[INFO] crate ffi_helpers 0.1.0 is already in cache
[INFO] checking ffi_helpers-0.1.0 against master#446e5e57b667c841ba3ebb4b41b44fb98bd3af4b for pr-65294
[INFO] extracting crate ffi_helpers 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate ffi_helpers 0.1.0 on toolchain 446e5e57b667c841ba3ebb4b41b44fb98bd3af4b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate ffi_helpers 0.1.0
[INFO] finished tweaking crates.io crate ffi_helpers 0.1.0
[INFO] tweaked toml for crates.io crate ffi_helpers 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f9dae9fccf23ceead8299e257f9c51b002239745ec6f5a8eaab088824b9dd341
[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" "f9dae9fccf23ceead8299e257f9c51b002239745ec6f5a8eaab088824b9dd341"`
[INFO] [stderr]     Checking ffi_helpers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stderr]    --> src/task.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 | #[allow(private_no_mangle_fns)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr]    --> src/task.rs:440:9
[INFO] [stderr]     |
[INFO] [stderr] 440 | #[allow(private_no_mangle_fns)]
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/panic.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn recover_panic_message(e: Box<Any + Send + 'static>) -> Option<String> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/panic.rs:81:37
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub fn recover_panic_message(e: Box<Any + Send + 'static>) -> Option<String> {
[INFO] [stderr]    |                                     ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Any + Send + 'static`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "f9dae9fccf23ceead8299e257f9c51b002239745ec6f5a8eaab088824b9dd341"`
[INFO] running `"docker" "rm" "-f" "f9dae9fccf23ceead8299e257f9c51b002239745ec6f5a8eaab088824b9dd341"`
[INFO] [stdout] f9dae9fccf23ceead8299e257f9c51b002239745ec6f5a8eaab088824b9dd341