[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] c3e5a186b20ba7c5b6d4532d52ce58859ebce458
[INFO] checking 0x59616e/emacc against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x59616e%2Femacc" "/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/0x59616e/emacc on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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-7/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: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e451c4c4ba01943d0d79c75894e9c4b08a0daf4fc67826f192013904bfb760af
[INFO] running `Command { std: "docker" "start" "-a" "e451c4c4ba01943d0d79c75894e9c4b08a0daf4fc67826f192013904bfb760af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e451c4c4ba01943d0d79c75894e9c4b08a0daf4fc67826f192013904bfb760af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e451c4c4ba01943d0d79c75894e9c4b08a0daf4fc67826f192013904bfb760af", kill_on_drop: false }`
[INFO] [stdout] e451c4c4ba01943d0d79c75894e9c4b08a0daf4fc67826f192013904bfb760af
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebfdcf6c3be6bf17bdf1e702ae7741423789e27f81133f62c2ad085314d9da1d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ebfdcf6c3be6bf17bdf1e702ae7741423789e27f81133f62c2ad085314d9da1d", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Checking emacc v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed src/main.rs (1 fix)
[INFO] [stderr]        Fixed src/ir/ssavaluecounter.rs (1 fix)
[INFO] [stderr]        Fixed src/codegen/liveinterval.rs (2 fixes)
[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: 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: 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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_root`
[INFO] [stdout]   --> src/ir/basicblock.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn is_root(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pred`
[INFO] [stdout]   --> src/ir/basicblock.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn get_pred(&self) -> Option<Rc<RefCell<BasicBlock>>> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_all_phi`
[INFO] [stdout]    --> src/ir/basicblock.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mi_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |   mi_ty: u8,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_asm_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_using`
[INFO] [stdout]    --> src/ir/instruction.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 |   pub fn is_using(&self, u: Value) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]   --> src/ir/irbuilder.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |   pub fn new_const_i1(&self, value: bool) -> Value {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I1`
[INFO] [stdout]  --> src/ir/value.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   I1,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Const_I1`
[INFO] [stdout]   --> src/ir/value.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 |   Const_I1(bool, DataTy),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StackMemAddr`
[INFO] [stdout]   --> src/ir/value.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |   StackMemAddr(u16),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neg`
[INFO] [stdout]   --> src/ir/value.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub fn neg(&mut self) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_label`
[INFO] [stdout]    --> src/ir/value.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |   pub fn is_label(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]    --> src/ir/value.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |   pub fn new_const_i1(value: bool) -> Value {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Void`
[INFO] [stdout]   --> src/symtab.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   Void,
[INFO] [stdout]    |   ^^^^
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_root`
[INFO] [stdout]   --> src/ir/basicblock.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn is_root(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pred`
[INFO] [stdout]   --> src/ir/basicblock.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn get_pred(&self) -> Option<Rc<RefCell<BasicBlock>>> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_all_phi`
[INFO] [stdout]    --> src/ir/basicblock.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mi_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |   mi_ty: u8,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_asm_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_using`
[INFO] [stdout]    --> src/ir/instruction.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 |   pub fn is_using(&self, u: Value) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]   --> src/ir/irbuilder.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |   pub fn new_const_i1(&self, value: bool) -> Value {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I1`
[INFO] [stdout]  --> src/ir/value.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   I1,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Const_I1`
[INFO] [stdout]   --> src/ir/value.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 |   Const_I1(bool, DataTy),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StackMemAddr`
[INFO] [stdout]   --> src/ir/value.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |   StackMemAddr(u16),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neg`
[INFO] [stdout]   --> src/ir/value.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub fn neg(&mut self) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_label`
