[INFO] fetching crate lcd 0.4.1...
[INFO] checking lcd-0.4.1 against master#8f359beca4e58bc3ae795a666301a8f47023044c for pr-121545
[INFO] extracting crate lcd 0.4.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate lcd 0.4.1 on toolchain 8f359beca4e58bc3ae795a666301a8f47023044c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate lcd 0.4.1
[INFO] finished tweaking crates.io crate lcd 0.4.1
[INFO] tweaked toml for crates.io crate lcd 0.4.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded diff v0.1.13
[INFO] [stderr]   Downloaded yansi v0.5.1
[INFO] [stderr]   Downloaded pretty_assertions v1.4.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f11f8a8f58740616345b3a98fc87fd53524102e680be7c4440604d3fd697208
[INFO] running `Command { std: "docker" "start" "-a" "8f11f8a8f58740616345b3a98fc87fd53524102e680be7c4440604d3fd697208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f11f8a8f58740616345b3a98fc87fd53524102e680be7c4440604d3fd697208", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f11f8a8f58740616345b3a98fc87fd53524102e680be7c4440604d3fd697208", kill_on_drop: false }`
[INFO] [stdout] 8f11f8a8f58740616345b3a98fc87fd53524102e680be7c4440604d3fd697208
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+8f359beca4e58bc3ae795a666301a8f47023044c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7150da94ad7c685cb8667bf6344e6abd6555c5ae5f0bf43ac75a0106952ec3a0
[INFO] running `Command { std: "docker" "start" "-a" "7150da94ad7c685cb8667bf6344e6abd6555c5ae5f0bf43ac75a0106952ec3a0", kill_on_drop: false }`
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking lcd v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: trait `InternalHardware` is never used
[INFO] [stdout]    --> src/lib.rs:171:7
[INFO] [stdout]     |
[INFO] [stdout] 171 | trait InternalHardware {
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:3:9
[INFO] [stdout]     |
[INFO] [stdout] 3   | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(dead_code)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: trait `WaitReady` is never used
[INFO] [stdout]    --> src/lib.rs:235:7
[INFO] [stdout]     |
[INFO] [stdout] 235 | trait WaitReady {
[INFO] [stdout]     |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lcd` (lib) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7150da94ad7c685cb8667bf6344e6abd6555c5ae5f0bf43ac75a0106952ec3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7150da94ad7c685cb8667bf6344e6abd6555c5ae5f0bf43ac75a0106952ec3a0", kill_on_drop: false }`
[INFO] [stdout] 7150da94ad7c685cb8667bf6344e6abd6555c5ae5f0bf43ac75a0106952ec3a0