[INFO] fetching crate async-wakers 0.1.0-alpha.13...
[INFO] checking async-wakers-0.1.0-alpha.13 against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] extracting crate async-wakers 0.1.0-alpha.13 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate async-wakers 0.1.0-alpha.13 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate async-wakers 0.1.0-alpha.13
[INFO] finished tweaking crates.io crate async-wakers 0.1.0-alpha.13
[INFO] tweaked toml for crates.io crate async-wakers 0.1.0-alpha.13 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+f88e9a4452e792c29632101b348a1df9876d45cd" "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] ac51b5ef1cfe0469b0c54022f2924862db78768a71c98157b2197d769f7d7a57
[INFO] running `"docker" "start" "-a" "ac51b5ef1cfe0469b0c54022f2924862db78768a71c98157b2197d769f7d7a57"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking async-wakers v0.1.0-alpha.13 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr] error[E0432]: unresolved imports `async_wakers::Slots`, `async_wakers::WakersInner`
[INFO] [stderr]   --> benches/wakers.rs:12:20
[INFO] [stderr]    |
[INFO] [stderr] 12 | use async_wakers::{Slots, Wakers, WakersInner};
[INFO] [stderr]    |                    ^^^^^          ^^^^^^^^^^^ no `WakersInner` in the root
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    no `Slots` in the root
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]   --> benches/wakers.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::sync::Arc;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `async-wakers`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ac51b5ef1cfe0469b0c54022f2924862db78768a71c98157b2197d769f7d7a57"`
[INFO] running `"docker" "rm" "-f" "ac51b5ef1cfe0469b0c54022f2924862db78768a71c98157b2197d769f7d7a57"`
[INFO] [stdout] ac51b5ef1cfe0469b0c54022f2924862db78768a71c98157b2197d769f7d7a57