[INFO] fetching crate lv2-core 3.0.0...
[INFO] checking lv2-core-3.0.0 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate lv2-core 3.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate lv2-core 3.0.0 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lv2-core 3.0.0
[INFO] finished tweaking crates.io crate lv2-core 3.0.0
[INFO] tweaked toml for crates.io crate lv2-core 3.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09e4a996dc256d7bf628ca35a52d5685ee1ac98ddc1ae2f5f0a29df09e2e3f05
[INFO] running `Command { std: "docker" "start" "-a" "09e4a996dc256d7bf628ca35a52d5685ee1ac98ddc1ae2f5f0a29df09e2e3f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09e4a996dc256d7bf628ca35a52d5685ee1ac98ddc1ae2f5f0a29df09e2e3f05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09e4a996dc256d7bf628ca35a52d5685ee1ac98ddc1ae2f5f0a29df09e2e3f05", kill_on_drop: false }`
[INFO] [stdout] 09e4a996dc256d7bf628ca35a52d5685ee1ac98ddc1ae2f5f0a29df09e2e3f05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74408c09710be2a2c3cc8b2c96676dfd7a29989f8fa22d35a09ff15316fc3f84
[INFO] running `Command { std: "docker" "start" "-a" "74408c09710be2a2c3cc8b2c96676dfd7a29989f8fa22d35a09ff15316fc3f84", kill_on_drop: false }`
[INFO] [stderr]     Checking lv2-core v3.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `feature_a_sys`
[INFO] [stdout]    --> src/feature/mod.rs:155:9
[INFO] [stdout]     |
[INFO] [stdout] 155 |         pub feature_a_sys: Pin<Box<::sys::LV2_Feature>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `feature_b_sys`
[INFO] [stdout]    --> src/feature/mod.rs:157:9
[INFO] [stdout]     |
[INFO] [stdout] 157 |         pub feature_b_sys: Pin<Box<::sys::LV2_Feature>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `feature_c_sys`
[INFO] [stdout]    --> src/feature/mod.rs:158:9
[INFO] [stdout]     |
[INFO] [stdout] 158 |         pub feature_c_sys: Pin<Box<::sys::LV2_Feature>>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "74408c09710be2a2c3cc8b2c96676dfd7a29989f8fa22d35a09ff15316fc3f84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74408c09710be2a2c3cc8b2c96676dfd7a29989f8fa22d35a09ff15316fc3f84", kill_on_drop: false }`
[INFO] [stdout] 74408c09710be2a2c3cc8b2c96676dfd7a29989f8fa22d35a09ff15316fc3f84