[INFO] fetching crate linera-wasmer-compiler-singlepass 4.4.0-linera.7...
[INFO] testing linera-wasmer-compiler-singlepass-4.4.0-linera.7 against 1.91.0 for beta-1.92-2
[INFO] extracting crate linera-wasmer-compiler-singlepass 4.4.0-linera.7 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate linera-wasmer-compiler-singlepass 4.4.0-linera.7
[INFO] finished tweaking crates.io crate linera-wasmer-compiler-singlepass 4.4.0-linera.7
[INFO] tweaked toml for crates.io crate linera-wasmer-compiler-singlepass 4.4.0-linera.7 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate linera-wasmer-compiler-singlepass 4.4.0-linera.7 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 135 packages to latest compatible versions
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[INFO] [stderr]       Adding wasmer-types v4.4.0 (available: v6.1.0)
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
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[INFO] [stderr]    Compiling linera-wasmer-compiler-singlepass v4.4.0-linera.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable-serde`
[INFO] [stdout]    --> src/unwind_winx64.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `avx`, `core`, `default`, `gimli`, `hashbrown`, `rayon`, `sse`, `std`, `unwind`, and `wasm`
[INFO] [stdout]     = help: consider adding `enable-serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/common_decl.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MachineStateDiff {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub stack_push: Vec<MachineValue>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub stack_pop: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub reg_diff: Vec<(RegisterIndex, MachineValue)>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub prev_frame_diff: BTreeMap<usize, Option<MachineValue>>, // None for removal
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub wasm_stack_push: Vec<WasmAbstractValue>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub wasm_stack_pop: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub wasm_inst_offset: usize, // absolute value; not a diff.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MachineStateDiff` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `initial`, `locals`, `shadow_size`, `wasm_function_header_target_offset`, and `loop_offsets` are never read
[INFO] [stdout]    --> src/common_decl.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout]  86 | pub struct FunctionStateMap {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout]  87 |     /// Initial.
[INFO] [stdout]  88 |     pub initial: MachineState,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub locals: Vec<WasmAbstractValue>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]  93 |     /// Shadow size.
[INFO] [stdout]  94 |     pub shadow_size: usize, // for single-pass backend, 32 bytes on x86-64
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub wasm_function_header_target_offset: Option<SuspendOffset>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub loop_offsets: BTreeMap<usize, OffsetInfo>, /* suspend_offset -> info */
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionStateMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/common_decl.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Call(usize),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 123 -     Call(usize),
[INFO] [stdout] 123 +     Call(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/common_decl.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |     Trappable(usize),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 125 -     Trappable(usize),
[INFO] [stdout] 125 +     Trappable(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end_offset`, `diff_id`, and `activate_offset` are never read
[INFO] [stdout]    --> src/common_decl.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct OffsetInfo {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 131 |     /// Exclusive range-end offset.
[INFO] [stdout] 132 |     pub end_offset: usize,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 133 |     /// Index pointing to the `MachineStateDiff` entry.
[INFO] [stdout] 134 |     pub diff_id: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 135 |     /// Offset at which execution can be continued.
