[INFO] cloning repository https://github.com/0x59616e/emacc [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0x59616e/emacc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x59616e%2Femacc", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x59616e%2Femacc'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] db3da94e3c8c226f4c2f2bd04953161643044c70 [INFO] checking 0x59616e/emacc/db3da94e3c8c226f4c2f2bd04953161643044c70 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x59616e%2Femacc" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/0x59616e/emacc on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/0x59616e/emacc [INFO] finished tweaking git repo https://github.com/0x59616e/emacc [INFO] tweaked toml for git repo https://github.com/0x59616e/emacc written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/0x59616e/emacc already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5455fef918087eff0d52dae305dda7aa271e2b27c475d7ef5a465fd3658d1b10 [INFO] running `Command { std: "docker" "start" "-a" "5455fef918087eff0d52dae305dda7aa271e2b27c475d7ef5a465fd3658d1b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5455fef918087eff0d52dae305dda7aa271e2b27c475d7ef5a465fd3658d1b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5455fef918087eff0d52dae305dda7aa271e2b27c475d7ef5a465fd3658d1b10", kill_on_drop: false }` [INFO] [stdout] 5455fef918087eff0d52dae305dda7aa271e2b27c475d7ef5a465fd3658d1b10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9bcbf34e8c79946577f4e06106837db516df3a511c8018d376f965ed3066ecf5 [INFO] running `Command { std: "docker" "start" "-a" "9bcbf34e8c79946577f4e06106837db516df3a511c8018d376f965ed3066ecf5", kill_on_drop: false }` [INFO] [stderr] Checking emacc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `ValueTy` and `Value` [INFO] [stdout] --> src/ir/ssavaluecounter.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | use super::value::{Value, ValueTy}; [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Const_I32` should have an upper camel case name [INFO] [stdout] --> src/ir/value.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | Const_I32(i32, DataTy), [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `ConstI32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Const_I1` should have an upper camel case name [INFO] [stdout] --> src/ir/value.rs:41:3 [INFO] [stdout] | [INFO] [stdout] 41 | Const_I1(bool, DataTy), [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `ConstI1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ValueTy` and `Value` [INFO] [stdout] --> src/ir/ssavaluecounter.rs:4:20 [INFO] [stdout] | [INFO] [stdout] 4 | use super::value::{Value, ValueTy}; [INFO] [stdout] | ^^^^^ ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Const_I32` should have an upper camel case name [INFO] [stdout] --> src/ir/value.rs:40:3 [INFO] [stdout] | [INFO] [stdout] 40 | Const_I32(i32, DataTy), [INFO] [stdout] | ^^^^^^^^^ help: convert the identifier to upper camel case: `ConstI32` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Const_I1` should have an upper camel case name [INFO] [stdout] --> src/ir/value.rs:41:3 [INFO] [stdout] | [INFO] [stdout] 41 | Const_I1(bool, DataTy), [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to upper camel case: `ConstI1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/codegen/liveinterval.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn merge(&mut self, mut li: &Rc>) { [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/liveinterval.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | let mut li1 = self.remove_live_interval(op1); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `kind` is never read [INFO] [stdout] --> src/lex.rs:86:11 [INFO] [stdout] | [INFO] [stdout] 86 | let mut kind = TokenKind::Useless; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/codegen/liveinterval.rs:51:27 [INFO] [stdout] | [INFO] [stdout] 51 | pub fn merge(&mut self, mut li: &Rc>) { [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/liveinterval.rs:223:9 [INFO] [stdout] | [INFO] [stdout] 223 | let mut li1 = self.remove_live_interval(op1); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `kind` is never read [INFO] [stdout] --> src/lex.rs:86:11 [INFO] [stdout] | [INFO] [stdout] 86 | let mut kind = TokenKind::Useless; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_root`, `get_pred`, and `remove_all_phi` are never used [INFO] [stdout] --> src/ir/basicblock.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 15 | impl BasicBlock { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn get_pred(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | pub fn remove_all_phi(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mi_ty` is never read [INFO] [stdout] --> src/ir/instruction.rs:45:3 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Instruction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | mi_ty: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_asm_ty` and `is_using` are never used [INFO] [stdout] --> src/ir/instruction.rs:54:10 [INFO] [stdout] | [INFO] [stdout] 53 | impl Instruction { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 54 | pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | pub fn is_using(&self, u: Value) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `new_const_i1` is never used [INFO] [stdout] --> src/ir/irbuilder.rs:59:10 [INFO] [stdout] | [INFO] [stdout] 20 | impl IRBuilder { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn new_const_i1(&self, value: bool) -> Value { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `I1` is never constructed [INFO] [stdout] --> src/ir/value.