[INFO] cloning repository https://github.com/ddannyll/embedded-rust-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddannyll/embedded-rust-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddannyll%2Fembedded-rust-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddannyll%2Fembedded-rust-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bef1116e3af51054a4e1051f43a4dc02c2fe871
[INFO] checking ddannyll/embedded-rust-playground against master#64b185eddaa1d7ddf5e0c024be23b9cbba6c1722 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddannyll%2Fembedded-rust-playground" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-4-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/ddannyll/embedded-rust-playground
[INFO] finished tweaking git repo https://github.com/ddannyll/embedded-rust-playground
[INFO] tweaked toml for git repo https://github.com/ddannyll/embedded-rust-playground written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ddannyll/embedded-rust-playground on toolchain 64b185eddaa1d7ddf5e0c024be23b9cbba6c1722
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ddannyll/embedded-rust-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded epd-waveshare v0.6.0
[INFO] [stderr]   Downloaded rppal v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41def93feaa89ef745cc8bb7b2d13f2dbbb64ebb7565dd36e8d17fb09d96c883
[INFO] running `Command { std: "docker" "start" "-a" "41def93feaa89ef745cc8bb7b2d13f2dbbb64ebb7565dd36e8d17fb09d96c883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41def93feaa89ef745cc8bb7b2d13f2dbbb64ebb7565dd36e8d17fb09d96c883", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41def93feaa89ef745cc8bb7b2d13f2dbbb64ebb7565dd36e8d17fb09d96c883", kill_on_drop: false }`
[INFO] [stdout] 41def93feaa89ef745cc8bb7b2d13f2dbbb64ebb7565dd36e8d17fb09d96c883
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+64b185eddaa1d7ddf5e0c024be23b9cbba6c1722" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8151afbdbdff4c894602bca0901878ad3897de056145b1e44bde334a487e8875
[INFO] running `Command { std: "docker" "start" "-a" "8151afbdbdff4c894602bca0901878ad3897de056145b1e44bde334a487e8875", kill_on_drop: false }`
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking nb v1.1.0
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking embedded-hal v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking spin_sleep v1.2.1
[INFO] [stderr]     Checking micromath v2.1.0
[INFO] [stderr]     Checking bit_field v0.10.2
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.7
[INFO] [stderr]     Checking embedded-hal-nb v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking rppal v0.19.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking embedded-graphics-core v0.4.0
[INFO] [stderr]     Checking epd-waveshare v0.6.0
[INFO] [stderr]     Checking embedded-graphics v0.8.1
[INFO] [stderr]     Checking hello-world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FONT_8X13`
[INFO] [stdout]  --> src/main.rs:3:55
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedded_graphics::mono_font::ascii::{FONT_10X20, FONT_8X13};
[INFO] [stdout]   |                                                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineHeight`
[INFO] [stdout]  --> src/main.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use embedded_graphics::text::{Alignment, Baseline, LineHeight, Text, TextStyleBuilder};
[INFO] [stdout]   |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::delay::DelayNs`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embedded_hal::delay::DelayNs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FONT_8X13`
[INFO] [stdout]  --> src/main.rs:3:55
[INFO] [stdout]   |
[INFO] [stdout] 3 | use embedded_graphics::mono_font::ascii::{FONT_10X20, FONT_8X13};
[INFO] [stdout]   |                                                       ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LineHeight`
[INFO] [stdout]  --> src/main.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use embedded_graphics::text::{Alignment, Baseline, LineHeight, Text, TextStyleBuilder};
[INFO] [stdout]   |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `embedded_hal::delay::DelayNs`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use embedded_hal::delay::DelayNs;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.67s
[INFO] running `Command { std: "docker" "inspect" "8151afbdbdff4c894602bca0901878ad3897de056145b1e44bde334a487e8875", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8151afbdbdff4c894602bca0901878ad3897de056145b1e44bde334a487e8875", kill_on_drop: false }`
[INFO] [stdout] 8151afbdbdff4c894602bca0901878ad3897de056145b1e44bde334a487e8875