[INFO] cloning repository https://github.com/WeiTheShinobi/mysterious_compiler [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WeiTheShinobi/mysterious_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeiTheShinobi%2Fmysterious_compiler", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeiTheShinobi%2Fmysterious_compiler'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 183810e7eaf2801b8afb15e087dcc63727b9f41d [INFO] checking WeiTheShinobi/mysterious_compiler against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWeiTheShinobi%2Fmysterious_compiler" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/WeiTheShinobi/mysterious_compiler [INFO] finished tweaking git repo https://github.com/WeiTheShinobi/mysterious_compiler [INFO] tweaked toml for git repo https://github.com/WeiTheShinobi/mysterious_compiler written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/WeiTheShinobi/mysterious_compiler on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/WeiTheShinobi/mysterious_compiler 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dc517b4ad3aebcb78d0638a38bd8524e27505c1b4fb60d42d59182d313d48ad1 [INFO] running `Command { std: "docker" "start" "-a" "dc517b4ad3aebcb78d0638a38bd8524e27505c1b4fb60d42d59182d313d48ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dc517b4ad3aebcb78d0638a38bd8524e27505c1b4fb60d42d59182d313d48ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dc517b4ad3aebcb78d0638a38bd8524e27505c1b4fb60d42d59182d313d48ad1", kill_on_drop: false }` [INFO] [stdout] dc517b4ad3aebcb78d0638a38bd8524e27505c1b4fb60d42d59182d313d48ad1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dc62324ce738e06903fe9ea4fa771b8f571ec427c5bbeeba8c95f42ef6daba3 [INFO] running `Command { std: "docker" "start" "-a" "0dc62324ce738e06903fe9ea4fa771b8f571ec427c5bbeeba8c95f42ef6daba3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.161 [INFO] [stderr] Compiling memchr v2.7.4 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.8.5 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling either v1.13.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling parking_lot_core v0.9.10 [INFO] [stderr] Compiling fixedbitset v0.4.2 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling lock_api v0.4.12 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling ena v0.14.3 [INFO] [stderr] Compiling unicode-xid v0.2.6 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Checking colored v2.1.0 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Checking key-node-list v0.0.5 [INFO] [stderr] Checking koopa v0.0.7 [INFO] [stderr] Compiling petgraph v0.6.5 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling parking_lot v0.12.3 [INFO] [stderr] Compiling dirs-next v2.0.0 [INFO] [stderr] Compiling term v0.7.0 [INFO] [stderr] Compiling string_cache v0.8.7 [INFO] [stderr] Compiling ascii-canvas v3.0.0 [INFO] [stderr] Checking regex-automata v0.4.8 [INFO] [stderr] Checking lalrpop-util v0.20.2 [INFO] [stderr] Compiling regex v1.11.1 [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Compiling weird-compiler-lab v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Registers` [INFO] [stdout] --> src/riscv_gen/context.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use super::reg::{RegisterManager, Registers}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `value_life` should have an upper camel case name [INFO] [stdout] --> src/analysis/mod.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct value_life { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `ValueLife` [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: unused import: `Registers` [INFO] [stdout] --> src/riscv_gen/context.rs:5:35 [INFO] [stdout] | [INFO] [stdout] 5 | use super::reg::{RegisterManager, Registers}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `value_life` should have an upper camel case name [INFO] [stdout] --> src/analysis/mod.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct value_life { [INFO] [stdout] | ^^^^^^^^^^ help: convert the identifier to upper camel case: `ValueLife` [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: field `0` is never read [INFO] [stdout] --> src/ir_gen/mod.rs:18:19 [INFO] [stdout] | [INFO] [stdout] 18 | ReassignConst(String), [INFO] [stdout] | ------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 - ReassignConst(String), [INFO] [stdout] 18 + ReassignConst(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ir_gen/mod.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | Redeclare(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 - Redeclare(String), [INFO] [stdout] 19 + Redeclare(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ir_gen/mod.rs:21:15 [INFO] [stdout] | [INFO] [stdout] 21 | Undefined(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 21 - Undefined(String), [INFO] [stdout] 21 + Undefined(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Error` is never constructed [INFO] [stdout] --> src/ir_gen/mod.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 17 | Error(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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 `register_manager` is never read [INFO] [stdout] --> src/riscv_gen/context.