[INFO] fetching crate rexpr 1.0.7... [INFO] checking rexpr-1.0.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate rexpr 1.0.7 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate rexpr 1.0.7 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate rexpr 1.0.7 [INFO] finished tweaking crates.io crate rexpr 1.0.7 [INFO] tweaked toml for crates.io crate rexpr 1.0.7 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 16 packages to latest compatible versions [INFO] [stderr] Adding dashmap v4.0.2 (latest: v6.0.1) [INFO] [stderr] Adding hermit-abi v0.3.9 (latest: v0.4.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38d9f896eade1e0d711623d5483c50bacd0c242ebc15cd3d687c658e3cb10927 [INFO] running `Command { std: "docker" "start" "-a" "38d9f896eade1e0d711623d5483c50bacd0c242ebc15cd3d687c658e3cb10927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38d9f896eade1e0d711623d5483c50bacd0c242ebc15cd3d687c658e3cb10927", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38d9f896eade1e0d711623d5483c50bacd0c242ebc15cd3d687c658e3cb10927", kill_on_drop: false }` [INFO] [stdout] 38d9f896eade1e0d711623d5483c50bacd0c242ebc15cd3d687c658e3cb10927 [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 -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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea5b0fe7c71885ecd55191cea120a272af55f24f4e84bf9d6bc29d00e1356fbf [INFO] running `Command { std: "docker" "start" "-a" "ea5b0fe7c71885ecd55191cea120a272af55f24f4e84bf9d6bc29d00e1356fbf", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.37 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking dashmap v4.0.2 [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling serde_derive v1.0.209 [INFO] [stderr] Checking serde v1.0.209 [INFO] [stderr] Checking serde_json v1.0.127 [INFO] [stderr] Checking rexpr v1.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::cache::RWLockMapCache` [INFO] [stdout] --> src/runtime.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::cache::RWLockMapCache; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/lib.rs:15:1 [INFO] [stdout] | [INFO] [stdout] 15 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::cache::RWLockMapCache` [INFO] [stdout] --> src/runtime.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::cache::RWLockMapCache; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `RWLockMapCache` is never constructed [INFO] [stdout] --> src/cache.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct RWLockMapCache { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RWLockMapCache` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `try_read` and `try_write` are never used [INFO] [stdout] --> src/cache.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl RWLockMapCache { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] 12 | pub fn try_read( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn try_write( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast.rs:160:19 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn new_binary(arg_lef: Node, arg_right: Node, token: &str) -> Self { [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 160 | left: Option::Some(Box::new(arg_lef)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast.rs:161:20 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn new_binary(arg_lef: Node, arg_right: Node, token: &str) -> Self { [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 161 | right: Option::Some(Box::new(arg_right)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rexpr` (lib) due to 3 previous errors; 4 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `RWLockMapCache` is never constructed [INFO] [stdout] --> src/cache.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct RWLockMapCache { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `RWLockMapCache` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `try_read` and `try_write` are never used [INFO] [stdout] --> src/cache.rs:12:12 [INFO] [stdout] | [INFO] [stdout] 11 | impl RWLockMapCache { [INFO] [stdout] | ------------------- methods in this implementation [INFO] [stdout] 12 | pub fn try_read( [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | pub fn try_write( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast.rs:160:19 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn new_binary(arg_lef: Node, arg_right: Node, token: &str) -> Self { [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 160 | left: Option::Some(Box::new(arg_lef)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/ast.rs:161:20 [INFO] [stdout] | [INFO] [stdout] 157 | pub fn new_binary(arg_lef: Node, arg_right: Node, token: &str) -> Self { [INFO] [stdout] | ------------- --------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 161 | right: Option::Some(Box::new(arg_right)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [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 `rexpr` (lib test) due to 3 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ea5b0fe7c71885ecd55191cea120a272af55f24f4e84bf9d6bc29d00e1356fbf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea5b0fe7c71885ecd55191cea120a272af55f24f4e84bf9d6bc29d00e1356fbf", kill_on_drop: false }` [INFO] [stdout] ea5b0fe7c71885ecd55191cea120a272af55f24f4e84bf9d6bc29d00e1356fbf