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum DataTy { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 7 | I1, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataTy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Const_I1` and `StackMemAddr` are never constructed [INFO] [stdout] --> src/ir/value.rs:41:3 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum ValueTy { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 41 | Const_I1(bool, DataTy), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 42 | PhyReg(u8, Option), [INFO] [stdout] 43 | StackMemAddr(u16), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ValueTy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `neg`, `is_label`, and `new_const_i1` are never used [INFO] [stdout] --> src/ir/value.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 71 | impl Value { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn neg(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | pub fn is_label(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 170 | pub fn new_const_i1(value: bool) -> Value { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Void` is never constructed [INFO] [stdout] --> src/symtab.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 11 | Function, [INFO] [stdout] 12 | Void, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` 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: unused `Result` that must be used [INFO] [stdout] --> src/symtab.rs:155:11 [INFO] [stdout] | [INFO] [stdout] 155 | write!(f, "{}", item); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `is_root`, `get_pred`, and `remove_all_phi` are never used [INFO] [stdout] --> src/ir/basicblock.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 15 | impl BasicBlock { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 66 | pub fn is_root(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 83 | pub fn get_pred(&self) -> Option>> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 121 | pub fn remove_all_phi(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `mi_ty` is never read [INFO] [stdout] --> src/ir/instruction.rs:45:3 [INFO] [stdout] | [INFO] [stdout] 41 | pub struct Instruction { [INFO] [stdout] | ----------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 45 | mi_ty: u8, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `set_asm_ty` and `is_using` are never used [INFO] [stdout] --> src/ir/instruction.rs:54:10 [INFO] [stdout] | [INFO] [stdout] 53 | impl Instruction { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 54 | pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 115 | pub fn is_using(&self, u: Value) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `new_const_i1` is never used [INFO] [stdout] --> src/ir/irbuilder.rs:59:10 [INFO] [stdout] | [INFO] [stdout] 20 | impl IRBuilder { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 59 | pub fn new_const_i1(&self, value: bool) -> Value { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `I1` is never constructed [INFO] [stdout] --> src/ir/value.rs:7:3 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum DataTy { [INFO] [stdout] | ------ variant in this enum [INFO] [stdout] 7 | I1, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `DataTy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Const_I1` and `StackMemAddr` are never constructed [INFO] [stdout] --> src/ir/value.rs:41:3 [INFO] [stdout] | [INFO] [stdout] 30 | pub enum ValueTy { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] ... [INFO] [stdout] 41 | Const_I1(bool, DataTy), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 42 | PhyReg(u8, Option), [INFO] [stdout] 43 | StackMemAddr(u16), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `ValueTy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `neg`, `is_label`, and `new_const_i1` are never used [INFO] [stdout] --> src/ir/value.rs:81:10 [INFO] [stdout] | [INFO] [stdout] 71 | impl Value { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 81 | pub fn neg(&mut self) { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 135 | pub fn is_label(&self) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 170 | pub fn new_const_i1(value: bool) -> Value { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Void` is never constructed [INFO] [stdout] --> src/symtab.rs:12:3 [INFO] [stdout] | [INFO] [stdout] 10 | pub enum Type { [INFO] [stdout] | ---- variant in this enum [INFO] [stdout] 11 | Function, [INFO] [stdout] 12 | Void, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Type` 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: unused `Result` that must be used [INFO] [stdout] --> src/symtab.rs:155:11 [INFO] [stdout] | [INFO] [stdout] 155 | write!(f, "{}", item); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.15s [INFO] running `Command { std: "docker" "inspect" "9bcbf34e8c79946577f4e06106837db516df3a511c8018d376f965ed3066ecf5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bcbf34e8c79946577f4e06106837db516df3a511c8018d376f965ed3066ecf5", kill_on_drop: false }` [INFO] [stdout] 9bcbf34e8c79946577f4e06106837db516df3a511c8018d376f965ed3066ecf5