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Context { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub register_manager: RegisterManager, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `registers` is never read [INFO] [stdout] --> src/riscv_gen/reg.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) struct RegisterManager { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 2 | registers: Registers, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/riscv_gen/reg.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct Registers { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub ra: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 18 | // x2 stack pointer, callee-saved [INFO] [stdout] 19 | pub sp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 20 | // x3 global pointer, N/A [INFO] [stdout] 21 | pub gp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 22 | // x4 thread pointer, N/A [INFO] [stdout] 23 | pub tp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | // x5 alternative temp, caller [INFO] [stdout] 25 | pub t0: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | // x6-7 temp, caller [INFO] [stdout] 27 | pub t1: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 28 | pub t2: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 29 | // x8 s0/fp save or frame pointer, callee [INFO] [stdout] 30 | pub fp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 31 | // x9 s1, callee [INFO] [stdout] 32 | pub s1: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 33 | // x10, x11: return/function parameter, caller [INFO] [stdout] 34 | pub a0: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 35 | pub a1: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 36 | // x12-x17: function parameter, caller [INFO] [stdout] 37 | pub a2: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 38 | pub a3: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 39 | pub a4: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 40 | pub a5: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 41 | pub a6: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 42 | pub a7: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 43 | // x18-x27 save, callee [INFO] [stdout] 44 | pub s2: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 45 | pub s3: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 46 | pub s4: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 47 | pub s5: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 48 | pub s6: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 49 | pub s7: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 50 | pub s8: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 51 | pub s9: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 52 | pub s10: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 53 | pub s11: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 54 | // x28-x31 temp, caller [INFO] [stdout] 55 | pub t3: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 56 | pub t4: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 57 | pub t5: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 58 | pub t6: bool, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `value_life` is never constructed [INFO] [stdout] --> src/analysis/mod.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct value_life { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `live_variable` is never used [INFO] [stdout] --> src/analysis/mod.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn live_variable() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | let _ = riscv_gen::generate_riscv(koopa, args.args) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/riscv_gen/mod.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn generate_riscv<'a>(program: koopa::ir::Program, args: Vec) -> Result { [INFO] [stdout] | ______________________________________________________________________________________________^ [INFO] [stdout] 16 | | let mut riscv = gen::Program::new(); [INFO] [stdout] 17 | | let mut cx = Context::new(); [INFO] [stdout] 18 | | program.generate(&mut riscv, &mut cx); [INFO] [stdout] ... | [INFO] [stdout] 23 | | Ok(riscv) [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/riscv_gen/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Ok(riscv) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `weird-compiler-lab` (bin "weird-compiler-lab") due to 3 previous errors; 11 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ir_gen/mod.rs:18:19 [INFO] [stdout] | [INFO] [stdout] 18 | ReassignConst(String), [INFO] [stdout] | ------------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 - ReassignConst(String), [INFO] [stdout] 18 + ReassignConst(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ir_gen/mod.rs:19:15 [INFO] [stdout] | [INFO] [stdout] 19 | Redeclare(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 - Redeclare(String), [INFO] [stdout] 19 + Redeclare(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/ir_gen/mod.rs:21:15 [INFO] [stdout] | [INFO] [stdout] 21 | Undefined(String), [INFO] [stdout] | --------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 21 - Undefined(String), [INFO] [stdout] 21 + Undefined(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Error` is never constructed [INFO] [stdout] --> src/ir_gen/mod.