[INFO] fetching crate alexcrichton-cranelift-codegen 0.53.0... [INFO] checking alexcrichton-cranelift-codegen-0.53.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate alexcrichton-cranelift-codegen 0.53.0 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-codegen 0.53.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate alexcrichton-cranelift-codegen 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-codegen 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-codegen 0.53.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 30 packages [INFO] [stderr] Adding ahash v0.2.19 (latest: v0.8.11) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding hashbrown v0.6.3 (latest: v0.14.3) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4e48976fdd77604894d5ba27e3e73fd3f750c13a34f5e105fdd1c3ecad9dcf6 [INFO] running `Command { std: "docker" "start" "-a" "e4e48976fdd77604894d5ba27e3e73fd3f750c13a34f5e105fdd1c3ecad9dcf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4e48976fdd77604894d5ba27e3e73fd3f750c13a34f5e105fdd1c3ecad9dcf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4e48976fdd77604894d5ba27e3e73fd3f750c13a34f5e105fdd1c3ecad9dcf6", kill_on_drop: false }` [INFO] [stdout] e4e48976fdd77604894d5ba27e3e73fd3f750c13a34f5e105fdd1c3ecad9dcf6 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 958b7ce1c3c0ea0be95c091dda08c3f2dd502222cb97d1bb3e612540d4ca63e1 [INFO] running `Command { std: "docker" "start" "-a" "958b7ce1c3c0ea0be95c091dda08c3f2dd502222cb97d1bb3e612540d4ca63e1", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking smallvec v1.13.2 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `ControlFlowGraph` is imported redundantly [INFO] [stdout] --> src/dominator_tree.rs:626:9 [INFO] [stdout] | [INFO] [stdout] 624 | use super::*; [INFO] [stdout] | -------- the item `ControlFlowGraph` is already imported here [INFO] [stdout] 625 | use crate::cursor::{Cursor, FuncCursor}; [INFO] [stdout] 626 | use crate::flowgraph::ControlFlowGraph; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/dominator_tree.rs:628:21 [INFO] [stdout] | [INFO] [stdout] 624 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] ... [INFO] [stdout] 628 | use crate::ir::{Function, InstBuilder, TrapCode}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/flowgraph.rs:216:28 [INFO] [stdout] | [INFO] [stdout] 214 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] 215 | use crate::cursor::{Cursor, FuncCursor}; [INFO] [stdout] 216 | use crate::ir::{types, Function, InstBuilder}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `types` is imported redundantly [INFO] [stdout] --> src/ir/dfg.rs:1107:9 [INFO] [stdout] | [INFO] [stdout] 1105 | use super::*; [INFO] [stdout] | -------- the item `types` is already imported here [INFO] [stdout] 1106 | use crate::cursor::{Cursor, FuncCursor}; [INFO] [stdout] 1107 | use crate::ir::types; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `InstructionData` is imported redundantly [INFO] [stdout] --> src/ir/dfg.rs:1108:31 [INFO] [stdout] | [INFO] [stdout] 1105 | use super::*; [INFO] [stdout] | -------- the item `InstructionData` is already imported here [INFO] [stdout] ... [INFO] [stdout] 1108 | use crate::ir::{Function, InstructionData, Opcode, TrapCode}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `u32` is imported redundantly [INFO] [stdout] --> src/ir/entities.rs:459:9 [INFO] [stdout] | [INFO] [stdout] 457 | use super::*; [INFO] [stdout] | -------- the item `u32` is already imported here [INFO] [stdout] 458 | use alloc::string::ToString; [INFO] [stdout] 459 | use core::u32; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Display` is imported redundantly [INFO] [stdout] --> src/ir/immediates.rs:832:9 [INFO] [stdout] | [INFO] [stdout] 830 | use super::*; [INFO] [stdout] | -------- the item `Display` is already imported here [INFO] [stdout] 831 | use alloc::string::ToString; [INFO] [stdout] 832 | use core::fmt::Display; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `FromStr` is imported redundantly [INFO] [stdout] --> src/ir/immediates.rs:834:9 [INFO] [stdout] | [INFO] [stdout] 830 | use super::*; [INFO] [stdout] | -------- the item `FromStr` is already imported here [INFO] [stdout] ... [INFO] [stdout] 834 | use core::str::FromStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/ir/layout.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | use core::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/ir/layout.rs:12:32 [INFO] [stdout] | [INFO] [stdout] 12 | use core::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `EntityRef` is imported redundantly [INFO] [stdout] --> src/ir/progpoint.