[INFO] [stdout] 136 |     pub activate_offset: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OffsetInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/emitter_arm64.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait EmitterARM64 {
[INFO] [stdout]     |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn get_jmp_instr_size(&self) -> u8;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn emit_strdb(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn emit_ldria(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn emit_movz(&mut self, reg: Location, val: u32) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 185 |     fn emit_movk(&mut self, reg: Location, val: u32, shift: u32) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     fn emit_subs(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn emit_csetm(&mut self, sz: Size, dst: Location, cond: Condition) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 336 |     fn emit_cinc(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     fn emit_tbnz_label(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 |     fn emit_brk(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/emitter_x64.rs:74:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub trait EmitterX64 {
[INFO] [stdout]     |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn emit_u64(&mut self, x: u64) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn emit_nop(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn emit_test(&mut self, sz: Size, src: Location, dst: Location) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn emit_cmovae_gpr_32(&mut self, src: GPR, dst: GPR) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn emit_vcmpordss(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn emit_vcmpordsd(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |     fn emit_ud2(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     fn emit_bkpt(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn arch_emit_entry_trampoline(&mut self) -> Result<(), CompileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |     fn arch_mov64_imm_offset(&self) -> Result<usize, CompileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_callee_save` and `is_reserved` are never used
[INFO] [stdout]   --> src/location.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Reg: Copy + Clone + Eq + PartialEq + Debug + Hash + Ord {
[INFO] [stdout]    |           --- methods in this trait
[INFO] [stdout] 42 |     fn is_callee_save(self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     fn is_reserved(self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Descriptor` is never used
[INFO] [stdout]   --> src/location.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait Descriptor<R: Reg, S: Reg> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CombinedRegister` is never used
[INFO] [stdout]   --> src/location.rs:68:11
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub trait CombinedRegister: Copy + Clone + Eq + PartialEq + Debug {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MaybeImmediate` is never used
[INFO] [stdout]   --> src/machine.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait MaybeImmediate {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | pub trait Machine {
[INFO] [stdout]     |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn mark_address_with_trap_code(&mut self, code: TrapCode);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     fn emit_call_label(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     fn emit_debug_breakpoint(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn location_address(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn location_and(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 |     fn location_sub(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     fn location_test(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 385 |     fn jmp_on_above(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     fn jmp_on_overflow(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.74s
[INFO] running `Command { std: "docker" "inspect" "913184a9b5937d334d31bb9691151f564e4103023e7e42122bc6a8e56ea34bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913184a9b5937d334d31bb9691151f564e4103023e7e42122bc6a8e56ea34bd4", kill_on_drop: false }`
[INFO] [stdout] 913184a9b5937d334d31bb9691151f564e4103023e7e42122bc6a8e56ea34bd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a624b1988196d3a4466ee6e3a792c6ce42175d0740debcb7f31f31a56b68864
[INFO] running `Command { std: "docker" "start" "-a" "6a624b1988196d3a4466ee6e3a792c6ce42175d0740debcb7f31f31a56b68864", kill_on_drop: false }`
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable-serde`
[INFO] [stdout]    --> src/unwind_winx64.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `avx`, `core`, `default`, `gimli`, `hashbrown`, `rayon`, `sse`, `std`, `unwind`, and `wasm`
[INFO] [stdout]     = help: consider adding `enable-serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/common_decl.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MachineStateDiff {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub stack_push: Vec<MachineValue>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub stack_pop: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub reg_diff: Vec<(RegisterIndex, MachineValue)>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub prev_frame_diff: BTreeMap<usize, Option<MachineValue>>, // None for removal
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub wasm_stack_push: Vec<WasmAbstractValue>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub wasm_stack_pop: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub wasm_inst_offset: usize, // absolute value; not a diff.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MachineStateDiff` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `initial`, `locals`, `shadow_size`, `wasm_function_header_target_offset`, and `loop_offsets` are never read
[INFO] [stdout]    --> src/common_decl.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout]  86 | pub struct FunctionStateMap {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout]  87 |     /// Initial.
[INFO] [stdout]  88 |     pub initial: MachineState,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub locals: Vec<WasmAbstractValue>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]  93 |     /// Shadow size.
[INFO] [stdout]  94 |     pub shadow_size: usize, // for single-pass backend, 32 bytes on x86-64
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub wasm_function_header_target_offset: Option<SuspendOffset>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub loop_offsets: BTreeMap<usize, OffsetInfo>, /* suspend_offset -> info */
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionStateMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/common_decl.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Call(usize),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 123 -     Call(usize),
[INFO] [stdout] 123 +     Call(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/common_decl.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |     Trappable(usize),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 125 -     Trappable(usize),
[INFO] [stdout] 125 +     Trappable(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end_offset`, `diff_id`, and `activate_offset` are never read
[INFO] [stdout]    --> src/common_decl.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct OffsetInfo {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 131 |     /// Exclusive range-end offset.
[INFO] [stdout] 132 |     pub end_offset: usize,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 133 |     /// Index pointing to the `MachineStateDiff` entry.
[INFO] [stdout] 134 |     pub diff_id: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 135 |     /// Offset at which execution can be continued.