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 17 | Error(String), [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` 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 `register_manager` is never read [INFO] [stdout] --> src/riscv_gen/context.rs:14:9 [INFO] [stdout] | [INFO] [stdout] 7 | pub struct Context { [INFO] [stdout] | ------- field in this struct [INFO] [stdout] ... [INFO] [stdout] 14 | pub register_manager: RegisterManager, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `registers` is never read [INFO] [stdout] --> src/riscv_gen/reg.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 1 | pub(crate) struct RegisterManager { [INFO] [stdout] | --------------- field in this struct [INFO] [stdout] 2 | registers: Registers, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/riscv_gen/reg.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct Registers { [INFO] [stdout] | --------- fields in this struct [INFO] [stdout] ... [INFO] [stdout] 17 | pub ra: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 18 | // x2 stack pointer, callee-saved [INFO] [stdout] 19 | pub sp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 20 | // x3 global pointer, N/A [INFO] [stdout] 21 | pub gp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 22 | // x4 thread pointer, N/A [INFO] [stdout] 23 | pub tp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 24 | // x5 alternative temp, caller [INFO] [stdout] 25 | pub t0: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 26 | // x6-7 temp, caller [INFO] [stdout] 27 | pub t1: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 28 | pub t2: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 29 | // x8 s0/fp save or frame pointer, callee [INFO] [stdout] 30 | pub fp: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 31 | // x9 s1, callee [INFO] [stdout] 32 | pub s1: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 33 | // x10, x11: return/function parameter, caller [INFO] [stdout] 34 | pub a0: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 35 | pub a1: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 36 | // x12-x17: function parameter, caller [INFO] [stdout] 37 | pub a2: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 38 | pub a3: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 39 | pub a4: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 40 | pub a5: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 41 | pub a6: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 42 | pub a7: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 43 | // x18-x27 save, callee [INFO] [stdout] 44 | pub s2: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 45 | pub s3: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 46 | pub s4: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 47 | pub s5: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 48 | pub s6: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 49 | pub s7: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 50 | pub s8: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 51 | pub s9: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 52 | pub s10: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 53 | pub s11: bool, [INFO] [stdout] | ^^^ [INFO] [stdout] 54 | // x28-x31 temp, caller [INFO] [stdout] 55 | pub t3: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 56 | pub t4: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 57 | pub t5: bool, [INFO] [stdout] | ^^ [INFO] [stdout] 58 | pub t6: bool, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Registers` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `value_life` is never constructed [INFO] [stdout] --> src/analysis/mod.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | pub struct value_life { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `live_variable` is never used [INFO] [stdout] --> src/analysis/mod.rs:8:4 [INFO] [stdout] | [INFO] [stdout] 8 | fn live_variable() { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:70:21 [INFO] [stdout] | [INFO] [stdout] 70 | let _ = riscv_gen::generate_riscv(koopa, args.args) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/riscv_gen/mod.rs:15:94 [INFO] [stdout] | [INFO] [stdout] 15 | pub fn generate_riscv<'a>(program: koopa::ir::Program, args: Vec) -> Result { [INFO] [stdout] | ______________________________________________________________________________________________^ [INFO] [stdout] 16 | | let mut riscv = gen::Program::new(); [INFO] [stdout] 17 | | let mut cx = Context::new(); [INFO] [stdout] 18 | | program.generate(&mut riscv, &mut cx); [INFO] [stdout] ... | [INFO] [stdout] 23 | | Ok(riscv) [INFO] [stdout] 24 | | } [INFO] [stdout] | |_^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/riscv_gen/mod.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Ok(riscv) [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `weird-compiler-lab` (bin "weird-compiler-lab" test) due to 3 previous errors; 11 warnings emitted [INFO] running `Command { std: "docker" "inspect" "0dc62324ce738e06903fe9ea4fa771b8f571ec427c5bbeeba8c95f42ef6daba3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dc62324ce738e06903fe9ea4fa771b8f571ec427c5bbeeba8c95f42ef6daba3", kill_on_drop: false }` [INFO] [stdout] 0dc62324ce738e06903fe9ea4fa771b8f571ec427c5bbeeba8c95f42ef6daba3