[INFO] cloning repository https://github.com/dendro-lang/dendro [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dendro-lang/dendro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdendro-lang%2Fdendro", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdendro-lang%2Fdendro'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] bc29fa444cfca7516cfb86e0318106780a888049 [INFO] checking dendro-lang/dendro against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdendro-lang%2Fdendro" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/dendro-lang/dendro [INFO] finished tweaking git repo https://github.com/dendro-lang/dendro [INFO] tweaked toml for git repo https://github.com/dendro-lang/dendro written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/dendro-lang/dendro on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/dendro-lang/dendro 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 574bdd0545b39bd0236cb696b07a7538bc8909d15d8b248acd8aeb75d6a43fa8 [INFO] running `Command { std: "docker" "start" "-a" "574bdd0545b39bd0236cb696b07a7538bc8909d15d8b248acd8aeb75d6a43fa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "574bdd0545b39bd0236cb696b07a7538bc8909d15d8b248acd8aeb75d6a43fa8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "574bdd0545b39bd0236cb696b07a7538bc8909d15d8b248acd8aeb75d6a43fa8", kill_on_drop: false }` [INFO] [stdout] 574bdd0545b39bd0236cb696b07a7538bc8909d15d8b248acd8aeb75d6a43fa8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 43a1c915f016ddfa13897cafe6601d687df3ef618234a5e5b0e43265a62b06a7 [INFO] running `Command { std: "docker" "start" "-a" "43a1c915f016ddfa13897cafe6601d687df3ef618234a5e5b0e43265a62b06a7", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling proc-macro2 v1.0.81 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling ppv-lite86 v0.2.17 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling phf_shared v0.11.2 [INFO] [stderr] Checking ucd-trie v0.1.6 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Checking cityhasher v0.1.0 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Checking allocator-api2 v0.2.18 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Compiling regex-syntax v0.8.3 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling getrandom v0.2.14 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling syn v2.0.60 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling equivalent v1.0.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling parking_lot v0.12.1 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Checking internment v0.8.2 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling either v1.11.0 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling strpool v1.1.1 [INFO] [stderr] Compiling phf_generator v0.11.2 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling petgraph v0.6.4 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Compiling dendro-lexer v0.1.0 (/opt/rustwide/workdir/boot/lexer) [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Checking lalrpop-util v0.20.2 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling phf_macros v0.11.2 [INFO] [stderr] Checking phf v0.11.2 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling pest v2.7.9 [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Checking dendro-span v0.1.0 (/opt/rustwide/workdir/boot/span) [INFO] [stderr] Checking dendro-error v0.1.0 (/opt/rustwide/workdir/boot/error) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:120:21 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn new_diag(&self, level: Level) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 120 | pub fn new_diag(&self, level: Level) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:135:18 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn error(&self, code: Option, is_fatal: bool) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ the lifetime is elided here ----------------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 135 | pub fn error(&self, code: Option, is_fatal: bool) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:145:20 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn warning(&self) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 145 | pub fn warning(&self) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn info(&self) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 149 | pub fn info(&self) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:120:21 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn new_diag(&self, level: Level) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 120 | pub fn new_diag(&self, level: Level) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:135:18 [INFO] [stdout] | [INFO] [stdout] 135 | pub fn error(&self, code: Option, is_fatal: bool) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ the lifetime is elided here ----------------- the same lifetime is hidden here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 135 | pub fn error(&self, code: Option, is_fatal: bool) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:145:20 [INFO] [stdout] | [INFO] [stdout] 145 | pub fn warning(&self) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 145 | pub fn warning(&self) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> boot/error/src/lib.rs:149:17 [INFO] [stdout] | [INFO] [stdout] 149 | pub fn info(&self) -> DiagnosticBuilder { [INFO] [stdout] | ^^^^^ ----------------- the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 149 | pub fn info(&self) -> DiagnosticBuilder<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking dendro-ast v0.1.0 (/opt/rustwide/workdir/boot/ast) [INFO] [stderr] Compiling pest_meta v2.7.9 [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/ast.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | if let AttrKind::Normal(expr, _) = &this[index].kind [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/ast.rs:81:20 [INFO] [stdout] | [INFO] [stdout] 81 | && let expr::ExprKind::Ident(i) = expr.kind [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | if let Some(TokenStream(ref mut last_stream_lrc)) = self.0.last_mut() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:104:16 [INFO] [stdout] | [INFO] [stdout] 104 | && let Some(TokenTree::Token(last_token, Spacing::Joint)) = last_stream_lrc.last() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:107:16 [INFO] [stdout] | [INFO] [stdout] 107 | && let TokenStream(ref mut stream_lrc) = stream [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:108:16 [INFO] [stdout] | [INFO] [stdout] 108 | && let Some(TokenTree::Token(token, spacing)) = stream_lrc.first() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:110:16 [INFO] [stdout] | [INFO] [stdout] 110 | && let Some(glued_tok) = last_token.glue(token) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/ast.rs:80:16 [INFO] [stdout] | [INFO] [stdout] 80 | if let AttrKind::Normal(expr, _) = &this[index].kind [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/ast.rs:81:20 [INFO] [stdout] | [INFO] [stdout] 81 | && let expr::ExprKind::Ident(i) = expr.kind [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:103:12 [INFO] [stdout] | [INFO] [stdout] 103 | if let Some(TokenStream(ref mut last_stream_lrc)) = self.0.last_mut() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:104:16 [INFO] [stdout] | [INFO] [stdout] 104 | && let Some(TokenTree::Token(last_token, Spacing::Joint)) = last_stream_lrc.last() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:107:16 [INFO] [stdout] | [INFO] [stdout] 107 | && let TokenStream(ref mut stream_lrc) = stream [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:108:16 [INFO] [stdout] | [INFO] [stdout] 108 | && let Some(TokenTree::Token(token, spacing)) = stream_lrc.first() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: let chains are only allowed in Rust 2024 or later [INFO] [stdout] --> boot/ast/src/token_stream.rs:110:16 [INFO] [stdout] | [INFO] [stdout] 110 | && let Some(glued_tok) = last_token.glue(token) [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] --> boot/ast/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] warning: the feature `let_chains` has been stable since 1.88.0 and no longer requires an attribute to enable [INFO] [stdout] --> boot/ast/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] [stderr] error: could not compile `dendro-ast` (lib test) due to 7 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `dendro-ast` (lib) due to 7 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "43a1c915f016ddfa13897cafe6601d687df3ef618234a5e5b0e43265a62b06a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "43a1c915f016ddfa13897cafe6601d687df3ef618234a5e5b0e43265a62b06a7", kill_on_drop: false }` [INFO] [stdout] 43a1c915f016ddfa13897cafe6601d687df3ef618234a5e5b0e43265a62b06a7