[INFO] fetching crate drone-core 0.14.3...
[INFO] testing drone-core-0.14.3 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] extracting crate drone-core 0.14.3 into /workspace/builds/worker-1-tc1/source
[INFO] removed /workspace/builds/worker-1-tc1/source/rust-toolchain
[INFO] started tweaking crates.io crate drone-core 0.14.3
[INFO] finished tweaking crates.io crate drone-core 0.14.3
[INFO] tweaked toml for crates.io crate drone-core 0.14.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate drone-core 0.14.3 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded drone-core-macros v0.14.3
[INFO] [stderr]   Downloaded drone-config v0.14.0
[INFO] [stderr]   Downloaded drone-macros-core v0.14.3
[INFO] [stderr]   Downloaded drone-ctypes v0.14.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43fc0e67779db7303bba5adf4fe5fa3de49e98e0e22115b43bd97288df9a741e
[INFO] running `Command { std: "docker" "start" "-a" "43fc0e67779db7303bba5adf4fe5fa3de49e98e0e22115b43bd97288df9a741e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43fc0e67779db7303bba5adf4fe5fa3de49e98e0e22115b43bd97288df9a741e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43fc0e67779db7303bba5adf4fe5fa3de49e98e0e22115b43bd97288df9a741e", kill_on_drop: false }`
[INFO] [stdout] 43fc0e67779db7303bba5adf4fe5fa3de49e98e0e22115b43bd97288df9a741e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 785a435ecb2cd23ddd405d52b086c635b4116dc978e5d591c7e319a3f1477da2
[INFO] running `Command { std: "docker" "start" "-a" "785a435ecb2cd23ddd405d52b086c635b4116dc978e5d591c7e319a3f1477da2", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling if_chain v1.0.3
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling drone-ctypes v0.14.3
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling regex-automata v0.4.10
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling regex v1.11.2
[INFO] [stderr]    Compiling drone-macros-core v0.14.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling drone-config v0.14.0
[INFO] [stderr]    Compiling drone-core-macros v0.14.3
[INFO] [stderr]    Compiling drone-core v0.14.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | #![feature(const_fn)]
[INFO] [stdout]    |            ^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.54.0; see <https://github.com/rust-lang/rust/pull/85109> for more information
[INFO] [stdout]    = note: split into finer-grained feature gates
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | #![feature(generators)]
[INFO] [stdout]    |            ^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.75.0; see <https://github.com/rust-lang/rust/pull/116958> for more information
[INFO] [stdout]    = note: renamed to `coroutines`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> src/lib.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | #![feature(untagged_unions)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: removed in 1.64.0; see <https://github.com/rust-lang/rust/pull/97995> for more information
[INFO] [stdout]    = note: unions with `Copy` and `ManuallyDrop` fields are stable; there is no intent to stabilize more
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `prelude` in `alloc`
[INFO] [stdout]   --> src/prelude.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub use alloc::prelude::v1::*;
[INFO] [stdout]    |                ^^^^^^^ could not find `prelude` in `alloc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `core::ops::Generator`, `core::ops::GeneratorState`
[INFO] [stdout]  --> src/fib/generator.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 |     ops::{Generator, GeneratorState},
[INFO] [stdout]   |           ^^^^^^^^^  ^^^^^^^^^^^^^^ no `GeneratorState` in `ops`
[INFO] [stdout]   |           |
[INFO] [stdout]   |           no `Generator` in `ops`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `String`
[INFO] [stdout]    --> src/ffi/c_str.rs:380:9
[INFO] [stdout]     |
[INFO] [stdout] 380 |         String::from_utf8_lossy(self.to_bytes())
[INFO] [stdout]     |         ^^^^^^ use of undeclared type `String`
[INFO] [stdout]     |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 380 |         CString::from_utf8_lossy(self.to_bytes())
[INFO] [stdout]     |         +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::string::String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:396:32
[INFO] [stdout]     |
[INFO] [stdout] 396 |     pub fn into_c_string(self: Box<Self>) -> CString {
[INFO] [stdout]     |                                ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:397:19
[INFO] [stdout]     |
[INFO] [stdout] 397 |         let raw = Box::into_raw(self) as *mut [u8];
[INFO] [stdout]     |                   ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:398:35
[INFO] [stdout]     |
[INFO] [stdout] 398 |         CString { inner: unsafe { Box::from_raw(raw) } }
[INFO] [stdout]     |                                   ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0405]: cannot find trait `ToOwned` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:449:6
[INFO] [stdout]     |
[INFO] [stdout] 449 | impl ToOwned for CStr {
[INFO] [stdout]     |      ^^^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this trait
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::borrow::ToOwned;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:464:18
[INFO] [stdout]     |
[INFO] [stdout] 464 | impl Default for Box<CStr> {
[INFO] [stdout]     |                  ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:466:20
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let boxed: Box<[u8]> = Box::from([0]);
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:466:32
[INFO] [stdout]     |
[INFO] [stdout] 466 |         let boxed: Box<[u8]> = Box::from([0]);
[INFO] [stdout]     |                                ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:467:18
[INFO] [stdout]     |
