[INFO] crate static-events 0.1.3 is already in cache [INFO] extracting crate static-events 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/static-events/0.1.3 [INFO] extracting crate static-events 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/static-events/0.1.3 [INFO] validating manifest of static-events-0.1.3 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of static-events-0.1.3 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing static-events-0.1.3 [INFO] finished frobbing static-events-0.1.3 [INFO] frobbed toml for static-events-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/static-events/0.1.3/Cargo.toml [INFO] started frobbing static-events-0.1.3 [INFO] finished frobbing static-events-0.1.3 [INFO] frobbed toml for static-events-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/static-events/0.1.3/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing static-events-0.1.3 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/static-events/0.1.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] f7c17cb11dead4f691a718ca9aaedc9f5c07a3bb995a11a3dfa81ecefcc55e27 [INFO] running `"docker" "start" "-a" "f7c17cb11dead4f691a718ca9aaedc9f5c07a3bb995a11a3dfa81ecefcc55e27"` [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/crater/workdir) [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:202:17 [INFO] [stderr] | [INFO] [stderr] 202 | ($ev:ty $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:205:28 [INFO] [stderr] | [INFO] [stderr] 205 | ($ev:ty, $state:ty $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:208:48 [INFO] [stderr] | [INFO] [stderr] 208 | ($ev:ty, $state:ty, $starting_val:expr $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] warning: allow_internal_unstable expects list of feature names. In the future this will become a hard error. Please use `allow_internal_unstable(foo, bar)` to only allow the `foo` and `bar` features [INFO] [stderr] --> src/lib.rs:200:1 [INFO] [stderr] | [INFO] [stderr] 200 | #[allow_internal_unstable] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:257:39 [INFO] [stderr] | [INFO] [stderr] 257 | ($ev:ty, $state:ty, $error:ty $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:260:59 [INFO] [stderr] | [INFO] [stderr] 260 | ($ev:ty, $state:ty, $error:ty, $starting_val:expr $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] warning: allow_internal_unstable expects list of feature names. In the future this will become a hard error. Please use `allow_internal_unstable(foo, bar)` to only allow the `foo` and `bar` features [INFO] [stderr] --> src/lib.rs:255:1 [INFO] [stderr] | [INFO] [stderr] 255 | #[allow_internal_unstable] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:317:17 [INFO] [stderr] | [INFO] [stderr] 317 | ($ev:ty $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:320:28 [INFO] [stderr] | [INFO] [stderr] 320 | ($ev:ty, $state:ty $(,)?) => { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] warning: allow_internal_unstable expects list of feature names. In the future this will become a hard error. Please use `allow_internal_unstable(foo, bar)` to only allow the `foo` and `bar` features [INFO] [stderr] --> src/lib.rs:315:1 [INFO] [stderr] | [INFO] [stderr] 315 | #[allow_internal_unstable] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:616:57 [INFO] [stderr] | [INFO] [stderr] 616 | $($call_name:ident: |$($bind:pat),* $(,)?| $ev_func:expr),* [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:617:21 [INFO] [stderr] | [INFO] [stderr] 617 | $(,)? [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:620:13 [INFO] [stderr] | [INFO] [stderr] 620 | $(,)? [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] warning: allow_internal_unstable expects list of feature names. In the future this will become a hard error. Please use `allow_internal_unstable(foo, bar)` to only allow the `foo` and `bar` features [INFO] [stderr] --> src/lib.rs:611:1 [INFO] [stderr] | [INFO] [stderr] 611 | #[allow_internal_unstable] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:658:57 [INFO] [stderr] | [INFO] [stderr] 658 | $($call_name:ident: |$($bind:pat),* $(,)?| $ev_func:expr),* [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:659:21 [INFO] [stderr] | [INFO] [stderr] 659 | $(,)? [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:662:13 [INFO] [stderr] | [INFO] [stderr] 662 | $(,)? [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] warning: allow_internal_unstable expects list of feature names. In the future this will become a hard error. Please use `allow_internal_unstable(foo, bar)` to only allow the `foo` and `bar` features [INFO] [stderr] --> src/lib.rs:653:1 [INFO] [stderr] | [INFO] [stderr] 653 | #[allow_internal_unstable] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:703:77 [INFO] [stderr] | [INFO] [stderr] 703 | $vis:vis struct $name:ident $(<$($ty_param:ident $(: $ty_bound:path)?),* $(,)?>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:703:86 [INFO] [stderr] | [INFO] [stderr] 703 | $vis:vis struct $name:ident $(<$($ty_param:ident $(: $ty_bound:path)?),* $(,)?>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:703:89 [INFO] [stderr] | [INFO] [stderr] 703 | $vis:vis struct $name:ident $(<$($ty_param:ident $(: $ty_bound:path)?),* $(,)?>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:706:21 [INFO] [stderr] | [INFO] [stderr] 706 | ),* $(,)? [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:710:56 [INFO] [stderr] | [INFO] [stderr] 710 | $vis struct $name $(<$($ty_param $(: $ty_bound)?,)*>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:710:62 [INFO] [stderr] | [INFO] [stderr] 710 | $vis struct $name $(<$($ty_param $(: $ty_bound)?,)*>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:713:43 [INFO] [stderr] | [INFO] [stderr] 713 | impl $(<$($ty_param $(: $ty_bound)?,)*>)? $crate::EventSet for $name $(<$($ty_param)*>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:713:49 [INFO] [stderr] | [INFO] [stderr] 713 | impl $(<$($ty_param $(: $ty_bound)?,)*>)? $crate::EventSet for $name $(<$($ty_param)*>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] error: expected `*` or `+` [INFO] [stderr] --> src/lib.rs:713:96 [INFO] [stderr] | [INFO] [stderr] 713 | impl $(<$($ty_param $(: $ty_bound)?,)*>)? $crate::EventSet for $name $(<$($ty_param)*>)? { [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `?` is not a macro repetition operator in the 2015 edition, but is accepted in the 2018 edition [INFO] [stderr] [INFO] [stderr] warning: allow_internal_unstable expects list of feature names. In the future this will become a hard error. Please use `allow_internal_unstable(foo, bar)` to only allow the `foo` and `bar` features [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 23 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" "f7c17cb11dead4f691a718ca9aaedc9f5c07a3bb995a11a3dfa81ecefcc55e27"` [INFO] running `"docker" "rm" "-f" "f7c17cb11dead4f691a718ca9aaedc9f5c07a3bb995a11a3dfa81ecefcc55e27"` [INFO] [stdout] f7c17cb11dead4f691a718ca9aaedc9f5c07a3bb995a11a3dfa81ecefcc55e27