[INFO] cloning repository https://github.com/rahularya50/mylang-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rahularya50/mylang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahularya50%2Fmylang-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahularya50%2Fmylang-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21d5576df8205f3300d133745f603854b38b56ed [INFO] checking rahularya50/mylang-rs against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frahularya50%2Fmylang-rs" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rahularya50/mylang-rs on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] removed /workspace/builds/worker-7/source/rust-toolchain [INFO] started tweaking git repo https://github.com/rahularya50/mylang-rs [INFO] finished tweaking git repo https://github.com/rahularya50/mylang-rs [INFO] tweaked toml for git repo https://github.com/rahularya50/mylang-rs written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/rahularya50/mylang-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded textwrap v0.14.2 [INFO] [stderr] Downloaded clap_derive v3.0.0 [INFO] [stderr] Downloaded clap v3.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c84f825e3cf382e015b94f7ab39546ddc117cae378cce07403fa508010ebc933 [INFO] running `Command { std: "docker" "start" "-a" "c84f825e3cf382e015b94f7ab39546ddc117cae378cce07403fa508010ebc933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c84f825e3cf382e015b94f7ab39546ddc117cae378cce07403fa508010ebc933", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c84f825e3cf382e015b94f7ab39546ddc117cae378cce07403fa508010ebc933", kill_on_drop: false }` [INFO] [stdout] c84f825e3cf382e015b94f7ab39546ddc117cae378cce07403fa508010ebc933 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4e29faa055aeb41786792b1812144602ee37bcfd9ac7e5f0e14fefa1de55d304 [INFO] running `Command { std: "docker" "start" "-a" "4e29faa055aeb41786792b1812144602ee37bcfd9ac7e5f0e14fefa1de55d304", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.84 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.112 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Checking hashbrown v0.11.2 [INFO] [stderr] Compiling anyhow v1.0.52 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling quote v1.0.14 [INFO] [stderr] Checking os_str_bytes v6.0.0 [INFO] [stderr] Compiling clap_derive v3.0.0 [INFO] [stderr] Checking clap v3.0.0 [INFO] [stderr] Checking mylang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/backend/microcode/mod.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::Discriminant` [INFO] [stdout] --> src/backend/microcode/instructions.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::Discriminant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CfgConfig` [INFO] [stdout] --> src/backend/microcode/instructions.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | CfgConfig, Function, Instruction, SSABlock, SSAInstruction, SSAInstructionRHS, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instruction` [INFO] [stdout] --> src/ir/ssa_forms.rs:5:95 [INFO] [stdout] | [INFO] [stdout] 5 | use super::{FullBlock, RegisterLValue, VirtualRegister, VirtualRegisterLValue, WithRegisters, Instruction}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Ref` [INFO] [stdout] --> src/backend/microcode/mod.rs:1:17 [INFO] [stdout] | [INFO] [stdout] 1 | use std::cell::{Ref, RefCell}; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::mem::Discriminant` [INFO] [stdout] --> src/backend/microcode/instructions.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use std::mem::Discriminant; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `CfgConfig` [INFO] [stdout] --> src/backend/microcode/instructions.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | CfgConfig, Function, Instruction, SSABlock, SSAInstruction, SSAInstructionRHS, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Instruction` [INFO] [stdout] --> src/ir/ssa_forms.rs:5:95 [INFO] [stdout] | [INFO] [stdout] 5 | use super::{FullBlock, RegisterLValue, VirtualRegister, VirtualRegisterLValue, WithRegisters, Instruction}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Inc1`, `Inc4` and `Dec4` are never constructed [INFO] [stdout] --> src/backend/microcode/instructions.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum UnaryALUOperator { [INFO] [stdout] | ---------------- variants in this enum [INFO] [stdout] 16 | Copy, [INFO] [stdout] 17 | Inc1, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | Inc4, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | Dec1, [INFO] [stdout] 20 | Dec4, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `UnaryALUOperator` 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: variants `Slt`, `Sltu` and `Or` are never constructed [INFO] [stdout] --> src/backend/microcode/instructions.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub enum BinaryALUOperator { [INFO] [stdout] | ----------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 27 | Slt, [INFO] [stdout] | ^^^ [INFO] [stdout] 28 | Sltu, [INFO] [stdout] | ^^^^ [INFO] [stdout] 29 | And, [INFO] [stdout] 30 | Or, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `BinaryALUOperator` 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: variants `StoreMemory` and `StoreRegister` are never constructed [INFO] [stdout] --> src/backend/microcode/instructions.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub enum LoweredInstructionRHS { [INFO] [stdout] | --------------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 47 | StoreMemory { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | StoreRegister { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LoweredInstructionRHS` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lower_to_microcode` is never used [INFO] [stdout] --> src/backend/microcode/instructions.rs:268:4 [INFO] [stdout] | [INFO] [stdout] 268 | fn lower_to_microcode(_func: &SSABlock) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RegisterUse` is never used [INFO] [stdout] --> src/backend/microcode/lower.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum RegisterUse { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `union` is never used [INFO] [stdout] --> src/utils/union_find.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn union(&mut self, a: T, b: T) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Inc1`, `Inc4` and `Dec4` are never constructed [INFO] [stdout] --> src/backend/microcode/instructions.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum UnaryALUOperator { [INFO] [stdout] | ---------------- variants in this enum [INFO] [stdout] 16 | Copy, [INFO] [stdout] 17 | Inc1, [INFO] [stdout] | ^^^^ [INFO] [stdout] 18 | Inc4, [INFO] [stdout] | ^^^^ [INFO] [stdout] 19 | Dec1, [INFO] [stdout] 20 | Dec4, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] = note: `UnaryALUOperator` 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: variants `Slt`, `Sltu` and `Or` are never constructed [INFO] [stdout] --> src/backend/microcode/instructions.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 24 | pub enum BinaryALUOperator { [INFO] [stdout] | ----------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 27 | Slt, [INFO] [stdout] | ^^^ [INFO] [stdout] 28 | Sltu, [INFO] [stdout] | ^^^^ [INFO] [stdout] 29 | And, [INFO] [stdout] 30 | Or, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `BinaryALUOperator` 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: variants `StoreMemory` and `StoreRegister` are never constructed [INFO] [stdout] --> src/backend/microcode/instructions.rs:47:5 [INFO] [stdout] | [INFO] [stdout] 35 | pub enum LoweredInstructionRHS { [INFO] [stdout] | --------------------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 47 | StoreMemory { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | StoreRegister { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `LoweredInstructionRHS` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `lower_to_microcode` is never used [INFO] [stdout] --> src/backend/microcode/instructions.rs:268:4 [INFO] [stdout] | [INFO] [stdout] 268 | fn lower_to_microcode(_func: &SSABlock) {} [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `RegisterUse` is never used [INFO] [stdout] --> src/backend/microcode/lower.rs:10:6 [INFO] [stdout] | [INFO] [stdout] 10 | enum RegisterUse { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `union` is never used [INFO] [stdout] --> src/utils/union_find.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 48 | pub fn union(&mut self, a: T, b: T) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.17s [INFO] running `Command { std: "docker" "inspect" "4e29faa055aeb41786792b1812144602ee37bcfd9ac7e5f0e14fefa1de55d304", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e29faa055aeb41786792b1812144602ee37bcfd9ac7e5f0e14fefa1de55d304", kill_on_drop: false }` [INFO] [stdout] 4e29faa055aeb41786792b1812144602ee37bcfd9ac7e5f0e14fefa1de55d304