[INFO] crate ffi_wrapper_nounwind 0.1.1 is already in cache
[INFO] checking ffi_wrapper_nounwind-0.1.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1
[INFO] extracting crate ffi_wrapper_nounwind 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ffi_wrapper_nounwind 0.1.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ffi_wrapper_nounwind 0.1.1
[INFO] finished tweaking crates.io crate ffi_wrapper_nounwind 0.1.1
[INFO] tweaked toml for crates.io crate ffi_wrapper_nounwind 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1b41d1984cd40aa04c675e9c6da9beb9e8734828bf86269c4a11392bd76513e7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "1b41d1984cd40aa04c675e9c6da9beb9e8734828bf86269c4a11392bd76513e7"`
[INFO] [stderr]     Checking syn v1.0.11
[INFO] [stderr]     Checking ffi_wrapper_nounwind v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]    --> src/lib.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     Ident { id: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ptr`
[INFO] [stderr]    --> src/lib.rs:287:5
[INFO] [stderr]     |
[INFO] [stderr] 287 |     Ptr { const_: bool, ty: Box<CType> },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ident`
[INFO] [stderr]    --> src/lib.rs:286:5
[INFO] [stderr]     |
[INFO] [stderr] 286 |     Ident { id: String },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Ptr`
[INFO] [stderr]    --> src/lib.rs:287:5
[INFO] [stderr]     |
[INFO] [stderr] 287 |     Ptr { const_: bool, ty: Box<CType> },
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `"docker" "inspect" "1b41d1984cd40aa04c675e9c6da9beb9e8734828bf86269c4a11392bd76513e7"`
[INFO] running `"docker" "rm" "-f" "1b41d1984cd40aa04c675e9c6da9beb9e8734828bf86269c4a11392bd76513e7"`
[INFO] [stdout] 1b41d1984cd40aa04c675e9c6da9beb9e8734828bf86269c4a11392bd76513e7