[INFO] cloning repository https://github.com/HenrySwanson/rust-lox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HenrySwanson/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenrySwanson%2Frust-lox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenrySwanson%2Frust-lox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 77022742696a34a4c4c19b86b14b76d67a3ba6b9
[INFO] checking HenrySwanson/rust-lox/77022742696a34a4c4c19b86b14b76d67a3ba6b9 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHenrySwanson%2Frust-lox" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HenrySwanson/rust-lox on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HenrySwanson/rust-lox
[INFO] finished tweaking git repo https://github.com/HenrySwanson/rust-lox
[INFO] tweaked toml for git repo https://github.com/HenrySwanson/rust-lox written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/HenrySwanson/rust-lox 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0815dff712e299438c515ee1fa15242f23df3d0abb5004c5f123ff2d67214c53
[INFO] running `Command { std: "docker" "start" "-a" "0815dff712e299438c515ee1fa15242f23df3d0abb5004c5f123ff2d67214c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0815dff712e299438c515ee1fa15242f23df3d0abb5004c5f123ff2d67214c53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0815dff712e299438c515ee1fa15242f23df3d0abb5004c5f123ff2d67214c53", kill_on_drop: false }`
[INFO] [stdout] 0815dff712e299438c515ee1fa15242f23df3d0abb5004c5f123ff2d67214c53
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ddb5068eaf5f02413e4576ade00ff06a6013ac6f69e3ea89113f5fd349bc8bd3
[INFO] running `Command { std: "docker" "start" "-a" "ddb5068eaf5f02413e4576ade00ff06a6013ac6f69e3ea89113f5fd349bc8bd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde v1.0.135
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking more-asserts v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling test-generator v0.3.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling clap_derive v3.0.6
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]     Checking clap v3.0.10
[INFO] [stderr]    Compiling num_enum_derive v0.5.6
[INFO] [stderr]     Checking num_enum v0.5.6
[INFO] [stderr]     Checking rust-lox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this value of type `RefMut<'_, EnvInterior>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/treewalk/environment.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn set(&self, name: &str, value: Object) -> RuntimeResult<()> {
[INFO] [stdout]    |                                   ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 47 |         match self.ptr.borrow_mut().values.get_mut(name) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `RefMut<'_, EnvInterior>` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/treewalk/environment.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn set(&self, name: &str, value: Object) -> RuntimeResult<()> {
[INFO] [stdout]    |                                   ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] 47 |         match self.ptr.borrow_mut().values.get_mut(name) {
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]    = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `(Object, Object)` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/treewalk/object.rs:94:11
[INFO] [stdout]    |
[INFO] [stdout] 89 |     closure: F,
[INFO] [stdout]    |     ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 94 |     match (lhs, rhs) {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this value of type `(Object, Object)` has significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]   --> src/treewalk/object.rs:94:11
[INFO] [stdout]    |
[INFO] [stdout] 89 |     closure: F,
[INFO] [stdout]    |     ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024
[INFO] [stdout] ...
[INFO] [stdout] 94 |     match (lhs, rhs) {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this changes meaning in Rust 2024
[INFO] [stdout]    = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bytecode/vm/native.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NativeFunctionData {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 15 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]  --> src/frontend/parser/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     source: &'a str,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]   --> src/bytecode/vm/native.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct NativeFunctionData {
[INFO] [stdout]    |            ------------------ field in this struct
[INFO] [stdout] 15 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `iter` is never used
[INFO] [stdout]    --> src/frontend/lexer/lexer.rs:199:12
[INFO] [stdout]     |
[INFO] [stdout] 18  | impl<'src> Lexer<'src> {
[INFO] [stdout]     | ---------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 199 |     pub fn iter(self) -> LexerIterator<'src> {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `source` is never read
[INFO] [stdout]  --> src/frontend/parser/parser.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Parser<'a> {
[INFO] [stdout]   |            ------ field in this struct
[INFO] [stdout] 9 |     source: &'a str,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-lox` (lib) due to 3 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `rust-lox` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "ddb5068eaf5f02413e4576ade00ff06a6013ac6f69e3ea89113f5fd349bc8bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddb5068eaf5f02413e4576ade00ff06a6013ac6f69e3ea89113f5fd349bc8bd3", kill_on_drop: false }`
[INFO] [stdout] ddb5068eaf5f02413e4576ade00ff06a6013ac6f69e3ea89113f5fd349bc8bd3