[INFO] [stdout] 467 |         unsafe { Box::from_raw(Box::into_raw(boxed) as *mut CStr) }
[INFO] [stdout]     |                  ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:467:32
[INFO] [stdout]     |
[INFO] [stdout] 467 |         unsafe { Box::from_raw(Box::into_raw(boxed) as *mut CStr) }
[INFO] [stdout]     |                                ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:471:16
[INFO] [stdout]     |
[INFO] [stdout] 471 | impl Clone for Box<CStr> {
[INFO] [stdout]     |                ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:478:22
[INFO] [stdout]     |
[INFO] [stdout] 478 | impl From<&CStr> for Box<CStr> {
[INFO] [stdout]     |                      ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:480:20
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let boxed: Box<[u8]> = Box::from(s.to_bytes_with_nul());
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:480:32
[INFO] [stdout]     |
[INFO] [stdout] 480 |         let boxed: Box<[u8]> = Box::from(s.to_bytes_with_nul());
[INFO] [stdout]     |                                ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:481:18
[INFO] [stdout]     |
[INFO] [stdout] 481 |         unsafe { Box::from_raw(Box::into_raw(boxed) as *mut CStr) }
[INFO] [stdout]     |                  ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_str.rs:481:32
[INFO] [stdout]     |
[INFO] [stdout] 481 |         unsafe { Box::from_raw(Box::into_raw(boxed) as *mut CStr) }
[INFO] [stdout]     |                                ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_str.rs:485:24
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl From<CString> for Box<CStr> {
[INFO] [stdout]     |                        ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]   --> src/ffi/c_string.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |     pub(super) inner: Box<[u8]>,
[INFO] [stdout]    |                       ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  3 + use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:107:28
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct NulError(usize, Vec<u8>);
[INFO] [stdout]     |                            ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:150:24
[INFO] [stdout]     |
[INFO] [stdout] 150 |     pub fn new<T: Into<Vec<u8>>>(t: T) -> Result<Self, NulError> {
[INFO] [stdout]     |                        ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:154:20
[INFO] [stdout]     |
[INFO] [stdout] 154 |     fn _new(bytes: Vec<u8>) -> Result<Self, NulError> {
[INFO] [stdout]     |                    ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:179:45
[INFO] [stdout]     |
[INFO] [stdout] 179 |     pub unsafe fn from_vec_unchecked(mut v: Vec<u8>) -> Self {
[INFO] [stdout]     |                                             ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_string.rs:226:27
[INFO] [stdout]     |
[INFO] [stdout] 226 |             Self { inner: Box::from_raw(slice as *mut [c_char] as *mut [u8]) }
[INFO] [stdout]     |                           ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_string.rs:261:9
[INFO] [stdout]     |
[INFO] [stdout] 261 |         Box::into_raw(self.into_inner()).cast::<c_char>()
[INFO] [stdout]     |         ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `String` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:283:40
[INFO] [stdout]     |
[INFO] [stdout]  84 | pub struct CString {
[INFO] [stdout]     | ------------------ similarly named struct `CString` defined here
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub fn into_string(self) -> Result<String, IntoStringError> {
[INFO] [stdout]     |                                        ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 283 |     pub fn into_string(self) -> Result<CString, IntoStringError> {
[INFO] [stdout]     |                                        +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::string::String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `String`
[INFO] [stdout]    --> src/ffi/c_string.rs:284:9
[INFO] [stdout]     |
[INFO] [stdout] 284 |         String::from_utf8(self.into_bytes()).map_err(|e| IntoStringError {
[INFO] [stdout]     |         ^^^^^^ use of undeclared type `String`
[INFO] [stdout]     |
[INFO] [stdout] help: a struct with a similar name exists
[INFO] [stdout]     |
[INFO] [stdout] 284 |         CString::from_utf8(self.into_bytes()).map_err(|e| IntoStringError {
[INFO] [stdout]     |         +
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::string::String;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:304:32
[INFO] [stdout]     |
[INFO] [stdout] 304 |     pub fn into_bytes(self) -> Vec<u8> {
[INFO] [stdout]     |                                ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:323:41
[INFO] [stdout]     |
[INFO] [stdout] 323 |     pub fn into_bytes_with_nul(self) -> Vec<u8> {
[INFO] [stdout]     |                                         ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:397:38
[INFO] [stdout]     |
[INFO] [stdout] 397 |     pub fn into_boxed_c_str(self) -> Box<CStr> {
[INFO] [stdout]     |                                      ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_string.rs:398:18
[INFO] [stdout]     |
[INFO] [stdout] 398 |         unsafe { Box::from_raw(Box::into_raw(self.into_inner()) as *mut CStr) }
[INFO] [stdout]     |                  ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/ffi/c_string.rs:398:32
[INFO] [stdout]     |
[INFO] [stdout] 398 |         unsafe { Box::from_raw(Box::into_raw(self.into_inner()) as *mut CStr) }
[INFO] [stdout]     |                                ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:402:39
[INFO] [stdout]     |
[INFO] [stdout] 402 |     pub(super) fn into_inner(self) -> Box<[u8]> {
[INFO] [stdout]     |                                       ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:442:30