[INFO] [stdout]    --> src/ir/value.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |   pub fn is_label(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]    --> src/ir/value.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |   pub fn new_const_i1(value: bool) -> Value {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Void`
[INFO] [stdout]   --> src/symtab.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   Void,
[INFO] [stdout]    |   ^^^^
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.18s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Checking emacc v0.1.0 (/tmp/fixit)
[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: 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: 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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[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]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_root`
[INFO] [stdout]   --> src/ir/basicblock.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn is_root(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pred`
[INFO] [stdout]   --> src/ir/basicblock.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn get_pred(&self) -> Option<Rc<RefCell<BasicBlock>>> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_all_phi`
[INFO] [stdout]    --> src/ir/basicblock.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mi_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |   mi_ty: u8,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_asm_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_using`
[INFO] [stdout]    --> src/ir/instruction.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 |   pub fn is_using(&self, u: Value) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]   --> src/ir/irbuilder.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |   pub fn new_const_i1(&self, value: bool) -> Value {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I1`
[INFO] [stdout]  --> src/ir/value.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   I1,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Const_I1`
[INFO] [stdout]   --> src/ir/value.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 |   Const_I1(bool, DataTy),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StackMemAddr`
[INFO] [stdout]   --> src/ir/value.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |   StackMemAddr(u16),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neg`
[INFO] [stdout]   --> src/ir/value.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub fn neg(&mut self) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_label`
[INFO] [stdout]    --> src/ir/value.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |   pub fn is_label(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]    --> src/ir/value.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |   pub fn new_const_i1(value: bool) -> Value {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Void`
[INFO] [stdout]   --> src/symtab.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   Void,
[INFO] [stdout]    |   ^^^^
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_root`
[INFO] [stdout]   --> src/ir/basicblock.rs:66:10
[INFO] [stdout]    |
[INFO] [stdout] 66 |   pub fn is_root(&self) -> bool {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_pred`
[INFO] [stdout]   --> src/ir/basicblock.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 83 |   pub fn get_pred(&self) -> Option<Rc<RefCell<BasicBlock>>> {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_all_phi`
[INFO] [stdout]    --> src/ir/basicblock.rs:121:10
[INFO] [stdout]     |
[INFO] [stdout] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mi_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:45:3
[INFO] [stdout]    |
[INFO] [stdout] 45 |   mi_ty: u8,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_asm_ty`
[INFO] [stdout]   --> src/ir/instruction.rs:54:10
[INFO] [stdout]    |
[INFO] [stdout] 54 |   pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_using`
[INFO] [stdout]    --> src/ir/instruction.rs:115:10
[INFO] [stdout]     |
[INFO] [stdout] 115 |   pub fn is_using(&self, u: Value) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]   --> src/ir/irbuilder.rs:59:10
[INFO] [stdout]    |
[INFO] [stdout] 59 |   pub fn new_const_i1(&self, value: bool) -> Value {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `I1`
[INFO] [stdout]  --> src/ir/value.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 7 |   I1,
[INFO] [stdout]   |   ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Const_I1`
[INFO] [stdout]   --> src/ir/value.rs:41:3
[INFO] [stdout]    |
[INFO] [stdout] 41 |   Const_I1(bool, DataTy),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StackMemAddr`
[INFO] [stdout]   --> src/ir/value.rs:43:3
[INFO] [stdout]    |
[INFO] [stdout] 43 |   StackMemAddr(u16),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `neg`
[INFO] [stdout]   --> src/ir/value.rs:81:10
[INFO] [stdout]    |
[INFO] [stdout] 81 |   pub fn neg(&mut self) {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_label`
[INFO] [stdout]    --> src/ir/value.rs:135:10
[INFO] [stdout]     |
[INFO] [stdout] 135 |   pub fn is_label(&self) -> bool {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_const_i1`
[INFO] [stdout]    --> src/ir/value.rs:170:10
[INFO] [stdout]     |
[INFO] [stdout] 170 |   pub fn new_const_i1(value: bool) -> Value {
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Void`
[INFO] [stdout]   --> src/symtab.rs:12:3
[INFO] [stdout]    |
[INFO] [stdout] 12 |   Void,
[INFO] [stdout]    |   ^^^^
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "ebfdcf6c3be6bf17bdf1e702ae7741423789e27f81133f62c2ad085314d9da1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebfdcf6c3be6bf17bdf1e702ae7741423789e27f81133f62c2ad085314d9da1d", kill_on_drop: false }`
[INFO] [stdout] ebfdcf6c3be6bf17bdf1e702ae7741423789e27f81133f62c2ad085314d9da1d