[INFO] fetching crate near-vm-compiler-singlepass 0.17.0... [INFO] checking near-vm-compiler-singlepass-0.17.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate near-vm-compiler-singlepass 0.17.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate near-vm-compiler-singlepass 0.17.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate near-vm-compiler-singlepass 0.17.0 [INFO] finished tweaking crates.io crate near-vm-compiler-singlepass 0.17.0 [INFO] tweaked toml for crates.io crate near-vm-compiler-singlepass 0.17.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 110 packages [INFO] [stderr] Adding ahash v0.7.8 (latest: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding bytecheck v0.6.12 (latest: v0.7.0) [INFO] [stderr] Adding bytecheck_derive v0.6.12 (latest: v0.7.0) [INFO] [stderr] Adding dynasm v1.2.3 (latest: v2.0.0) [INFO] [stderr] Adding dynasmrt v1.2.3 (latest: v2.0.0) [INFO] [stderr] Adding finite-wasm v0.4.0 (latest: v0.5.0) [INFO] [stderr] Adding hashbrown v0.11.2 (latest: v0.14.3) [INFO] [stderr] Adding hashbrown v0.12.3 (latest: v0.14.3) [INFO] [stderr] Adding heck v0.4.1 (latest: v0.5.0) [INFO] [stderr] Adding indexmap v1.9.3 (latest: v2.2.6) [INFO] [stderr] Adding memmap2 v0.5.10 (latest: v0.9.4) [INFO] [stderr] Adding memoffset v0.6.5 (latest: v0.9.1) [INFO] [stderr] Adding more-asserts v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding near-vm-compiler v0.17.0 (latest: v0.21.2) [INFO] [stderr] Adding near-vm-types v0.17.0 (latest: v0.21.2) [INFO] [stderr] Adding near-vm-vm v0.17.0 (latest: v0.21.2) [INFO] [stderr] Adding object v0.32.2 (latest: v0.34.0) [INFO] [stderr] Adding ptr_meta v0.1.4 (latest: v0.2.0) [INFO] [stderr] Adding ptr_meta_derive v0.1.4 (latest: v0.2.0) [INFO] [stderr] Adding radium v0.7.0 (latest: v1.1.0) [INFO] [stderr] Adding strum v0.24.1 (latest: v0.26.2) [INFO] [stderr] Adding strum_macros v0.24.3 (latest: v0.26.2) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding wasmparser v0.99.0 (latest: v0.202.0) [INFO] [stderr] Adding wasmparser v0.104.0 (latest: v0.202.0) [INFO] [stderr] Adding wasmprinter v0.2.56 (latest: v0.202.0) [INFO] [stderr] Adding wyz v0.5.1 (latest: v0.6.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded dynasm v1.2.3 [INFO] [stderr] Downloaded near-vm-compiler v0.17.0 [INFO] [stderr] Downloaded wasmparser v0.104.0 [INFO] [stderr] Downloaded dynasmrt v1.2.3 [INFO] [stderr] Downloaded wasmprinter v0.2.56 [INFO] [stderr] Downloaded prefix-sum-vec v0.1.2 [INFO] [stderr] Downloaded region v3.0.2 [INFO] [stderr] Downloaded wasmparser v0.99.0 [INFO] [stderr] Downloaded near-vm-types v0.17.0 [INFO] [stderr] Downloaded near-vm-vm v0.17.0 [INFO] [stderr] Downloaded finite-wasm v0.4.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1e1a14b74e43a218e76dc5f5b9715ed2aeed6ab5e870f2f449b4b5e9dd67d8fa [INFO] running `Command { std: "docker" "start" "-a" "1e1a14b74e43a218e76dc5f5b9715ed2aeed6ab5e870f2f449b4b5e9dd67d8fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1e1a14b74e43a218e76dc5f5b9715ed2aeed6ab5e870f2f449b4b5e9dd67d8fa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1e1a14b74e43a218e76dc5f5b9715ed2aeed6ab5e870f2f449b4b5e9dd67d8fa", kill_on_drop: false }` [INFO] [stdout] 1e1a14b74e43a218e76dc5f5b9715ed2aeed6ab5e870f2f449b4b5e9dd67d8fa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 856ad50bfc5647d1db389d46d0eb271557aa573b40596f3622c3e3f6a013e46e [INFO] running `Command { std: "docker" "start" "-a" "856ad50bfc5647d1db389d46d0eb271557aa573b40596f3622c3e3f6a013e46e", kill_on_drop: false }` [INFO] [stderr] Compiling radium v0.7.0 [INFO] [stderr] Checking ahash v0.7.8 [INFO] [stderr] Compiling darling_core v0.20.8 [INFO] [stderr] Compiling ptr_meta_derive v0.1.4 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Compiling rkyv v0.7.44 [INFO] [stderr] Compiling rkyv_derive v0.7.44 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Checking wyz v0.5.1 [INFO] [stderr] Checking hashbrown v0.12.