[INFO] [stdout] 136 |     pub activate_offset: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OffsetInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/emitter_arm64.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait EmitterARM64 {
[INFO] [stdout]     |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn get_jmp_instr_size(&self) -> u8;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn emit_strdb(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn emit_ldria(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn emit_movz(&mut self, reg: Location, val: u32) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 185 |     fn emit_movk(&mut self, reg: Location, val: u32, shift: u32) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     fn emit_subs(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn emit_csetm(&mut self, sz: Size, dst: Location, cond: Condition) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 336 |     fn emit_cinc(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     fn emit_tbnz_label(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 |     fn emit_brk(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/emitter_x64.rs:74:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub trait EmitterX64 {
[INFO] [stdout]     |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn emit_u64(&mut self, x: u64) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn emit_nop(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn emit_test(&mut self, sz: Size, src: Location, dst: Location) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn emit_cmovae_gpr_32(&mut self, src: GPR, dst: GPR) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn emit_vcmpordss(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn emit_vcmpordsd(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |     fn emit_ud2(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     fn emit_bkpt(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn arch_emit_entry_trampoline(&mut self) -> Result<(), CompileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |     fn arch_mov64_imm_offset(&self) -> Result<usize, CompileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_callee_save` and `is_reserved` are never used
[INFO] [stdout]   --> src/location.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Reg: Copy + Clone + Eq + PartialEq + Debug + Hash + Ord {
[INFO] [stdout]    |           --- methods in this trait
[INFO] [stdout] 42 |     fn is_callee_save(self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     fn is_reserved(self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Descriptor` is never used
[INFO] [stdout]   --> src/location.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait Descriptor<R: Reg, S: Reg> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CombinedRegister` is never used
[INFO] [stdout]   --> src/location.rs:68:11
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub trait CombinedRegister: Copy + Clone + Eq + PartialEq + Debug {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MaybeImmediate` is never used
[INFO] [stdout]   --> src/machine.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait MaybeImmediate {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling linera-wasmer-compiler-singlepass v4.4.0-linera.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | pub trait Machine {
[INFO] [stdout]     |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn mark_address_with_trap_code(&mut self, code: TrapCode);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     fn emit_call_label(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     fn emit_debug_breakpoint(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn location_address(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn location_and(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 |     fn location_sub(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     fn location_test(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 385 |     fn jmp_on_above(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     fn jmp_on_overflow(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable-serde`
[INFO] [stdout]    --> src/unwind_winx64.rs:174:12
[INFO] [stdout]     |
[INFO] [stdout] 174 | #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `avx`, `core`, `default`, `gimli`, `hashbrown`, `rayon`, `sse`, `std`, `unwind`, and `wasm`
[INFO] [stdout]     = help: consider adding `enable-serde` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/common_decl.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MachineStateDiff {
[INFO] [stdout]    |            ---------------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 40 |     pub stack_push: Vec<MachineValue>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub stack_pop: usize,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub reg_diff: Vec<(RegisterIndex, MachineValue)>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub prev_frame_diff: BTreeMap<usize, Option<MachineValue>>, // None for removal
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub wasm_stack_push: Vec<WasmAbstractValue>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 55 |     pub wasm_stack_pop: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 58 |     pub wasm_inst_offset: usize, // absolute value; not a diff.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MachineStateDiff` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `initial`, `locals`, `shadow_size`, `wasm_function_header_target_offset`, and `loop_offsets` are never read
[INFO] [stdout]    --> src/common_decl.rs:88:9
[INFO] [stdout]     |
[INFO] [stdout]  86 | pub struct FunctionStateMap {
[INFO] [stdout]     |            ---------------- fields in this struct
[INFO] [stdout]  87 |     /// Initial.
[INFO] [stdout]  88 |     pub initial: MachineState,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  92 |     pub locals: Vec<WasmAbstractValue>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]  93 |     /// Shadow size.
[INFO] [stdout]  94 |     pub shadow_size: usize, // for single-pass backend, 32 bytes on x86-64
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub wasm_function_header_target_offset: Option<SuspendOffset>,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub loop_offsets: BTreeMap<usize, OffsetInfo>, /* suspend_offset -> info */
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `FunctionStateMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/common_decl.rs:123:10
[INFO] [stdout]     |
[INFO] [stdout] 123 |     Call(usize),
[INFO] [stdout]     |     ---- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 123 -     Call(usize),
[INFO] [stdout] 123 +     Call(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/common_decl.rs:125:15
[INFO] [stdout]     |
[INFO] [stdout] 125 |     Trappable(usize),
[INFO] [stdout]     |     --------- ^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 125 -     Trappable(usize),
[INFO] [stdout] 125 +     Trappable(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `end_offset`, `diff_id`, and `activate_offset` are never read
[INFO] [stdout]    --> src/common_decl.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 130 | pub struct OffsetInfo {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 131 |     /// Exclusive range-end offset.
