[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] testing 0x59616e/emacc against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x59616e%2Femacc" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0x59616e/emacc on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 820b53c95ebb6ffb5788c53fef896b3ff91d997d1ef0acd4b152617c4dd86e11
[INFO] running `Command { std: "docker" "start" "-a" "820b53c95ebb6ffb5788c53fef896b3ff91d997d1ef0acd4b152617c4dd86e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "820b53c95ebb6ffb5788c53fef896b3ff91d997d1ef0acd4b152617c4dd86e11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "820b53c95ebb6ffb5788c53fef896b3ff91d997d1ef0acd4b152617c4dd86e11", kill_on_drop: false }`
[INFO] [stdout] 820b53c95ebb6ffb5788c53fef896b3ff91d997d1ef0acd4b152617c4dd86e11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4689a0f6768b6ba89c8d17f14c0b6aefa8769d53209d2a41053da409c4fbb99
[INFO] running `Command { std: "docker" "start" "-a" "c4689a0f6768b6ba89c8d17f14c0b6aefa8769d53209d2a41053da409c4fbb99", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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<RefCell<LiveInterval>>) {
[INFO] [stdout]    |                           ----^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) 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:86:18
[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)]` (part of `#[warn(unused)]`) 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<Rc<RefCell<BasicBlock>>> {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<RegisterSaver>),
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 155 |           let _ = write!(f, "{}", item);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.10s
[INFO] running `Command { std: "docker" "inspect" "c4689a0f6768b6ba89c8d17f14c0b6aefa8769d53209d2a41053da409c4fbb99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4689a0f6768b6ba89c8d17f14c0b6aefa8769d53209d2a41053da409c4fbb99", kill_on_drop: false }`
[INFO] [stdout] c4689a0f6768b6ba89c8d17f14c0b6aefa8769d53209d2a41053da409c4fbb99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e26f104b16b7b1ea3c0e6f6a469be7f7837be34e1c4844fc3d9886c54c020ca
[INFO] running `Command { std: "docker" "start" "-a" "6e26f104b16b7b1ea3c0e6f6a469be7f7837be34e1c4844fc3d9886c54c020ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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<RefCell<LiveInterval>>) {
[INFO] [stdout]    |                           ----^^
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) 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:86:18
[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)]` (part of `#[warn(unused)]`) 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<Rc<RefCell<BasicBlock>>> {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) 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<RegisterSaver>),
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 155 |           let _ = write!(f, "{}", item);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "6e26f104b16b7b1ea3c0e6f6a469be7f7837be34e1c4844fc3d9886c54c020ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e26f104b16b7b1ea3c0e6f6a469be7f7837be34e1c4844fc3d9886c54c020ca", kill_on_drop: false }`
[INFO] [stdout] 6e26f104b16b7b1ea3c0e6f6a469be7f7837be34e1c4844fc3d9886c54c020ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] af990393065fd9d1ef071bd2ba7cef64ddb3f5fdf95c50d8effe3d23967547da
[INFO] running `Command { std: "docker" "start" "-a" "af990393065fd9d1ef071bd2ba7cef64ddb3f5fdf95c50d8effe3d23967547da", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ValueTy` and `Value`
[INFO] [stderr]  --> src/ir/ssavaluecounter.rs:4:20
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::value::{Value, ValueTy};
[INFO] [stderr]   |                    ^^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Const_I32` should have an upper camel case name
[INFO] [stderr]   --> src/ir/value.rs:40:3
[INFO] [stderr]    |
[INFO] [stderr] 40 |   Const_I32(i32, DataTy),
[INFO] [stderr]    |   ^^^^^^^^^ help: convert the identifier to upper camel case: `ConstI32`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Const_I1` should have an upper camel case name
[INFO] [stderr]   --> src/ir/value.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   Const_I1(bool, DataTy),
[INFO] [stderr]    |   ^^^^^^^^ help: convert the identifier to upper camel case: `ConstI1`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/codegen/liveinterval.rs:51:27
[INFO] [stderr]    |
[INFO] [stderr] 51 |   pub fn merge(&mut self, mut li: &Rc<RefCell<LiveInterval>>) {
[INFO] [stderr]    |                           ----^^
