[INFO] crate ffi_helpers 0.1.0 is already in cache
[INFO] checking ffi_helpers-0.1.0 against master#eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc for pr-69560
[INFO] extracting crate ffi_helpers 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate ffi_helpers 0.1.0 on toolchain eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "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-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+eaa02f599f651246d5d1b99e7a4c6fa8d04bc9dc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7fec0d86a0c835a4e775532d4bfe63200520badc212c512d4e3f9a37b5e20d26
[INFO] running `"docker" "start" "-a" "7fec0d86a0c835a4e775532d4bfe63200520badc212c512d4e3f9a37b5e20d26"`
[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]    --> 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: 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] 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 0.97s
[INFO] running `"docker" "inspect" "7fec0d86a0c835a4e775532d4bfe63200520badc212c512d4e3f9a37b5e20d26"`
[INFO] running `"docker" "rm" "-f" "7fec0d86a0c835a4e775532d4bfe63200520badc212c512d4e3f9a37b5e20d26"`
[INFO] [stdout] 7fec0d86a0c835a4e775532d4bfe63200520badc212c512d4e3f9a37b5e20d26