[INFO] cloning repository https://github.com/imlyzh/min_impls
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/imlyzh/min_impls" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Fmin_impls", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Fmin_impls'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d39e6f05d721760e566c369b2e513a642d2232a7
[INFO] testing imlyzh/min_impls against master#414482f6a0d4e7290f614300581a0b55442552a3 for pr-140985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fimlyzh%2Fmin_impls" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/imlyzh/min_impls on toolchain 414482f6a0d4e7290f614300581a0b55442552a3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/imlyzh/min_impls
[INFO] finished tweaking git repo https://github.com/imlyzh/min_impls
[INFO] tweaked toml for git repo https://github.com/imlyzh/min_impls written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/imlyzh/min_impls 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" "+414482f6a0d4e7290f614300581a0b55442552a3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d66705b68014b03f47785a98231b4873f6034a1772d74670e9a01cbcaea184c
[INFO] running `Command { std: "docker" "start" "-a" "3d66705b68014b03f47785a98231b4873f6034a1772d74670e9a01cbcaea184c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d66705b68014b03f47785a98231b4873f6034a1772d74670e9a01cbcaea184c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d66705b68014b03f47785a98231b4873f6034a1772d74670e9a01cbcaea184c", kill_on_drop: false }`
[INFO] [stdout] 3d66705b68014b03f47785a98231b4873f6034a1772d74670e9a01cbcaea184c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 848e3505e82f9336751fc7e8ce1a3a6091bc139bcb35a8f10547403693a42eb2
[INFO] running `Command { std: "docker" "start" "-a" "848e3505e82f9336751fc7e8ce1a3a6091bc139bcb35a8f10547403693a42eb2", kill_on_drop: false }`
[INFO] [stderr]    Compiling min_impls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 Inst::Add(dst, _, _) => {
[INFO] [stdout]    |                 -------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 14 |                 _ => (),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunDef` is never constructed
[INFO] [stdout]  --> src/ir.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FunDef {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_bb` is never used
[INFO] [stdout]   --> src/ir.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FunDef {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 12 |     pub fn get_bb(&self, name: &str) -> Option<&BasicBlock> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BasicBlock` is never constructed
[INFO] [stdout]   --> src/ir.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct BasicBlock {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_next` is never used
[INFO] [stdout]   --> src/ir.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl BasicBlock {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     pub fn get_next(&self) -> Option<Vec<&String>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Inst` is never used
[INFO] [stdout]   --> src/ir.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum Inst {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inst` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Terminator` is never used
[INFO] [stdout]   --> src/ir.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum Terminator {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Terminator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_veriable` is never used
[INFO] [stdout]  --> src/analysis/def_use_analysis.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_all_veriable(fun_def: &FunDef) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fun_ana` is never used
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn fun_ana(fun_def: &FunDef) -> HashMap<Option<String>, HashMap<String, bool>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_pass` is never used
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn one_pass(fun_def: &FunDef, mut inp: HashMap<Option<String>, HashMap<String, bool>>) -> HashMap<Option<String>, HashMap<String, bool>> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basicblock_ana` is never used
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn basicblock_ana(bb: &BasicBlock, mut inp: HashMap<String, bool>) -> HashMap<String, bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     next_set.push_back(Some(next.clone().clone()));
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "848e3505e82f9336751fc7e8ce1a3a6091bc139bcb35a8f10547403693a42eb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "848e3505e82f9336751fc7e8ce1a3a6091bc139bcb35a8f10547403693a42eb2", kill_on_drop: false }`
[INFO] [stdout] 848e3505e82f9336751fc7e8ce1a3a6091bc139bcb35a8f10547403693a42eb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61a061e7c29b807e9dabf1607289976ca5073b3878319ea9ec526b154b1e407c
[INFO] running `Command { std: "docker" "start" "-a" "61a061e7c29b807e9dabf1607289976ca5073b3878319ea9ec526b154b1e407c", kill_on_drop: false }`
[INFO] [stderr]    Compiling min_impls v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 11 |                 Inst::Add(dst, _, _) => {
[INFO] [stdout]    |                 -------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 14 |                 _ => (),
[INFO] [stdout]    |                 ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `FunDef` is never constructed
[INFO] [stdout]  --> src/ir.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct FunDef {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_bb` is never used
[INFO] [stdout]   --> src/ir.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl FunDef {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] 12 |     pub fn get_bb(&self, name: &str) -> Option<&BasicBlock> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BasicBlock` is never constructed
[INFO] [stdout]   --> src/ir.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct BasicBlock {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BasicBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_next` is never used
[INFO] [stdout]   --> src/ir.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl BasicBlock {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 31 |     pub fn get_next(&self) -> Option<Vec<&String>> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Inst` is never used
