[INFO] fetching crate basic_trie 2.0.0... [INFO] checking basic_trie-2.0.0 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate basic_trie 2.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate basic_trie 2.0.0 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 basic_trie 2.0.0 [INFO] finished tweaking crates.io crate basic_trie 2.0.0 [INFO] tweaked toml for crates.io crate basic_trie 2.0.0 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 31 packages to latest compatible versions [INFO] [stderr] Adding fastrand v1.9.0 (latest: v2.1.1) [INFO] [stderr] Adding iter-read v0.3.1 (latest: v1.1.0) [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] [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ca530362fa29f98e601c1686f39f6b3c48dc4b3a0ad7ce98141617574c08b96e [INFO] running `Command { std: "docker" "start" "-a" "ca530362fa29f98e601c1686f39f6b3c48dc4b3a0ad7ce98141617574c08b96e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ca530362fa29f98e601c1686f39f6b3c48dc4b3a0ad7ce98141617574c08b96e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca530362fa29f98e601c1686f39f6b3c48dc4b3a0ad7ce98141617574c08b96e", kill_on_drop: false }` [INFO] [stdout] ca530362fa29f98e601c1686f39f6b3c48dc4b3a0ad7ce98141617574c08b96e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2b854ec07b0ea7b8764008d76ad559428f0e7ee580d273f657361525c628f50d [INFO] running `Command { std: "docker" "start" "-a" "2b854ec07b0ea7b8764008d76ad559428f0e7ee580d273f657361525c628f50d", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.209 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking fixedstr v0.5.7 [INFO] [stderr] Checking arrayvec v0.7.6 [INFO] [stderr] Checking xxhash-rust v0.8.12 [INFO] [stderr] Checking iter-read v0.3.1 [INFO] [stderr] Checking thin-vec v0.2.13 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking randomizer v0.1.2 [INFO] [stderr] Checking peak_alloc v0.2.1 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking basic_trie v2.0.0 (/opt/rustwide/workdir) [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/trie/data_trie.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 121 | return current.clear_word_end_association(false).map(|data_vec| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 122 | self.len -= 1; [INFO] [stdout] 123 | data_vec.into_iter().collect() [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/trie/data_trie.rs:134:22 [INFO] [stdout] | [INFO] [stdout] 132 | .map_or(Some(Vec::new()), |data_vec| { [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 133 | self.len -= 1; [INFO] [stdout] 134 | Some(data_vec.into_iter().collect()) [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: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/trie/data_trie.rs:287:29 [INFO] [stdout] | [INFO] [stdout] 287 | .map(|data_vec| data_vec.into_iter().collect()) [INFO] [stdout] | -------- ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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 3 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `basic_trie` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "2b854ec07b0ea7b8764008d76ad559428f0e7ee580d273f657361525c628f50d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b854ec07b0ea7b8764008d76ad559428f0e7ee580d273f657361525c628f50d", kill_on_drop: false }` [INFO] [stdout] 2b854ec07b0ea7b8764008d76ad559428f0e7ee580d273f657361525c628f50d