[INFO] [stdout] 132 |     pub end_offset: usize,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 133 |     /// Index pointing to the `MachineStateDiff` entry.
[INFO] [stdout] 134 |     pub diff_id: usize,
[INFO] [stdout]     |         ^^^^^^^
[INFO] [stdout] 135 |     /// Offset at which execution can be continued.
[INFO] [stdout] 136 |     pub activate_offset: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `OffsetInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/emitter_arm64.rs:90:8
[INFO] [stdout]     |
[INFO] [stdout]  87 | pub trait EmitterARM64 {
[INFO] [stdout]     |           ------------ methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  90 |     fn get_jmp_instr_size(&self) -> u8;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn emit_strdb(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     fn emit_ldria(
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 184 |     fn emit_movz(&mut self, reg: Location, val: u32) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 185 |     fn emit_movk(&mut self, reg: Location, val: u32, shift: u32) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 217 |     fn emit_subs(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 335 |     fn emit_csetm(&mut self, sz: Size, dst: Location, cond: Condition) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 336 |     fn emit_cinc(
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     fn emit_tbnz_label(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 390 |     fn emit_brk(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/emitter_x64.rs:74:8
[INFO] [stdout]     |
[INFO] [stdout]  64 | pub trait EmitterX64 {
[INFO] [stdout]     |           ---------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout]  74 |     fn emit_u64(&mut self, x: u64) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     fn emit_nop(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     fn emit_test(&mut self, sz: Size, src: Location, dst: Location) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 147 |     fn emit_cmovae_gpr_32(&mut self, src: GPR, dst: GPR) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 219 |     fn emit_vcmpordss(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 225 |     fn emit_vcmpordsd(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 347 |     fn emit_ud2(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 355 |     fn emit_bkpt(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 461 |     fn arch_emit_entry_trampoline(&mut self) -> Result<(), CompileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 467 |     fn arch_mov64_imm_offset(&self) -> Result<usize, CompileError> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_callee_save` and `is_reserved` are never used
[INFO] [stdout]   --> src/location.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub trait Reg: Copy + Clone + Eq + PartialEq + Debug + Hash + Ord {
[INFO] [stdout]    |           --- methods in this trait
[INFO] [stdout] 42 |     fn is_callee_save(self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 43 |     fn is_reserved(self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Descriptor` is never used
[INFO] [stdout]   --> src/location.rs:50:11
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub trait Descriptor<R: Reg, S: Reg> {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `CombinedRegister` is never used
[INFO] [stdout]   --> src/location.rs:68:11
[INFO] [stdout]    |
[INFO] [stdout] 68 | pub trait CombinedRegister: Copy + Clone + Eq + PartialEq + Debug {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MaybeImmediate` is never used
[INFO] [stdout]   --> src/machine.rs:35:11
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub trait MaybeImmediate {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple methods are never used
[INFO] [stdout]    --> src/machine.rs:114:8
[INFO] [stdout]     |
[INFO] [stdout]  54 | pub trait Machine {
[INFO] [stdout]     |           ------- methods in this trait
[INFO] [stdout] ...
