[INFO] fetching crate maelstrom-util 0.12.0... [INFO] checking maelstrom-util-0.12.0 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate maelstrom-util 0.12.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate maelstrom-util 0.12.0 on toolchain c387b04bf028733cd561d62128c8a5eee4bc1458 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate maelstrom-util 0.12.0 [INFO] finished tweaking crates.io crate maelstrom-util 0.12.0 [INFO] tweaked toml for crates.io crate maelstrom-util 0.12.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] crate crates.io crate maelstrom-util 0.12.0 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" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cc29e0c95ed09109cd3ad7c6bdbc350c2c55f072d84dc35699f700837036ac7 [INFO] running `Command { std: "docker" "start" "-a" "5cc29e0c95ed09109cd3ad7c6bdbc350c2c55f072d84dc35699f700837036ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cc29e0c95ed09109cd3ad7c6bdbc350c2c55f072d84dc35699f700837036ac7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cc29e0c95ed09109cd3ad7c6bdbc350c2c55f072d84dc35699f700837036ac7", kill_on_drop: false }` [INFO] [stdout] 5cc29e0c95ed09109cd3ad7c6bdbc350c2c55f072d84dc35699f700837036ac7 [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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 939e11966579b693c5373e4aae66426e95101c115d4f5300b7766da0d119612a [INFO] running `Command { std: "docker" "start" "-a" "939e11966579b693c5373e4aae66426e95101c115d4f5300b7766da0d119612a", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.77 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling crossbeam-utils v0.8.20 [INFO] [stderr] Checking parking v2.2.1 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling rustix v0.38.36 [INFO] [stderr] Compiling rustversion v1.0.17 [INFO] [stderr] Checking atomic-waker v1.1.2 [INFO] [stderr] Compiling slog v2.7.0 [INFO] [stderr] Checking utf8parse v0.2.2 [INFO] [stderr] Compiling fs-err v2.11.0 [INFO] [stderr] Checking colorchoice v1.0.2 [INFO] [stderr] Checking async-task v4.7.1 [INFO] [stderr] Compiling camino v1.1.9 [INFO] [stderr] Checking anstyle-query v1.1.1 [INFO] [stderr] Checking is_terminal_polyfill v1.70.1 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking futures-lite v2.3.0 [INFO] [stderr] Checking anstyle-parse v0.2.5 [INFO] [stderr] Compiling time-macros v0.2.18 [INFO] [stderr] Checking piper v0.2.4 [INFO] [stderr] Checking winnow v0.6.18 [INFO] [stderr] Checking anstream v0.6.15 [INFO] [stderr] Compiling slog-async v2.8.0 [INFO] [stderr] Compiling anyhow v1.0.87 [INFO] [stderr] Checking bytesize v1.3.0 [INFO] [stderr] Checking glob v0.3.1 [INFO] [stderr] Checking take_mut v0.2.2 [INFO] [stderr] Checking bytes v1.7.1 [INFO] [stderr] Checking heck v0.5.0 [INFO] [stderr] Checking xdg v2.5.2 [INFO] [stderr] Compiling indoc v2.0.5 [INFO] [stderr] Checking concurrent-queue v2.5.0 [INFO] [stderr] Checking crossbeam-channel v0.5.13 [INFO] [stderr] Checking event-listener v5.3.1 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking num-complex v0.4.6 [INFO] [stderr] Checking event-listener-strategy v0.5.2 [INFO] [stderr] Checking time v0.3.36 [INFO] [stderr] Checking num-bigint v0.4.6 [INFO] [stderr] Checking num-iter v0.1.45 [INFO] [stderr] Checking async-channel v2.3.1 [INFO] [stderr] Checking async-lock v3.4.0 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking mio v1.0.2 [INFO] [stderr] Checking socket2 v0.5.7 [INFO] [stderr] Checking is-terminal v0.4.13 [INFO] [stderr] Checking getrandom v0.2.15 [INFO] [stderr] Checking num_cpus v1.16.0 [INFO] [stderr] Checking fs2 v0.4.3 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Checking term v0.7.0 [INFO] [stderr] Checking blocking v1.6.1 [INFO] [stderr] Checking async-fs v2.1.2 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking async-walkdir v1.0.0 [INFO] [stderr] Checking terminal_size v0.3.0 [INFO] [stderr] Checking tempfile v3.12.0 [INFO] [stderr] Checking