[INFO] cloning repository https://github.com/RubbishCollection/keycap [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/RubbishCollection/keycap" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRubbishCollection%2Fkeycap", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRubbishCollection%2Fkeycap'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 3a2eb02b6742b8ea4467cb9409395d64eed1ce3b [INFO] checking RubbishCollection/keycap/3a2eb02b6742b8ea4467cb9409395d64eed1ce3b against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRubbishCollection%2Fkeycap" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/RubbishCollection/keycap 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 git repo https://github.com/RubbishCollection/keycap [INFO] finished tweaking git repo https://github.com/RubbishCollection/keycap [INFO] tweaked toml for git repo https://github.com/RubbishCollection/keycap written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/RubbishCollection/keycap 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 2225658319d030473556b5899c93391ce223a22ab213681591da8d0179fb58c5 [INFO] running `Command { std: "docker" "start" "-a" "2225658319d030473556b5899c93391ce223a22ab213681591da8d0179fb58c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2225658319d030473556b5899c93391ce223a22ab213681591da8d0179fb58c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2225658319d030473556b5899c93391ce223a22ab213681591da8d0179fb58c5", kill_on_drop: false }` [INFO] [stdout] 2225658319d030473556b5899c93391ce223a22ab213681591da8d0179fb58c5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 36492485236b42170178951b04e5f9ca9fa9a2d59416698af8dff0c7734d5755 [INFO] running `Command { std: "docker" "start" "-a" "36492485236b42170178951b04e5f9ca9fa9a2d59416698af8dff0c7734d5755", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.117 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking instant v0.1.12 [INFO] [stderr] Compiling pkg-config v0.3.24 [INFO] [stderr] Compiling futures-util v0.3.21 [INFO] [stderr] Compiling indexmap v1.8.0 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking tracing-core v0.1.22 [INFO] [stderr] Compiling native-tls v0.2.8 [INFO] [stderr] Compiling async-trait v0.1.52 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Checking match_cfg v0.1.0 [INFO] [stderr] Checking want v0.3.0 [INFO] [stderr] Checking linked-hash-map v0.5.4 [INFO] [stderr] Checking ipnet v2.3.1 [INFO] [stderr] Checking data-encoding v2.3.2 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking lru-cache v0.1.2 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Checking tracing v0.1.30 [INFO] [stderr] Compiling openssl-sys v0.9.72 [INFO] [stderr] Checking mio v0.7.14 [INFO] [stderr] Checking signal-hook-registry v1.4.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.4 [INFO] [stderr] Checking hostname v0.3.1 [INFO] [stderr] Checking socket2 v0.4.4 [INFO] [stderr] Checking resolv-conf v0.7.0 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking parking_lot v0.11.2 [INFO] [stderr] Compiling openssl v0.10.38 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Compiling tokio-macros v1.7.0 [INFO] [stderr] Compiling thiserror-impl v1.0.30 [INFO] [stderr] Compiling enum-as-inner v0.3.3 [INFO] [stderr] Checking tokio v1.16.1 [INFO] [stderr] Checking thiserror v1.0.30 [INFO] [stderr] Checking tokio-util v0.6.9 [INFO] [stderr] Checking tokio-native-tls v0.3.0 [INFO] [stderr] Checking trust-dns-proto v0.20.4 [INFO] [stderr] Checking h2 v0.3.11 [INFO] [stderr] Checking trust-dns-resolver v0.20.4 [INFO] [stderr] Checking hyper v0.14.16 [INFO] [stderr] Checking hyper-tls v0.5.0 [INFO] [stderr] Checking keycap v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | stream_write.write(&buf[0..n]).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = stream_write.write(&buf[0..n]).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | remote_write.write(&buf[0..n]).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = remote_write.write(&buf[0..n]).await; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:55:13 [INFO] [stdout] | [INFO] [stdout] 55 | stream_write.write(&buf[0..n]).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 55 | let _ = stream_write.write(&buf[0..n]).await; [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/main.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 75 | loop { [INFO] [stdout] | _____^ - [INFO] [stdout] | |__________| [INFO] [stdout] 76 | || match listener.accept().await { [INFO] [stdout] 77 | || Ok((stream, _addr)) => { [INFO] [stdout] 78 | || handles.push(tokio::spawn(handle_connection(stream))); [INFO] [stdout] ... || [INFO] [stdout] 81 | || } [INFO] [stdout] 82 | || } [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] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:62:9 [INFO] [stdout] | [INFO] [stdout] 62 | remote_write.write(&buf[0..n]).await; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = remote_write.write(&buf[0..n]).await; [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/main.rs:75:5 [INFO] [stdout] | [INFO] [stdout] 75 | loop { [INFO] [stdout] | _____^ - [INFO] [stdout] | |__________| [INFO] [stdout] 76 | || match listener.accept().await { [INFO] [stdout] 77 | || Ok((stream, _addr)) => { [INFO] [stdout] 78 | || handles.push(tokio::spawn(handle_connection(stream))); [INFO] [stdout] ... || [INFO] [stdout] 81 | || } [INFO] [stdout] 82 | || } [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; 2 warnings emitted [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 `keycap` (bin "keycap") due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `keycap` (bin "keycap" test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "36492485236b42170178951b04e5f9ca9fa9a2d59416698af8dff0c7734d5755", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "36492485236b42170178951b04e5f9ca9fa9a2d59416698af8dff0c7734d5755", kill_on_drop: false }` [INFO] [stdout] 36492485236b42170178951b04e5f9ca9fa9a2d59416698af8dff0c7734d5755