[INFO] crate libsignal-protocol 0.1.0 is already in cache
[INFO] checking libsignal-protocol-0.1.0 against try#38f08371587f97c145dedb2c055ac7b01bf1e788 for pr-65294
[INFO] extracting crate libsignal-protocol 0.1.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libsignal-protocol 0.1.0 on toolchain 38f08371587f97c145dedb2c055ac7b01bf1e788
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate libsignal-protocol 0.1.0
[INFO] finished tweaking crates.io crate libsignal-protocol 0.1.0
[INFO] tweaked toml for crates.io crate libsignal-protocol 0.1.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate libsignal-protocol 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+38f08371587f97c145dedb2c055ac7b01bf1e788" "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] 8f15f8ea5eb21c07484d301d4a4a1bd20a60d0e6ebf536d14166c2611b5fbfeb
[INFO] running `"docker" "start" "-a" "8f15f8ea5eb21c07484d301d4a4a1bd20a60d0e6ebf536d14166c2611b5fbfeb"`
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]     Checking ucd-util v0.1.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling cmake v0.1.40
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking aho-corasick v0.7.4
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking stream-cipher v0.3.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling libsignal-protocol-sys v0.1.0
[INFO] [stderr]     Checking hmac v0.7.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking libsignal-protocol v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0277]: the type `std::cell::UnsafeCell<u8>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stderr]    --> src/context.rs:410:17
[INFO] [stderr]     |
[INFO] [stderr] 410 |         let _ = std::panic::catch_unwind(|| {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::UnsafeCell<u8>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `&context::State`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<u8>`
[INFO] [stderr]     = note: required because it appears within the type `std::sync::atomic::AtomicU8`
[INFO] [stderr]     = note: required because it appears within the type `parking_lot::raw_mutex::RawMutex`
[INFO] [stderr]     = note: required because it appears within the type `context::State`
[INFO] [stderr]     = note: required because it appears within the type `&context::State`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&&context::State`
[INFO] [stderr]     = note: required because it appears within the type `[closure@src/context.rs:410:42: 413:10 state:&&context::State, level:&log::Level, message:&&str]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `std::cell::UnsafeCell<u8>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stderr]    --> src/context.rs:410:17
[INFO] [stderr]     |
[INFO] [stderr] 410 |         let _ = std::panic::catch_unwind(|| {
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^ `std::cell::UnsafeCell<u8>` may contain interior mutability and a reference may not be safely transferrable across a catch_unwind boundary
[INFO] [stderr]     |
[INFO] [stderr]     = help: within `&context::State`, the trait `std::panic::RefUnwindSafe` is not implemented for `std::cell::UnsafeCell<u8>`
[INFO] [stderr]     = note: required because it appears within the type `std::sync::atomic::AtomicU8`
[INFO] [stderr]     = note: required because it appears within the type `parking_lot::raw_mutex::RawMutex`
[INFO] [stderr]     = note: required because it appears within the type `context::State`
[INFO] [stderr]     = note: required because it appears within the type `&context::State`
[INFO] [stderr]     = note: required because of the requirements on the impl of `std::panic::UnwindSafe` for `&&context::State`
[INFO] [stderr]     = note: required because it appears within the type `[closure@src/context.rs:410:42: 413:10 state:&&context::State, level:&log::Level, message:&&str]`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libsignal-protocol`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `libsignal-protocol`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8f15f8ea5eb21c07484d301d4a4a1bd20a60d0e6ebf536d14166c2611b5fbfeb"`
[INFO] running `"docker" "rm" "-f" "8f15f8ea5eb21c07484d301d4a4a1bd20a60d0e6ebf536d14166c2611b5fbfeb"`
[INFO] [stdout] 8f15f8ea5eb21c07484d301d4a4a1bd20a60d0e6ebf536d14166c2611b5fbfeb