[INFO] fetching crate kayrx 0.13.0...
[INFO] checking kayrx-0.13.0 against master#6d69caba110c0c2fb90180df1cbc8be5033b91d4 for pr-69530
[INFO] extracting crate kayrx 0.13.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate kayrx 0.13.0 on toolchain 6d69caba110c0c2fb90180df1cbc8be5033b91d4
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kayrx 0.13.0
[INFO] finished tweaking crates.io crate kayrx 0.13.0
[INFO] tweaked toml for crates.io crate kayrx 0.13.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate kayrx 0.13.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+6d69caba110c0c2fb90180df1cbc8be5033b91d4" "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] 679f014e612cf6e1e31bd6c375cf22c4b6db39438e3ecd71665bb42b5aef5e7b
[INFO] running `"docker" "start" "-a" "679f014e612cf6e1e31bd6c375cf22c4b6db39438e3ecd71665bb42b5aef5e7b"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]     Checking async-ready v3.0.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-datagram v3.0.0
[INFO] [stderr]     Checking parking_lot_core v0.7.1
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling kayrx-macro v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking broadcaster v1.0.0
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking kayrx v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `crate::task`
[INFO] [stderr]   --> src/sync/spin_lock.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |     use crate::task;
[INFO] [stderr]    |         ^^^^^^^^^^^ no `task` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0698]: type inside `async` block must be known in this context
[INFO] [stderr]   --> src/sync/spin_lock.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         let m = Arc::new(Spinlock::new(0));
[INFO] [stderr]    |             ^ cannot infer type for type `{integer}`
[INFO] [stderr]    |
[INFO] [stderr] note: the type is part of the `async` block because of this `await`
[INFO] [stderr]   --> src/sync/spin_lock.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |             t.await;
[INFO] [stderr]    |             ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0698.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `kayrx`.
[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" "679f014e612cf6e1e31bd6c375cf22c4b6db39438e3ecd71665bb42b5aef5e7b"`
[INFO] running `"docker" "rm" "-f" "679f014e612cf6e1e31bd6c375cf22c4b6db39438e3ecd71665bb42b5aef5e7b"`
[INFO] [stdout] 679f014e612cf6e1e31bd6c375cf22c4b6db39438e3ecd71665bb42b5aef5e7b