[INFO] fetching crate amt 0.1.1... [INFO] checking amt-0.1.1 against try#c387b04bf028733cd561d62128c8a5eee4bc1458+rustflags=-Dtail_expr_drop_order for pr-130930 [INFO] extracting crate amt 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate amt 0.1.1 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 amt 0.1.1 [INFO] finished tweaking crates.io crate amt 0.1.1 [INFO] tweaked toml for crates.io crate amt 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c387b04bf028733cd561d62128c8a5eee4bc1458" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 45 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.9.3 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding clap v2.34.0 (available: v4.5.18) [INFO] [stderr] Adding hermit-abi v0.1.19 (available: v0.4.0) [INFO] [stderr] Adding itertools v0.7.11 (available: v0.13.0) [INFO] [stderr] Adding mailparse v0.6.5 (available: v0.15.0) [INFO] [stderr] Adding quoted_printable v0.4.8 (available: v0.5.1) [INFO] [stderr] Adding strsim v0.8.0 (available: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (available: v0.16.1) [INFO] [stderr] Adding unicode-width v0.1.14 (available: v0.2.0) [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] 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1c5c8d2117b3723ab7165878b156b7d348796323577cc54d83ba0de090a49d42 [INFO] running `Command { std: "docker" "start" "-a" "1c5c8d2117b3723ab7165878b156b7d348796323577cc54d83ba0de090a49d42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1c5c8d2117b3723ab7165878b156b7d348796323577cc54d83ba0de090a49d42", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1c5c8d2117b3723ab7165878b156b7d348796323577cc54d83ba0de090a49d42", kill_on_drop: false }` [INFO] [stdout] 1c5c8d2117b3723ab7165878b156b7d348796323577cc54d83ba0de090a49d42 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] e9635c6216e3f0a63680195097efcdfad1395c22d51f3a84f66a029c9260828b [INFO] running `Command { std: "docker" "start" "-a" "e9635c6216e3f0a63680195097efcdfad1395c22d51f3a84f66a029c9260828b", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling libc v0.2.159 [INFO] [stderr] Checking safemem v0.3.3 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking quoted_printable v0.4.8 [INFO] [stderr] Checking either v1.13.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking base64 v0.9.3 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Checking mailparse v0.6.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking amt v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `GroupBy, {closure@src/main.rs:85:21: 85:28}>, {closure@src/main.rs:90:21: 90:27}>, {closure@src/main.rs:159:14: 159:29}>, {closure@src/main.rs:162:19: 162:24}>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 64 | let subject_replace_regex = RegexBuilder::new(matches.value_of("subject-replace-regex").unwrap()) // safe by clap [INFO] [stdout] | --------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 76 | / WalkDir::new(maildir) [INFO] [stdout] 77 | | .max_depth(usize::max_value()) [INFO] [stdout] 78 | | .follow_links(false) [INFO] [stdout] 79 | | .max_open(50) [INFO] [stdout] ... | [INFO] [stdout] 161 | | }) [INFO] [stdout] 162 | | .group_by(|tpl| tpl.1.clone()) [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 `GroupBy, {closure@src/main.rs:85:21: 85:28}>, {closure@src/main.rs:90:21: 90:27}>, {closure@src/main.rs:159:14: 159:29}>, {closure@src/main.rs:162:19: 162:24}>` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 64 | let subject_replace_regex = RegexBuilder::new(matches.value_of("subject-replace-regex").unwrap()) // safe by clap [INFO] [stdout] | --------------------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 76 | / WalkDir::new(maildir) [INFO] [stdout] 77 | | .max_depth(usize::max_value()) [INFO] [stdout] 78 | | .follow_links(false) [INFO] [stdout] 79 | | .max_open(50) [INFO] [stdout] ... | [INFO] [stdout] 161 | | }) [INFO] [stdout] 162 | | .group_by(|tpl| tpl.1.clone()) [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: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `amt` (bin "amt" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `amt` (bin "amt") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e9635c6216e3f0a63680195097efcdfad1395c22d51f3a84f66a029c9260828b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9635c6216e3f0a63680195097efcdfad1395c22d51f3a84f66a029c9260828b", kill_on_drop: false }` [INFO] [stdout] e9635c6216e3f0a63680195097efcdfad1395c22d51f3a84f66a029c9260828b