[INFO] [stdout]   --> src/ir.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub enum Inst {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Inst` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Terminator` is never used
[INFO] [stdout]   --> src/ir.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 | pub enum Terminator {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Terminator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_all_veriable` is never used
[INFO] [stdout]  --> src/analysis/def_use_analysis.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_all_veriable(fun_def: &FunDef) -> Vec<String> {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `fun_ana` is never used
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn fun_ana(fun_def: &FunDef) -> HashMap<Option<String>, HashMap<String, bool>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `one_pass` is never used
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:36:4
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn one_pass(fun_def: &FunDef, mut inp: HashMap<Option<String>, HashMap<String, bool>>) -> HashMap<Option<String>, HashMap<String, bool>> {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `basicblock_ana` is never used
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:64:4
[INFO] [stdout]    |
[INFO] [stdout] 64 | fn basicblock_ana(bb: &BasicBlock, mut inp: HashMap<String, bool>) -> HashMap<String, bool> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stdout]   --> src/analysis/def_use_analysis.rs:50:49
[INFO] [stdout]    |
[INFO] [stdout] 50 |                     next_set.push_back(Some(next.clone().clone()));
[INFO] [stdout]    |                                                 ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "61a061e7c29b807e9dabf1607289976ca5073b3878319ea9ec526b154b1e407c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61a061e7c29b807e9dabf1607289976ca5073b3878319ea9ec526b154b1e407c", kill_on_drop: false }`
[INFO] [stdout] 61a061e7c29b807e9dabf1607289976ca5073b3878319ea9ec526b154b1e407c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+414482f6a0d4e7290f614300581a0b55442552a3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d4c000785c91bbe05e2fb5357fccc90669bd47cfd27b5b849cb8bae87f29f20a
[INFO] running `Command { std: "docker" "start" "-a" "d4c000785c91bbe05e2fb5357fccc90669bd47cfd27b5b849cb8bae87f29f20a", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/analysis/def_use_analysis.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 11 |                 Inst::Add(dst, _, _) => {
[INFO] [stderr]    |                 -------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 14 |                 _ => (),
[INFO] [stderr]    |                 ^ no value can reach this
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `FunDef` is never constructed
[INFO] [stderr]  --> src/ir.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct FunDef {
[INFO] [stdout] 
[INFO] [stderr]   |            ^^^^^^
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: method `get_bb` is never used
[INFO] [stderr]   --> src/ir.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl FunDef {
[INFO] [stderr]    | ----------- method in this implementation
[INFO] [stderr] 12 |     pub fn get_bb(&self, name: &str) -> Option<&BasicBlock> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `BasicBlock` is never constructed
[INFO] [stderr]   --> src/ir.rs:24:12
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub struct BasicBlock {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `BasicBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_next` is never used
[INFO] [stderr]   --> src/ir.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl BasicBlock {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 31 |     pub fn get_next(&self) -> Option<Vec<&String>> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Inst` is never used
[INFO] [stderr]   --> src/ir.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 | pub enum Inst {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Inst` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Terminator` is never used
[INFO] [stderr]   --> src/ir.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 | pub enum Terminator {
[INFO] [stderr]    |          ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Terminator` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_all_veriable` is never used
[INFO] [stderr]  --> src/analysis/def_use_analysis.rs:6:4
[INFO] [stderr]   |
[INFO] [stderr] 6 | fn get_all_veriable(fun_def: &FunDef) -> Vec<String> {
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `fun_ana` is never used
[INFO] [stderr]   --> src/analysis/def_use_analysis.rs:21:4
[INFO] [stderr]    |
[INFO] [stderr] 21 | fn fun_ana(fun_def: &FunDef) -> HashMap<Option<String>, HashMap<String, bool>> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `one_pass` is never used
[INFO] [stderr]   --> src/analysis/def_use_analysis.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn one_pass(fun_def: &FunDef, mut inp: HashMap<Option<String>, HashMap<String, bool>>) -> HashMap<Option<String>, HashMap<String, bool>> {
[INFO] [stderr]    |    ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `basicblock_ana` is never used
[INFO] [stderr]   --> src/analysis/def_use_analysis.rs:64:4
[INFO] [stderr]    |
[INFO] [stderr] 64 | fn basicblock_ana(bb: &BasicBlock, mut inp: HashMap<String, bool>) -> HashMap<String, bool> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `.clone()` on a double reference, which returns `&String` instead of cloning the inner type
[INFO] [stderr]   --> src/analysis/def_use_analysis.rs:50:49
[INFO] [stderr]    |
[INFO] [stderr] 50 |                     next_set.push_back(Some(next.clone().clone()));
[INFO] [stderr]    |                                                 ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(suspicious_double_ref_op)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `min_impls` (bin "min_impls" test) generated 12 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/min_impls-6f1ee1f8c6b78ab4)
[INFO] running `Command { std: "docker" "inspect" "d4c000785c91bbe05e2fb5357fccc90669bd47cfd27b5b849cb8bae87f29f20a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c000785c91bbe05e2fb5357fccc90669bd47cfd27b5b849cb8bae87f29f20a", kill_on_drop: false }`
[INFO] [stdout] d4c000785c91bbe05e2fb5357fccc90669bd47cfd27b5b849cb8bae87f29f20a