[INFO] fetching crate clock-bound-shm 1.0.0... [INFO] checking clock-bound-shm-1.0.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate clock-bound-shm 1.0.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate clock-bound-shm 1.0.0 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 clock-bound-shm 1.0.0 [INFO] finished tweaking crates.io crate clock-bound-shm 1.0.0 [INFO] tweaked toml for crates.io crate clock-bound-shm 1.0.0 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] [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 bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding errno v0.3.0 (available: v0.3.9) [INFO] [stderr] Adding memoffset v0.7.1 (available: v0.9.1) [INFO] [stderr] Adding nix v0.26.4 (available: v0.29.0) [INFO] [stderr] Adding windows-sys v0.45.0 (available: v0.59.0) [INFO] [stderr] Adding windows-targets v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.42.2 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.42.2 (available: v0.52.6) [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] [stderr] Blocking waiting for file lock on package cache [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] e67c9e928bf9463596bc7aa7c3538ddd0b24ea4c8cb1cbdaefe8bfce1e85055e [INFO] running `Command { std: "docker" "start" "-a" "e67c9e928bf9463596bc7aa7c3538ddd0b24ea4c8cb1cbdaefe8bfce1e85055e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e67c9e928bf9463596bc7aa7c3538ddd0b24ea4c8cb1cbdaefe8bfce1e85055e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e67c9e928bf9463596bc7aa7c3538ddd0b24ea4c8cb1cbdaefe8bfce1e85055e", kill_on_drop: false }` [INFO] [stdout] e67c9e928bf9463596bc7aa7c3538ddd0b24ea4c8cb1cbdaefe8bfce1e85055e [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] babd507966c8eef13b6d7811648bac3e6135d66c58289a1fb5c6bf2e5719b245 [INFO] running `Command { std: "docker" "start" "-a" "babd507966c8eef13b6d7811648bac3e6135d66c58289a1fb5c6bf2e5719b245", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.7.1 [INFO] [stderr] Checking errno v0.3.0 [INFO] [stderr] Checking nix v0.26.4 [INFO] [stderr] Checking clock-bound-shm v1.0.0 (/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/writer.rs:132:15 [INFO] [stdout] | [INFO] [stdout] 129 | let path_cstring = CString::new(path.as_os_str().as_bytes()) [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | match ShmReader::new(path_cstring.as_c_str()) { [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 `clock-bound-shm` (lib) due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [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/writer.rs:132:15 [INFO] [stdout] | [INFO] [stdout] 129 | let path_cstring = CString::new(path.as_os_str().as_bytes()) [INFO] [stdout] | ------------ these local bindings with significant drop implementation may observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 132 | match ShmReader::new(path_cstring.as_c_str()) { [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 `clock-bound-shm` (lib test) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "babd507966c8eef13b6d7811648bac3e6135d66c58289a1fb5c6bf2e5719b245", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "babd507966c8eef13b6d7811648bac3e6135d66c58289a1fb5c6bf2e5719b245", kill_on_drop: false }` [INFO] [stdout] babd507966c8eef13b6d7811648bac3e6135d66c58289a1fb5c6bf2e5719b245