[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 master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmolkov%2Fepd24rwb" "work/builds/worker-1/source"` [INFO] [stderr] Cloning into 'work/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/smolkov/epd24rwb on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-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-1/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/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" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1ab7bcc83d7525cd482b5ec46d1a25c7c1ae46e11bc9e876e5bd907f3ef4df4a [INFO] running `"docker" "start" "-a" "1ab7bcc83d7525cd482b5ec46d1a25c7c1ae46e11bc9e876e5bd907f3ef4df4a"` [INFO] [stderr] Checking futures-core-preview v0.3.0-alpha.18 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking nb v0.1.2 [INFO] [stderr] Checking paw-raw v1.0.0 [INFO] [stderr] Compiling nom v4.2.3 [INFO] [stderr] Checking async-task v1.0.0 [INFO] [stderr] Checking rppal v0.11.3 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking regex v1.2.1 [INFO] [stderr] Checking sysfs_gpio v0.5.4 [INFO] [stderr] Checking i2cdev v0.4.2 [INFO] [stderr] Compiling proc-macro-error v0.2.4 [INFO] [stderr] Checking embedded-hal v0.2.3 [INFO] [stderr] Checking chrono v0.4.7 [INFO] [stderr] Checking spidev v0.3.0 [INFO] [stderr] Checking futures-sink-preview v0.3.0-alpha.18 [INFO] [stderr] Checking serde v1.0.99 [INFO] [stderr] Checking image v0.22.1 [INFO] [stderr] Checking futures-channel-preview v0.3.0-alpha.18 [INFO] [stderr] Checking linux-embedded-hal v0.2.2 [INFO] [stderr] Compiling structopt-derive v0.3.0 [INFO] [stderr] Checking futures-util-preview v0.3.0-alpha.18 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking env_logger v0.6.2 [INFO] [stderr] Checking tinytga v0.1.0 [INFO] [stderr] Checking tinybmp v0.1.0 [INFO] [stderr] Checking embedded-graphics v0.4.9 [INFO] [stderr] Checking qrcode v0.11.0 [INFO] [stderr] Checking profont v0.2.0 [INFO] [stderr] Checking ssd1675 v0.1.0 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking structopt v0.3.0 [INFO] [stderr] Checking futures-executor-preview v0.3.0-alpha.18 [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] Compiling synstructure v0.10.2 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling async-log-attributes v1.0.1 [INFO] [stderr] Compiling paw-attributes v1.0.0 [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 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: 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: 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 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: 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: 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 1m 28s [INFO] running `"docker" "inspect" "1ab7bcc83d7525cd482b5ec46d1a25c7c1ae46e11bc9e876e5bd907f3ef4df4a"` [INFO] running `"docker" "rm" "-f" "1ab7bcc83d7525cd482b5ec46d1a25c7c1ae46e11bc9e876e5bd907f3ef4df4a"` [INFO] [stdout] 1ab7bcc83d7525cd482b5ec46d1a25c7c1ae46e11bc9e876e5bd907f3ef4df4a