[INFO] fetching crate silica 0.0.1...
[INFO] testing silica-0.0.1 against 1.75.0 for beta-1.76-1
[INFO] extracting crate silica 0.0.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate silica 0.0.1 on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silica 0.0.1
[INFO] finished tweaking crates.io crate silica 0.0.1
[INFO] tweaked toml for crates.io crate silica 0.0.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 67c24275067f4a82c37338a3239043e4b67bf44a0c5bf0a4c8a53ff8ab7ba476
[INFO] running `Command { std: "docker" "start" "-a" "67c24275067f4a82c37338a3239043e4b67bf44a0c5bf0a4c8a53ff8ab7ba476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c24275067f4a82c37338a3239043e4b67bf44a0c5bf0a4c8a53ff8ab7ba476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c24275067f4a82c37338a3239043e4b67bf44a0c5bf0a4c8a53ff8ab7ba476", kill_on_drop: false }`
[INFO] [stdout] 67c24275067f4a82c37338a3239043e4b67bf44a0c5bf0a4c8a53ff8ab7ba476
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ba7828b88ab760402146f4a41ab49cb9a4e7d739b9b1503994eec70e4ed0dda
[INFO] running `Command { std: "docker" "start" "-a" "1ba7828b88ab760402146f4a41ab49cb9a4e7d739b9b1503994eec70e4ed0dda", kill_on_drop: false }`
[INFO] [stderr]    Compiling silica v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/thread.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/sync/mpsc.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/thread.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |               ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/lib.rs:225:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/io.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |               ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]  --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/alloc/src/lib.rs:225:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(needs_panic_runtime)]
[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(optin_builtin_traits)]
[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:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[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:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_fn)]
[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:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T> !Sync for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T> !Send for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `needs_panic_runtime` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(needs_panic_runtime)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/peripheral/gpio.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn write(&mut self, bool) -> bool;
[INFO] [stdout]   |                         ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     f: Box<Fn()>,
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     f: Box<dyn Fn()>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(f: Box<Fn()>, name: &'static str,  stack_size: usize, pri: ThreadPriority) -> Thread {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(f: Box<dyn Fn()>, name: &'static str,  stack_size: usize, pri: ThreadPriority) -> Thread {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<InterruptSafe<ThreadInner> as Pointee>::Metadata == ()`
[INFO] [stdout]   --> src/thread.rs:11:77
[INFO] [stdout]    |
[INFO] [stdout] 11 | static mut READY_LIST: [*const InterruptSafe<ThreadInner>; PRIORITY_MAX] = [ptr::null_mut(); PRIORITY_MAX];
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^ expected `()`, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected unit type `()`
[INFO] [stdout]            found associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata`
[INFO] [stdout]    = help: consider constraining the associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata` to `()`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]    = note: required for `InterruptSafe<ThreadInner>` to implement `Thin`
[INFO] [stdout] note: required by a bound in `null_mut`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ptr/mod.rs:554:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<InterruptSafe<ThreadInner> as Pointee>::Metadata == ()`
[INFO] [stdout]   --> src/thread.rs:76:23
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 next: ptr::null_mut(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ expected `()`, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected unit type `()`
[INFO] [stdout]            found associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata`
[INFO] [stdout]    = help: consider constraining the associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata` to `()`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]    = note: required for `InterruptSafe<ThreadInner>` to implement `Thin`
[INFO] [stdout] note: required by a bound in `null_mut`
[INFO] [stdout]   --> /rustc/82e1608dfa6e0b5569232559e3d385fea5a93112/library/core/src/ptr/mod.rs:554:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0432, E0554, E0557, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `silica` (lib) due to 17 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1ba7828b88ab760402146f4a41ab49cb9a4e7d739b9b1503994eec70e4ed0dda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ba7828b88ab760402146f4a41ab49cb9a4e7d739b9b1503994eec70e4ed0dda", kill_on_drop: false }`
[INFO] [stdout] 1ba7828b88ab760402146f4a41ab49cb9a4e7d739b9b1503994eec70e4ed0dda
[INFO] testing silica-0.0.1 against beta-2023-12-22 for beta-1.76-1
[INFO] extracting crate silica 0.0.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate silica 0.0.1 on toolchain beta-2023-12-22
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate silica 0.0.1
[INFO] finished tweaking crates.io crate silica 0.0.1
[INFO] tweaked toml for crates.io crate silica 0.0.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-12-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ff12adf0a260017dacd537bb83a60656d655e6348f4c3bed953bc854491774d
[INFO] running `Command { std: "docker" "start" "-a" "5ff12adf0a260017dacd537bb83a60656d655e6348f4c3bed953bc854491774d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ff12adf0a260017dacd537bb83a60656d655e6348f4c3bed953bc854491774d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ff12adf0a260017dacd537bb83a60656d655e6348f4c3bed953bc854491774d", kill_on_drop: false }`
