[INFO] fetching crate s3d 0.0.1-alpha4... [INFO] checking s3d-0.0.1-alpha4 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate s3d 0.0.1-alpha4 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate s3d 0.0.1-alpha4 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate s3d 0.0.1-alpha4 [INFO] finished tweaking crates.io crate s3d 0.0.1-alpha4 [INFO] tweaked toml for crates.io crate s3d 0.0.1-alpha4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate s3d 0.0.1-alpha4 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4a9494f204795b9c7d1f139ab2781ae94d0acce419137dc2ce1dfe287c10790b [INFO] running `Command { std: "docker" "start" "-a" "4a9494f204795b9c7d1f139ab2781ae94d0acce419137dc2ce1dfe287c10790b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4a9494f204795b9c7d1f139ab2781ae94d0acce419137dc2ce1dfe287c10790b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a9494f204795b9c7d1f139ab2781ae94d0acce419137dc2ce1dfe287c10790b", kill_on_drop: false }` [INFO] [stdout] 4a9494f204795b9c7d1f139ab2781ae94d0acce419137dc2ce1dfe287c10790b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7b404ff8aa754106d772d2364d8058dfe48eb8398c1e7a5e6607019ee630772e [INFO] running `Command { std: "docker" "start" "-a" "7b404ff8aa754106d772d2364d8058dfe48eb8398c1e7a5e6607019ee630772e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling syn v1.0.77 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling futures-core v0.3.17 [INFO] [stderr] Compiling tokio v1.12.0 [INFO] [stderr] Compiling futures-task v0.3.17 [INFO] [stderr] Compiling futures-util v0.3.17 [INFO] [stderr] Checking log v0.4.14 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking smallvec v1.7.0 [INFO] [stderr] Checking pin-project-lite v0.2.7 [INFO] [stderr] Checking instant v0.1.11 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Compiling futures-channel v0.3.17 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Checking lock_api v0.4.5 [INFO] [stderr] Checking memchr v2.4.1 [INFO] [stderr] Compiling pkg-config v0.3.20 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling serde_json v1.0.68 [INFO] [stderr] Checking parking_lot_core v0.8.5 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling fuser v0.9.1 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Checking indexmap v1.7.0 [INFO] [stderr] Checking mio v0.7.13 [INFO] [stderr] Checking fnv v1.0.7 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Checking http v0.2.5 [INFO] [stderr] Checking tracing-core v0.1.21 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Compiling async-trait v0.1.51 [INFO] [stderr] Checking futures-sink v0.3.17 [INFO] [stderr] Checking tracing v0.1.28 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking slab v0.4.4 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Checking try-lock v0.2.3 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stderr] Checking http-body v0.4.3 [INFO] [stderr] Checking socket2 v0.4.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking users v0.11.0 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking page_size v0.4.2 [INFO] [stderr] Checking ryu v1.0.5 [INFO] [stderr] Checking httparse v1.5.1 [INFO] [stderr] Checking os_str_bytes v3.1.0 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking tower-service v0.3.1 [INFO] [stderr] Checking dtoa v0.4.8 [INFO] [stderr] Checking httpdate v1.0.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking uuid v0.8.2 [INFO] [stderr] Checking serde_yaml v0.8.21 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling tokio-macros v1.4.1 [INFO] [stderr] Compiling zerocopy-derive v0.3.0 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.4 [INFO] [stderr] Checking zerocopy v0.5.0 [INFO] [stderr] Checking clap v3.0.0-beta.4 [INFO] [stderr] Checking tokio-util v0.6.8 [INFO] [stderr] Checking h2 v0.3.6 [INFO] [stderr] Checking hyper v0.14.13 [INFO] [stderr] Checking s3d v0.0.1-alpha4 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | Cmd::Run(c) => Ok(run().await?), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | match cli.cmd { [INFO] [stdout] | _____^ - [INFO] [stdout] | |___________________| [INFO] [stdout] 48 | || Cmd::Run(c) => Ok(run().await?), [INFO] [stdout] 49 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `s3d` (bin "s3d" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:48:18 [INFO] [stdout] | [INFO] [stdout] 48 | Cmd::Run(c) => Ok(run().await?), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/main.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 47 | match cli.cmd { [INFO] [stdout] | _____^ - [INFO] [stdout] | |___________________| [INFO] [stdout] 48 | || Cmd::Run(c) => Ok(run().await?), [INFO] [stdout] 49 | || } [INFO] [stdout] | ||_____^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | |_____| [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; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `s3d` (bin "s3d") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "7b404ff8aa754106d772d2364d8058dfe48eb8398c1e7a5e6607019ee630772e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7b404ff8aa754106d772d2364d8058dfe48eb8398c1e7a5e6607019ee630772e", kill_on_drop: false }` [INFO] [stdout] 7b404ff8aa754106d772d2364d8058dfe48eb8398c1e7a5e6607019ee630772e