[INFO] cloning repository https://github.com/WithStomach/course-lab [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WithStomach/course-lab" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWithStomach%2Fcourse-lab", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWithStomach%2Fcourse-lab'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] c49cfda209079ae4d4d67c936dec98c6425a8d41 [INFO] checking WithStomach/course-lab/c49cfda209079ae4d4d67c936dec98c6425a8d41 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWithStomach%2Fcourse-lab" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/WithStomach/course-lab on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/WithStomach/course-lab [INFO] finished tweaking git repo https://github.com/WithStomach/course-lab [INFO] tweaked toml for git repo https://github.com/WithStomach/course-lab written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/WithStomach/course-lab 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded koopa v0.0.7 [INFO] [stderr] Downloaded key-node-list v0.0.5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cf37a4812b659ef5af1fdcaa4dedd21fe117d289882ca49fe0d7142dae3e034b [INFO] running `Command { std: "docker" "start" "-a" "cf37a4812b659ef5af1fdcaa4dedd21fe117d289882ca49fe0d7142dae3e034b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cf37a4812b659ef5af1fdcaa4dedd21fe117d289882ca49fe0d7142dae3e034b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf37a4812b659ef5af1fdcaa4dedd21fe117d289882ca49fe0d7142dae3e034b", kill_on_drop: false }` [INFO] [stdout] cf37a4812b659ef5af1fdcaa4dedd21fe117d289882ca49fe0d7142dae3e034b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1d10fbd7f9196291ea3c747ab4e6a105fd138550e78481c7b30b2e11ada1a70f [INFO] running `Command { std: "docker" "start" "-a" "1d10fbd7f9196291ea3c747ab4e6a105fd138550e78481c7b30b2e11ada1a70f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling autocfg v1.2.0 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling scopeguard v1.2.0 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling siphasher v0.3.11 [INFO] [stderr] Compiling tiny-keccak v2.0.2 [INFO] [stderr] Compiling hashbrown v0.14.3 [INFO] [stderr] Compiling bit-vec v0.6.3 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling precomputed-hash v0.1.1 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling phf_shared v0.10.0 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Checking key-node-list v0.0.5 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling bit-set v0.5.3 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking koopa v0.0.7 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling indexmap v2.2.6 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling parking_lot v0.12.1 [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] Compiling petgraph v0.6.4 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking lalrpop-util v0.20.2 [INFO] [stderr] Compiling regex v1.10.4 [INFO] [stderr] Compiling lalrpop v0.20.2 [INFO] [stderr] Compiling course-lab v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 138 | GlobalItem::Func(func_def) => { [INFO] [stdout] | -------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 156 | GlobalItem::Decl(decl) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 159 | _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ptr_flags` is never read [INFO] [stdout] --> src/ir_gen/show.rs:140:25 [INFO] [stdout] | [INFO] [stdout] 140 | let mut ptr_flags: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 199 | ItemType::Int => { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 202 | ItemType::Void => {} [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] 203 | _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/ir_gen/show.rs:294:25 [INFO] [stdout] | [INFO] [stdout] 294 | let mut var = Variable::Ptr((format!("%{0}", param.id), ItemType::Int)); [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: value assigned to `ptr_flags` is never read [INFO] [stdout] --> src/ir_gen/show.rs:313:17 [INFO] [stdout] | [INFO] [stdout] 313 | let mut ptr_flags: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ds` is never read [INFO] [stdout] --> src/ir_gen/show.rs:355:17 [INFO] [stdout] | [INFO] [stdout] 355 | let mut ds = "".to_string(); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:1058:13 [INFO] [stdout] | [INFO] [stdout] 1058 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:1058:13 [INFO] [stdout] | [INFO] [stdout] 848 | Stmt::Return(exp) => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 874 | Stmt::Assign((lval, exp)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1007 | Stmt::Block(block) => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1017 | Stmt::Exp(exp) => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1058 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 159 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:159:13 [INFO] [stdout] | [INFO] [stdout] 138 | GlobalItem::Func(func_def) => { [INFO] [stdout] | -------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 156 | GlobalItem::Decl(decl) => { [INFO] [stdout] | ---------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 159 | _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ptr_flags` is never read [INFO] [stdout] --> src/ir_gen/show.rs:140:25 [INFO] [stdout] | [INFO] [stdout] 140 | let mut ptr_flags: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 199 | ItemType::Int => { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 202 | ItemType::Void => {} [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] 203 | _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1162 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1077 | UnaryExp::PrimaryExp(pri_exp) => { [INFO] [stdout] | ----------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1082 | UnaryExp::UnaryExp((unary_op, sub_exp)) => { [INFO] [stdout] | --------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1125 | UnaryExp::FuncItem((id, func_r_params)) => { [INFO] [stdout] | --------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1162 | _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:1153:33 [INFO] [stdout] | [INFO] [stdout] 1153 | ... _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:1153:33 [INFO] [stdout] | [INFO] [stdout] 1145 | ... ItemType::Int => { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1150 | ... ItemType::Void => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1153 | ... _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1171:17 [INFO] [stdout] | [INFO] [stdout] 1171 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [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/ir_gen/show.rs:294:25 [INFO] [stdout] | [INFO] [stdout] 294 | let mut var = Variable::Ptr((format!