[INFO] cloning repository https://github.com/Jwaffled/jvm-r [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Jwaffled/jvm-r" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJwaffled%2Fjvm-r", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJwaffled%2Fjvm-r'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b2abd5d833aae465dbc54e16720c592e501a3a53 [INFO] checking Jwaffled/jvm-r/b2abd5d833aae465dbc54e16720c592e501a3a53 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%2FJwaffled%2Fjvm-r" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Jwaffled/jvm-r 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/Jwaffled/jvm-r [INFO] finished tweaking git repo https://github.com/Jwaffled/jvm-r [INFO] tweaked toml for git repo https://github.com/Jwaffled/jvm-r written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Jwaffled/jvm-r 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 4f9d0997783e734f97ef9bedea4a657c2e06415ee67df3cf60918201421e9b2c [INFO] running `Command { std: "docker" "start" "-a" "4f9d0997783e734f97ef9bedea4a657c2e06415ee67df3cf60918201421e9b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4f9d0997783e734f97ef9bedea4a657c2e06415ee67df3cf60918201421e9b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f9d0997783e734f97ef9bedea4a657c2e06415ee67df3cf60918201421e9b2c", kill_on_drop: false }` [INFO] [stdout] 4f9d0997783e734f97ef9bedea4a657c2e06415ee67df3cf60918201421e9b2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1be10d617ea9f3991866b3f7f3bf5ddfdc7672c720b3a17d500dfeb98ed3eb5f [INFO] running `Command { std: "docker" "start" "-a" "1be10d617ea9f3991866b3f7f3bf5ddfdc7672c720b3a17d500dfeb98ed3eb5f", kill_on_drop: false }` [INFO] [stderr] Compiling hashbrown v0.14.2 [INFO] [stderr] Compiling toml_datetime v0.6.5 [INFO] [stderr] Compiling winnow v0.5.17 [INFO] [stderr] Compiling once_cell v1.18.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking bitflags v2.4.1 [INFO] [stderr] Compiling indexmap v2.0.2 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling num_enum_derive v0.7.0 [INFO] [stderr] Checking num_enum v0.7.0 [INFO] [stderr] Checking jvm-r v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `JVM` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct JVM<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClassLoader` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct ClassLoader {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Runtime` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Runtime<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/vm/jvm.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl<'a> Runtime<'a> { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 20 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interpreter` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Interpreter {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ConstantPool` is never used [INFO] [stdout] --> src/vm/jvm.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | type ConstantPool = Vec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StackFrame` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct StackFrame<'a> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `JValue` is never used [INFO] [stdout] --> src/vm/jvm.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | enum JValue { [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/reader.rs:261:18 [INFO] [stdout] | [INFO] [stdout] 259 | let file = File::open(path).expect("Error opening file"); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 260 | Self { [INFO] [stdout] 261 | buf: BufReader::new(file), [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; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jvm-r` (bin "jvm-r" test) due to 2 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: struct `JVM` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct JVM<'a> { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `ClassLoader` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct ClassLoader {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Runtime` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Runtime<'a> { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/vm/jvm.rs:20:12 [INFO] [stdout] | [INFO] [stdout] 19 | impl<'a> Runtime<'a> { [INFO] [stdout] | -------------------- associated function in this implementation [INFO] [stdout] 20 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Interpreter` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | struct Interpreter {} [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias `ConstantPool` is never used [INFO] [stdout] --> src/vm/jvm.rs:30:6 [INFO] [stdout] | [INFO] [stdout] 30 | type ConstantPool = Vec; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `StackFrame` is never constructed [INFO] [stdout] --> src/vm/jvm.rs:32:8 [INFO] [stdout] | [INFO] [stdout] 32 | struct StackFrame<'a> { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `JValue` is never used [INFO] [stdout] --> src/vm/jvm.rs:38:6 [INFO] [stdout] | [INFO] [stdout] 38 | enum JValue { [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/reader.rs:261:18 [INFO] [stdout] | [INFO] [stdout] 259 | let file = File::open(path).expect("Error opening file"); [INFO] [stdout] | ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 260 | Self { [INFO] [stdout] 261 | buf: BufReader::new(file), [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; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jvm-r` (bin "jvm-r") due to 2 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "1be10d617ea9f3991866b3f7f3bf5ddfdc7672c720b3a17d500dfeb98ed3eb5f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1be10d617ea9f3991866b3f7f3bf5ddfdc7672c720b3a17d500dfeb98ed3eb5f", kill_on_drop: false }` [INFO] [stdout] 1be10d617ea9f3991866b3f7f3bf5ddfdc7672c720b3a17d500dfeb98ed3eb5f