[INFO] fetching crate ebml-iterable 0.6.2... [INFO] checking ebml-iterable-0.6.2 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate ebml-iterable 0.6.2 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate ebml-iterable 0.6.2 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 ebml-iterable 0.6.2 [INFO] finished tweaking crates.io crate ebml-iterable 0.6.2 [INFO] tweaked toml for crates.io crate ebml-iterable 0.6.2 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] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 21 packages to latest compatible versions [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [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-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] 2a6f53588db9675b0ad571af34579007760920fb56f04565251ee2cb0f2bd6d9 [INFO] running `Command { std: "docker" "start" "-a" "2a6f53588db9675b0ad571af34579007760920fb56f04565251ee2cb0f2bd6d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a6f53588db9675b0ad571af34579007760920fb56f04565251ee2cb0f2bd6d9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a6f53588db9675b0ad571af34579007760920fb56f04565251ee2cb0f2bd6d9", kill_on_drop: false }` [INFO] [stdout] 2a6f53588db9675b0ad571af34579007760920fb56f04565251ee2cb0f2bd6d9 [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] 5acf85d9463607e96c10347797cab15c18c6e11d16763eb0f9e9eaed92488fa5 [INFO] running `Command { std: "docker" "start" "-a" "5acf85d9463607e96c10347797cab15c18c6e11d16763eb0f9e9eaed92488fa5", kill_on_drop: false }` [INFO] [stderr] Checking ebml-iterable-specification v0.4.0 [INFO] [stderr] Checking ebml-iterable v0.6.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `TagIteratorError` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/spec_write_read.rs:216:15 [INFO] [stdout] | [INFO] [stdout] 212 | let mut iter = reader.into_iter().skip_while(|x: &Result| x.is_ok()); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 216 | match err.expect_err("Should be an error") { [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 `TagIteratorError` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> tests/spec_write_read.rs:258:15 [INFO] [stdout] | [INFO] [stdout] 254 | let mut iter = reader.into_iter().skip_while(|x: &Result| x.is_ok()); [INFO] [stdout] | -------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 258 | match err.expect_err("Should be an error") { [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 `ebml-iterable` (test "spec_write_read") due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "5acf85d9463607e96c10347797cab15c18c6e11d16763eb0f9e9eaed92488fa5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5acf85d9463607e96c10347797cab15c18c6e11d16763eb0f9e9eaed92488fa5", kill_on_drop: false }` [INFO] [stdout] 5acf85d9463607e96c10347797cab15c18c6e11d16763eb0f9e9eaed92488fa5