[INFO] fetching crate the_lang 0.0.1... [INFO] checking the_lang-0.0.1 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate the_lang 0.0.1 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate the_lang 0.0.1 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate the_lang 0.0.1 [INFO] finished tweaking crates.io crate the_lang 0.0.1 [INFO] tweaked toml for crates.io crate the_lang 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 73a6fd1b958bab2a3632aff96e9545b37cecca014ec389c82bfa9bb6971c0b26 [INFO] running `Command { std: "docker" "start" "-a" "73a6fd1b958bab2a3632aff96e9545b37cecca014ec389c82bfa9bb6971c0b26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "73a6fd1b958bab2a3632aff96e9545b37cecca014ec389c82bfa9bb6971c0b26", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73a6fd1b958bab2a3632aff96e9545b37cecca014ec389c82bfa9bb6971c0b26", kill_on_drop: false }` [INFO] [stdout] 73a6fd1b958bab2a3632aff96e9545b37cecca014ec389c82bfa9bb6971c0b26 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1018616022d4a0f790bcb4a0a1ad12a4e8d30ba8ac06f42121c366a02d9b6065 [INFO] running `Command { std: "docker" "start" "-a" "1018616022d4a0f790bcb4a0a1ad12a4e8d30ba8ac06f42121c366a02d9b6065", kill_on_drop: false }` [INFO] [stderr] Checking the_lang v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:47:43 [INFO] [stdout] | [INFO] [stdout] 47 | pub struct _lua_data_unpack_function (Box, _lua_debug_loc) -> _lua_data>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 | pub struct _lua_data_unpack_function (Box, _lua_debug_loc) -> _lua_data>); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:205:27 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn _lua_lambda(f: Box, _lua_debug_loc) -> _lua_data>) -> _lua_data { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 205 | pub fn _lua_lambda(f: Box, _lua_debug_loc) -> _lua_data>) -> _lua_data { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:50:26 [INFO] [stdout] | [INFO] [stdout] 50 | let sel: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 50 | let sel: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:56:26 [INFO] [stdout] | [INFO] [stdout] 56 | let sel: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 56 | let sel: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:57:28 [INFO] [stdout] | [INFO] [stdout] 57 | let other: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*other.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 57 | let other: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*other.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | let sel: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 64 | let sel: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:116:32 [INFO] [stdout] | [INFO] [stdout] 116 | let p: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*x.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 116 | let p: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*x.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:47:43 [INFO] [stdout] | [INFO] [stdout] 47 | pub struct _lua_data_unpack_function (Box, _lua_debug_loc) -> _lua_data>); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 47 | pub struct _lua_data_unpack_function (Box, _lua_debug_loc) -> _lua_data>); [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:205:27 [INFO] [stdout] | [INFO] [stdout] 205 | pub fn _lua_lambda(f: Box, _lua_debug_loc) -> _lua_data>) -> _lua_data { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 205 | pub fn _lua_lambda(f: Box, _lua_debug_loc) -> _lua_data>) -> _lua_data { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:50:26 [INFO] [stdout] | [INFO] [stdout] 50 | let sel: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 50 | let sel: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:56:26 [INFO] [stdout] | [INFO] [stdout] 56 | let sel: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 56 | let sel: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:57:28 [INFO] [stdout] | [INFO] [stdout] 57 | let other: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*other.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 57 | let other: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*other.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:64:26 [INFO] [stdout] | [INFO] [stdout] 64 | let sel: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 64 | let sel: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*self.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lang.rs:116:32 [INFO] [stdout] | [INFO] [stdout] 116 | let p: *const (Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*x.0; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 116 | let p: *const (dyn Fn(Vec<_lua_data>, _lua_debug_loc) -> _lua_data) = &*x.0; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lang.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | sel == other [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 58 | std::ptr::addr_eq(sel, other) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/lang.rs:58:9 [INFO] [stdout] | [INFO] [stdout] 58 | sel == other [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ambiguous_wide_pointer_comparisons)]` on by default [INFO] [stdout] help: use `std::ptr::addr_eq` or untyped pointers to only compare their addresses [INFO] [stdout] | [INFO] [stdout] 58 | std::ptr::addr_eq(sel, other) [INFO] [stdout] | ++++++++++++++++++ ~ + [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.24s [INFO] running `Command { std: "docker" "inspect" "1018616022d4a0f790bcb4a0a1ad12a4e8d30ba8ac06f42121c366a02d9b6065", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1018616022d4a0f790bcb4a0a1ad12a4e8d30ba8ac06f42121c366a02d9b6065", kill_on_drop: false }` [INFO] [stdout] 1018616022d4a0f790bcb4a0a1ad12a4e8d30ba8ac06f42121c366a02d9b6065