[INFO] fetching crate lineup 1.0.0...
[INFO] testing lineup-1.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate lineup 1.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate lineup 1.0.0
[INFO] finished tweaking crates.io crate lineup 1.0.0
[INFO] tweaked toml for crates.io crate lineup 1.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate lineup 1.0.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate lineup 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.3.0
[INFO] [stderr]   Downloaded darling v0.14.2
[INFO] [stderr]   Downloaded derive-new v0.5.9
[INFO] [stderr]   Downloaded os_str_bytes v6.4.0
[INFO] [stderr]   Downloaded once_cell v1.16.0
[INFO] [stderr]   Downloaded darling_macro v0.14.2
[INFO] [stderr]   Downloaded clap_derive v4.0.21
[INFO] [stderr]   Downloaded clap v4.0.22
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] [stderr]   Downloaded darling_core v0.14.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e84dc1812ee3a2c9e979ceb27745f616f2e678ff35c16a42bad0d1cafdd08b13
[INFO] running `Command { std: "docker" "start" "-a" "e84dc1812ee3a2c9e979ceb27745f616f2e678ff35c16a42bad0d1cafdd08b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e84dc1812ee3a2c9e979ceb27745f616f2e678ff35c16a42bad0d1cafdd08b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e84dc1812ee3a2c9e979ceb27745f616f2e678ff35c16a42bad0d1cafdd08b13", kill_on_drop: false }`
[INFO] [stdout] e84dc1812ee3a2c9e979ceb27745f616f2e678ff35c16a42bad0d1cafdd08b13
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0052a98a906191b90fc65b6a4d0191a32fd43952d65b10eb0571669eb87b88f7
[INFO] running `Command { std: "docker" "start" "-a" "0052a98a906191b90fc65b6a4d0191a32fd43952d65b10eb0571669eb87b88f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling os_str_bytes v6.4.0
[INFO] [stderr]    Compiling once_cell v1.16.0
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling darling_core v0.14.2
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling darling_macro v0.14.2
[INFO] [stderr]    Compiling darling v0.14.2
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling clap v4.0.22
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]    Compiling derive_builder v0.11.2
[INFO] [stderr]    Compiling lineup v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:322:12
[INFO] [stdout]     |
[INFO] [stdout] 322 |         if let Some(span) = self.fmt.span.as_ref() && input_chars < span.span {
[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:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[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[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(type_alias_impl_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unconstrained opaque type
[INFO] [stdout]    --> src/lib.rs:149:29
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub type ItemIterator<'i> = impl Iterator<Item = &'i str> + std::fmt::Debug;
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ItemIterator` must be used in combination with a concrete type within the same crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:186:5
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub type ItemIterator<'i> = impl Iterator<Item = &'i str> + std::fmt::Debug;
[INFO] [stdout]     |                             ----------------------------------------------- the expected opaque type
[INFO] [stdout] ...
[INFO] [stdout] 185 | pub fn read(input: &str, format: InFormat) -> ItemIterator {
[INFO] [stdout]     |                                               ------------ expected `ItemIterator<'_>` because of return type
[INFO] [stdout] 186 |     ItemReader::new(input, format)
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found `ItemReader<'_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected opaque type `ItemIterator<'_>`
[INFO] [stdout]                     found struct `ItemReader<'_>`
[INFO] [stdout] note: this item must have a `#[define_opaque(ItemIterator)]` attribute to be able to define hidden types
[INFO] [stdout]    --> src/lib.rs:185:8
[INFO] [stdout]     |
[INFO] [stdout] 185 | pub fn read(input: &str, format: InFormat) -> ItemIterator {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lineup` (lib) due to 5 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "0052a98a906191b90fc65b6a4d0191a32fd43952d65b10eb0571669eb87b88f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0052a98a906191b90fc65b6a4d0191a32fd43952d65b10eb0571669eb87b88f7", kill_on_drop: false }`
[INFO] [stdout] 0052a98a906191b90fc65b6a4d0191a32fd43952d65b10eb0571669eb87b88f7