[INFO] cloning repository https://github.com/caoimhebyrne/CaoRVM [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/caoimhebyrne/CaoRVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaoimhebyrne%2FCaoRVM", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcaoimhebyrne%2FCaoRVM'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 38d0fd9a14bc8d193b44fe3195f8bb527ce77304 [INFO] checking caoimhebyrne/CaoRVM/38d0fd9a14bc8d193b44fe3195f8bb527ce77304 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%2Fcaoimhebyrne%2FCaoRVM" "/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/caoimhebyrne/CaoRVM 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/caoimhebyrne/CaoRVM [INFO] finished tweaking git repo https://github.com/caoimhebyrne/CaoRVM [INFO] tweaked toml for git repo https://github.com/caoimhebyrne/CaoRVM written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/caoimhebyrne/CaoRVM 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] d92ab61860056901ebf41ef14a1ec36e6029c91c299192e030c12db79ac1b545 [INFO] running `Command { std: "docker" "start" "-a" "d92ab61860056901ebf41ef14a1ec36e6029c91c299192e030c12db79ac1b545", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d92ab61860056901ebf41ef14a1ec36e6029c91c299192e030c12db79ac1b545", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d92ab61860056901ebf41ef14a1ec36e6029c91c299192e030c12db79ac1b545", kill_on_drop: false }` [INFO] [stdout] d92ab61860056901ebf41ef14a1ec36e6029c91c299192e030c12db79ac1b545 [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] 540e24b33fa17424a7457d120d8c385308626d3d257b7c7ac1fa2e4b96c34283 [INFO] running `Command { std: "docker" "start" "-a" "540e24b33fa17424a7457d120d8c385308626d3d257b7c7ac1fa2e4b96c34283", kill_on_drop: false }` [INFO] [stderr] Checking jvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `reference_type`, `class`, and `name_and_type` are never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 81 | pub struct ReferenceConstant { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 82 | reference_type: ReferenceType, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 83 | [INFO] [stdout] 84 | class: ConstantPoolReference, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 85 | name_and_type: ConstantPoolReference, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReferenceConstant` 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] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 112 | pub struct ClassConstant { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 113 | name: ConstantPoolReference, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClassConstant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `descriptor` are never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct NameAndTypeConstant { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 131 | name: ConstantPoolReference, [INFO] [stdout] | ^^^^ [INFO] [stdout] 132 | descriptor: ConstantPoolReference, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NameAndTypeConstant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct UTF8Constant { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 153 | data: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UTF8Constant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `string` is never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct StringConstant { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 172 | string: ConstantPoolReference, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StringConstant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/class_parser/mod.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | let mut constant_pool = vec![]; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(ClassFile { [INFO] [stdout] | ____________^ [INFO] [stdout] 39 | | magic, [INFO] [stdout] 40 | | minor_version, [INFO] [stdout] 41 | | major_version, [INFO] [stdout] ... | [INFO] [stdout] 45 | | super_class, [INFO] [stdout] 46 | | }) [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: fields `reference_type`, `class`, and `name_and_type` are never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:82:5 [INFO] [stdout] | [INFO] [stdout] 81 | pub struct ReferenceConstant { [INFO] [stdout] | ----------------- fields in this struct [INFO] [stdout] 82 | reference_type: ReferenceType, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 83 | [INFO] [stdout] 84 | class: ConstantPoolReference, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 85 | name_and_type: ConstantPoolReference, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ReferenceConstant` 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] [INFO] [stdout] [INFO] [stdout] warning: field `name` is never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 112 | pub struct ClassConstant { [INFO] [stdout] | ------------- field in this struct [INFO] [stdout] 113 | name: ConstantPoolReference, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ClassConstant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `descriptor` are never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:131:5 [INFO] [stdout] | [INFO] [stdout] 130 | pub struct NameAndTypeConstant { [INFO] [stdout] | ------------------- fields in this struct [INFO] [stdout] 131 | name: ConstantPoolReference, [INFO] [stdout] | ^^^^ [INFO] [stdout] 132 | descriptor: ConstantPoolReference, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `NameAndTypeConstant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `data` is never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:153:5 [INFO] [stdout] | [INFO] [stdout] 152 | pub struct UTF8Constant { [INFO] [stdout] | ------------ field in this struct [INFO] [stdout] 153 | data: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UTF8Constant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `string` is never read [INFO] [stdout] --> src/class_parser/constant_pool.rs:172:5 [INFO] [stdout] | [INFO] [stdout] 171 | pub struct StringConstant { [INFO] [stdout] | -------------- field in this struct [INFO] [stdout] 172 | string: ConstantPoolReference, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `StringConstant` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [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/class_parser/mod.rs:38:12 [INFO] [stdout] | [INFO] [stdout] 28 | let mut constant_pool = vec![]; [INFO] [stdout] | ------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 38 | Ok(ClassFile { [INFO] [stdout] | ____________^ [INFO] [stdout] 39 | | magic, [INFO] [stdout] 40 | | minor_version, [INFO] [stdout] 41 | | major_version, [INFO] [stdout] ... | [INFO] [stdout] 45 | | super_class, [INFO] [stdout] 46 | | }) [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; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jvm` (bin "jvm" test) due to 2 previous errors; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `jvm` (bin "jvm") due to 2 previous errors; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "540e24b33fa17424a7457d120d8c385308626d3d257b7c7ac1fa2e4b96c34283", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "540e24b33fa17424a7457d120d8c385308626d3d257b7c7ac1fa2e4b96c34283", kill_on_drop: false }` [INFO] [stdout] 540e24b33fa17424a7457d120d8c385308626d3d257b7c7ac1fa2e4b96c34283