[INFO] [stdout] 114 |     fn mark_address_with_trap_code(&mut self, code: TrapCode);
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |     fn emit_call_label(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 298 |     fn emit_debug_breakpoint(&mut self) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 302 |     fn location_address(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 310 |     fn location_and(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 343 |     fn location_sub(
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 368 |     fn location_test(
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 385 |     fn jmp_on_above(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 394 |     fn jmp_on_overflow(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.08s
[INFO] running `Command { std: "docker" "inspect" "6a624b1988196d3a4466ee6e3a792c6ce42175d0740debcb7f31f31a56b68864", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a624b1988196d3a4466ee6e3a792c6ce42175d0740debcb7f31f31a56b68864", kill_on_drop: false }`
[INFO] [stdout] 6a624b1988196d3a4466ee6e3a792c6ce42175d0740debcb7f31f31a56b68864
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c7dee2748ac733d59258b0c2383d3a1ac30e9602b3afb4188b993621f8077dcc
[INFO] running `Command { std: "docker" "start" "-a" "c7dee2748ac733d59258b0c2383d3a1ac30e9602b3afb4188b993621f8077dcc", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition value: `enable-serde`
[INFO] [stderr]    --> src/unwind_winx64.rs:174:12
[INFO] [stderr]     |
[INFO] [stderr] 174 | #[cfg_attr(feature = "enable-serde", derive(Serialize, Deserialize))]
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: expected values for `feature` are: `avx`, `core`, `default`, `gimli`, `hashbrown`, `rayon`, `sse`, `std`, `unwind`, and `wasm`
[INFO] [stderr]     = help: consider adding `enable-serde` as a feature in `Cargo.toml`
[INFO] [stderr]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/common_decl.rs:40:9
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub struct MachineStateDiff {
[INFO] [stderr]    |            ---------------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 40 |     pub stack_push: Vec<MachineValue>,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 43 |     pub stack_pop: usize,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 46 |     pub reg_diff: Vec<(RegisterIndex, MachineValue)>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub prev_frame_diff: BTreeMap<usize, Option<MachineValue>>, // None for removal
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 52 |     pub wasm_stack_push: Vec<WasmAbstractValue>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 55 |     pub wasm_stack_pop: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 58 |     pub wasm_inst_offset: usize, // absolute value; not a diff.
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MachineStateDiff` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `initial`, `locals`, `shadow_size`, `wasm_function_header_target_offset`, and `loop_offsets` are never read
[INFO] [stderr]    --> src/common_decl.rs:88:9
[INFO] [stderr]     |
[INFO] [stderr]  86 | pub struct FunctionStateMap {
[INFO] [stderr]     |            ---------------- fields in this struct
[INFO] [stderr]  87 |     /// Initial.
[INFO] [stderr]  88 |     pub initial: MachineState,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  92 |     pub locals: Vec<WasmAbstractValue>,
[INFO] [stderr]     |         ^^^^^^
[INFO] [stderr]  93 |     /// Shadow size.
[INFO] [stderr]  94 |     pub shadow_size: usize, // for single-pass backend, 32 bytes on x86-64
[INFO] [stderr]     |         ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  98 |     pub wasm_function_header_target_offset: Option<SuspendOffset>,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 102 |     pub loop_offsets: BTreeMap<usize, OffsetInfo>, /* suspend_offset -> info */
[INFO] [stderr]     |         ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `FunctionStateMap` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/common_decl.rs:123:10
[INFO] [stderr]     |
[INFO] [stderr] 123 |     Call(usize),
[INFO] [stderr]     |     ---- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 123 -     Call(usize),
[INFO] [stderr] 123 +     Call(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/common_decl.rs:125:15
[INFO] [stderr]     |
[INFO] [stderr] 125 |     Trappable(usize),
[INFO] [stderr]     |     --------- ^^^^^
[INFO] [stderr]     |     |
[INFO] [stderr]     |     field in this variant
[INFO] [stderr]     |
[INFO] [stderr]     = note: `SuspendOffset` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]     |
[INFO] [stderr] 125 -     Trappable(usize),
[INFO] [stderr] 125 +     Trappable(()),
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: fields `end_offset`, `diff_id`, and `activate_offset` are never read
[INFO] [stderr]    --> src/common_decl.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 130 | pub struct OffsetInfo {
[INFO] [stderr]     |            ---------- fields in this struct
[INFO] [stderr] 131 |     /// Exclusive range-end offset.
[INFO] [stderr] 132 |     pub end_offset: usize,
[INFO] [stderr]     |         ^^^^^^^^^^
[INFO] [stderr] 133 |     /// Index pointing to the `MachineStateDiff` entry.
[INFO] [stderr] 134 |     pub diff_id: usize,
[INFO] [stderr]     |         ^^^^^^^
[INFO] [stderr] 135 |     /// Offset at which execution can be continued.
[INFO] [stderr] 136 |     pub activate_offset: usize,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `OffsetInfo` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/emitter_arm64.rs:90:8
[INFO] [stderr]     |
[INFO] [stderr]  87 | pub trait EmitterARM64 {
[INFO] [stderr]     |           ------------ methods in this trait
[INFO] [stderr] ...
