[INFO] fetching crate go-vm 0.1.5... [INFO] checking go-vm-0.1.5 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864 [INFO] extracting crate go-vm 0.1.5 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate go-vm 0.1.5 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 go-vm 0.1.5 [INFO] finished tweaking crates.io crate go-vm 0.1.5 [INFO] tweaked toml for crates.io crate go-vm 0.1.5 written to /workspace/builds/worker-6-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] Updating crates.io index [INFO] [stderr] Locking 50 packages to latest compatible versions [INFO] [stderr] Adding async-channel v1.9.0 (available: v2.3.1) [INFO] [stderr] Adding borsh v0.10.4 (available: v1.5.1) [INFO] [stderr] Adding borsh-derive v0.10.4 (available: v1.5.1) [INFO] [stderr] Adding event-listener v2.5.3 (available: v5.3.1) [INFO] [stderr] Adding fastrand v1.9.0 (available: v2.1.1) [INFO] [stderr] Adding futures-lite v1.13.0 (available: v2.3.0) [INFO] [stderr] Adding hashbrown v0.13.2 (available: v0.14.5) [INFO] [stderr] Adding ordered-float v3.9.2 (available: v4.3.0) [INFO] [stderr] Adding proc-macro-crate v0.1.5 (available: v3.2.0) [INFO] [stderr] Adding syn v1.0.109 (available: v2.0.77) [INFO] [stderr] Adding time v0.1.45 (available: v0.3.36) [INFO] [stderr] Adding toml v0.5.11 (available: v0.8.19) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3afa7f6217bc2bf75930a4ba7a93fc37c89f26aa760527af006e3f8813ac0ef1 [INFO] running `Command { std: "docker" "start" "-a" "3afa7f6217bc2bf75930a4ba7a93fc37c89f26aa760527af006e3f8813ac0ef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3afa7f6217bc2bf75930a4ba7a93fc37c89f26aa760527af006e3f8813ac0ef1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3afa7f6217bc2bf75930a4ba7a93fc37c89f26aa760527af006e3f8813ac0ef1", kill_on_drop: false }` [INFO] [stdout] 3afa7f6217bc2bf75930a4ba7a93fc37c89f26aa760527af006e3f8813ac0ef1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 0df59170773b6add65b3752e997a3d9055eeca6c082ceb96299775e442abbacf [INFO] running `Command { std: "docker" "start" "-a" "0df59170773b6add65b3752e997a3d9055eeca6c082ceb96299775e442abbacf", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking go-parser v0.1.5 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking time-test v0.2.3 [INFO] [stderr] Checking ordered-float v3.9.2 [INFO] [stderr] Compiling go-pmacro v0.1.5 [INFO] [stderr] Checking go-vm v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/ffi.rs:156:86 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn slice_as_primitive_slice<'b, C, D>(val: &'b GosValue) -> RuntimeResult> [INFO] [stdout] | -- lifetime `'b` declared here ^ this elided lifetime gets resolved as `'b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/ffi.rs:173:72 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn array_as_primitive_slice<'b, C, D>(val: &'b GosValue) -> Ref<[D]> [INFO] [stdout] | -- lifetime `'b` declared here ^ this elided lifetime gets resolved as `'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/ffi.rs:156:86 [INFO] [stdout] | [INFO] [stdout] 156 | pub fn slice_as_primitive_slice<'b, C, D>(val: &'b GosValue) -> RuntimeResult> [INFO] [stdout] | -- lifetime `'b` declared here ^ this elided lifetime gets resolved as `'b` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(elided_named_lifetimes)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: elided lifetime has a name [INFO] [stdout] --> src/ffi.rs:173:72 [INFO] [stdout] | [INFO] [stdout] 173 | pub fn array_as_primitive_slice<'b, C, D>(val: &'b GosValue) -> Ref<[D]> [INFO] [stdout] | -- lifetime `'b` declared here ^ this elided lifetime gets resolved as `'b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `array_len` is never used [INFO] [stdout] --> src/dispatcher.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) trait Dispatcher { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 38 | fn array_len(&self, val: &GosValue) -> usize; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/objects.rs:1053:45 [INFO] [stdout] | [INFO] [stdout] 1053 | (Self::Ffi(x), Self::Ffi(y)) => Rc::as_ptr(&x.ffi_obj).cmp(&Rc::as_ptr(&y.ffi_obj)), [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] 1053 | (Self::Ffi(x), Self::Ffi(y)) => Rc::as_ptr(&x.ffi_obj).cast::<()>().cmp(&Rc::as_ptr(&y.ffi_obj).cast::<()>()), [INFO] [stdout] | +++++++++++++ +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `array_len` is never used [INFO] [stdout] --> src/dispatcher.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub(crate) trait Dispatcher { [INFO] [stdout] | ---------- method in this trait [INFO] [stdout] ... [INFO] [stdout] 38 | fn array_len(&self, val: &GosValue) -> usize; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: ambiguous wide pointer comparison, the comparison includes metadata which may not be expected [INFO] [stdout] --> src/objects.rs:1053:45 [INFO] [stdout] | [INFO] [stdout] 1053 | (Self::Ffi(x), Self::Ffi(y)) => Rc::as_ptr(&x.ffi_obj).cmp(&Rc::as_ptr(&y.ffi_obj)), [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] 1053 | (Self::Ffi(x), Self::Ffi(y)) => Rc::as_ptr(&x.ffi_obj).cast::<()>().cmp(&Rc::as_ptr(&y.ffi_obj).cast::<()>()), [INFO] [stdout] | +++++++++++++ +++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.69s [INFO] running `Command { std: "docker" "inspect" "0df59170773b6add65b3752e997a3d9055eeca6c082ceb96299775e442abbacf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0df59170773b6add65b3752e997a3d9055eeca6c082ceb96299775e442abbacf", kill_on_drop: false }` [INFO] [stdout] 0df59170773b6add65b3752e997a3d9055eeca6c082ceb96299775e442abbacf