clap_builder v4.5.17 [INFO] [stderr] Checking slog-term v2.9.1 [INFO] [stderr] Checking num-rational v0.4.2 [INFO] [stderr] Checking num v0.4.3 [INFO] [stderr] Checking maelstrom-simex v0.12.0 [INFO] [stderr] Compiling darling_core v0.20.10 [INFO] [stderr] Compiling serde_derive v1.0.210 [INFO] [stderr] Compiling zerocopy-derive v0.7.35 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling scroll_derive v0.12.0 [INFO] [stderr] Compiling derive_more v0.99.18 [INFO] [stderr] Compiling enum-map-derive v0.17.0 [INFO] [stderr] Compiling strum_macros v0.25.3 [INFO] [stderr] Compiling tokio-macros v2.4.0 [INFO] [stderr] Compiling serde_repr v0.1.19 [INFO] [stderr] Compiling clap_derive v4.5.13 [INFO] [stderr] Compiling pin-project-internal v1.1.5 [INFO] [stderr] Compiling async-trait v0.1.82 [INFO] [stderr] Compiling concat-idents v1.1.5 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking scroll v0.12.0 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking zerocopy v0.7.35 [INFO] [stderr] Checking goblin v0.8.2 [INFO] [stderr] Checking pin-project v1.1.5 [INFO] [stderr] Compiling darling_macro v0.20.10 [INFO] [stderr] Checking strum v0.25.0 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Checking ppv-lite86 v0.2.20 [INFO] [stderr] Compiling darling v0.20.10 [INFO] [stderr] Checking clap v4.5.17 [INFO] [stderr] Compiling enumset_derive v0.10.0 [INFO] [stderr] Compiling maelstrom-macro v0.12.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking maelstrom-linux v0.12.0 [INFO] [stderr] Checking indexmap v2.5.0 [INFO] [stderr] Checking lru v0.12.4 [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking lddtree v0.3.5 [INFO] [stderr] Checking toml_datetime v0.6.8 [INFO] [stderr] Checking serde_spanned v0.6.7 [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] Checking enum-map v2.7.3 [INFO] [stderr] Checking enumset v1.1.5 [INFO] [stderr] Checking nonempty v0.8.1 [INFO] [stderr] Checking bytesize-serde v0.2.1 [INFO] [stderr] Checking serde_test v1.0.177 [INFO] [stderr] Checking toml_edit v0.22.20 [INFO] [stderr] Checking maelstrom-base v0.12.0 [INFO] [stderr] Checking toml v0.8.19 [INFO] [stderr] Checking maelstrom-util v0.12.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `(InnerT, std::io::Repeat)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn into_inner(self) -> InnerT { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 34 | self.0.into_inner().into_inner().0 [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: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io.rs:1077:15 [INFO] [stdout] | [INFO] [stdout] 1076 | pub fn new(log: slog::Logger) -> Self { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1077 | match Splicer::new() { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maelstrom-util` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: this value of type `(InnerT, std::io::Repeat)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 33 | pub fn into_inner(self) -> InnerT { [INFO] [stdout] | ---- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 34 | self.0.into_inner().into_inner().0 [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: this value of type `std::result::Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/io.rs:1077:15 [INFO] [stdout] | [INFO] [stdout] 1076 | pub fn new(log: slog::Logger) -> Self { [INFO] [stdout] | --- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 1077 | match Splicer::new() { [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 [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `maelstrom-util` (lib test) due to 3 previous errors [INFO] running `Command { std: "docker" "inspect" "939e11966579b693c5373e4aae66426e95101c115d4f5300b7766da0d119612a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "939e11966579b693c5373e4aae66426e95101c115d4f5300b7766da0d119612a", kill_on_drop: false }` [INFO] [stdout] 939e11966579b693c5373e4aae66426e95101c115d4f5300b7766da0d119612a