[INFO] [stderr]  90 |     fn get_jmp_instr_size(&self) -> u8;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn emit_strdb(
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 124 |     fn emit_ldria(
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 184 |     fn emit_movz(&mut self, reg: Location, val: u32) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] 185 |     fn emit_movk(&mut self, reg: Location, val: u32, shift: u32) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 217 |     fn emit_subs(
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 335 |     fn emit_csetm(&mut self, sz: Size, dst: Location, cond: Condition) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr] 336 |     fn emit_cinc(
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 370 |     fn emit_tbnz_label(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 390 |     fn emit_brk(&mut self) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/emitter_x64.rs:74:8
[INFO] [stderr]     |
[INFO] [stderr]  64 | pub trait EmitterX64 {
[INFO] [stderr]     |           ---------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr]  74 |     fn emit_u64(&mut self, x: u64) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  79 |     fn emit_nop(&mut self) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 110 |     fn emit_test(&mut self, sz: Size, src: Location, dst: Location) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 147 |     fn emit_cmovae_gpr_32(&mut self, src: GPR, dst: GPR) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 219 |     fn emit_vcmpordss(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 225 |     fn emit_vcmpordsd(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 347 |     fn emit_ud2(&mut self) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 355 |     fn emit_bkpt(&mut self) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 461 |     fn arch_emit_entry_trampoline(&mut self) -> Result<(), CompileError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 467 |     fn arch_mov64_imm_offset(&self) -> Result<usize, CompileError> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_callee_save` and `is_reserved` are never used
[INFO] [stderr]   --> src/location.rs:42:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub trait Reg: Copy + Clone + Eq + PartialEq + Debug + Hash + Ord {
[INFO] [stderr]    |           --- methods in this trait
[INFO] [stderr] 42 |     fn is_callee_save(self) -> bool;
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr] 43 |     fn is_reserved(self) -> bool;
[INFO] [stderr]    |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Descriptor` is never used
[INFO] [stderr]   --> src/location.rs:50:11
[INFO] [stderr]    |
[INFO] [stderr] 50 | pub trait Descriptor<R: Reg, S: Reg> {
[INFO] [stderr]    |           ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `CombinedRegister` is never used
[INFO] [stderr]   --> src/location.rs:68:11
[INFO] [stderr]    |
[INFO] [stderr] 68 | pub trait CombinedRegister: Copy + Clone + Eq + PartialEq + Debug {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MaybeImmediate` is never used
[INFO] [stderr]   --> src/machine.rs:35:11
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub trait MaybeImmediate {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple methods are never used
[INFO] [stderr]    --> src/machine.rs:114:8
[INFO] [stderr]     |
[INFO] [stderr]  54 | pub trait Machine {
[INFO] [stderr]     |           ------- methods in this trait
[INFO] [stderr] ...
[INFO] [stderr] 114 |     fn mark_address_with_trap_code(&mut self, code: TrapCode);
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 279 |     fn emit_call_label(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 298 |     fn emit_debug_breakpoint(&mut self) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 302 |     fn location_address(
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 310 |     fn location_and(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 343 |     fn location_sub(
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 368 |     fn location_test(
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 385 |     fn jmp_on_above(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 394 |     fn jmp_on_overflow(&mut self, label: Label) -> Result<(), CompileError>;
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `linera-wasmer-compiler-singlepass` (lib) generated 13 warnings
[INFO] [stderr] warning: `linera-wasmer-compiler-singlepass` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/linera_wasmer_compiler_singlepass-5c2e6b69deb4323e)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test compiler::tests::errors_for_unsuported_cpufeatures ... ok
[INFO] [stdout] test compiler::tests::errors_for_unsupported_targets ... ok
[INFO] [stdout] test machine_x64::test::tests_sse42 ... ok
[INFO] [stdout] test machine_x64::test::tests_avx ... ok
[INFO] [stdout] test machine_arm64::test::tests_arm64 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests linera_wasmer_compiler_singlepass
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c7dee2748ac733d59258b0c2383d3a1ac30e9602b3afb4188b993621f8077dcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7dee2748ac733d59258b0c2383d3a1ac30e9602b3afb4188b993621f8077dcc", kill_on_drop: false }`
[INFO] [stdout] c7dee2748ac733d59258b0c2383d3a1ac30e9602b3afb4188b993621f8077dcc
