[INFO] fetching crate io-plugin 0.6.0...
[INFO] testing io-plugin-0.6.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate io-plugin 0.6.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate io-plugin 0.6.0
[INFO] finished tweaking crates.io crate io-plugin 0.6.0
[INFO] tweaked toml for crates.io crate io-plugin 0.6.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate io-plugin 0.6.0 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 49 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[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] 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] 08d97983c84720b46391836f2c4cb46d0ada471617cf6f970ea0dca07a86ec1f
[INFO] running `Command { std: "docker" "start" "-a" "08d97983c84720b46391836f2c4cb46d0ada471617cf6f970ea0dca07a86ec1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08d97983c84720b46391836f2c4cb46d0ada471617cf6f970ea0dca07a86ec1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d97983c84720b46391836f2c4cb46d0ada471617cf6f970ea0dca07a86ec1f", kill_on_drop: false }`
[INFO] [stdout] 08d97983c84720b46391836f2c4cb46d0ada471617cf6f970ea0dca07a86ec1f
[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] 9d86537469fa1a268f184ab6ee779a1f32cded2ece57d4fd1bdc193383d066e0
[INFO] running `Command { std: "docker" "start" "-a" "9d86537469fa1a268f184ab6ee779a1f32cded2ece57d4fd1bdc193383d066e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling io-plugin-macros v0.6.0
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/handle.rs:89:38
[INFO] [stdout]    |
[INFO] [stdout] 89 |       let (name_expr, name_param) = if let Some(get_name) = methods
[INFO] [stdout]    |  ______________________________________^
[INFO] [stdout] 90 | |         .iter()
[INFO] [stdout] 91 | |         .find(|m| m.sig.ident.to_string() == "get_name")
[INFO] [stdout]    | |________________________________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/handle.rs:177:12
[INFO] [stdout]     |
[INFO] [stdout] 177 |         if let Some(ty) = types.first()
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/plugin_interface.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |                 if let Some(ty) = types.first()
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/util.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |         if let Meta::List(MetaList { path, tokens, .. }) = &a.meta
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/util.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |             && let Some(ident) = path.get_ident()
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/util.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 |         if let Meta::NameValue(MetaNameValue { path, value, .. }) = &a.meta
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/util.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |             && let Some(ident) = path.get_ident()
[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/io-plugin-macros-0.6.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(extend_one, let_chains, anonymous_lifetime_in_impl_trait, extract_if)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `let_chains` has been stable since `1.88.0` and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/enums.rs:18:22
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .extract_if(|a| {
[INFO] [stdout]    |                      ^
[INFO] [stdout] 19 |             a.path()
[INFO] [stdout]    |             - type must be known at this point
[INFO] [stdout]    |
[INFO] [stdout] help: consider giving this closure parameter an explicit type
[INFO] [stdout]    |
[INFO] [stdout] 18 |         .extract_if(|a: /* Type */| {
[INFO] [stdout]    |                       ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/io-plugin-macros-0.6.0/src/enums.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 |           .extract_if(|a| {
[INFO] [stdout]    |  __________^^^^^^^^^^-
[INFO] [stdout] 19 | |             a.path()
[INFO] [stdout] 20 | |                 .get_ident()
[INFO] [stdout] 21 | |                 .is_some_and(|ident| ident.to_string() == id)
[INFO] [stdout] 22 | |         })
[INFO] [stdout]    | |__________- argument #2 is missing
[INFO] [stdout]    |
[INFO] [stdout] note: method defined here
[INFO] [stdout]   --> /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/vec/mod.rs:3970:12
[INFO] [stdout] help: provide the argument
[INFO] [stdout]    |
[INFO] [stdout] 22 |         .extract_if(|a| {
[INFO] [stdout] ...
[INFO] [stdout] 25 |                 .is_some_and(|ident| ident.to_string() == id)
[INFO] [stdout] 26 ~         }, /* filter */)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0282, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `io-plugin-macros` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9d86537469fa1a268f184ab6ee779a1f32cded2ece57d4fd1bdc193383d066e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d86537469fa1a268f184ab6ee779a1f32cded2ece57d4fd1bdc193383d066e0", kill_on_drop: false }`
[INFO] [stdout] 9d86537469fa1a268f184ab6ee779a1f32cded2ece57d4fd1bdc193383d066e0
