[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] 98e565751e49394c25f83bbc0a08f7e22a723018
[INFO] testing 0x59616e/emacc against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0x59616e%2Femacc" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/0x59616e/emacc on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-84/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2834253213bc77e71f63c91e7060249728658ddc2b3942c50b17696e878b3e54
[INFO] running `Command { std: "docker" "start" "-a" "2834253213bc77e71f63c91e7060249728658ddc2b3942c50b17696e878b3e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2834253213bc77e71f63c91e7060249728658ddc2b3942c50b17696e878b3e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2834253213bc77e71f63c91e7060249728658ddc2b3942c50b17696e878b3e54", kill_on_drop: false }`
[INFO] [stdout] 2834253213bc77e71f63c91e7060249728658ddc2b3942c50b17696e878b3e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf2a659491ba9793901e4cbd70435d06c59447ecb650949ad7610350cb7d971f
[INFO] running `Command { std: "docker" "start" "-a" "cf2a659491ba9793901e4cbd70435d06c59447ecb650949ad7610350cb7d971f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling emacc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ValueTy`, `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 import: `ast::Stmt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ast::Stmt;
[INFO] [stdout]    |     ^^^^^^^^^
[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: 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)]` 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: 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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "cf2a659491ba9793901e4cbd70435d06c59447ecb650949ad7610350cb7d971f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf2a659491ba9793901e4cbd70435d06c59447ecb650949ad7610350cb7d971f", kill_on_drop: false }`
[INFO] [stdout] cf2a659491ba9793901e4cbd70435d06c59447ecb650949ad7610350cb7d971f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29f8f09b535accb94645d2eed29be77b0a5a01e9aa5f4feb09373c5241eca600
[INFO] running `Command { std: "docker" "start" "-a" "29f8f09b535accb94645d2eed29be77b0a5a01e9aa5f4feb09373c5241eca600", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling emacc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ValueTy`, `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 import: `ast::Stmt`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use ast::Stmt;
[INFO] [stdout]    |     ^^^^^^^^^
[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: 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)]` 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: 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: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 49.99s
[INFO] running `Command { std: "docker" "inspect" "29f8f09b535accb94645d2eed29be77b0a5a01e9aa5f4feb09373c5241eca600", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f8f09b535accb94645d2eed29be77b0a5a01e9aa5f4feb09373c5241eca600", kill_on_drop: false }`
[INFO] [stdout] 29f8f09b535accb94645d2eed29be77b0a5a01e9aa5f4feb09373c5241eca600
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ae565048001152b8259410d5d3bdeb784e1b1654f6ac9434ede4d0fc92839866
[INFO] running `Command { std: "docker" "start" "-a" "ae565048001152b8259410d5d3bdeb784e1b1654f6ac9434ede4d0fc92839866", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ValueTy`, `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)]` 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)]` 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: unused import: `ast::Stmt`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use ast::Stmt;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `kind` is never read
[INFO] [stderr]   --> src/lex.rs:86:11
[INFO] [stderr]    |
[INFO] [stderr] 86 |   let mut kind = TokenKind::Useless;
[INFO] [stderr]    |           ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[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)]` 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: associated function is never used: `is_root`
[INFO] [stderr]   --> src/ir/basicblock.rs:66:10
[INFO] [stderr]    |
[INFO] [stderr] 66 |   pub fn is_root(&self) -> bool {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_pred`
[INFO] [stderr]   --> src/ir/basicblock.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 83 |   pub fn get_pred(&self) -> Option<Rc<RefCell<BasicBlock>>> {
[INFO] [stderr]    |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `remove_all_phi`
[INFO] [stderr]    --> src/ir/basicblock.rs:121:10
[INFO] [stderr]     |
[INFO] [stderr] 121 |   pub fn remove_all_phi(&mut self) {
[INFO] [stderr]     |          ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mi_ty`
[INFO] [stderr]   --> src/ir/instruction.rs:45:3
[INFO] [stderr]    |
[INFO] [stderr] 45 |   mi_ty: u8,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `set_asm_ty`
[INFO] [stderr]   --> src/ir/instruction.rs:54:10
[INFO] [stderr]    |
[INFO] [stderr] 54 |   pub fn set_asm_ty(&mut self, (ty, name): (u8, String)) {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_using`
[INFO] [stderr]    --> src/ir/instruction.rs:115:10
[INFO] [stderr]     |
[INFO] [stderr] 115 |   pub fn is_using(&self, u: Value) -> bool {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_const_i1`
[INFO] [stderr]   --> src/ir/irbuilder.rs:59:10
[INFO] [stderr]    |
[INFO] [stderr] 59 |   pub fn new_const_i1(&self, value: bool) -> Value {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `I1`
[INFO] [stderr]  --> src/ir/value.rs:7:3
[INFO] [stderr]   |
[INFO] [stderr] 7 |   I1,
[INFO] [stderr]   |   ^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Const_I1`
[INFO] [stderr]   --> src/ir/value.rs:41:3
[INFO] [stderr]    |
[INFO] [stderr] 41 |   Const_I1(bool, DataTy),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `StackMemAddr`
[INFO] [stderr]   --> src/ir/value.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 |   StackMemAddr(u16),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `neg`
[INFO] [stderr]   --> src/ir/value.rs:81:10
[INFO] [stderr]    |
[INFO] [stderr] 81 |   pub fn neg(&mut self) {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `is_label`
[INFO] [stderr]    --> src/ir/value.rs:135:10
[INFO] [stderr]     |
[INFO] [stderr] 135 |   pub fn is_label(&self) -> bool {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_const_i1`
[INFO] [stderr]    --> src/ir/value.rs:170:10
[INFO] [stderr]     |
[INFO] [stderr] 170 |   pub fn new_const_i1(value: bool) -> Value {
[INFO] [stderr]     |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Void`
[INFO] [stderr]   --> src/symtab.rs:12:3
[INFO] [stderr]    |
[INFO] [stderr] 12 |   Void,
[INFO] [stderr]    |   ^^^^
[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: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `emacc` (bin "emacc" test) generated 22 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/emacc-a6c2fa6e391368bb)
[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" "ae565048001152b8259410d5d3bdeb784e1b1654f6ac9434ede4d0fc92839866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae565048001152b8259410d5d3bdeb784e1b1654f6ac9434ede4d0fc92839866", kill_on_drop: false }`
[INFO] [stdout] ae565048001152b8259410d5d3bdeb784e1b1654f6ac9434ede4d0fc92839866