[INFO] [stdout]     |
[INFO] [stdout] 442 |     pub fn into_vec(self) -> Vec<u8> {
[INFO] [stdout]     |                              ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Vec` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:485:24
[INFO] [stdout]     |
[INFO] [stdout] 485 | impl From<CString> for Vec<u8> {
[INFO] [stdout]     |                        ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::vec::Vec;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:524:11
[INFO] [stdout]     |
[INFO] [stdout] 524 | impl From<Box<CStr>> for CString {
[INFO] [stdout]     |           ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]    --> src/ffi/c_string.rs:528:16
[INFO] [stdout]     |
[INFO] [stdout] 528 |     fn from(s: Box<CStr>) -> Self {
[INFO] [stdout]     |                ^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/fib/chain.rs:108:31
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { Self::upcast(Box::into_raw(Box::new(ListNode::from(node)))) }
[INFO] [stdout]     |                               ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/fib/chain.rs:108:45
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { Self::upcast(Box::into_raw(Box::new(ListNode::from(node)))) }
[INFO] [stdout]     |                                             ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/fib/chain.rs:116:18
[INFO] [stdout]     |
[INFO] [stdout] 116 |         unsafe { Box::from_raw(Self::downcast(node)) };
[INFO] [stdout]     |                  ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]   --> src/io/read.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ) -> Pin<Box<dyn Future<Output = Result<usize, Self::Error>> + Send + 'sess>>;
[INFO] [stdout]    |              ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]   --> src/io/seek.rs:24:14
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ) -> Pin<Box<dyn Future<Output = Result<u64, Self::Error>> + Send + 'sess>>;
[INFO] [stdout]    |              ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]   --> src/io/write.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     ) -> Pin<Box<dyn Future<Output = Result<usize, Self::Error>> + Send + 'sess>>;
[INFO] [stdout]    |              ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  1 + use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Box` in this scope
[INFO] [stdout]   --> src/proc_loop.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | type SessFuture<'a, T> = Pin<Box<dyn Future<Output = T> + Send + 'a>>;
[INFO] [stdout]    |                              ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  9 + use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]   --> src/proc_loop.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         Box::pin(async move {
[INFO] [stdout]    |         ^^^ use of undeclared type `Box`
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]    |
[INFO] [stdout]  9 + use alloc::boxed::Box;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/linked_list.rs:110:32
[INFO] [stdout]     |
[INFO] [stdout] 110 |         unsafe { self.push_raw(Box::into_raw(Box::new(Node::from(data)))) };
[INFO] [stdout]     |                                ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/linked_list.rs:110:46
[INFO] [stdout]     |
[INFO] [stdout] 110 |         unsafe { self.push_raw(Box::into_raw(Box::new(Node::from(data)))) };
[INFO] [stdout]     |                                              ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/linked_list.rs:170:44
[INFO] [stdout]     |
[INFO] [stdout] 170 |         unsafe { self.pop_raw().map(|node| Box::from_raw(node).value) }
[INFO] [stdout]     |                                            ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/linked_list.rs:332:27
[INFO] [stdout]     |
[INFO] [stdout] 332 |             drop(unsafe { Box::from_raw(curr) });
[INFO] [stdout]     |                           ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/linked_list.rs:384:27
[INFO] [stdout]     |
[INFO] [stdout] 384 |             Some(unsafe { Box::from_raw(curr) }.value)
[INFO] [stdout]     |                           ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/linked_list.rs:427:45
[INFO] [stdout]     |
[INFO] [stdout] 427 |         self.raw.next().map(|node| unsafe { Box::from_raw(node).value })
[INFO] [stdout]     |                                             ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   3 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/mutex.rs:152:43
[INFO] [stdout]     |
[INFO] [stdout] 152 |                     .for_each(|node| drop(Box::from_raw(node)));
[INFO] [stdout]     |                                           ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/mutex.rs:187:26
[INFO] [stdout]     |
[INFO] [stdout] 187 |             let waiter = Box::into_raw(Box::new(Node::from(Waiter::from(cx.waker().clone()))));
[INFO] [stdout]     |                          ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Box`
[INFO] [stdout]    --> src/sync/mutex.rs:187:40
[INFO] [stdout]     |
[INFO] [stdout] 187 |             let waiter = Box::into_raw(Box::new(Node::from(Waiter::from(cx.waker().clone()))));
[INFO] [stdout]     |                                        ^^^ use of undeclared type `Box`
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]     |
[INFO] [stdout]   1 + use alloc::boxed::Box;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `raw_vec` is private
[INFO] [stdout]   --> src/sync/spsc/ring/mod.rs:15:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | use alloc::{raw_vec::RawVec, sync::Arc};
[INFO] [stdout]    |             ^^^^^^^ private module
[INFO] [stdout]    |
[INFO] [stdout] note: the module `raw_vec` is defined here
[INFO] [stdout]   --> /rustc/cdb45c87e2cd43495379f7e867e3cc15dcee9f93/library/alloc/src/lib.rs:208:1
