[INFO] cloning repository https://github.com/litarussell/SysY-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/litarussell/SysY-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flitarussell%2FSysY-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flitarussell%2FSysY-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36262303d8647def73ba4a68d6a0e3b8caa326f7
[INFO] testing litarussell/SysY-rust against 1.95.0 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flitarussell%2FSysY-rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/litarussell/SysY-rust
[INFO] finished tweaking git repo https://github.com/litarussell/SysY-rust
[INFO] tweaked toml for git repo https://github.com/litarussell/SysY-rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/litarussell/SysY-rust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/litarussell/SysY-rust 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.8
[INFO] [stderr]   Downloaded redox_users v0.4.5
[INFO] [stderr]   Downloaded lalrpop-util v0.20.2
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[INFO] [stderr]   Downloaded thiserror v1.0.62
[INFO] [stderr]   Downloaded ena v0.14.3
[INFO] [stderr]   Downloaded colored v2.1.0
[INFO] [stderr]   Downloaded key-node-list v0.0.5
[INFO] [stderr]   Downloaded redox_syscall v0.5.2
[INFO] [stderr]   Downloaded rustversion v1.0.17
[INFO] [stderr]   Downloaded thiserror-impl v1.0.62
[INFO] [stderr]   Downloaded koopa v0.0.7
[INFO] [stderr]   Downloaded lalrpop v0.20.2
[INFO] [stderr]   Downloaded regex v1.10.5
[INFO] [stderr]   Downloaded syn v2.0.70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 500d95a921ba3bedfca2429346646c1fa3119fd201006c47ccc585325091f456
[INFO] running `Command { std: "docker" "start" "-a" "500d95a921ba3bedfca2429346646c1fa3119fd201006c47ccc585325091f456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "500d95a921ba3bedfca2429346646c1fa3119fd201006c47ccc585325091f456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500d95a921ba3bedfca2429346646c1fa3119fd201006c47ccc585325091f456", kill_on_drop: false }`
[INFO] [stdout] 500d95a921ba3bedfca2429346646c1fa3119fd201006c47ccc585325091f456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dfcf882a204c5761b85f3d75f1a121945183ae53b8cdfc959627524da9d0b30
[INFO] running `Command { std: "docker" "start" "-a" "7dfcf882a204c5761b85f3d75f1a121945183ae53b8cdfc959627524da9d0b30", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.4
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling siphasher v0.3.11
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling once_cell v1.19.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling bit-vec v0.6.3
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling ena v0.14.3
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling indexmap v2.2.6
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling pico-args v0.5.0
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling colored v2.1.0
[INFO] [stderr]    Compiling key-node-list v0.0.5
[INFO] [stderr]    Compiling term v0.7.0
[INFO] [stderr]    Compiling koopa v0.0.7
[INFO] [stderr]    Compiling string_cache v0.8.7
[INFO] [stderr]    Compiling petgraph v0.6.5
[INFO] [stderr]    Compiling ascii-canvas v3.0.0
[INFO] [stderr]    Compiling regex-automata v0.4.7
[INFO] [stderr]    Compiling lalrpop-util v0.20.2
[INFO] [stderr]    Compiling regex v1.10.5
[INFO] [stderr]    Compiling lalrpop v0.20.2
[INFO] [stderr]    Compiling SysY-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mode = args.next().unwrap();
[INFO] [stdout]    |       ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let output = args.next().unwrap();
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func_def` is never read
[INFO] [stdout]   --> src/ast.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CompUnit {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |   pub func_def: FuncDef,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompUnit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `func_type`, `ident`, and `block` are never read
[INFO] [stdout]   --> src/ast.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct FuncDef {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 22 |   pub func_type: FuncType,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 23 |   pub ident: String,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 24 |   pub block: Block,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmt` is never read
[INFO] [stdout]   --> src/ast.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 34 |   pub stmt: Stmt
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]   --> src/ast.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Stmt {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 39 |   pub num: Number
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Number {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 45 |   pub value: i32
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 39.36s
[INFO] running `Command { std: "docker" "inspect" "7dfcf882a204c5761b85f3d75f1a121945183ae53b8cdfc959627524da9d0b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfcf882a204c5761b85f3d75f1a121945183ae53b8cdfc959627524da9d0b30", kill_on_drop: false }`
[INFO] [stdout] 7dfcf882a204c5761b85f3d75f1a121945183ae53b8cdfc959627524da9d0b30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2accc4e63bb154ccfef7e8b38fe55391f0ecdd6ce528a11f04bcb85a3b32694b
