[INFO] updating cached repository https://github.com/smolkov/epd24rwb [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/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] d627d9394f5c05cc920f5ca44bc9cce2bd04ef5d [INFO] checking smolkov/epd24rwb against try#8d67a66581ea5498d7ac03b8f88a478d8ec75cf0 for pr-64564 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolkov%2Fepd24rwb" "work/builds/worker-2/source"` [INFO] [stderr] Cloning into 'work/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smolkov/epd24rwb on toolchain 8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/smolkov/epd24rwb [INFO] finished tweaking git repo https://github.com/smolkov/epd24rwb [INFO] tweaked toml for git repo https://github.com/smolkov/epd24rwb written to work/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/smolkov/epd24rwb already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/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=forbid" "-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" "+8d67a66581ea5498d7ac03b8f88a478d8ec75cf0-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f65522c6bae1f633e89cb10327ce98c2a38c3da33ddf2120b8a1e475ce4f8248 [INFO] running `"docker" "start" "-a" "f65522c6bae1f633e89cb10327ce98c2a38c3da33ddf2120b8a1e475ce4f8248"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling proc-macro2 v1.0.2 [INFO] [stderr] Compiling semver v0.1.20 [INFO] [stderr] Checking futures-io-preview v0.3.0-alpha.18 [INFO] [stderr] Checking pin-utils v0.1.0-alpha.4 [INFO] [stderr] Compiling syn v1.0.5 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling cc v1.0.41 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling serde v1.0.99 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Compiling libm v0.1.4 [INFO] [stderr] Checking bitflags v0.3.3 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Checking regex-syntax v0.6.11 [INFO] [stderr] Checking checked_int_cast v1.0.0 [INFO] [stderr] Checking paw-raw v1.0.0 [INFO] [stderr] Checking cast v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Compiling num-rational v0.2.2 [INFO] [stderr] Compiling num-iter v0.1.39 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling rustc_version v0.1.7 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking rppal v0.11.3 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling nix v0.6.0 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling backtrace-sys v0.1.31 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking tinytga v0.1.0 [INFO] [stderr] Checking tinybmp v0.1.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Checking embedded-graphics v0.4.9 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking i2cdev v0.4.2 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking backtrace v0.3.35 [INFO] [stderr] Checking profont v0.2.0 [INFO] [stderr] Checking ssd1675 v0.1.0 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 [INFO] [stderr] Checking futures-preview v0.3.0-alpha.18 [INFO] [stderr] Checking futures-timer v0.3.0 [INFO] [stderr] Checking async-std v0.99.4 [INFO] [stderr] Checking qrcode v0.11.0 [INFO] [stderr] Compiling proc-macro-error v0.2.4 [INFO] [stderr] Compiling synstructure v0.10.2 [INFO] [stderr] Compiling serde_derive v1.0.99 [INFO] [stderr] Compiling structopt-derive v0.3.0 [INFO] [stderr] Compiling paw-attributes v1.0.0 [INFO] [stderr] Compiling async-log-attributes v1.0.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Checking structopt v0.3.0 [INFO] [stderr] Checking paw v1.0.0 [INFO] [stderr] Checking failure v0.1.5 [INFO] [stderr] Checking async-log v2.0.0 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking epd24rwb v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `async_std::prelude::*` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use async_std::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `async_std::prelude::*` [INFO] [stderr] --> src/lib.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use async_std::prelude::*; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:68:40 [INFO] [stderr] | [INFO] [stderr] 68 | pub async fn start() -> io::Result<()> { [INFO] [stderr] | ________________________________________^ [INFO] [stderr] 69 | | // Configure SPI [INFO] [stderr] 70 | | let mut spi = Spidev::open("/dev/spidev0.0").expect("SPI device"); [INFO] [stderr] 71 | | let options = SpidevOptions::new() [INFO] [stderr] ... | [INFO] [stderr] 265 | | } [INFO] [stderr] 266 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/lib.rs:68:40 [INFO] [stderr] | [INFO] [stderr] 68 | pub async fn start() -> io::Result<()> { [INFO] [stderr] | ________________________________________^ [INFO] [stderr] 69 | | // Configure SPI [INFO] [stderr] 70 | | let mut spi = Spidev::open("/dev/spidev0.0").expect("SPI device"); [INFO] [stderr] 71 | | let options = SpidevOptions::new() [INFO] [stderr] ... | [INFO] [stderr] 265 | | } [INFO] [stderr] 266 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `one_minute` [INFO] [stderr] --> src/lib.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | let one_minute = Duration::from_secs(60); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_one_minute` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `one_minute` [INFO] [stderr] --> src/lib.rs:130:13 [INFO] [stderr] | [INFO] [stderr] 130 | let one_minute = Duration::from_secs(60); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_one_minute` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/lib.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/lib.rs:264:9 [INFO] [stderr] | [INFO] [stderr] 264 | task::sleep(one_minute); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unused implementer of `std::future::Future` that must be used [INFO] [stderr] --> src/lib.rs:264:9 [INFO] [stderr] | [INFO] [stderr] 264 | task::sleep(one_minute); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: futures do nothing unless you `.await` or poll them [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:17:38 [INFO] [stderr] | [INFO] [stderr] 17 | async fn brocker() -> io::Result<()> { [INFO] [stderr] | ______________________________________^ [INFO] [stderr] 18 | | let socket = UdpSocket::bind("127.0.0.1:8080").await?; [INFO] [stderr] 19 | | let mut buf = vec![0u8; 1024]; [INFO] [stderr] 20 | | [INFO] [stderr] ... | [INFO] [stderr] 27 | | } [INFO] [stderr] 28 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/main.rs:17:38 [INFO] [stderr] | [INFO] [stderr] 17 | async fn brocker() -> io::Result<()> { [INFO] [stderr] | ______________________________________^ [INFO] [stderr] 18 | | let socket = UdpSocket::bind("127.0.0.1:8080").await?; [INFO] [stderr] 19 | | let mut buf = vec![0u8; 1024]; [INFO] [stderr] 20 | | [INFO] [stderr] ... | [INFO] [stderr] 27 | | } [INFO] [stderr] 28 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable [INFO] [stderr] --> src/main.rs:9:12 [INFO] [stderr] | [INFO] [stderr] 9 | #![feature(async_await)] [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 33s [INFO] running `"docker" "inspect" "f65522c6bae1f633e89cb10327ce98c2a38c3da33ddf2120b8a1e475ce4f8248"` [INFO] running `"docker" "rm" "-f" "f65522c6bae1f633e89cb10327ce98c2a38c3da33ddf2120b8a1e475ce4f8248"` [INFO] [stdout] f65522c6bae1f633e89cb10327ce98c2a38c3da33ddf2120b8a1e475ce4f8248