[INFO] fetching crate mini-telnet 0.1.8... [INFO] checking mini-telnet-0.1.8 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate mini-telnet 0.1.8 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate mini-telnet 0.1.8 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 mini-telnet 0.1.8 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate mini-telnet 0.1.8 [INFO] tweaked toml for crates.io crate mini-telnet 0.1.8 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] crate crates.io crate mini-telnet 0.1.8 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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] eeee2c68bc29e0769a4641ee120eefb56676853a8dd5e77ed9bacc85f8981ebf [INFO] running `Command { std: "docker" "start" "-a" "eeee2c68bc29e0769a4641ee120eefb56676853a8dd5e77ed9bacc85f8981ebf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eeee2c68bc29e0769a4641ee120eefb56676853a8dd5e77ed9bacc85f8981ebf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eeee2c68bc29e0769a4641ee120eefb56676853a8dd5e77ed9bacc85f8981ebf", kill_on_drop: false }` [INFO] [stdout] eeee2c68bc29e0769a4641ee120eefb56676853a8dd5e77ed9bacc85f8981ebf [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ae86de931683eed5bde14c88d4f97c00bfe7cba8d647dfbabfea446782f763df [INFO] running `Command { std: "docker" "start" "-a" "ae86de931683eed5bde14c88d4f97c00bfe7cba8d647dfbabfea446782f763df", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.89 [INFO] [stderr] Compiling libc v0.2.121 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling futures-core v0.3.21 [INFO] [stderr] Checking pin-project-lite v0.2.8 [INFO] [stderr] Checking encoding_index_tests v0.1.4 [INFO] [stderr] Compiling futures-task v0.3.21 [INFO] [stderr] Compiling log v0.4.16 [INFO] [stderr] Compiling futures-channel v0.3.21 [INFO] [stderr] Checking futures-sink v0.3.21 [INFO] [stderr] Compiling parking_lot_core v0.9.1 [INFO] [stderr] Checking smallvec v1.8.0 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Checking slab v0.4.5 [INFO] [stderr] Checking futures-io v0.3.21 [INFO] [stderr] Checking tracing-core v0.1.26 [INFO] [stderr] Checking lock_api v0.4.6 [INFO] [stderr] Checking bytes v1.1.0 [INFO] [stderr] Checking once_cell v1.10.0 [INFO] [stderr] Checking encoding-index-singlebyte v1.20141219.5 [INFO] [stderr] Checking encoding-index-japanese v1.20141219.5 [INFO] [stderr] Checking encoding-index-tradchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-simpchinese v1.20141219.5 [INFO] [stderr] Checking encoding-index-korean v1.20141219.5 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking encoding v0.2.33 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking mio v0.8.2 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking parking_lot v0.12.0 [INFO] [stderr] Checking regex v1.5.5 [INFO] [stderr] Compiling futures-macro v0.3.21 [INFO] [stderr] Compiling tracing-attributes v0.1.20 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Checking tokio v1.17.0 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tracing v0.1.34 [INFO] [stderr] Checking futures-executor v0.3.21 [INFO] [stderr] Checking futures v0.3.21 [INFO] [stderr] Checking tokio-util v0.7.1 [INFO] [stderr] Checking mini-telnet v0.1.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/codec.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | SE(u8), [INFO] [stdout] | -- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 | SE(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/codec.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | SB(u8), [INFO] [stdout] | -- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 24 | SB(()), [INFO] [stdout] | ~~ [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/lib.rs:362:12 [INFO] [stdout] | [INFO] [stdout] 361 | let color_re = Regex::new(r"\[\d{2,3}m")?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 362 | Ok(Self { color_re }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mini-telnet` (lib) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/codec.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | SE(u8), [INFO] [stdout] | -- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 23 | SE(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/codec.rs:24:8 [INFO] [stdout] | [INFO] [stdout] 24 | SB(u8), [INFO] [stdout] | -- ^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Item` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 24 | SB(()), [INFO] [stdout] | ~~ [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/lib.rs:362:12 [INFO] [stdout] | [INFO] [stdout] 361 | let color_re = Regex::new(r"\[\d{2,3}m")?; [INFO] [stdout] | -------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 362 | Ok(Self { color_re }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ these values have significant drop implementation and will observe changes in drop order under Edition 2024 [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; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mini-telnet` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ae86de931683eed5bde14c88d4f97c00bfe7cba8d647dfbabfea446782f763df", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ae86de931683eed5bde14c88d4f97c00bfe7cba8d647dfbabfea446782f763df", kill_on_drop: false }` [INFO] [stdout] ae86de931683eed5bde14c88d4f97c00bfe7cba8d647dfbabfea446782f763df