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/codegen/liveinterval.rs:223:9
[INFO] [stderr]     |
[INFO] [stderr] 223 |     let mut li1 = self.remove_live_interval(op1);
[INFO] [stderr]     |         ----^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `kind` is never read
[INFO] [stderr]   --> src/lex.rs:86:18
[INFO] [stderr]    |
[INFO] [stderr] 86 |   let mut kind = TokenKind::Useless;
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_root`, `get_pred`, and `remove_all_phi` are never used
[INFO] [stderr]    --> src/ir/basicblock.rs:66:10
[INFO] [stderr]     |
[INFO] [stderr]  15 | impl BasicBlock {
[INFO] [stderr]     | --------------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  66 |   pub fn is_root(&self) -> bool {
[INFO] [stderr]     |          ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  83 |   pub fn get_pred(&self) -> Option<Rc<RefCell<BasicBlock>>> {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `mi_ty` is never read
[INFO] [stderr]   --> src/ir/instruction.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct Instruction {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 45 |   mi_ty: u8,
[INFO] [stderr]    |   ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `set_asm_ty` and `is_using` are never used
[INFO] [stderr]    --> src/ir/instruction.rs:54:10
[INFO] [stderr]     |
[INFO] [stderr]  53 | impl Instruction {
[INFO] [stderr]     | ---------------- methods in this implementation
[INFO] [stderr]  54 |   pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) {
[INFO] [stderr]     |          ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 115 |   pub fn is_using(&self, u: Value) -> bool {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `new_const_i1` is never used
[INFO] [stderr]   --> src/ir/irbuilder.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | impl IRBuilder {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |   pub fn new_const_i1(&self, value: bool) -> Value {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `I1` is never constructed
[INFO] [stderr]  --> src/ir/value.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum DataTy {
[INFO] [stderr]   |          ------ variant in this enum
[INFO] [stderr] 7 |   I1,
[INFO] [stderr]   |   ^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `DataTy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Const_I1` and `StackMemAddr` are never constructed
[INFO] [stderr]   --> src/ir/value.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 30 | pub enum ValueTy {
[INFO] [stderr]    |          ------- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 41 |   Const_I1(bool, DataTy),
[INFO] [stderr]    |   ^^^^^^^^
[INFO] [stderr] 42 |   PhyReg(u8, Option<RegisterSaver>),
[INFO] [stderr] 43 |   StackMemAddr(u16),
[INFO] [stderr]    |   ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ValueTy` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `neg`, `is_label`, and `new_const_i1` are never used
[INFO] [stderr]    --> src/ir/value.rs:81:10
[INFO] [stderr]     |
[INFO] [stderr]  71 | impl Value {
[INFO] [stderr]     | ---------- associated items in this implementation
[INFO] [stderr] ...
[INFO] [stderr]  81 |   pub fn neg(&mut self) {
[INFO] [stderr]     |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 135 |   pub fn is_label(&self) -> bool {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 170 |   pub fn new_const_i1(value: bool) -> Value {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Void` is never constructed
[INFO] [stderr]   --> src/symtab.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Type {
[INFO] [stderr]    |          ---- variant in this enum
[INFO] [stderr] 11 |   Function,
[INFO] [stderr] 12 |   Void,
[INFO] [stderr]    |   ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Type` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/symtab.rs:155:11
[INFO] [stderr]     |
[INFO] [stderr] 155 |           write!(f, "{}", item);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 155 |           let _ = write!(f, "{}", item);
[INFO] [stderr]     |           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `emacc` (bin "emacc" test) generated 15 warnings (run `cargo fix --bin "emacc" -p emacc --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/emacc-1117ec176ab4e979)
[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" "af990393065fd9d1ef071bd2ba7cef64ddb3f5fdf95c50d8effe3d23967547da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af990393065fd9d1ef071bd2ba7cef64ddb3f5fdf95c50d8effe3d23967547da", kill_on_drop: false }`
[INFO] [stdout] af990393065fd9d1ef071bd2ba7cef64ddb3f5fdf95c50d8effe3d23967547da