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 148 | use super::*; [INFO] [stdout] | -------- the item `EntityRef` is already imported here [INFO] [stdout] 149 | use crate::entity::EntityRef; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Ebb` is imported redundantly [INFO] [stdout] --> src/ir/progpoint.rs:150:21 [INFO] [stdout] | [INFO] [stdout] 148 | use super::*; [INFO] [stdout] | -------- the item `Ebb` is already imported here [INFO] [stdout] 149 | use crate::entity::EntityRef; [INFO] [stdout] 150 | use crate::ir::{Ebb, Inst}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Inst` is imported redundantly [INFO] [stdout] --> src/ir/progpoint.rs:150:26 [INFO] [stdout] | [INFO] [stdout] 148 | use super::*; [INFO] [stdout] | -------- the item `Inst` is already imported here [INFO] [stdout] 149 | use crate::entity::EntityRef; [INFO] [stdout] 150 | use crate::ir::{Ebb, Inst}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/ir/types.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RegUnit` is imported redundantly [INFO] [stdout] --> src/isa/x86/registers.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | use super::*; [INFO] [stdout] | -------- the item `RegUnit` is already imported here [INFO] [stdout] 10 | use crate::isa::RegUnit; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `CallConv` is imported redundantly [INFO] [stdout] --> src/isa/x86/unwind.rs:278:30 [INFO] [stdout] | [INFO] [stdout] 275 | use super::*; [INFO] [stdout] | -------- the item `CallConv` is already imported here [INFO] [stdout] ... [INFO] [stdout] 278 | use crate::isa::{lookup, CallConv}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `AbiParam` is imported redundantly [INFO] [stdout] --> src/abi.rs:194:9 [INFO] [stdout] | [INFO] [stdout] 192 | use super::*; [INFO] [stdout] | -------- the item `AbiParam` is already imported here [INFO] [stdout] 193 | use crate::ir::types; [INFO] [stdout] 194 | use crate::ir::AbiParam; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/bitset.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | use core::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/bitset.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use core::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/fx.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/regalloc/register_set.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `RegClass` is imported redundantly [INFO] [stdout] --> src/regalloc/register_set.rs:257:33 [INFO] [stdout] | [INFO] [stdout] 256 | use super::*; [INFO] [stdout] | -------- the item `RegClass` is already imported here [INFO] [stdout] 257 | use crate::isa::registers::{RegClass, RegClassData}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/regalloc/virtregs.rs:405:9 [INFO] [stdout] | [INFO] [stdout] 403 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] 404 | use crate::entity::EntityRef; [INFO] [stdout] 405 | use crate::ir::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Value` is imported redundantly [INFO] [stdout] --> src/regalloc/diversion.rs:292:9 [INFO] [stdout] | [INFO] [stdout] 290 | use super::*; [INFO] [stdout] | -------- the item `Value` is already imported here [INFO] [stdout] 291 | use crate::entity::EntityRef; [INFO] [stdout] 292 | use crate::ir::Value; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/regalloc/pressure.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::safepoint::emit_stackmaps` [INFO] [stdout] --> src/regalloc/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use self::safepoint::emit_stackmaps; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `DominatorTree` is imported redundantly [INFO] [stdout] --> src/topo_order.rs:95:9 [INFO] [stdout] | [INFO] [stdout] 93 | use super::*; [INFO] [stdout] | -------- the item `DominatorTree` is already imported here [INFO] [stdout] 94 | use crate::cursor::{Cursor, FuncCursor}; [INFO] [stdout] 95 | use crate::dominator_tree::DominatorTree; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/value_label.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use core::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/ir/layout.rs:12:18 [INFO] [stdout] | [INFO] [stdout] 12 | use core::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/ir/layout.rs:12:32 [INFO] [stdout] | [INFO] [stdout] 12 | use core::iter::{IntoIterator, Iterator}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/ir/types.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/bitset.rs:8:21 [INFO] [stdout] | [INFO] [stdout] 8 | use core::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Into` is imported redundantly [INFO] [stdout] --> src/bitset.rs:8:27 [INFO] [stdout] | [INFO] [stdout] 8 | use core::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Into` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Default` is imported redundantly [INFO] [stdout] --> src/fx.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use core::default::Default; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Default` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/regalloc/register_set.