[INFO] cloning repository https://github.com/saeschdivara/lua-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saeschdivara/lua-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaeschdivara%2Flua-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaeschdivara%2Flua-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b3412f2ea66b2e6a67d6ef0c446c0ab731ec463f
[INFO] testing saeschdivara/lua-engine against 1.90.0 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaeschdivara%2Flua-engine" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/saeschdivara/lua-engine
[INFO] finished tweaking git repo https://github.com/saeschdivara/lua-engine
[INFO] tweaked toml for git repo https://github.com/saeschdivara/lua-engine written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/saeschdivara/lua-engine on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/saeschdivara/lua-engine 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dc8ec988ef82eb3e6440a3cb2e405c847f3beccb8867765abb391db8f01a3fa
[INFO] running `Command { std: "docker" "start" "-a" "2dc8ec988ef82eb3e6440a3cb2e405c847f3beccb8867765abb391db8f01a3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dc8ec988ef82eb3e6440a3cb2e405c847f3beccb8867765abb391db8f01a3fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dc8ec988ef82eb3e6440a3cb2e405c847f3beccb8867765abb391db8f01a3fa", kill_on_drop: false }`
[INFO] [stdout] 2dc8ec988ef82eb3e6440a3cb2e405c847f3beccb8867765abb391db8f01a3fa
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4ee0c0f0e99a77e85e000397c54de2081e3fc6016b60808d4affe63851da756
[INFO] running `Command { std: "docker" "start" "-a" "f4ee0c0f0e99a77e85e000397c54de2081e3fc6016b60808d4affe63851da756", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.49
[INFO] [stderr]    Compiling lua_engine_macros v0.1.0 (/opt/rustwide/workdir/lua_engine_macros)
[INFO] [stderr]    Compiling lua_engine v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:189:24
[INFO] [stdout]     |
[INFO] [stdout] 189 |                     if let Some(other_character) = self.peek_char() && other_character == '=' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:198:24
[INFO] [stdout]     |
[INFO] [stdout] 198 |                     if let Some(other_character) = self.peek_char() && other_character == '=' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:202:29
[INFO] [stdout]     |
[INFO] [stdout] 202 |                     else if let Some(other_character) = self.peek_char() && other_character == '<' {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:210:24
[INFO] [stdout]     |
[INFO] [stdout] 210 |                     if let Some(other_character) = self.peek_char() && other_character == '=' {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:214:29
[INFO] [stdout]     |
[INFO] [stdout] 214 |                     else if let Some(other_character) = self.peek_char() && other_character == '>' {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:224:35
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   while let Some(ch) = self.ch && ch != '\n' {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:277:15
[INFO] [stdout]     |
[INFO] [stdout] 277 |         while let Some(ch) = self.ch && ch.is_whitespace() {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/parsing/lexer.rs:324:16
[INFO] [stdout]     |
[INFO] [stdout] 324 |             if let Some(next_char) = self.peek_char() && ch == '0' && next_char == 'x' {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/evaluation/typing.rs:95:16
[INFO] [stdout]    |
[INFO] [stdout] 95 |             if let Value::Boolean(l) = self && let Value::Boolean(r) = val{
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]   --> src/evaluation/typing.rs:95:48
[INFO] [stdout]    |
[INFO] [stdout] 95 |             if let Value::Boolean(l) = self && let Value::Boolean(r) = val{
[INFO] [stdout]    |                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/evaluation/typing.rs:100:16
[INFO] [stdout]     |
[INFO] [stdout] 100 |             if let Value::Number(NumberType::Int(l)) = self && let Value::Number(NumberType::Int(r)) = val{
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/evaluation/typing.rs:100:64
[INFO] [stdout]     |
[INFO] [stdout] 100 |             if let Value::Number(NumberType::Int(l)) = self && let Value::Number(NumberType::Int(r)) = val{
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/evaluation/typing.rs:114:16
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if let Value::Number(NumberType::Int(l)) = self && let Value::Number(NumberType::Int(r)) = val{
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/evaluation/typing.rs:114:64
[INFO] [stdout]     |
[INFO] [stdout] 114 |             if let Value::Number(NumberType::Int(l)) = self && let Value::Number(NumberType::Int(r)) = val{
[INFO] [stdout]     |                                                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/evaluation/typing.rs:130:16
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if let Value::Number(NumberType::Int(l)) = self && let Value::Number(NumberType::Int(r)) = val{
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: let chains are only allowed in Rust 2024 or later
[INFO] [stdout]    --> src/evaluation/typing.rs:130:64
[INFO] [stdout]     |
[INFO] [stdout] 130 |             if let Value::Number(NumberType::Int(l)) = self && let Value::Number(NumberType::Int(r)) = val{
[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(box_patterns)]
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lua_engine` (lib) due to 18 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f4ee0c0f0e99a77e85e000397c54de2081e3fc6016b60808d4affe63851da756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4ee0c0f0e99a77e85e000397c54de2081e3fc6016b60808d4affe63851da756", kill_on_drop: false }`
[INFO] [stdout] f4ee0c0f0e99a77e85e000397c54de2081e3fc6016b60808d4affe63851da756