[INFO] fetching crate easy-ext 1.0.2... [INFO] building easy-ext-1.0.2 against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523 [INFO] extracting crate easy-ext 1.0.2 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate easy-ext 1.0.2 on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate easy-ext 1.0.2 [INFO] finished tweaking crates.io crate easy-ext 1.0.2 [INFO] tweaked toml for crates.io crate easy-ext 1.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 9e9864afdc08420c00e68ce4c1cf91cf06a025e838ba5b0da708c69423912e82 [INFO] running `Command { std: "docker" "start" "-a" "9e9864afdc08420c00e68ce4c1cf91cf06a025e838ba5b0da708c69423912e82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9e9864afdc08420c00e68ce4c1cf91cf06a025e838ba5b0da708c69423912e82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9e9864afdc08420c00e68ce4c1cf91cf06a025e838ba5b0da708c69423912e82", kill_on_drop: false }` [INFO] [stdout] 9e9864afdc08420c00e68ce4c1cf91cf06a025e838ba5b0da708c69423912e82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b71bea3bb00ba8bfc148c7d7d895cbc56701cc4ededcb52a2ab14a112888b173 [INFO] running `Command { std: "docker" "start" "-a" "b71bea3bb00ba8bfc148c7d7d895cbc56701cc4ededcb52a2ab14a112888b173", kill_on_drop: false }` [INFO] [stderr] Compiling easy-ext v1.0.2 (/opt/rustwide/workdir) [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/ast.rs:397:23 [INFO] [stdout] | [INFO] [stdout] 393 | let tokens = input.parse_group(Delimiter::Bracket)?; [INFO] [stdout] | -------------------------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] 394 | let mut kind = AttributeKind::Other; [INFO] [stdout] 395 | let mut iter = TokenIter::new(tokens.stream()); [INFO] [stdout] | -------- [INFO] [stdout] | | [INFO] [stdout] | `iter` calls a custom destructor [INFO] [stdout] | `iter` will be dropped later as of Edition 2024 [INFO] [stdout] 396 | if let Some(TokenTree::Ident(i)) = iter.next() { [INFO] [stdout] | ----------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | `#2` will be dropped later as of Edition 2024 [INFO] [stdout] 397 | match iter.next() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 406 | } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#3` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `iter` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/ast.rs:429:63 [INFO] [stdout] | [INFO] [stdout] 427 | let attrs = parse_attrs(input)?; [INFO] [stdout] | ------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] 428 | let value = if input.peek_lifetime() { [INFO] [stdout] 429 | GenericParam::Lifetime(LifetimeDef { attrs, ..parse_lifetime_def(input)? }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 430 | } else if input.peek_t(&"const") { [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#3` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/ast.rs:431:59 [INFO] [stdout] | [INFO] [stdout] 427 | let attrs = parse_attrs(input)?; [INFO] [stdout] | ------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 431 | GenericParam::Const(ConstParam { attrs, ..parse_const_param(input)? }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 432 | } else if input.peek_t(&"_") { [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#3` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/ast.rs:442:57 [INFO] [stdout] | [INFO] [stdout] 427 | let attrs = parse_attrs(input)?; [INFO] [stdout] | ------------------- [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | `#1` will be dropped later as of Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 442 | GenericParam::Type(TypeParam { attrs, ..parse_type_param(input)? }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#2` [INFO] [stdout] | up until Edition 2021 `#2` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] | this value will be stored in a temporary; let us call it `#3` [INFO] [stdout] | up until Edition 2021 `#3` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] 443 | } else { [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#2` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#3` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: relative drop order changing in Rust 2024 [INFO] [stdout] --> src/lib.rs:397:68 [INFO] [stdout] | [INFO] [stdout] 396 | ... let mut iter = pred.bounded_ty.clone().into_iter(); [INFO] [stdout] | -------- [INFO] [stdout] | | [INFO] [stdout] | `iter` calls a custom destructor [INFO] [stdout] | `iter` will be dropped later as of Edition 2024 [INFO] [stdout] 397 | ... if let Some(TokenTree::Ident(i)) = iter.next() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this value will be stored in a temporary; let us call it `#1` [INFO] [stdout] | up until Edition 2021 `#1` is dropped last but will be dropped earlier in Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 414 | ... } [INFO] [stdout] | - now the temporary value is dropped here, before the local variables in the block or statement [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see [INFO] [stdout] note: `#1` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] note: `iter` invokes this custom destructor [INFO] [stdout] --> /rustc/11663cd3bfefef7d34e8f0892c250bf698049392/library/proc_macro/src/bridge/client.rs:100:1 [INFO] [stdout] = note: most of the time, changing drop order is harmless; inspect the `impl Drop`s for side effects like releasing locks or sending messages [INFO] [stdout] = note: this error originates in the macro `define_client_handles` which comes from the expansion of the macro `with_api_handle_types` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `easy-ext` (lib) due to 5 previous errors [INFO] running `Command { std: "docker" "inspect" "b71bea3bb00ba8bfc148c7d7d895cbc56701cc4ededcb52a2ab14a112888b173", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b71bea3bb00ba8bfc148c7d7d895cbc56701cc4ededcb52a2ab14a112888b173", kill_on_drop: false }` [INFO] [stdout] b71bea3bb00ba8bfc148c7d7d895cbc56701cc4ededcb52a2ab14a112888b173