[INFO] updating cached repository laser/rust-adafruit-bonnet-playground
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/laser/rust-adafruit-bonnet-playground
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/laser/rust-adafruit-bonnet-playground" "work/ex/beta-1.37-6/sources/1.36.0/gh/laser/rust-adafruit-bonnet-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/laser/rust-adafruit-bonnet-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/laser/rust-adafruit-bonnet-playground" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laser/rust-adafruit-bonnet-playground"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laser/rust-adafruit-bonnet-playground'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a3dc92fecbfdf2337acc2a77211d8c0627ab6bf
[INFO] sha for GitHub repo laser/rust-adafruit-bonnet-playground: 6a3dc92fecbfdf2337acc2a77211d8c0627ab6bf
[INFO] validating manifest of laser/rust-adafruit-bonnet-playground on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of laser/rust-adafruit-bonnet-playground on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing laser/rust-adafruit-bonnet-playground
[INFO] finished frobbing laser/rust-adafruit-bonnet-playground
[INFO] frobbed toml for laser/rust-adafruit-bonnet-playground written to work/ex/beta-1.37-6/sources/1.36.0/gh/laser/rust-adafruit-bonnet-playground/Cargo.toml
[INFO] started frobbing laser/rust-adafruit-bonnet-playground
[INFO] finished frobbing laser/rust-adafruit-bonnet-playground
[INFO] frobbed toml for laser/rust-adafruit-bonnet-playground written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laser/rust-adafruit-bonnet-playground/Cargo.toml
[INFO] crate laser/rust-adafruit-bonnet-playground already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing laser/rust-adafruit-bonnet-playground against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laser/rust-adafruit-bonnet-playground:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 9096a45d673f4239b15acc354422c46189abc1e028883fae2580727c6c6bfda6
[INFO] running `"docker" "start" "-a" "9096a45d673f4239b15acc354422c46189abc1e028883fae2580727c6c6bfda6"`
[INFO] [stderr]    Compiling libc v0.2.58 (https://github.com/rust-lang/libc#5bbba03e)
[INFO] [stderr]    Compiling nix v0.13.0 (https://github.com/nix-rust/nix/?rev=196b05b5c7b#196b05b5)
[INFO] [stderr]    Compiling nb v0.1.2
[INFO] [stderr]    Compiling mio_httpc v0.8.6
[INFO] [stderr]    Compiling ssd1306 v0.2.5
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling libflate v0.1.23
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling tinytga v0.1.0
[INFO] [stderr]    Compiling tinybmp v0.1.0
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling spidev v0.3.0
[INFO] [stderr]    Compiling embedded-graphics v0.4.9
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling i2cdev v0.4.1 (https://github.com/laser/rust-i2cdev#a148c1e2)
[INFO] [stderr]    Compiling linux-embedded-hal v0.2.2 (https://github.com/laser/linux-embedded-hal#09847e70)
[INFO] [stderr]    Compiling adafruit-bonnet-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         CallBuilder::get()
[INFO] [stderr] 46 | |             .timeout_ms(5000)
[INFO] [stderr] 47 | |             .url("http://worldclockapi.com/api/json/pst/now")?
[INFO] [stderr] 48 | |             .exec()
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |                 eprintln!("request lib error {:?}", x);
[INFO] [stderr] 64 | |             });
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 | /                 serde_json::from_slice(&body)
[INFO] [stderr] 51 | |                     .map(|time: Time| {
[INFO] [stderr] 52 | |                         let s: Vec<&str> = time.current_date_time.split("T").skip(1).collect();
[INFO] [stderr] 53 | |                         let s: Vec<&str> = s[0].split("-").take(1).collect();
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |                         eprintln!("can't parse JSON {:?}", x);
[INFO] [stderr] 60 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.69s
[INFO] running `"docker" "inspect" "9096a45d673f4239b15acc354422c46189abc1e028883fae2580727c6c6bfda6"`
[INFO] running `"docker" "rm" "-f" "9096a45d673f4239b15acc354422c46189abc1e028883fae2580727c6c6bfda6"`
[INFO] [stdout] 9096a45d673f4239b15acc354422c46189abc1e028883fae2580727c6c6bfda6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laser/rust-adafruit-bonnet-playground:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 17f79bc31aedb964c15e5df07741dc389ff3a98fc5fe1fac27d1a7ab50da10e2
[INFO] running `"docker" "start" "-a" "17f79bc31aedb964c15e5df07741dc389ff3a98fc5fe1fac27d1a7ab50da10e2"`
[INFO] [stderr]    Compiling adafruit-bonnet-playground v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:45:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | /         CallBuilder::get()
[INFO] [stderr] 46 | |             .timeout_ms(5000)
[INFO] [stderr] 47 | |             .url("http://worldclockapi.com/api/json/pst/now")?
[INFO] [stderr] 48 | |             .exec()
[INFO] [stderr] ...  |
[INFO] [stderr] 63 | |                 eprintln!("request lib error {:?}", x);
[INFO] [stderr] 64 | |             });
[INFO] [stderr]    | |_______________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:50:17
[INFO] [stderr]    |
[INFO] [stderr] 50 | /                 serde_json::from_slice(&body)
[INFO] [stderr] 51 | |                     .map(|time: Time| {
[INFO] [stderr] 52 | |                         let s: Vec<&str> = time.current_date_time.split("T").skip(1).collect();
[INFO] [stderr] 53 | |                         let s: Vec<&str> = s[0].split("-").take(1).collect();
[INFO] [stderr] ...  |
[INFO] [stderr] 59 | |                         eprintln!("can't parse JSON {:?}", x);
[INFO] [stderr] 60 | |                     });
[INFO] [stderr]    | |_______________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.14s
[INFO] running `"docker" "inspect" "17f79bc31aedb964c15e5df07741dc389ff3a98fc5fe1fac27d1a7ab50da10e2"`
[INFO] running `"docker" "rm" "-f" "17f79bc31aedb964c15e5df07741dc389ff3a98fc5fe1fac27d1a7ab50da10e2"`
[INFO] [stdout] 17f79bc31aedb964c15e5df07741dc389ff3a98fc5fe1fac27d1a7ab50da10e2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/laser/rust-adafruit-bonnet-playground:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 6a7d180fe24ba15edccfb361918e2a2cf46297844a87b88dd751fbe9352d2be1
[INFO] running `"docker" "start" "-a" "6a7d180fe24ba15edccfb361918e2a2cf46297844a87b88dd751fbe9352d2be1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/adafruit_bonnet_playground-7162608028f49b79
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "6a7d180fe24ba15edccfb361918e2a2cf46297844a87b88dd751fbe9352d2be1"`
[INFO] running `"docker" "rm" "-f" "6a7d180fe24ba15edccfb361918e2a2cf46297844a87b88dd751fbe9352d2be1"`
[INFO] [stdout] 6a7d180fe24ba15edccfb361918e2a2cf46297844a87b88dd751fbe9352d2be1