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/future.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/stream_pulse.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/stream_ring.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/stream_ring.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `lang_items` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![feature(lang_items)]
[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: the feature `prelude_import` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:41:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | #![feature(prelude_import)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `core_intrinsics` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | #![feature(core_intrinsics)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `raw_vec_internals` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 | #![feature(raw_vec_internals)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_internals` is internal to the compiler or standard library
[INFO] [stdout]   --> src/lib.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | #![feature(slice_internals)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: using it is strongly discouraged
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0522]: definition of an unknown lang item: `oom`
[INFO] [stdout]   --> src/lang_items.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[lang = "oom"]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^ definition of unknown lang item `oom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/future.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/fib/future.rs:108:17
[INFO] [stdout]     |
[INFO] [stdout] 108 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout]  96 |         #[coroutine] move || {
[INFO] [stdout]     |         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/stream_pulse.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/fib/stream_pulse.rs:190:17
[INFO] [stdout]     |
[INFO] [stdout] 190 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 151 |         #[coroutine] move || {
[INFO] [stdout]     |         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/stream_ring.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/fib/stream_ring.rs:307:17
[INFO] [stdout]     |
[INFO] [stdout] 307 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 263 |         #[coroutine] move || {
[INFO] [stdout]     |         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: yield syntax is experimental
[INFO] [stdout]    --> src/fib/stream_ring.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #43122 <https://github.com/rust-lang/rust/issues/43122> for more information
[INFO] [stdout]     = help: add `#![feature(yield_expr)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-27; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: `yield` can only be used in `#[coroutine]` closures, or `gen` blocks
[INFO] [stdout]    --> src/fib/stream_ring.rs:353:17
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 yield;
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: use `#[coroutine]` to make this closure a coroutine
[INFO] [stdout]     |
[INFO] [stdout] 329 |         #[coroutine] move || {
[INFO] [stdout]     |         ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `const_raw_ptr_deref` has been stable since 1.58.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | #![feature(const_raw_ptr_deref)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_extra` has been stable since 1.60.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 | #![feature(maybe_uninit_extra)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:36:12
[INFO] [stdout]    |
[INFO] [stdout] 36 | #![feature(maybe_uninit_ref)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `nonnull_slice_from_raw_parts` has been stable since 1.70.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | #![feature(nonnull_slice_from_raw_parts)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `slice_ptr_len` has been stable since 1.79.0 and no longer requires an attribute to enable
[INFO] [stdout]   --> src/lib.rs:45:12
[INFO] [stdout]    |
[INFO] [stdout] 45 | #![feature(slice_ptr_len)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `generator_trait`
[INFO] [stdout]   --> src/lib.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | #![feature(generator_trait)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `alloc_prelude`
[INFO] [stdout]   --> src/lib.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | #![feature(alloc_prelude)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Yield` not found for `G`
[INFO] [stdout]   --> src/fib/generator.rs:26:62
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn resume(self: Pin<&mut Self>, (): ()) -> FiberState<G::Yield, G::Return> {
[INFO] [stdout]    |                                                              ^^^^^ associated type `Yield` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0220]: associated type `Return` not found for `G`
[INFO] [stdout]   --> src/fib/generator.rs:26:72
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn resume(self: Pin<&mut Self>, (): ()) -> FiberState<G::Yield, G::Return> {
[INFO] [stdout]    |                                                                        ^^^^^^ associated type `Return` not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `drone-core` (lib) due to 76 previous errors; 10 warnings emitted
[INFO] [stdout] Some errors have detailed explanations: E0220, E0405, E0412, E0432, E0433, E0522, E0557, E0603, E0635...
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0220`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "785a435ecb2cd23ddd405d52b086c635b4116dc978e5d591c7e319a3f1477da2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "785a435ecb2cd23ddd405d52b086c635b4116dc978e5d591c7e319a3f1477da2", kill_on_drop: false }`
[INFO] [stdout] 785a435ecb2cd23ddd405d52b086c635b4116dc978e5d591c7e319a3f1477da2