[INFO] fetching crate cachers 0.1.0... [INFO] checking cachers-0.1.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate cachers 0.1.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate cachers 0.1.0 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 cachers 0.1.0 [INFO] finished tweaking crates.io crate cachers 0.1.0 [INFO] tweaked toml for crates.io crate cachers 0.1.0 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" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 557b34856825be2e7927fe1b3ac808a9f3ca137c5e87142549e8c0b2006587f7 [INFO] running `Command { std: "docker" "start" "-a" "557b34856825be2e7927fe1b3ac808a9f3ca137c5e87142549e8c0b2006587f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "557b34856825be2e7927fe1b3ac808a9f3ca137c5e87142549e8c0b2006587f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "557b34856825be2e7927fe1b3ac808a9f3ca137c5e87142549e8c0b2006587f7", kill_on_drop: false }` [INFO] [stdout] 557b34856825be2e7927fe1b3ac808a9f3ca137c5e87142549e8c0b2006587f7 [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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6179bed862043b9e4d766351002e464eb5a4346eaacb67824b55fd07cd5041ab [INFO] running `Command { std: "docker" "start" "-a" "6179bed862043b9e4d766351002e464eb5a4346eaacb67824b55fd07cd5041ab", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking cachers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:155:19 [INFO] [stdout] | [INFO] [stdout] 145 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 155 | assert_eq!(*value.unwrap(), "42"); [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:165:11 [INFO] [stdout] | [INFO] [stdout] 162 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 165 | let value = segment.get_or_populate(our_key, miss); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:177:19 [INFO] [stdout] | [INFO] [stdout] 173 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 177 | assert_eq!(*value.unwrap(), "42"); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:200:19 [INFO] [stdout] | [INFO] [stdout] 189 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 200 | assert_eq!(*value.unwrap(), "42"); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:224:19 [INFO] [stdout] | [INFO] [stdout] 207 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 224 | assert_eq!(*value.unwrap(), "42 updated!"); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:235:19 [INFO] [stdout] | [INFO] [stdout] 231 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 235 | assert_eq!(*value.unwrap(), "42"); [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/segment.rs:263:11 [INFO] [stdout] | [INFO] [stdout] 247 | let mut segment: Segment = test_segment(); [INFO] [stdout] | ----------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 263 | let value = segment.get_or_populate(our_key, miss); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:168:19 [INFO] [stdout] | [INFO] [stdout] 158 | let cache: CacheThrough = test_cache(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 168 | assert_eq!(*value.unwrap(), "42"); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:185:19 [INFO] [stdout] | [INFO] [stdout] 175 | let cache: CacheThrough = test_cache(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 185 | assert_eq!(*value.unwrap(), "42"); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:206:19 [INFO] [stdout] | [INFO] [stdout] 195 | let cache: CacheThrough = test_cache(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 206 | assert_eq!(*value.unwrap(), "42"); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:230:19 [INFO] [stdout] | [INFO] [stdout] 213 | let cache: CacheThrough = test_cache(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 230 | assert_eq!(*value.unwrap(), "42 updated!"); [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 `Option>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:253:11 [INFO] [stdout] | [INFO] [stdout] 237 | let cache: CacheThrough = test_cache(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 253 | let value = cache.get(our_key, miss); [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 `Arc` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/lib.rs:323:19 [INFO] [stdout] | [INFO] [stdout] 278 | let cache: CacheThrough = test_cache(); [INFO] [stdout] | ----- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 323 | assert_eq!(*cache.get(6, populate).unwrap(), "6"); // evicts 4 [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 13 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `cachers` (lib test) due to 14 previous errors [INFO] running `Command { std: "docker" "inspect" "6179bed862043b9e4d766351002e464eb5a4346eaacb67824b55fd07cd5041ab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6179bed862043b9e4d766351002e464eb5a4346eaacb67824b55fd07cd5041ab", kill_on_drop: false }` [INFO] [stdout] 6179bed862043b9e4d766351002e464eb5a4346eaacb67824b55fd07cd5041ab