[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 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWithStomach%2Fcourse-lab" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [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-1-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/WithStomach/course-lab on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded key-node-list v0.0.5 [INFO] [stderr] Downloaded koopa v0.0.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8ea66b31aa7125aa32c896924b9777c17c45324d2444e75dcecfe874bdc9cae3 [INFO] running `Command { std: "docker" "start" "-a" "8ea66b31aa7125aa32c896924b9777c17c45324d2444e75dcecfe874bdc9cae3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8ea66b31aa7125aa32c896924b9777c17c45324d2444e75dcecfe874bdc9cae3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ea66b31aa7125aa32c896924b9777c17c45324d2444e75dcecfe874bdc9cae3", kill_on_drop: false }` [INFO] [stdout] 8ea66b31aa7125aa32c896924b9777c17c45324d2444e75dcecfe874bdc9cae3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 42372c0f2093f20db54a7eca440faf1817bfa8a2b040150db10e2f35b1b39d70 [INFO] running `Command { std: "docker" "start" "-a" "42372c0f2093f20db54a7eca440faf1817bfa8a2b040150db10e2f35b1b39d70", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling smallvec v1.13.2 [INFO] [stderr] Compiling aho-corasick v1.1.3 [INFO] [stderr] Compiling either v1.10.0 [INFO] [stderr] Compiling new_debug_unreachable v1.0.6 [INFO] [stderr] Compiling ena v0.14.2 [INFO] [stderr] Compiling lock_api v0.4.11 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Compiling pico-args v0.5.0 [INFO] [stderr] Checking key-node-list v0.0.5 [INFO] [stderr] Checking koopa v0.0.7 [INFO] [stderr] Compiling itertools v0.11.0 [INFO] [stderr] Compiling dirs-sys-next v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.9.9 [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] 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)]` (part of `#[warn(unused)]`) 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:140:48 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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:313:40 [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:355:22 [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: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: 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)]` (part of `#[warn(unused)]`) 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:140:48 [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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1171:23 [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 `ptr_flags` is never read [INFO] [stdout] --> src/ir_gen/show.rs:313:40 [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 `res` is never read [INFO] [stdout] --> src/ir_gen/show.rs:1384:23 [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 `ds` is never read [INFO] [stdout] --> src/ir_gen/show.rs:355:22 [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:1442:23 [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:1505:23 [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:1523:31 [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:1539:31 [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:1572:23 [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:1590:31 [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:1606:31 [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:1646:23 [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:1701:23 [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: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: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:1171:23 [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_reg` is never read [INFO] [stdout] --> src/koopa2asm.rs:183:35 [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:1384:23 [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:1442:23 [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:1505:23 [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:1523:31 [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:1539:31 [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:1572:23 [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:1590:31 [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:1606:31 [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:1646:23 [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:1701:23 [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:183:35 [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] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 22.48s [INFO] running `Command { std: "docker" "inspect" "42372c0f2093f20db54a7eca440faf1817bfa8a2b040150db10e2f35b1b39d70", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42372c0f2093f20db54a7eca440faf1817bfa8a2b040150db10e2f35b1b39d70", kill_on_drop: false }` [INFO] [stdout] 42372c0f2093f20db54a7eca440faf1817bfa8a2b040150db10e2f35b1b39d70