[INFO] fetching crate epd-waveshare-uart 0.1.0...
[INFO] testing epd-waveshare-uart-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate epd-waveshare-uart 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate epd-waveshare-uart 0.1.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate epd-waveshare-uart 0.1.0
[INFO] finished tweaking crates.io crate epd-waveshare-uart 0.1.0
[INFO] tweaked toml for crates.io crate epd-waveshare-uart 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 509cf16c3dcbac4d2c2cdf851b8dd918df0d7b3925ca3115ca72ce443786625b
[INFO] running `Command { std: "docker" "start" "-a" "509cf16c3dcbac4d2c2cdf851b8dd918df0d7b3925ca3115ca72ce443786625b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "509cf16c3dcbac4d2c2cdf851b8dd918df0d7b3925ca3115ca72ce443786625b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "509cf16c3dcbac4d2c2cdf851b8dd918df0d7b3925ca3115ca72ce443786625b", kill_on_drop: false }`
[INFO] [stdout] 509cf16c3dcbac4d2c2cdf851b8dd918df0d7b3925ca3115ca72ce443786625b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b875f2e35b1f25d245b4dd5be0da5d692896ef6bd1220da459143c822dee199
[INFO] running `Command { std: "docker" "start" "-a" "3b875f2e35b1f25d245b4dd5be0da5d692896ef6bd1220da459143c822dee199", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nb v1.0.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling embedded-graphics v0.6.2
[INFO] [stderr]    Compiling nb v0.1.3
[INFO] [stderr]    Compiling embedded-hal v0.2.6
[INFO] [stderr]    Compiling epd-waveshare-uart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0405]: cannot find trait `Drawing` in this scope
[INFO] [stdout]   --> src/graphics.rs:25:20
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub trait Display: Drawing<EpdColor> {
[INFO] [stdout]    |                    ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Drawing` in this scope
[INFO] [stdout]    --> src/graphics.rs:112:10
[INFO] [stdout]     |
[INFO] [stdout] 112 | impl<'a> Drawing<EpdColor> for VarDisplay<'a> {
[INFO] [stdout]     |          ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `Drawing` in this scope
[INFO] [stdout]   --> src/epd4in3/graphics.rs:24:6
[INFO] [stdout]    |
[INFO] [stdout] 24 | impl Drawing<EpdColor> for Display4in3 {
[INFO] [stdout]    |      ^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0405`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `epd-waveshare-uart` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "3b875f2e35b1f25d245b4dd5be0da5d692896ef6bd1220da459143c822dee199", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b875f2e35b1f25d245b4dd5be0da5d692896ef6bd1220da459143c822dee199", kill_on_drop: false }`
[INFO] [stdout] 3b875f2e35b1f25d245b4dd5be0da5d692896ef6bd1220da459143c822dee199