[INFO] fetching crate magic-ring-buffer 0.1.0...
[INFO] testing magic-ring-buffer-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate magic-ring-buffer 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate magic-ring-buffer 0.1.0
[INFO] finished tweaking crates.io crate magic-ring-buffer 0.1.0
[INFO] tweaked toml for crates.io crate magic-ring-buffer 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate magic-ring-buffer 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding errno v0.2.8 (available: v0.3.14)
[INFO] [stderr]       Adding file-descriptors v0.8.7 (available: v0.9.1)
[INFO] [stderr]       Adding likely v0.1.0 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f7a3d4dad4bbb3f19b6d90bb0cfb902a4d04ca690d068fc90dffafc0799140
[INFO] running `Command { std: "docker" "start" "-a" "11f7a3d4dad4bbb3f19b6d90bb0cfb902a4d04ca690d068fc90dffafc0799140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f7a3d4dad4bbb3f19b6d90bb0cfb902a4d04ca690d068fc90dffafc0799140", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f7a3d4dad4bbb3f19b6d90bb0cfb902a4d04ca690d068fc90dffafc0799140", kill_on_drop: false }`
[INFO] [stdout] 11f7a3d4dad4bbb3f19b6d90bb0cfb902a4d04ca690d068fc90dffafc0799140
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1a5536ded5870a199927ca3a3a9e75ec6b42af75a2177994e07ec09de68ee1f5
[INFO] running `Command { std: "docker" "start" "-a" "1a5536ded5870a199927ca3a3a9e75ec6b42af75a2177994e07ec09de68ee1f5", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling strum v0.13.0
[INFO] [stderr]    Compiling likely v0.1.0
[INFO] [stderr]    Compiling errno v0.2.8
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling strum_macros v0.13.0
[INFO] [stderr]    Compiling file-descriptors v0.8.7
[INFO] [stdout] error[E0432]: unresolved import `std::io::Initializer`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/lib.rs:176:7
[INFO] [stdout]     |
[INFO] [stdout] 176 |         use ::std::io::Initializer;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^ no `Initializer` in `io`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/character_device/CharacterDeviceFileDescriptor.rs:125:2
[INFO] [stdout]     |
[INFO] [stdout] 125 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 126 | |     {
[INFO] [stdout] 127 | |         Initializer::nop()
[INFO] [stdout] 128 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/pipes_and_fifos/ReceivePipeFileDescriptor.rs:118:2
[INFO] [stdout]     |
[INFO] [stdout] 118 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 119 | |     {
[INFO] [stdout] 120 | |         Initializer::nop()
[INFO] [stdout] 121 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/socket/StreamingSocketFileDescriptor.rs:175:2
[INFO] [stdout]     |
[INFO] [stdout] 175 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 176 | |     {
[INFO] [stdout] 177 | |         Initializer::nop()
[INFO] [stdout] 178 | |     }
[INFO] [stdout]     | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/socket/StreamingSocketFileDescriptorEnum.rs:59:2
[INFO] [stdout]    |
[INFO] [stdout] 59 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 60 | |     {
[INFO] [stdout] 61 | |         Initializer::nop()
[INFO] [stdout] 62 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0407]: method `initializer` is not a member of trait `Read`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/terminal/TerminalFileDescriptor.rs:69:2
[INFO] [stdout]    |
[INFO] [stdout] 69 | /     unsafe fn initializer(&self) -> Initializer
[INFO] [stdout] 70 | |     {
[INFO] [stdout] 71 | |         self.0.initializer()
[INFO] [stdout] 72 | |     }
[INFO] [stdout]    | |_____^ not a member of trait `Read`
[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-1949cf8c6b5b557f/file-descriptors-0.8.7/src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(core_intrinsics)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/lib.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(read_initializer)]
[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-1949cf8c6b5b557f/file-descriptors-0.8.7/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(try_from)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `read_initializer`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/lib.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | #![feature(read_initializer)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `initializer` found for struct `CharacterDeviceFileDescriptor` in the current scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/terminal/TerminalFileDescriptor.rs:71:10
[INFO] [stdout]    |
[INFO] [stdout] 71 |         self.0.initializer()
[INFO] [stdout]    |                ^^^^^^^^^^^ method not found in `CharacterDeviceFileDescriptor`
[INFO] [stdout]    |
[INFO] [stdout]   ::: /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/character_device/CharacterDeviceFileDescriptor.rs:9:1
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct CharacterDeviceFileDescriptor(RawFd);
[INFO] [stdout]    | ---------------------------------------- method `initializer` not found for this struct
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/socket/syscall/sockaddr_in.rs:99:12
[INFO] [stdout]    |
[INFO] [stdout] 99 |         unsafe { transmute(value) }
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: source type: `std::net::SocketAddrV4` (48 bits)
[INFO] [stdout]    = note: target type: `socket::syscall::sockaddr_in` (128 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/socket/syscall/sockaddr_in.rs:108:12
[INFO] [stdout]     |
[INFO] [stdout] 108 |         unsafe { transmute(self) }
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `socket::syscall::sockaddr_in` (128 bits)
[INFO] [stdout]     = note: target type: `std::net::SocketAddrV4` (48 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0512]: cannot transmute between types of different sizes, or dependently-sized types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/file-descriptors-0.8.7/src/socket/SocketFileDescriptor.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |         unsafe { transmute(socket_address) }
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: source type: `std::net::SocketAddrV4` (48 bits)
[INFO] [stdout]     = note: target type: `socket::syscall::sockaddr_in` (128 bits)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0407, E0432, E0512, E0554, E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0407`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `file-descriptors` (lib) due to 14 previous errors
[INFO] running `Command { std: "docker" "inspect" "1a5536ded5870a199927ca3a3a9e75ec6b42af75a2177994e07ec09de68ee1f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a5536ded5870a199927ca3a3a9e75ec6b42af75a2177994e07ec09de68ee1f5", kill_on_drop: false }`
[INFO] [stdout] 1a5536ded5870a199927ca3a3a9e75ec6b42af75a2177994e07ec09de68ee1f5
