[INFO] cloning repository https://github.com/Artentus/QuartzHDL
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Artentus/QuartzHDL" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtentus%2FQuartzHDL", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtentus%2FQuartzHDL'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3798a25fe0087b220b8a57681611d892c5facec8
[INFO] testing Artentus/QuartzHDL against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtentus%2FQuartzHDL" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Artentus/QuartzHDL
[INFO] finished tweaking git repo https://github.com/Artentus/QuartzHDL
[INFO] tweaked toml for git repo https://github.com/Artentus/QuartzHDL written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Artentus/QuartzHDL on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Artentus/QuartzHDL 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dba4b164a8de84b280057efeac1e32db2afc2bbf4e19571e4afb555a9513c8f
[INFO] running `Command { std: "docker" "start" "-a" "7dba4b164a8de84b280057efeac1e32db2afc2bbf4e19571e4afb555a9513c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dba4b164a8de84b280057efeac1e32db2afc2bbf4e19571e4afb555a9513c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dba4b164a8de84b280057efeac1e32db2afc2bbf4e19571e4afb555a9513c8f", kill_on_drop: false }`
[INFO] [stdout] 7dba4b164a8de84b280057efeac1e32db2afc2bbf4e19571e4afb555a9513c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee30dce978206ae9cd19c6a550e553a0111799d42da3de4db977bc2611ac6eac
[INFO] running `Command { std: "docker" "start" "-a" "ee30dce978206ae9cd19c6a550e553a0111799d42da3de4db977bc2611ac6eac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling toml_datetime v0.6.6
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.0
[INFO] [stderr]    Compiling anstyle v1.0.7
[INFO] [stderr]    Compiling colorchoice v1.0.1
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling phf_shared v0.11.2
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling xxhash-rust v0.8.11
[INFO] [stderr]    Compiling linked-hash-map v0.5.6
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling topological-sort v0.2.2
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling phf v0.11.2
[INFO] [stderr]    Compiling phf_generator v0.11.2
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling clap_builder v4.5.9
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling langbox_procmacro v0.3.0
[INFO] [stderr]    Compiling clap_derive v4.5.8
[INFO] [stderr]    Compiling phf_macros v0.11.2
[INFO] [stderr]    Compiling langbox v0.6.0
[INFO] [stderr]    Compiling clap v4.5.9
[INFO] [stderr]    Compiling quartz_hdl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lowering.rs:364:32
[INFO] [stdout]     |
[INFO] [stdout] 364 | ...                   if let Some(ident) = p.as_ident()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lowering.rs:953:32
[INFO] [stdout]     |
[INFO] [stdout] 953 | ...                   if let Some(ident) = p.as_ident()
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/range_collection.rs:242:35
[INFO] [stdout]     |
[INFO] [stdout] 242 |                         } else if let Some(next_range) = self.ranges.get_mut(index)
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/type_resolve.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 |     if let Some(condition) = condition
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/type_resolve.rs:150:12
[INFO] [stdout]     |
[INFO] [stdout] 150 |         && let Some(body) = body
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/type_resolve.rs:409:8
[INFO] [stdout]     |
[INFO] [stdout] 409 |     if let Some(target) = assign.target().path().as_ident()
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/typecheck.rs:824:24
[INFO] [stdout]     |
[INFO] [stdout] 824 |                     if let &ResolvedType::BuiltinBits { width } = index_ty
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/typecheck.rs:1384:12
[INFO] [stdout]      |
[INFO] [stdout] 1384 |         if let Some(cond) = cond
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/typecheck.rs:1385:16
[INFO] [stdout]      |
[INFO] [stdout] 1385 |             && let Some(body) = body
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/typecheck.rs:1597:20
[INFO] [stdout]      |
[INFO] [stdout] 1597 |                 if let Some(ident) = p.as_ident()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/typecheck.rs:2168:12
