[INFO] crate static-events 0.1.3 is already in cache
[INFO] testing static-events-0.1.3 against 1.44.0 for beta-1.45-1
[INFO] extracting crate static-events 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate static-events 0.1.3 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate static-events 0.1.3
[INFO] finished tweaking crates.io crate static-events 0.1.3
[INFO] tweaked toml for crates.io crate static-events 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6cf361497b035a8125c526fec0e4b0698f3fa539d8d818e6de723ad1bc8d4460
[INFO] running `"docker" "start" "-a" "6cf361497b035a8125c526fec0e4b0698f3fa539d8d818e6de723ad1bc8d4460"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling proc-macro-hack-impl v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.4.2
[INFO] [stderr]    Compiling unhygienic-impl v0.1.0
[INFO] [stderr]    Compiling unhygienic v0.1.1
[INFO] [stderr]    Compiling static-events v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]    --> src/lib.rs:200:1
[INFO] [stderr]     |
[INFO] [stderr] 200 | #[allow_internal_unstable]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]    --> src/lib.rs:255:1
[INFO] [stderr]     |
[INFO] [stderr] 255 | #[allow_internal_unstable]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]    --> src/lib.rs:315:1
[INFO] [stderr]     |
[INFO] [stderr] 315 | #[allow_internal_unstable]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]    --> src/lib.rs:611:1
[INFO] [stderr]     |
[INFO] [stderr] 611 | #[allow_internal_unstable]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]    --> src/lib.rs:653:1
[INFO] [stderr]     |
[INFO] [stderr] 653 | #[allow_internal_unstable]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: allow_internal_unstable expects list of feature names
[INFO] [stderr]    --> src/lib.rs:699:1
[INFO] [stderr]     |
[INFO] [stderr] 699 | #[allow_internal_unstable]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | / #![feature(specialization, macro_vis_matcher, macro_at_most_once_rep, allow_internal_unstable,
[INFO] [stderr] 3 | |            use_extern_macros)]
[INFO] [stderr]   | |______________________________^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `static-events`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6cf361497b035a8125c526fec0e4b0698f3fa539d8d818e6de723ad1bc8d4460"`
[INFO] running `"docker" "rm" "-f" "6cf361497b035a8125c526fec0e4b0698f3fa539d8d818e6de723ad1bc8d4460"`
[INFO] [stdout] 6cf361497b035a8125c526fec0e4b0698f3fa539d8d818e6de723ad1bc8d4460