[INFO] updating cached repository https://github.com/kanekv/actix-async-await
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f173f6a44e062d5946cbcb2962f9691628192ce9
[INFO] checking kanekv/actix-async-await against try#ba14a92a10441c4b839ce71e6ef5f7a48bbff18f for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkanekv%2Factix-async-await" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kanekv/actix-async-await on toolchain ba14a92a10441c4b839ce71e6ef5f7a48bbff18f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kanekv/actix-async-await
[INFO] finished tweaking git repo https://github.com/kanekv/actix-async-await
[INFO] tweaked toml for git repo https://github.com/kanekv/actix-async-await written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kanekv/actix-async-await already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ba14a92a10441c4b839ce71e6ef5f7a48bbff18f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 99362b472a78a0739976e42f97ade78a3f244aa6dfabddcb942f30e24d0a33ad
[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" "99362b472a78a0739976e42f97ade78a3f244aa6dfabddcb942f30e24d0a33ad"`
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[INFO] [stderr] warning: unused import: `futures::future::FutureResult`
[INFO] [stderr]  --> src/compat/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::future::FutureResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::future::FutureResult`
[INFO] [stderr]  --> src/compat/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use futures::future::FutureResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_poll`
[INFO] [stderr]   --> src/compat/forward.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub(crate) fn convert_poll<T, E>(poll: Result<Async<T>, E>) -> StdPoll<Result<T, E>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_poll_stream`
[INFO] [stderr]   --> src/compat/forward.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / pub(crate) fn convert_poll_stream<T, E>(
[INFO] [stderr] 24 | |     poll: Result<Async<Option<T>>, E>,
[INFO] [stderr] 25 | | ) -> StdPoll<Option<Result<T, E>>> {
[INFO] [stderr] 26 | |     use futures::Async::{NotReady, Ready};
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     }
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_poll`
[INFO] [stderr]   --> src/compat/forward.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub(crate) fn convert_poll<T, E>(poll: Result<Async<T>, E>) -> StdPoll<Result<T, E>> {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `convert_poll_stream`
[INFO] [stderr]   --> src/compat/forward.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | / pub(crate) fn convert_poll_stream<T, E>(
[INFO] [stderr] 24 | |     poll: Result<Async<Option<T>>, E>,
[INFO] [stderr] 25 | | ) -> StdPoll<Option<Result<T, E>>> {
[INFO] [stderr] 26 | |     use futures::Async::{NotReady, Ready};
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     }
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `"docker" "inspect" "99362b472a78a0739976e42f97ade78a3f244aa6dfabddcb942f30e24d0a33ad"`
[INFO] running `"docker" "rm" "-f" "99362b472a78a0739976e42f97ade78a3f244aa6dfabddcb942f30e24d0a33ad"`
[INFO] [stdout] 99362b472a78a0739976e42f97ade78a3f244aa6dfabddcb942f30e24d0a33ad