[INFO] fetching crate ensf594-project-mmap 0.5.0... [INFO] checking ensf594-project-mmap-0.5.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ensf594-project-mmap 0.5.0 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate ensf594-project-mmap 0.5.0 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 crates.io crate ensf594-project-mmap 0.5.0 [INFO] finished tweaking crates.io crate ensf594-project-mmap 0.5.0 [INFO] tweaked toml for crates.io crate ensf594-project-mmap 0.5.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate ensf594-project-mmap 0.5.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 789b335533067be7bbca26df2f6b4c8de97fc78a349d40751172042c935466d7 [INFO] running `Command { std: "docker" "start" "-a" "789b335533067be7bbca26df2f6b4c8de97fc78a349d40751172042c935466d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "789b335533067be7bbca26df2f6b4c8de97fc78a349d40751172042c935466d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "789b335533067be7bbca26df2f6b4c8de97fc78a349d40751172042c935466d7", kill_on_drop: false }` [INFO] [stdout] 789b335533067be7bbca26df2f6b4c8de97fc78a349d40751172042c935466d7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] cd582473586a386ae89cf1c2a2815b9dc45e2e1b472d5aae79a516b8aaf47c6a [INFO] running `Command { std: "docker" "start" "-a" "cd582473586a386ae89cf1c2a2815b9dc45e2e1b472d5aae79a516b8aaf47c6a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.43 [INFO] [stderr] Compiling libc v0.2.127 [INFO] [stderr] Compiling unicode-ident v1.0.3 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.99 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Checking os_str_bytes v6.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking textwrap v0.15.0 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Checking ensf594-project-mmap v0.5.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructures/nodes/tnode/re_balance.rs:52:19 [INFO] [stdout] | [INFO] [stdout] 28 | let a = self; [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 32 | data: a_data, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 35 | left: a_left, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 44 | right: c_right, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 45 | left: b, [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 52 | data: c_data, [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 `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructures/nodes/tnode/re_balance.rs:104:19 [INFO] [stdout] | [INFO] [stdout] 90 | let c = self; [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 93 | let TNode { data: c_data, balance: c_balance, right: c_right, left: a } = [INFO] [stdout] | ------ ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 98 | let TNode { data: a_data, balance: a_balance, right: b, left: a_left } = [INFO] [stdout] | - ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 104 | data: a_data, [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: this value of type `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructures/nodes/tnode/re_balance.rs:171:19 [INFO] [stdout] | [INFO] [stdout] 145 | let a = self; [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 148 | let TNode { data: a_data, balance: a_balance, right: c, left: a_left } = [INFO] [stdout] | ------ ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 153 | let TNode { data: c_data, balance: c_balance, right: c_right, left: b } = [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 161 | right: b_right, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 162 | left: b_left, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 171 | data: b_data, [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: this value of type `T` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructures/nodes/tnode/re_balance.rs:246:19 [INFO] [stdout] | [INFO] [stdout] 220 | let c = self; [INFO] [stdout] | - these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 223 | let TNode { data: c_data, balance: c_balance, right: c_right, left: a } = [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 228 | let TNode { data: a_data, balance: a_balance, right: b, left: a_left } = [INFO] [stdout] | ------ ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 236 | right: b_right, [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 237 | left: b_left, [INFO] [stdout] | ------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 246 | data: b_data, [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: this value of type `(T, Balance, Option>>, Option>>)` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/datastructures/trees/avl.rs:207:45 [INFO] [stdout] | [INFO] [stdout] 206 | ... (*current).take().map(|current_box| { [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] 207 | ... current_box.unpack().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] [INFO] [stdout] [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ensf594-project-mmap` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "cd582473586a386ae89cf1c2a2815b9dc45e2e1b472d5aae79a516b8aaf47c6a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd582473586a386ae89cf1c2a2815b9dc45e2e1b472d5aae79a516b8aaf47c6a", kill_on_drop: false }` [INFO] [stdout] cd582473586a386ae89cf1c2a2815b9dc45e2e1b472d5aae79a516b8aaf47c6a