[INFO] [stdout] 5ff12adf0a260017dacd537bb83a60656d655e6348f4c3bed953bc854491774d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-12-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 168cc21e275251d765188331985f800b0dfd621c74e50399356441ea36361368
[INFO] running `Command { std: "docker" "start" "-a" "168cc21e275251d765188331985f800b0dfd621c74e50399356441ea36361368", kill_on_drop: false }`
[INFO] [stderr]    Compiling silica v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: renamed to `auto_traits`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_fn)]
[INFO] [stdout]   |            ^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/thread.rs:3:15
[INFO] [stdout]   |
[INFO] [stdout] 3 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `liballoc::arc`
[INFO] [stdout]  --> src/sync/mpsc.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use liballoc::arc::Arc;
[INFO] [stdout]   |               ^^^ could not find `arc` in `liballoc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/thread.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |               ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]  --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/lib.rs:225:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]  --> src/io.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use liballoc::raw_vec::RawVec;
[INFO] [stdout]   |               ^^^^^^^ private module
[INFO] [stdout]   |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]  --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/alloc/src/lib.rs:225:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(needs_panic_runtime)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(optin_builtin_traits)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(const_fn)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(unboxed_closures)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<T> !Sync for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: negative trait bounds are not yet fully implemented; use marker types for now
[INFO] [stdout]   --> src/sync/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl<T> !Send for CriticalSection<T> {}
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `needs_panic_runtime` is internal to the compiler or standard library
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(needs_panic_runtime)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: using it is strongly discouraged
[INFO] [stdout]   = note: `#[warn(internal_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/peripheral/gpio.rs:7:25
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn write(&mut self, bool) -> bool;
[INFO] [stdout]   |                         ^^^^ help: try naming the parameter or explicitly ignoring it: `_: bool`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `alloc` has been stable since 1.36.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(alloc)]
[INFO] [stdout]   |            ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 |     f: Box<Fn()>,
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 41 |     f: Box<dyn Fn()>,
[INFO] [stdout]    |            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/thread.rs:69:23
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(f: Box<Fn()>, name: &'static str,  stack_size: usize, pri: ThreadPriority) -> Thread {
[INFO] [stdout]    |                       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(f: Box<dyn Fn()>, name: &'static str,  stack_size: usize, pri: ThreadPriority) -> Thread {
[INFO] [stdout]    |                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<InterruptSafe<ThreadInner> as Pointee>::Metadata == ()`
[INFO] [stdout]   --> src/thread.rs:11:77
[INFO] [stdout]    |
[INFO] [stdout] 11 | static mut READY_LIST: [*const InterruptSafe<ThreadInner>; PRIORITY_MAX] = [ptr::null_mut(); PRIORITY_MAX];
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^ expected `()`, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected unit type `()`
[INFO] [stdout]            found associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata`
[INFO] [stdout]    = help: consider constraining the associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata` to `()`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]    = note: required for `InterruptSafe<ThreadInner>` to implement `Thin`
[INFO] [stdout] note: required by a bound in `null_mut`
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ptr/mod.rs:563:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0271]: type mismatch resolving `<InterruptSafe<ThreadInner> as Pointee>::Metadata == ()`
[INFO] [stdout]   --> src/thread.rs:76:23
[INFO] [stdout]    |
[INFO] [stdout] 76 |                 next: ptr::null_mut(),
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ expected `()`, found associated type
[INFO] [stdout]    |
[INFO] [stdout]    = note:    expected unit type `()`
[INFO] [stdout]            found associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata`
[INFO] [stdout]    = help: consider constraining the associated type `<InterruptSafe<ThreadInner> as Pointee>::Metadata` to `()`
[INFO] [stdout]    = note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
[INFO] [stdout]    = note: required for `InterruptSafe<ThreadInner>` to implement `Thin`
[INFO] [stdout] note: required by a bound in `null_mut`
[INFO] [stdout]   --> /rustc/0e09125c6c3c2fd70d7de961bcf0e51575235fad/library/core/src/ptr/mod.rs:563:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 16 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0271, E0432, E0554, E0557, E0603, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0271`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `silica` (lib) due to 17 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "168cc21e275251d765188331985f800b0dfd621c74e50399356441ea36361368", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "168cc21e275251d765188331985f800b0dfd621c74e50399356441ea36361368", kill_on_drop: false }`
[INFO] [stdout] 168cc21e275251d765188331985f800b0dfd621c74e50399356441ea36361368
