682e3285356ea475b82b5d6e2641cfc2af89e9ac524deacbe19e146eed0c14db"`
[INFO] running `"docker" "rm" "-f" "682e3285356ea475b82b5d6e2641cfc2af89e9ac524deacbe19e146eed0c14db"`
[INFO] [stdout] 682e3285356ea475b82b5d6e2641cfc2af89e9ac524deacbe19e146eed0c14db
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bmp280/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] ec46862dda4c321d1f35c313d5243686cf274bd6cef8e614f83da5093f228213
[INFO] running `"docker" "start" "-a" "ec46862dda4c321d1f35c313d5243686cf274bd6cef8e614f83da5093f228213"`
[INFO] [stderr]    Compiling bmp280 v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `dig_h1`
[INFO] [stderr]    --> src/lib.rs:124:5
[INFO] [stderr]     |
[INFO] [stderr] 124 |     dig_h1: u8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h2`
[INFO] [stderr]    --> src/lib.rs:125:5
[INFO] [stderr]     |
[INFO] [stderr] 125 |     dig_h2: i16,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h3`
[INFO] [stderr]    --> src/lib.rs:126:5
[INFO] [stderr]     |
[INFO] [stderr] 126 |     dig_h3: u8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h4`
[INFO] [stderr]    --> src/lib.rs:127:5
[INFO] [stderr]     |
[INFO] [stderr] 127 |     dig_h4: i16,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h5`
[INFO] [stderr]    --> src/lib.rs:128:5
[INFO] [stderr]     |
[INFO] [stderr] 128 |     dig_h5: i16,
[INFO] [stderr]     |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `dig_h6`
[INFO] [stderr]    --> src/lib.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     dig_h6: i8,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `sensor_id`
[INFO] [stderr]    --> src/lib.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     sensor_id: i32,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `write16`
[INFO] [stderr]    --> src/lib.rs:246:5
[INFO] [stderr]     |
[INFO] [stderr] 246 |     fn write16(&mut self, reg: &Register, value: u16) -> Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read16`
[INFO] [stderr]    --> src/lib.rs:256:5
[INFO] [stderr]     |
[INFO] [stderr] 256 |     fn read16(&mut self, reg: &Register) -> Result<u16> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read16s`
[INFO] [stderr]    --> src/lib.rs:269:5
[INFO] [stderr]     |
[INFO] [stderr] 269 |     fn read16s(&mut self, reg: &Register) -> Result<i16> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "ec46862dda4c321d1f35c313d5243686cf274bd6cef8e614f83da5093f228213"`
[INFO] running `"docker" "rm" "-f" "ec46862dda4c321d1f35c313d5243686cf274bd6cef8e614f83da5093f228213"`
[INFO] [stdout] ec46862dda4c321d1f35c313d5243686cf274bd6cef8e614f83da5093f228213
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/bmp280/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 843e5ca81af800f39acf2a55f579ff4f1b1bb2e2d56d70dba9f4efdbde4fe743
[INFO] running `"docker" "start" "-a" "843e5ca81af800f39acf2a55f579ff4f1b1bb2e2d56d70dba9f4efdbde4fe743"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/bmp280-16c5097a0180986e
[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] [stderr]    Doc-tests bmp280
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - Bmp280Builder (line 149) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "843e5ca81af800f39acf2a55f579ff4f1b1bb2e2d56d70dba9f4efdbde4fe743"`
[INFO] running `"docker" "rm" "-f" "843e5ca81af800f39acf2a55f579ff4f1b1bb2e2d56d70dba9f4efdbde4fe743"`
[INFO] [stdout] 843e5ca81af800f39acf2a55f579ff4f1b1bb2e2d56d70dba9f4efdbde4fe743