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `ExactSizeIterator` is imported redundantly [INFO] [stdout] --> src/regalloc/pressure.rs:43:5 [INFO] [stdout] | [INFO] [stdout] 43 | use core::iter::ExactSizeIterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `ExactSizeIterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self::safepoint::emit_stackmaps` [INFO] [stdout] --> src/regalloc/mod.rs:26:9 [INFO] [stdout] | [INFO] [stdout] 26 | pub use self::safepoint::emit_stackmaps; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/value_label.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use core::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:47:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/isa/x86/abi.rs:711:13 [INFO] [stdout] | [INFO] [stdout] 711 | let mut cfa_state = cfa_state [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/isa/x86/abi.rs:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | let mut cfa_state = cfa_state [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/isa/x86/abi.rs:711:13 [INFO] [stdout] | [INFO] [stdout] 711 | let mut cfa_state = cfa_state [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/isa/x86/abi.rs:736:17 [INFO] [stdout] | [INFO] [stdout] 736 | let mut cfa_state = cfa_state [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/verifier/mod.rs:2018:32 [INFO] [stdout] | [INFO] [stdout] 2018 | panic!(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 2019 | | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | | message, $msg [INFO] [stdout] 2021 | | )); [INFO] [stdout] | |_________________________^ [INFO] [stdout] ... [INFO] [stdout] 2065 | assert_err_with_msg!(errors, "instruction format"); [INFO] [stdout] | -------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this warning originates in the macro `assert_err_with_msg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 2018 ~ panic!( [INFO] [stdout] 2019 | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | message, $msg [INFO] [stdout] 2021 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/verifier/mod.rs:2018:32 [INFO] [stdout] | [INFO] [stdout] 2018 | panic!(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 2019 | | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | | message, $msg [INFO] [stdout] 2021 | | )); [INFO] [stdout] | |_________________________^ [INFO] [stdout] ... [INFO] [stdout] 2078 | assert_err_with_msg!(errors, "Parameter at position 0 has an invalid type"); [INFO] [stdout] | --------------------------------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: this warning originates in the macro `assert_err_with_msg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 2018 ~ panic!( [INFO] [stdout] 2019 | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | message, $msg [INFO] [stdout] 2021 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/verifier/mod.rs:2018:32 [INFO] [stdout] | [INFO] [stdout] 2018 | panic!(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 2019 | | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | | message, $msg [INFO] [stdout] 2021 | | )); [INFO] [stdout] | |_________________________^ [INFO] [stdout] ... [INFO] [stdout] 2091 | assert_err_with_msg!(errors, "Return value at position 0 has an invalid type"); [INFO] [stdout] | ------------------------------------------------------------------------------ in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: this warning originates in the macro `assert_err_with_msg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 2018 ~ panic!( [INFO] [stdout] 2019 | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | message, $msg [INFO] [stdout] 2021 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/verifier/mod.rs:2018:32 [INFO] [stdout] | [INFO] [stdout] 2018 | panic!(format!( [INFO] [stdout] | ________________________________^ [INFO] [stdout] 2019 | | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | | message, $msg [INFO] [stdout] 2021 | | )); [INFO] [stdout] | |_________________________^ [INFO] [stdout] ... [INFO] [stdout] 2135 | assert_err_with_msg!(errors, "ebb0 cannot be empty"); [INFO] [stdout] | ---------------------------------------------------- in this macro invocation [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: the `panic!()` macro supports formatting, so there's no need for the `format!()` macro here [INFO] [stdout] = note: this warning originates in the macro `assert_err_with_msg` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] help: remove the `format!(..)` macro call [INFO] [stdout] | [INFO] [stdout] 2018 ~ panic!( [INFO] [stdout] 2019 | "'{}' did not contain the substring '{}'", [INFO] [stdout] 2020 | message, $msg [INFO] [stdout] 2021 ~ ); [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 34 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.09s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "958b7ce1c3c0ea0be95c091dda08c3f2dd502222cb97d1bb3e612540d4ca63e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "958b7ce1c3c0ea0be95c091dda08c3f2dd502222cb97d1bb3e612540d4ca63e1", kill_on_drop: false }` [INFO] [stdout] 958b7ce1c3c0ea0be95c091dda08c3f2dd502222cb97d1bb3e612540d4ca63e1