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking funty v2.0.0 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking adler v1.0.2 [INFO] [stderr] Checking gimli v0.28.1 [INFO] [stderr] Checking miniz_oxide v0.7.2 [INFO] [stderr] Checking object v0.32.2 [INFO] [stderr] Checking indexmap v1.9.3 [INFO] [stderr] Checking ptr_meta v0.1.4 [INFO] [stderr] Compiling near-vm-vm v0.17.0 [INFO] [stderr] Checking bitvec v1.0.1 [INFO] [stderr] Compiling target-lexicon v0.12.14 [INFO] [stderr] Checking wasmparser v0.104.0 [INFO] [stderr] Checking prefix-sum-vec v0.1.2 [INFO] [stderr] Checking dissimilar v1.0.7 [INFO] [stderr] Checking rustc-demangle v0.1.23 [INFO] [stderr] Checking region v3.0.2 [INFO] [stderr] Checking wasmparser v0.99.0 [INFO] [stderr] Checking more-asserts v0.2.2 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling dynasm v1.2.3 [INFO] [stderr] Checking addr2line v0.21.0 [INFO] [stderr] Compiling strum_macros v0.24.3 [INFO] [stderr] Compiling darling_macro v0.20.8 [INFO] [stderr] Checking memmap2 v0.5.10 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking wasmprinter v0.2.56 [INFO] [stderr] Compiling darling v0.20.8 [INFO] [stderr] Compiling enumset_derive v0.8.1 [INFO] [stderr] Checking strum v0.24.1 [INFO] [stderr] Checking near-vm-types v0.17.0 [INFO] [stderr] Checking finite-wasm v0.4.0 [INFO] [stderr] Checking enumset v1.1.3 [INFO] [stderr] Checking near-vm-compiler v0.17.0 [INFO] [stderr] Checking dynasmrt v1.2.3 [INFO] [stderr] Checking near-vm-compiler-singlepass v0.17.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/codegen_x64.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/machine.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/codegen_x64.rs:24:5 [INFO] [stdout] | [INFO] [stdout] 24 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/machine.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/codegen_x64.rs:4959:21 [INFO] [stdout] | [INFO] [stdout] 4959 | let mut frame = self.control_stack.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/codegen_x64.rs:4959:21 [INFO] [stdout] | [INFO] [stdout] 4959 | let mut frame = self.control_stack.last_mut().unwrap(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/emitter_x64.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub(crate) trait Emitter { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 88 | fn emit_u64(&mut self, x: u64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn emit_nop(&mut self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn emit_cmovae_gpr_32(&mut self, src: GPR, dst: GPR); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn emit_vcmpordss(&mut self, src1: XMM, src2: XMMOrMemory, dst: XMM); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 181 | fn emit_vcmpordsd(&mut self, src1: XMM, src2: XMMOrMemory, dst: XMM); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 216 | fn emit_ud2(&mut self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 217 | fn emit_ret(&mut self); [INFO] [stdout] 218 | fn emit_call_label(&mut self, label: Self::Label); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn emit_bkpt(&mut self); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 316 | fn arch_emit_entry_trampoline(&mut self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple methods are never used [INFO] [stdout] --> src/emitter_x64.rs:88:8 [INFO] [stdout] | [INFO] [stdout] 78 | pub(crate) trait Emitter { [INFO] [stdout] | ------- methods in this trait [INFO] [stdout] ... [INFO] [stdout] 88 | fn emit_u64(&mut self, x: u64); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 93 | fn emit_nop(&mut self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn emit_cmovae_gpr_32(&mut self, src: GPR, dst: GPR); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 180 | fn emit_vcmpordss(&mut self, src1: XMM, src2: XMMOrMemory, dst: XMM); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] 181 | fn emit_vcmpordsd(&mut self, src1: XMM, src2: XMMOrMemory, dst: XMM); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 216 | fn emit_ud2(&mut self); [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 217 | fn emit_ret(&mut self); [INFO] [stdout] 218 | fn emit_call_label(&mut self, label: Self::Label); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 223 | fn emit_bkpt(&mut self); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 316 | fn arch_emit_entry_trampoline(&mut self) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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 13.75s [INFO] running `Command { std: "docker" "inspect" "856ad50bfc5647d1db389d46d0eb271557aa573b40596f3622c3e3f6a013e46e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "856ad50bfc5647d1db389d46d0eb271557aa573b40596f3622c3e3f6a013e46e", kill_on_drop: false }` [INFO] [stdout] 856ad50bfc5647d1db389d46d0eb271557aa573b40596f3622c3e3f6a013e46e