("%{0}", param.id), ItemType::Int)); [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: value assigned to `ptr_flags` is never read [INFO] [stdout] --> src/ir_gen/show.rs:313:17 [INFO] [stdout] | [INFO] [stdout] 313 | let mut ptr_flags: Vec = Vec::new(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ds` is never read [INFO] [stdout] --> src/ir_gen/show.rs:355:17 [INFO] [stdout] | [INFO] [stdout] 355 | let mut ds = "".to_string(); [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1384:17 [INFO] [stdout] | [INFO] [stdout] 1384 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1442:17 [INFO] [stdout] | [INFO] [stdout] 1442 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1505:17 [INFO] [stdout] | [INFO] [stdout] 1505 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op1` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1523:25 [INFO] [stdout] | [INFO] [stdout] 1523 | let mut op1 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op2` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1539:25 [INFO] [stdout] | [INFO] [stdout] 1539 | let mut op2 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1572:17 [INFO] [stdout] | [INFO] [stdout] 1572 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op1` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1590:25 [INFO] [stdout] | [INFO] [stdout] 1590 | let mut op1 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op2` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1606:25 [INFO] [stdout] | [INFO] [stdout] 1606 | let mut op2 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1646:17 [INFO] [stdout] | [INFO] [stdout] 1646 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:1058:13 [INFO] [stdout] | [INFO] [stdout] 1058 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:1058:13 [INFO] [stdout] | [INFO] [stdout] 848 | Stmt::Return(exp) => { [INFO] [stdout] | ----------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 874 | Stmt::Assign((lval, exp)) => { [INFO] [stdout] | ------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1007 | Stmt::Block(block) => { [INFO] [stdout] | ------------------ matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1017 | Stmt::Exp(exp) => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1058 | _ => unreachable!(), [INFO] [stdout] | ^ ...and 4 other patterns collectively make this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1701:17 [INFO] [stdout] | [INFO] [stdout] 1701 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1162 | _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:1162:13 [INFO] [stdout] | [INFO] [stdout] 1077 | UnaryExp::PrimaryExp(pri_exp) => { [INFO] [stdout] | ----------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1082 | UnaryExp::UnaryExp((unary_op, sub_exp)) => { [INFO] [stdout] | --------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1125 | UnaryExp::FuncItem((id, func_r_params)) => { [INFO] [stdout] | --------------------------------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1162 | _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/ir_gen/show.rs:1153:33 [INFO] [stdout] | [INFO] [stdout] 1153 | ... _ => unreachable!(), [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/ir_gen/show.rs:1153:33 [INFO] [stdout] | [INFO] [stdout] 1145 | ... ItemType::Int => { [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1150 | ... ItemType::Void => { [INFO] [stdout] | -------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 1153 | ... _ => unreachable!(), [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1171:17 [INFO] [stdout] | [INFO] [stdout] 1171 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1384:17 [INFO] [stdout] | [INFO] [stdout] 1384 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1442:17 [INFO] [stdout] | [INFO] [stdout] 1442 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res_reg` is never read [INFO] [stdout] --> src/koopa2asm.rs:183:25 [INFO] [stdout] | [INFO] [stdout] 183 | let mut res_reg = -1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1505:17 [INFO] [stdout] | [INFO] [stdout] 1505 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op1` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1523:25 [INFO] [stdout] | [INFO] [stdout] 1523 | let mut op1 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op2` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1539:25 [INFO] [stdout] | [INFO] [stdout] 1539 | let mut op2 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1572:17 [INFO] [stdout] | [INFO] [stdout] 1572 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op1` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1590:25 [INFO] [stdout] | [INFO] [stdout] 1590 | let mut op1 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `op2` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1606:25 [INFO] [stdout] | [INFO] [stdout] 1606 | let mut op2 = "".to_string(); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1646:17 [INFO] [stdout] | [INFO] [stdout] 1646 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1701:17 [INFO] [stdout] | [INFO] [stdout] 1701 | let mut res = Res::Nothing; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res_reg` is never read [INFO] [stdout] --> src/koopa2asm.rs:183:25 [INFO] [stdout] | [INFO] [stdout] 183 | let mut res_reg = -1; [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.16s [INFO] running `Command { std: "docker" "inspect" "1d10fbd7f9196291ea3c747ab4e6a105fd138550e78481c7b30b2e11ada1a70f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1d10fbd7f9196291ea3c747ab4e6a105fd138550e78481c7b30b2e11ada1a70f", kill_on_drop: false }` [INFO] [stdout] 1d10fbd7f9196291ea3c747ab4e6a105fd138550e78481c7b30b2e11ada1a70f