[INFO] fetching crate undepend 0.1.1... [INFO] checking undepend-0.1.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate undepend 0.1.1 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate undepend 0.1.1 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 undepend 0.1.1 [INFO] finished tweaking crates.io crate undepend 0.1.1 [INFO] tweaked toml for crates.io crate undepend 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate undepend 0.1.1 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 109efb20849e8a8a7108e817aec668dcf5dc98826045ae4dd9179a6cc3ee099a [INFO] running `Command { std: "docker" "start" "-a" "109efb20849e8a8a7108e817aec668dcf5dc98826045ae4dd9179a6cc3ee099a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "109efb20849e8a8a7108e817aec668dcf5dc98826045ae4dd9179a6cc3ee099a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "109efb20849e8a8a7108e817aec668dcf5dc98826045ae4dd9179a6cc3ee099a", kill_on_drop: false }` [INFO] [stdout] 109efb20849e8a8a7108e817aec668dcf5dc98826045ae4dd9179a6cc3ee099a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 890c0ce9c714f085f5742c26bbcf6c0b2fce1322b3317b5de266bcf58b0cb0a1 [INFO] running `Command { std: "docker" "start" "-a" "890c0ce9c714f085f5742c26bbcf6c0b2fce1322b3317b5de266bcf58b0cb0a1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling serde_derive v1.0.127 [INFO] [stderr] Compiling serde v1.0.127 [INFO] [stderr] Compiling libc v0.2.99 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling camino v1.0.5 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling serde_json v1.0.66 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Checking bytes v1.0.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking combine v4.6.0 [INFO] [stderr] Checking time v0.1.43 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking toml_edit v0.2.1 [INFO] [stderr] Checking cargo-platform v0.1.2 [INFO] [stderr] Checking cargo_metadata v0.14.0 [INFO] [stderr] Checking undepend v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: this value of type `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:114:11 [INFO] [stdout] | [INFO] [stdout] 100 | let mut cmd = std::process::Command::new("cargo"); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 114 | match cmd.output() { [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 `Result` has significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:114:11 [INFO] [stdout] | [INFO] [stdout] 100 | let mut cmd = std::process::Command::new("cargo"); [INFO] [stdout] | ------- these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 114 | match cmd.output() { [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] [stderr] error: could not compile `undepend` (bin "undepend" test) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `undepend` (bin "undepend") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "890c0ce9c714f085f5742c26bbcf6c0b2fce1322b3317b5de266bcf58b0cb0a1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "890c0ce9c714f085f5742c26bbcf6c0b2fce1322b3317b5de266bcf58b0cb0a1", kill_on_drop: false }` [INFO] [stdout] 890c0ce9c714f085f5742c26bbcf6c0b2fce1322b3317b5de266bcf58b0cb0a1