[INFO] updating cached repository https://github.com/laser/rust-adafruit-bonnet-playground
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a3dc92fecbfdf2337acc2a77211d8c0627ab6bf
[INFO] testing laser/rust-adafruit-bonnet-playground against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Flaser%2Frust-adafruit-bonnet-playground" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/laser/rust-adafruit-bonnet-playground on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/laser/rust-adafruit-bonnet-playground
[INFO] finished tweaking git repo https://github.com/laser/rust-adafruit-bonnet-playground
[INFO] tweaked toml for git repo https://github.com/laser/rust-adafruit-bonnet-playground written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/laser/rust-adafruit-bonnet-playground already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 611f09785e3883bf66f74eee60aba96c9ce2e88db78f6dc48e7849075052938c
[INFO] running `"docker" "start" "-a" "611f09785e3883bf66f74eee60aba96c9ce2e88db78f6dc48e7849075052938c"`
[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 ssd1306 v0.2.5
[INFO] [stderr]    Compiling mio_httpc v0.8.6
[INFO] [stderr]    Compiling cast v0.2.2
[INFO] [stderr]    Compiling md5 v0.6.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling nix v0.6.0
[INFO] [stderr]    Compiling libflate v0.1.23
[INFO] [stderr]    Compiling sysfs_gpio v0.5.4
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]    Compiling embedded-hal v0.2.3
[INFO] [stderr]    Compiling tinytga v0.1.0
[INFO] [stderr]    Compiling tinybmp v0.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling embedded-graphics v0.4.9
[INFO] [stderr]    Compiling spidev v0.3.0
[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/rustwide/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 18.93s
[INFO] running `"docker" "inspect" "611f09785e3883bf66f74eee60aba96c9ce2e88db78f6dc48e7849075052938c"`
[INFO] running `"docker" "rm" "-f" "611f09785e3883bf66f74eee60aba96c9ce2e88db78f6dc48e7849075052938c"`
[INFO] [stdout] 611f09785e3883bf66f74eee60aba96c9ce2e88db78f6dc48e7849075052938c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bdc3f2109c4aad955867059dc8412993d14fe0de83a0fc6b79827e53b6f66aff
[INFO] running `"docker" "start" "-a" "bdc3f2109c4aad955867059dc8412993d14fe0de83a0fc6b79827e53b6f66aff"`
[INFO] [stderr]    Compiling adafruit-bonnet-playground v0.1.0 (/opt/rustwide/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 2.06s
[INFO] running `"docker" "inspect" "bdc3f2109c4aad955867059dc8412993d14fe0de83a0fc6b79827e53b6f66aff"`
[INFO] running `"docker" "rm" "-f" "bdc3f2109c4aad955867059dc8412993d14fe0de83a0fc6b79827e53b6f66aff"`
[INFO] [stdout] bdc3f2109c4aad955867059dc8412993d14fe0de83a0fc6b79827e53b6f66aff
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 4479bd0d5e8fcfa91d0a29de5e401edc5be78baf012ea65fbca3d106bba4e2a1
[INFO] running `"docker" "start" "-a" "4479bd0d5e8fcfa91d0a29de5e401edc5be78baf012ea65fbca3d106bba4e2a1"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/adafruit_bonnet_playground-ed296cc551ba3b66
[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" "4479bd0d5e8fcfa91d0a29de5e401edc5be78baf012ea65fbca3d106bba4e2a1"`
[INFO] running `"docker" "rm" "-f" "4479bd0d5e8fcfa91d0a29de5e401edc5be78baf012ea65fbca3d106bba4e2a1"`
[INFO] [stdout] 4479bd0d5e8fcfa91d0a29de5e401edc5be78baf012ea65fbca3d106bba4e2a1