[INFO] fetching crate jupyter 0.2.1... [INFO] checking jupyter-0.2.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate jupyter 0.2.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate jupyter 0.2.1 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 jupyter 0.2.1 [INFO] finished tweaking crates.io crate jupyter 0.2.1 [INFO] tweaked toml for crates.io crate jupyter 0.2.1 written to /workspace/builds/worker-7-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] Locking 170 packages to latest compatible versions [INFO] [stderr] Adding base64 v0.21.7 (available: v0.22.1) [INFO] [stderr] Adding bitflags v1.3.2 (available: v2.6.0) [INFO] [stderr] Adding dashmap v5.5.3 (available: v6.1.0) [INFO] [stderr] Adding generic-array v0.14.7 (available: v1.1.0) [INFO] [stderr] Adding hermit-abi v0.3.9 (available: v0.4.0) [INFO] [stderr] Adding idna v0.5.0 (available: v1.0.2) [INFO] [stderr] Adding image v0.24.9 (available: v0.25.2) [INFO] [stderr] Adding miniz_oxide v0.7.4 (available: v0.8.0) [INFO] [stderr] Adding ndarray v0.15.6 (available: v0.16.1) [INFO] [stderr] Adding svg v0.14.0 (available: v0.17.0) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1) [INFO] [stderr] Adding windows-core v0.52.0 (available: v0.58.0) [INFO] [stderr] Adding windows-sys v0.48.0 (available: v0.59.0) [INFO] [stderr] Adding windows-sys v0.52.0 (available: v0.59.0) [INFO] [stderr] Adding windows-targets v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (available: v0.52.6) [INFO] [stderr] Adding zeromq v0.3.5 (available: v0.4.0) [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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7a75e7e4ba520a9547d605fa68d50d68753d6d3fa7253e222e0534858160f7d5 [INFO] running `Command { std: "docker" "start" "-a" "7a75e7e4ba520a9547d605fa68d50d68753d6d3fa7253e222e0534858160f7d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7a75e7e4ba520a9547d605fa68d50d68753d6d3fa7253e222e0534858160f7d5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a75e7e4ba520a9547d605fa68d50d68753d6d3fa7253e222e0534858160f7d5", kill_on_drop: false }` [INFO] [stdout] 7a75e7e4ba520a9547d605fa68d50d68753d6d3fa7253e222e0534858160f7d5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 9406abf84eeee30d0ea92b1dd38ece9da84a1cc27a1544c2d8ea628fdc72e2a2 [INFO] running `Command { std: "docker" "start" "-a" "9406abf84eeee30d0ea92b1dd38ece9da84a1cc27a1544c2d8ea628fdc72e2a2", kill_on_drop: false }` [INFO] [stderr] Checking serde v1.0.210 [INFO] [stderr] Checking regex-syntax v0.8.4 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking tokio v1.40.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking option-ext v0.2.0 [INFO] [stderr] Checking hashbrown v0.14.5 [INFO] [stderr] Checking crossbeam-queue v0.3.11 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking dirs v5.0.1 [INFO] [stderr] Checking clap v4.5.18 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking unicode-segmentation v1.12.0 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking regex-automata v0.4.7 [INFO] [stderr] Checking regex v1.10.6 [INFO] [stderr] Checking uuid v1.10.0 [INFO] [stderr] Checking serde_json v1.0.128 [INFO] [stderr] Checking chrono v0.4.38 [INFO] [stderr] Checking asynchronous-codec v0.7.0 [INFO] [stderr] Checking tokio-util v0.7.12 [INFO] [stderr] Checking serde-lsp v0.0.1 [INFO] [stderr] Checking zeromq v0.3.5 [INFO] [stderr] Checking jupyter v0.2.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/jupyter_message/mod.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub(crate) fn from_multipart(multipart: zeromq::ZmqMessage, connection: &Connection) -> JupyterResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `errors::JupyterError: From` will fail [INFO] [stdout] --> src/jupyter_message/mod.rs:57:112 [INFO] [stdout] | [INFO] [stdout] 57 | multipart.iter().position(|part| &part[..] == DELIMITER).ok_or_else(|| panic!("Missing delimeter"))?; [INFO] [stdout] | ^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `restart` is never read [INFO] [stdout] --> src/jupyter_message/shutdown.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ShutdownReply { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 10 | /// return true if restart, or false if finally shutdown [INFO] [stdout] 11 | pub restart: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ShutdownReply` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this function depends on never type fallback being `()` [INFO] [stdout] --> src/jupyter_message/mod.rs:55:5 [INFO] [stdout] | [INFO] [stdout] 55 | pub(crate) fn from_multipart(multipart: zeromq::ZmqMessage, connection: &Connection) -> JupyterResult { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stdout] = note: for more information, see issue #123748 [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `errors::JupyterError: From` will fail [INFO] [stdout] --> src/jupyter_message/mod.rs:57:112 [INFO] [stdout] | [INFO] [stdout] 57 | multipart.iter().position(|part| &part[..] == DELIMITER).ok_or_else(|| panic!("Missing delimeter"))?; [INFO] [stdout] | ^ [INFO] [stdout] = note: `#[warn(dependency_on_unit_never_type_fallback)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `restart` is never read [INFO] [stdout] --> src/jupyter_message/shutdown.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct ShutdownReply { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 10 | /// return true if restart, or false if finally shutdown [INFO] [stdout] 11 | pub restart: bool, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ShutdownReply` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.26s [INFO] running `Command { std: "docker" "inspect" "9406abf84eeee30d0ea92b1dd38ece9da84a1cc27a1544c2d8ea628fdc72e2a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9406abf84eeee30d0ea92b1dd38ece9da84a1cc27a1544c2d8ea628fdc72e2a2", kill_on_drop: false }` [INFO] [stdout] 9406abf84eeee30d0ea92b1dd38ece9da84a1cc27a1544c2d8ea628fdc72e2a2