[INFO] running `Command { std: "docker" "start" "-a" "2accc4e63bb154ccfef7e8b38fe55391f0ecdd6ce528a11f04bcb85a3b32694b", kill_on_drop: false }`
[INFO] [stderr]    Compiling SysY-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `mode`
[INFO] [stdout]   --> src/main.rs:16:7
[INFO] [stdout]    |
[INFO] [stdout] 16 |   let mode = args.next().unwrap();
[INFO] [stdout]    |       ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 |   let output = args.next().unwrap();
[INFO] [stdout]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `func_def` is never read
[INFO] [stdout]   --> src/ast.rs:17:7
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct CompUnit {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 17 |   pub func_def: FuncDef,
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `CompUnit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `func_type`, `ident`, and `block` are never read
[INFO] [stdout]   --> src/ast.rs:22:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct FuncDef {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 22 |   pub func_type: FuncType,
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 23 |   pub ident: String,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout] 24 |   pub block: Block,
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stmt` is never read
[INFO] [stdout]   --> src/ast.rs:34:7
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Block {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 34 |   pub stmt: Stmt
[INFO] [stdout]    |       ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `num` is never read
[INFO] [stdout]   --> src/ast.rs:39:7
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub struct Stmt {
[INFO] [stdout]    |            ---- field in this struct
[INFO] [stdout] 39 |   pub num: Number
[INFO] [stdout]    |       ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/ast.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub struct Number {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 45 |   pub value: i32
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "2accc4e63bb154ccfef7e8b38fe55391f0ecdd6ce528a11f04bcb85a3b32694b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2accc4e63bb154ccfef7e8b38fe55391f0ecdd6ce528a11f04bcb85a3b32694b", kill_on_drop: false }`
[INFO] [stdout] 2accc4e63bb154ccfef7e8b38fe55391f0ecdd6ce528a11f04bcb85a3b32694b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd1cb2313aa63be4fa19d12484bc100ec7747f3515384b38807f950d32295d11
[INFO] running `Command { std: "docker" "start" "-a" "fd1cb2313aa63be4fa19d12484bc100ec7747f3515384b38807f950d32295d11", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]   --> src/main.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 |   let mode = args.next().unwrap();
[INFO] [stderr]    |       ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `output`
[INFO] [stderr]   --> src/main.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 |   let output = args.next().unwrap();
[INFO] [stderr]    |       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stderr] 
[INFO] [stderr] warning: field `func_def` is never read
[INFO] [stderr]   --> src/ast.rs:17:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct CompUnit {
[INFO] [stderr]    |            -------- field in this struct
[INFO] [stderr] 17 |   pub func_def: FuncDef,
[INFO] [stderr]    |       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `CompUnit` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `func_type`, `ident`, and `block` are never read
[INFO] [stderr]   --> src/ast.rs:22:7
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct FuncDef {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] 22 |   pub func_type: FuncType,
[INFO] [stderr]    |       ^^^^^^^^^
[INFO] [stderr] 23 |   pub ident: String,
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr] 24 |   pub block: Block,
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `FuncDef` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `stmt` is never read
[INFO] [stderr]   --> src/ast.rs:34:7
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub struct Block {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 34 |   pub stmt: Stmt
[INFO] [stderr]    |       ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `num` is never read
[INFO] [stderr]   --> src/ast.rs:39:7
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub struct Stmt {
[INFO] [stderr]    |            ---- field in this struct
[INFO] [stderr] 39 |   pub num: Number
[INFO] [stderr]    |       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]   --> src/ast.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub struct Number {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 45 |   pub value: i32
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Number` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: `SysY-rust` (bin "SysY-rust" test) generated 7 warnings (run `cargo fix --bin "SysY-rust" -p SysY-rust --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/SysY_rust-1dfaa28d28dbd187)
[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" "fd1cb2313aa63be4fa19d12484bc100ec7747f3515384b38807f950d32295d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1cb2313aa63be4fa19d12484bc100ec7747f3515384b38807f950d32295d11", kill_on_drop: false }`
[INFO] [stdout] fd1cb2313aa63be4fa19d12484bc100ec7747f3515384b38807f950d32295d11
