[INFO] cloning repository https://github.com/rajasekarv/native_spark
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rajasekarv/native_spark" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 54d2b608cfcb0d457ed8741e6e6c235389b587bf
[INFO] testing rajasekarv/native_spark against beta-2024-12-08 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frajasekarv%2Fnative_spark" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rajasekarv/native_spark on toolchain beta-2024-12-08
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/rajasekarv/native_spark
[INFO] finished tweaking git repo https://github.com/rajasekarv/native_spark
[INFO] tweaked toml for git repo https://github.com/rajasekarv/native_spark written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2024-12-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fee84c6448de41ef3a621511d301b34b45bb1d33027aa1334ae17ccbc35d89b0
[INFO] running `Command { std: "docker" "start" "-a" "fee84c6448de41ef3a621511d301b34b45bb1d33027aa1334ae17ccbc35d89b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fee84c6448de41ef3a621511d301b34b45bb1d33027aa1334ae17ccbc35d89b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fee84c6448de41ef3a621511d301b34b45bb1d33027aa1334ae17ccbc35d89b0", kill_on_drop: false }`
[INFO] [stdout] fee84c6448de41ef3a621511d301b34b45bb1d33027aa1334ae17ccbc35d89b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2024-12-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 969405d6e997b9e5cf0ff38bbaa4994665532cf55ee9efc6e429a4a63ed69e86
[INFO] running `Command { std: "docker" "start" "-a" "969405d6e997b9e5cf0ff38bbaa4994665532cf55ee9efc6e429a4a63ed69e86", kill_on_drop: false }`
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling instant v0.1.13
[INFO] [stderr]    Compiling generic-array v0.14.7
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[INFO] [stderr]    Compiling nix v0.15.0
[INFO] [stderr]    Compiling pin-utils v0.1.0
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling hash32 v0.1.1
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[INFO] [stderr]    Compiling static_assertions v1.1.0
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[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling twox-hash v1.6.3
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[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling httparse v1.9.5
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling http v0.2.12
[INFO] [stderr]    Compiling relative v0.2.2
[INFO] [stderr]    Compiling capnpc v0.12.4
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling generic-array v0.13.3
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling iana-time-zone v0.1.61
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling try-lock v0.2.5
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[INFO] [stderr]    Compiling crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
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[INFO] [stderr]    Compiling fasthash-sys v0.3.2
[INFO] [stderr]    Compiling as-slice v0.1.5
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling either v1.13.0
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[INFO] [stderr]    Compiling metatype v0.2.1
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[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:34:1
[INFO] [stdout]    |
[INFO] [stdout] 34 | #![feature(arbitrary_self_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:35:1
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![feature(ptr_metadata)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const T` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |     default fn meta(self: *const Self) -> Self::Meta {
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const T` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:121:24
[INFO] [stdout]     |
[INFO] [stdout] 121 |     default fn data(self: *const Self) -> *const () {
[INFO] [stdout]     |                           ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*mut T` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:125:28
[INFO] [stdout]     |
[INFO] [stdout] 125 |     default fn data_mut(self: *mut Self) -> *mut () {
[INFO] [stdout]     |                               ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const T` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:159:16
[INFO] [stdout]     |
[INFO] [stdout] 159 |     fn meta(self: *const Self) -> Self::Meta {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const T` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:163:16
[INFO] [stdout]     |
[INFO] [stdout] 163 |     fn data(self: *const Self) -> *const () {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*mut T` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:167:20
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn data_mut(self: *mut Self) -> *mut () {
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const [T]` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:182:16
[INFO] [stdout]     |
[INFO] [stdout] 182 |     fn meta(self: *const Self) -> Self::Meta {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const [T]` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:191:16
[INFO] [stdout]     |
[INFO] [stdout] 191 |     fn data(self: *const Self) -> *const () {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*mut [T]` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:195:20
[INFO] [stdout]     |
[INFO] [stdout] 195 |     fn data_mut(self: *mut Self) -> *mut () {
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const str` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:211:16
[INFO] [stdout]     |
[INFO] [stdout] 211 |     fn meta(self: *const Self) -> Self::Meta {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const str` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:217:16
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn data(self: *const Self) -> *const () {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*mut str` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:221:20
[INFO] [stdout]     |
[INFO] [stdout] 221 |     fn data_mut(self: *mut Self) -> *mut () {
[INFO] [stdout]     |                       ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]     = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:67:21
[INFO] [stdout]    |
[INFO] [stdout] 67 |     fn meta_type(self: *const Self) -> MetaType {
[INFO] [stdout]    |                        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]    = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn meta(self: *const Self) -> Self::Meta;
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]    = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*const Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:73:16
[INFO] [stdout]    |
[INFO] [stdout] 73 |     fn data(self: *const Self) -> *const ();
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]    = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `*mut Self` cannot be used as the type of `self` without the `arbitrary_self_types_pointers` feature
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/metatype-0.2.1/src/lib.rs:75:20
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn data_mut(self: *mut Self) -> *mut ();
[INFO] [stdout]    |                       ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #44874 <https://github.com/rust-lang/rust/issues/44874> for more information
[INFO] [stdout]    = help: consider changing to `self`, `&self`, `&mut self`, `self: Box<Self>`, `self: Rc<Self>`, `self: Arc<Self>`, or `self: Pin<P>` (where P is one of the previous types except `Self`)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling downcast-rs v1.2.1
[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 `metatype` (lib) due to 19 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "969405d6e997b9e5cf0ff38bbaa4994665532cf55ee9efc6e429a4a63ed69e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969405d6e997b9e5cf0ff38bbaa4994665532cf55ee9efc6e429a4a63ed69e86", kill_on_drop: false }`
[INFO] [stdout] 969405d6e997b9e5cf0ff38bbaa4994665532cf55ee9efc6e429a4a63ed69e86
