[INFO] fetching crate lv2-core 3.0.0...
[INFO] checking lv2-core-3.0.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate lv2-core 3.0.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate lv2-core 3.0.0 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82dc9d70d5b6b15c543fdefad5c43314cacfd0e24b5e7af23f62daab110de9ea
[INFO] running `Command { std: "docker" "start" "-a" "82dc9d70d5b6b15c543fdefad5c43314cacfd0e24b5e7af23f62daab110de9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82dc9d70d5b6b15c543fdefad5c43314cacfd0e24b5e7af23f62daab110de9ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82dc9d70d5b6b15c543fdefad5c43314cacfd0e24b5e7af23f62daab110de9ea", kill_on_drop: false }`
[INFO] [stdout] 82dc9d70d5b6b15c543fdefad5c43314cacfd0e24b5e7af23f62daab110de9ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b058c9e05058f47ceba72347a0902adebe9b46f4b05c2b5e8c7caba0a6f22e4e
[INFO] running `Command { std: "docker" "start" "-a" "b058c9e05058f47ceba72347a0902adebe9b46f4b05c2b5e8c7caba0a6f22e4e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking lv2-sys v2.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling urid-derive v0.1.1
[INFO] [stderr]    Compiling lv2-core-derive v2.1.1
[INFO] [stderr]     Checking urid v0.1.0
[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 7.69s
[INFO] running `Command { std: "docker" "inspect" "b058c9e05058f47ceba72347a0902adebe9b46f4b05c2b5e8c7caba0a6f22e4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b058c9e05058f47ceba72347a0902adebe9b46f4b05c2b5e8c7caba0a6f22e4e", kill_on_drop: false }`
[INFO] [stdout] b058c9e05058f47ceba72347a0902adebe9b46f4b05c2b5e8c7caba0a6f22e4e