[INFO] cloning repository https://github.com/Rejolut/hedera-ios-sdk
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Rejolut/hedera-ios-sdk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRejolut%2Fhedera-ios-sdk"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRejolut%2Fhedera-ios-sdk'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be1aec9039e649d6f59893ed1f884e3312eea57d
[INFO] checking Rejolut/hedera-ios-sdk against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRejolut%2Fhedera-ios-sdk" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Rejolut/hedera-ios-sdk on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Rejolut/hedera-ios-sdk
[INFO] finished tweaking git repo https://github.com/Rejolut/hedera-ios-sdk
[INFO] tweaked toml for git repo https://github.com/Rejolut/hedera-ios-sdk written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/Rejolut/hedera-ios-sdk already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5fe54fdfee114f38fd91b1a4e479ef7345acc2748ba08d2fdc71469377427e3f
[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" "5fe54fdfee114f38fd91b1a4e479ef7345acc2748ba08d2fdc71469377427e3f"`
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling packed_simd v0.3.3
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling protobuf v2.3.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.2
[INFO] [stderr]    Compiling subtle v2.0.0
[INFO] [stderr]    Compiling httpbis v0.7.0
[INFO] [stderr]     Checking query_interface v0.3.5
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling clear_on_drop v0.2.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]     Checking tls-api v0.1.20
[INFO] [stderr]    Compiling protoc v2.3.0
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking tls-api-stub v0.1.20
[INFO] [stderr]    Compiling generic-array v0.12.0
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.12
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr] error[E0432]: unresolved import `core::task::LocalWaker`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/future/future_obj.rs:6:12
[INFO] [stderr]   |
[INFO] [stderr] 6 |     task::{LocalWaker, Poll},
[INFO] [stderr]   |            ^^^^^^^^^^ no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `core::task::LocalWaker`, `core::task::UnsafeWake`
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:8:35
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub use core::task::{Poll, Waker, LocalWaker, UnsafeWake};
[INFO] [stderr]   |                                   ^^^^^^^^^^  ^^^^^^^^^^ no `UnsafeWake` in `task`
[INFO] [stderr]   |                                   |
[INFO] [stderr]   |                                   no `LocalWaker` in `task`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved imports `std::task::Wake`, `std::task::local_waker`, `std::task::local_waker_from_nonlocal`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-core-preview-0.3.0-alpha.12/src/task/mod.rs:10:21
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub use std::task::{Wake, local_waker, local_waker_from_nonlocal};
[INFO] [stderr]    |                     ^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^ no `local_waker_from_nonlocal` in `task`
[INFO] [stderr]    |                     |     |
[INFO] [stderr]    |                     |     no `local_waker` in `task`
[INFO] [stderr]    |                     no `Wake` in `task`
[INFO] [stderr]    |                     help: a similar name exists in the module: `Waker`
[INFO] [stderr] 
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]    Compiling proc-macro-hack v0.5.4
[INFO] [stderr]     Checking hmac v0.7.0
[INFO] [stderr] error: aborting due to 3 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `futures-core-preview`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5fe54fdfee114f38fd91b1a4e479ef7345acc2748ba08d2fdc71469377427e3f"`
[INFO] running `"docker" "rm" "-f" "5fe54fdfee114f38fd91b1a4e479ef7345acc2748ba08d2fdc71469377427e3f"`
[INFO] [stdout] 5fe54fdfee114f38fd91b1a4e479ef7345acc2748ba08d2fdc71469377427e3f