[INFO] fetching crate static-events 0.1.3...
[INFO] testing static-events-0.1.3 against 1.47.0 for beta-1.48-1
[INFO] extracting crate static-events 0.1.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate static-events 0.1.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b7f885ec29350aa4b771fd076812c5faf6d4efa4403f426c4a5624cfcbda652b
[INFO] running `Command { std: "docker" "start" "-a" "b7f885ec29350aa4b771fd076812c5faf6d4efa4403f426c4a5624cfcbda652b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7f885ec29350aa4b771fd076812c5faf6d4efa4403f426c4a5624cfcbda652b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7f885ec29350aa4b771fd076812c5faf6d4efa4403f426c4a5624cfcbda652b", kill_on_drop: false }`
[INFO] [stdout] b7f885ec29350aa4b771fd076812c5faf6d4efa4403f426c4a5624cfcbda652b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b64d8b9fdb1d50b7b527c8e672dacebe88636b9cbe884cdc2d60f3f41288bdd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7b64d8b9fdb1d50b7b527c8e672dacebe88636b9cbe884cdc2d60f3f41288bdd", kill_on_drop: false }`
[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] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:200:1
[INFO] [stdout]     |
[INFO] [stdout] 200 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:255:1
[INFO] [stdout]     |
[INFO] [stdout] 255 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:315:1
[INFO] [stdout]     |
[INFO] [stdout] 315 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:611:1
[INFO] [stdout]     |
[INFO] [stdout] 611 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:653:1
[INFO] [stdout]     |
[INFO] [stdout] 653 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: allow_internal_unstable expects list of feature names
[INFO] [stdout]    --> src/lib.rs:699:1
[INFO] [stdout]     |
[INFO] [stdout] 699 | #[allow_internal_unstable]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / #![feature(specialization, macro_vis_matcher, macro_at_most_once_rep, allow_internal_unstable,
[INFO] [stdout] 3 | |            use_extern_macros)]
[INFO] [stdout]   | |______________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(specialization, macro_vis_matcher, macro_at_most_once_rep, allow_internal_unstable,
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(incomplete_features)]` on by default
[INFO] [stdout]   = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `static-events`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7b64d8b9fdb1d50b7b527c8e672dacebe88636b9cbe884cdc2d60f3f41288bdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b64d8b9fdb1d50b7b527c8e672dacebe88636b9cbe884cdc2d60f3f41288bdd", kill_on_drop: false }`
[INFO] [stdout] 7b64d8b9fdb1d50b7b527c8e672dacebe88636b9cbe884cdc2d60f3f41288bdd
