[INFO] fetching crate lcd 0.4.1...
[INFO] testing lcd-0.4.1 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate lcd 0.4.1 into /workspace/builds/worker-5-tc1/source
[INFO] removed /workspace/builds/worker-5-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-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lcd 0.4.1 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] afe4755d5bab7df6dc6345070ac0eaf056be726ac7b9138ee555574c313eed7d
[INFO] running `Command { std: "docker" "start" "-a" "afe4755d5bab7df6dc6345070ac0eaf056be726ac7b9138ee555574c313eed7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "afe4755d5bab7df6dc6345070ac0eaf056be726ac7b9138ee555574c313eed7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afe4755d5bab7df6dc6345070ac0eaf056be726ac7b9138ee555574c313eed7d", kill_on_drop: false }`
[INFO] [stdout] afe4755d5bab7df6dc6345070ac0eaf056be726ac7b9138ee555574c313eed7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21ebfda97305ed9f8420a6a6bc7dcc0016cde47b0a86faf788db5a07b0331f2c
[INFO] running `Command { std: "docker" "start" "-a" "21ebfda97305ed9f8420a6a6bc7dcc0016cde47b0a86faf788db5a07b0331f2c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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] [stderr] error: could not compile `lcd` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "21ebfda97305ed9f8420a6a6bc7dcc0016cde47b0a86faf788db5a07b0331f2c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21ebfda97305ed9f8420a6a6bc7dcc0016cde47b0a86faf788db5a07b0331f2c", kill_on_drop: false }`
[INFO] [stdout] 21ebfda97305ed9f8420a6a6bc7dcc0016cde47b0a86faf788db5a07b0331f2c