[INFO] cloning repository https://github.com/MingweiSamuel/spinach
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MingweiSamuel/spinach" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMingweiSamuel%2Fspinach", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMingweiSamuel%2Fspinach'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed78013b95a10df4effc11ab2bbbd2813a65290a
[INFO] testing MingweiSamuel/spinach against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMingweiSamuel%2Fspinach" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MingweiSamuel/spinach on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MingweiSamuel/spinach
[INFO] finished tweaking git repo https://github.com/MingweiSamuel/spinach
[INFO] tweaked toml for git repo https://github.com/MingweiSamuel/spinach written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/MingweiSamuel/spinach already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a84abf6fd53e22340ef5b206e6c910e383c8c0d6ecd9d3df38f5f0c2097a6ea5
[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" "a84abf6fd53e22340ef5b206e6c910e383c8c0d6ecd9d3df38f5f0c2097a6ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a84abf6fd53e22340ef5b206e6c910e383c8c0d6ecd9d3df38f5f0c2097a6ea5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a84abf6fd53e22340ef5b206e6c910e383c8c0d6ecd9d3df38f5f0c2097a6ea5", kill_on_drop: false }`
[INFO] [stdout] a84abf6fd53e22340ef5b206e6c910e383c8c0d6ecd9d3df38f5f0c2097a6ea5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2de62db9686fd15abf44b4ac02d1a4fe42282d2fa4a7544604cda60571e22307
[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" "2de62db9686fd15abf44b4ac02d1a4fe42282d2fa4a7544604cda60571e22307", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling tuple_list v0.1.3
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling zipf v7.0.0
[INFO] [stderr]    Compiling workload v0.1.0 (/opt/rustwide/workdir/examples/workload)
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-executor v0.3.15
[INFO] [stderr]    Compiling futures v0.3.15
[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-stream v0.1.6
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling ron v0.6.4
[INFO] [stderr]    Compiling spinach v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib/src/lib.rs:6:1
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(array_methods)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib/src/lib.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #![feature(array_zip)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib/src/lib.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> lib/src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(cell_update)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(const_type_id)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(drain_filter)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | #![feature(generic_associated_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(slice_as_chunks)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(try_blocks)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> lib/src/lib.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(never_type)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/collections.rs:43:24
[INFO] [stdout]    |
[INFO] [stdout] 43 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/collections.rs:65:24
[INFO] [stdout]    |
[INFO] [stdout] 65 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/collections.rs:87:24
[INFO] [stdout]    |
[INFO] [stdout] 87 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:109:24
[INFO] [stdout]     |
[INFO] [stdout] 109 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:131:24
[INFO] [stdout]     |
[INFO] [stdout] 131 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:153:24
[INFO] [stdout]     |
[INFO] [stdout] 153 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |     type Keys<'s> = impl Iterator<Item = &'s K>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:184:24
[INFO] [stdout]     |
[INFO] [stdout] 184 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s ())>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:204:21
[INFO] [stdout]     |
[INFO] [stdout] 204 |     type Keys<'s> = impl Iterator<Item = &'s K>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:209:24
[INFO] [stdout]     |
[INFO] [stdout] 209 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s V)>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:226:21
[INFO] [stdout]     |
[INFO] [stdout] 226 |     type Keys<'s> = impl Iterator<Item = &'s K>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:231:24
[INFO] [stdout]     |
[INFO] [stdout] 231 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s V)>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:252:21
[INFO] [stdout]     |
[INFO] [stdout] 252 |     type Keys<'s> = impl Iterator<Item = &'s K>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:258:24
[INFO] [stdout]     |
[INFO] [stdout] 258 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s V)>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:280:21
[INFO] [stdout]     |
[INFO] [stdout] 280 |     type Keys<'s> = impl Iterator<Item = &'s K>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:286:24
[INFO] [stdout]     |
[INFO] [stdout] 286 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s V)>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:310:21
[INFO] [stdout]     |
[INFO] [stdout] 310 |     type Keys<'s> = impl Iterator<Item = &'s K>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:318:24
[INFO] [stdout]     |
[INFO] [stdout] 318 |     type Entries<'s> = impl Iterator<Item = (&'s K, &'s V)>;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]    --> lib/src/collections.rs:371:21
[INFO] [stdout]     |
[INFO] [stdout] 371 |     type IntoIter = impl Iterator<Item = Self::Item>;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/comp/nullcomp.rs:20:27
[INFO] [stdout]    |
[INFO] [stdout] 20 |     type TickFuture<'s> = impl Future<Output = Result<(), Self::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/comp/debugcomp.rs:32:27
[INFO] [stdout]    |
[INFO] [stdout] 32 |     type TickFuture<'s> = impl Future<Output = Result<(), Self::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/comp/tcpcomp.rs:49:27
[INFO] [stdout]    |
[INFO] [stdout] 49 |     type TickFuture<'s> = impl Future<Output = Result<(), Self::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/comp/tcpservercomp.rs:58:27
[INFO] [stdout]    |
[INFO] [stdout] 58 |     type TickFuture<'s> = impl Future<Output = Result<(), Self::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in type aliases is unstable
[INFO] [stdout]   --> lib/src/comp/dynsplitcomp.rs:52:27
[INFO] [stdout]    |
[INFO] [stdout] 52 |     type TickFuture<'s> = impl Future<Output = Result<(), Self::Error>>;
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 36 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spinach` due to 37 previous errors
[INFO] running `Command { std: "docker" "inspect" "2de62db9686fd15abf44b4ac02d1a4fe42282d2fa4a7544604cda60571e22307", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2de62db9686fd15abf44b4ac02d1a4fe42282d2fa4a7544604cda60571e22307", kill_on_drop: false }`
[INFO] [stdout] 2de62db9686fd15abf44b4ac02d1a4fe42282d2fa4a7544604cda60571e22307