[INFO] fetching crate penguincrab 0.1.63... [INFO] checking penguincrab-0.1.63 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] extracting crate penguincrab 0.1.63 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate penguincrab 0.1.63 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 penguincrab 0.1.63 [INFO] finished tweaking crates.io crate penguincrab 0.1.63 [INFO] tweaked toml for crates.io crate penguincrab 0.1.63 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.6.0) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding nix v0.25.1 (latest: v0.29.0) [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] ffe4cada11737ceec7cbcce08df377acce1aa8523b73dbeb4321a6abb8b19941 [INFO] running `Command { std: "docker" "start" "-a" "ffe4cada11737ceec7cbcce08df377acce1aa8523b73dbeb4321a6abb8b19941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ffe4cada11737ceec7cbcce08df377acce1aa8523b73dbeb4321a6abb8b19941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffe4cada11737ceec7cbcce08df377acce1aa8523b73dbeb4321a6abb8b19941", kill_on_drop: false }` [INFO] [stdout] ffe4cada11737ceec7cbcce08df377acce1aa8523b73dbeb4321a6abb8b19941 [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] 48447e22243ff7306d92ca1c2980df35baac6a2e9870b96b67949647b784cf71 [INFO] running `Command { std: "docker" "start" "-a" "48447e22243ff7306d92ca1c2980df35baac6a2e9870b96b67949647b784cf71", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling libc v0.2.158 [INFO] [stderr] Compiling penguincrab v0.1.63 (/opt/rustwide/workdir) [INFO] [stderr] Checking more-asserts v0.3.1 [INFO] [stderr] Checking nix v0.25.1 [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lkl/syscall_wrappers.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use crate::lkl::lklh::consts::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `LKL_ITIMER_REAL` in the value namespace is first re-exported here [INFO] [stdout] ... [INFO] [stdout] 4 | pub use crate::lkl::lklh::syscall_nos::*; [INFO] [stdout] | -------------------------------- but the name `LKL_ITIMER_REAL` in the value namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lkl/syscall_wrappers.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use crate::lkl::lklh::consts::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `LKL_PERF_RECORD_MISC_MMAP_DATA` in the value namespace is first re-exported here [INFO] [stdout] 2 | pub use crate::lkl::lklh::lkl_specific::*; [INFO] [stdout] 3 | pub use crate::lkl::lklh::rest::*; [INFO] [stdout] | ------------------------- but the name `LKL_PERF_RECORD_MISC_MMAP_DATA` in the value namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lkl/syscall_wrappers.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use crate::lkl::lklh::consts::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `LKL_ITIMER_REAL` in the value namespace is first re-exported here [INFO] [stdout] ... [INFO] [stdout] 4 | pub use crate::lkl::lklh::syscall_nos::*; [INFO] [stdout] | -------------------------------- but the name `LKL_ITIMER_REAL` in the value namespace is also re-exported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_glob_reexports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous glob re-exports [INFO] [stdout] --> src/lkl/syscall_wrappers.rs:1:9 [INFO] [stdout] | [INFO] [stdout] 1 | pub use crate::lkl::lklh::consts::*; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the name `LKL_PERF_RECORD_MISC_MMAP_DATA` in the value namespace is first re-exported here [INFO] [stdout] 2 | pub use crate::lkl::lklh::lkl_specific::*; [INFO] [stdout] 3 | pub use crate::lkl::lklh::rest::*; [INFO] [stdout] | ------------------------- but the name `LKL_PERF_RECORD_MISC_MMAP_DATA` in the value namespace is also re-exported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | lkl_init(&lkl_host_ops); [INFO] [stdout] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 50 | lkl_init(addr_of!(lkl_host_ops)); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:52:30 [INFO] [stdout] | [INFO] [stdout] 52 | lkl_start_kernel(&lkl_host_ops, boot_arg); [INFO] [stdout] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 52 | lkl_start_kernel(addr_of!(lkl_host_ops), boot_arg); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:50:15 [INFO] [stdout] | [INFO] [stdout] 50 | lkl_init(&lkl_host_ops); [INFO] [stdout] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 50 | lkl_init(addr_of!(lkl_host_ops)); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static is discouraged [INFO] [stdout] --> src/lib.rs:52:30 [INFO] [stdout] | [INFO] [stdout] 52 | lkl_start_kernel(&lkl_host_ops, boot_arg); [INFO] [stdout] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see issue #114447 [INFO] [stdout] = note: this will be a hard error in the 2024 edition [INFO] [stdout] = note: this shared reference has lifetime `'static`, but if the static ever gets mutated, or a mutable reference is created, then any further use of this shared reference is Undefined Behavior [INFO] [stdout] help: use `addr_of!` instead to create a raw pointer [INFO] [stdout] | [INFO] [stdout] 52 | lkl_start_kernel(addr_of!(lkl_host_ops), boot_arg); [INFO] [stdout] | ~~~~~~~~~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `setup_test` is never used [INFO] [stdout] --> src/lib.rs:172:4 [INFO] [stdout] | [INFO] [stdout] 172 | fn setup_test() -> LklSetup { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` 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/lib.rs:135:12 [INFO] [stdout] | [INFO] [stdout] 20 | Err(e) => { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | Ok(k) => k.into_raw_fd(), [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 135 | Ok(LklSetup { [INFO] [stdout] | ____________^ [INFO] [stdout] 136 | | disk: disk, [INFO] [stdout] 137 | | partition: partition, [INFO] [stdout] 138 | | disk_id: disk_id, [INFO] [stdout] 139 | | mount_point: mount_point.to_owned(), [INFO] [stdout] 140 | | file: file, [INFO] [stdout] 141 | | }) [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: 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:135:12 [INFO] [stdout] | [INFO] [stdout] 20 | Err(e) => { [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 23 | Ok(k) => k.into_raw_fd(), [INFO] [stdout] | - these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 135 | Ok(LklSetup { [INFO] [stdout] | ____________^ [INFO] [stdout] 136 | | disk: disk, [INFO] [stdout] 137 | | partition: partition, [INFO] [stdout] 138 | | disk_id: disk_id, [INFO] [stdout] 139 | | mount_point: mount_point.to_owned(), [INFO] [stdout] 140 | | file: file, [INFO] [stdout] 141 | | }) [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; 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `penguincrab` (lib) 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 `penguincrab` (lib test) due to 2 previous errors; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "48447e22243ff7306d92ca1c2980df35baac6a2e9870b96b67949647b784cf71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48447e22243ff7306d92ca1c2980df35baac6a2e9870b96b67949647b784cf71", kill_on_drop: false }` [INFO] [stdout] 48447e22243ff7306d92ca1c2980df35baac6a2e9870b96b67949647b784cf71