[INFO] fetching crate badlang-parser 0.1.2...
[INFO] testing badlang-parser-0.1.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate badlang-parser 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate badlang-parser 0.1.2
[INFO] finished tweaking crates.io crate badlang-parser 0.1.2
[INFO] tweaked toml for crates.io crate badlang-parser 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate badlang-parser 0.1.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate badlang-parser 0.1.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5e14bb18ed06bda63f8c022a758c65df893e740aee471dcc1a96578f9fe7fac
[INFO] running `Command { std: "docker" "start" "-a" "b5e14bb18ed06bda63f8c022a758c65df893e740aee471dcc1a96578f9fe7fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5e14bb18ed06bda63f8c022a758c65df893e740aee471dcc1a96578f9fe7fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5e14bb18ed06bda63f8c022a758c65df893e740aee471dcc1a96578f9fe7fac", kill_on_drop: false }`
[INFO] [stdout] b5e14bb18ed06bda63f8c022a758c65df893e740aee471dcc1a96578f9fe7fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcb9022478a3de745c03e2d2fac16ed41aac3fb56f17962f2dba39591c854e0e
[INFO] running `Command { std: "docker" "start" "-a" "fcb9022478a3de745c03e2d2fac16ed41aac3fb56f17962f2dba39591c854e0e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling semver v1.0.24
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling anyhow v1.0.95
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling indexmap v2.7.0
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling strum v0.26.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling savefile v0.18.5
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling syn v2.0.95
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]    Compiling savefile-derive v0.18.5
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]    Compiling badlang-parser v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:796:28
[INFO] [stdout]     |
[INFO] [stdout] 796 |                         if let Some(elif_index) = elif_statements.remove(if_index)
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:797:32
[INFO] [stdout]     |
[INFO] [stdout] 797 | ...                   && let Some(Token::Elif(jump_addr)) = tokens.get_mut(elif_index)
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:928:12
[INFO] [stdout]     |
[INFO] [stdout] 928 |         if let Some(limit) = time_limit
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:939:20
[INFO] [stdout]     |
[INFO] [stdout] 939 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:940:24
[INFO] [stdout]     |
[INFO] [stdout] 940 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:948:20
[INFO] [stdout]     |
[INFO] [stdout] 948 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:949:24
[INFO] [stdout]     |
[INFO] [stdout] 949 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:957:20
[INFO] [stdout]     |
[INFO] [stdout] 957 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:958:24
[INFO] [stdout]     |
[INFO] [stdout] 958 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:966:20
[INFO] [stdout]     |
[INFO] [stdout] 966 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:967:24
[INFO] [stdout]     |
[INFO] [stdout] 967 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:978:20
[INFO] [stdout]     |
[INFO] [stdout] 978 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:979:24
[INFO] [stdout]     |
[INFO] [stdout] 979 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:987:20
[INFO] [stdout]     |
[INFO] [stdout] 987 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:988:24
[INFO] [stdout]     |
[INFO] [stdout] 988 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:996:20
[INFO] [stdout]     |
[INFO] [stdout] 996 |                 if let Some(a) = stack.pop()
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/lib.rs:997:24
[INFO] [stdout]     |
[INFO] [stdout] 997 |                     && let Some(b) = stack.pop()
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1005:20
[INFO] [stdout]      |
[INFO] [stdout] 1005 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1006:24
[INFO] [stdout]      |
[INFO] [stdout] 1006 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1014:20
[INFO] [stdout]      |
[INFO] [stdout] 1014 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1015:24
[INFO] [stdout]      |
[INFO] [stdout] 1015 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1023:20
[INFO] [stdout]      |
[INFO] [stdout] 1023 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1024:24
[INFO] [stdout]      |
[INFO] [stdout] 1024 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1032:20
[INFO] [stdout]      |
[INFO] [stdout] 1032 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1033:24
[INFO] [stdout]      |
[INFO] [stdout] 1033 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1041:20
[INFO] [stdout]      |
[INFO] [stdout] 1041 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1042:24
[INFO] [stdout]      |
[INFO] [stdout] 1042 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1050:20
[INFO] [stdout]      |
[INFO] [stdout] 1050 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1051:24
[INFO] [stdout]      |
[INFO] [stdout] 1051 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1059:20
[INFO] [stdout]      |
[INFO] [stdout] 1059 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1060:24
[INFO] [stdout]      |
[INFO] [stdout] 1060 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1068:20
[INFO] [stdout]      |
[INFO] [stdout] 1068 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1069:24
[INFO] [stdout]      |
[INFO] [stdout] 1069 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1077:20
[INFO] [stdout]      |
[INFO] [stdout] 1077 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1078:24
[INFO] [stdout]      |
[INFO] [stdout] 1078 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1086:20
[INFO] [stdout]      |
[INFO] [stdout] 1086 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1087:24
[INFO] [stdout]      |
[INFO] [stdout] 1087 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1095:20
[INFO] [stdout]      |
[INFO] [stdout] 1095 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1096:24
[INFO] [stdout]      |
[INFO] [stdout] 1096 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1104:20
[INFO] [stdout]      |
[INFO] [stdout] 1104 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1105:24
[INFO] [stdout]      |
[INFO] [stdout] 1105 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1113:20
[INFO] [stdout]      |
[INFO] [stdout] 1113 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1114:24
[INFO] [stdout]      |
[INFO] [stdout] 1114 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1122:20
[INFO] [stdout]      |
[INFO] [stdout] 1122 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1123:24
[INFO] [stdout]      |
[INFO] [stdout] 1123 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1131:20
[INFO] [stdout]      |
[INFO] [stdout] 1131 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1132:24
[INFO] [stdout]      |
[INFO] [stdout] 1132 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1147:20
[INFO] [stdout]      |
[INFO] [stdout] 1147 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1148:24
[INFO] [stdout]      |
[INFO] [stdout] 1148 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1169:20
[INFO] [stdout]      |
[INFO] [stdout] 1169 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1170:24
[INFO] [stdout]      |
[INFO] [stdout] 1170 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1179:20
[INFO] [stdout]      |
[INFO] [stdout] 1179 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1180:24
[INFO] [stdout]      |
[INFO] [stdout] 1180 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1190:20
[INFO] [stdout]      |
[INFO] [stdout] 1190 |                 if let Some(a) = stack.pop()
[INFO] [stdout]      |                    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1191:24
[INFO] [stdout]      |
[INFO] [stdout] 1191 |                     && let Some(b) = stack.pop()
[INFO] [stdout]      |                        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]     --> src/lib.rs:1192:24
[INFO] [stdout]      |
[INFO] [stdout] 1192 |                     && let Some(c) = stack.pop()
[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] [stderr] error: could not compile `badlang-parser` (lib) due to 56 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "fcb9022478a3de745c03e2d2fac16ed41aac3fb56f17962f2dba39591c854e0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb9022478a3de745c03e2d2fac16ed41aac3fb56f17962f2dba39591c854e0e", kill_on_drop: false }`
[INFO] [stdout] fcb9022478a3de745c03e2d2fac16ed41aac3fb56f17962f2dba39591c854e0e