[INFO] [stdout]      |
[INFO] [stdout] 2168 |         if let Some(cond) = cond
[INFO] [stdout]      |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/typecheck.rs:2169:16
[INFO] [stdout]      |
[INFO] [stdout] 2169 |             && let Some(body) = body
[INFO] [stdout]      |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/parser.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 71 |           if let Some(&Token {
[INFO] [stdout]    |  ____________^
[INFO] [stdout] 72 | |             kind: QuartzToken::Punct(found_punct),
[INFO] [stdout] 73 | |             span,
[INFO] [stdout] 74 | |         }) = input.peek()
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parser.rs:120:12
[INFO] [stdout]     |
[INFO] [stdout] 120 |           if let Some(&Token {
[INFO] [stdout]     |  ____________^
[INFO] [stdout] 121 | |             kind: QuartzToken::Ident(ref name),
[INFO] [stdout] 122 | |             span,
[INFO] [stdout] 123 | |         }) = input.peek()
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parser.rs:640:23
[INFO] [stdout]     |
[INFO] [stdout] 640 |             } else if let Some(Statement::Expr(_)) = statements.last() && trailing_semis.is_empty() {
[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/main.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(let_chains)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `maybe_uninit_uninit_array`
[INFO] [stdout]  --> src/main.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(maybe_uninit_uninit_array)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0635]: unknown feature `const_maybe_uninit_uninit_array`
[INFO] [stdout]  --> src/main.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(const_maybe_uninit_uninit_array)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `uninit_array` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/small_vec.rs:16:31
[INFO] [stdout]    |
[INFO] [stdout] 16 |             mem: MaybeUninit::uninit_array(),
[INFO] [stdout]    |                               ^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is an associated function `uninit` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 16 -             mem: MaybeUninit::uninit_array(),
[INFO] [stdout] 16 +             mem: MaybeUninit::uninit(),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_ref`: replaced by inherent assume_init_ref method; will eventually be removed
[INFO] [stdout]   --> src/small_vec.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 |         unsafe { MaybeUninit::slice_assume_init_ref(self.as_uninit_slice()) }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::mem::MaybeUninit::<T>::slice_assume_init_mut`: replaced by inherent assume_init_mut method; will eventually be removed
[INFO] [stdout]   --> src/small_vec.rs:76:31
[INFO] [stdout]    |
[INFO] [stdout] 76 |         unsafe { MaybeUninit::slice_assume_init_mut(self.as_uninit_mut_slice()) }
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no function or associated item named `uninit_array` found for union `MaybeUninit` in the current scope
[INFO] [stdout]   --> src/small_vec.rs:92:36
[INFO] [stdout]    |
[INFO] [stdout] 92 |         let mut mem = MaybeUninit::uninit_array();
[INFO] [stdout]    |                                    ^^^^^^^^^^^^ function or associated item not found in `MaybeUninit<_>`
[INFO] [stdout]    |
[INFO] [stdout] note: if you're trying to build a new `MaybeUninit<_>` consider using one of the following associated functions:
[INFO] [stdout]       MaybeUninit::<T>::new
[INFO] [stdout]       MaybeUninit::<T>::uninit
[INFO] [stdout]       MaybeUninit::<T>::zeroed
[INFO] [stdout]   --> /rustc/733b47ea4b1b86216f14ef56e49440c33933f230/library/core/src/mem/maybe_uninit.rs:307:5
[INFO] [stdout] help: there is an associated function `uninit` with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 92 -         let mut mem = MaybeUninit::uninit_array();
[INFO] [stdout] 92 +         let mut mem = MaybeUninit::uninit();
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0599, E0635.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `quartz_hdl` (bin "quartz") due to 19 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ee30dce978206ae9cd19c6a550e553a0111799d42da3de4db977bc2611ac6eac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee30dce978206ae9cd19c6a550e553a0111799d42da3de4db977bc2611ac6eac", kill_on_drop: false }`
[INFO] [stdout] ee30dce978206ae9cd19c6a550e553a0111799d42da3de4db977bc2611ac6eac
