[INFO] fetching crate solstat 0.5.0...
[INFO] testing solstat-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate solstat 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate solstat 0.5.0
[INFO] finished tweaking crates.io crate solstat 0.5.0
[INFO] tweaked toml for crates.io crate solstat 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate solstat 0.5.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate solstat 0.5.0 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 372f4f8a45e6726acf3ff76144c6b76a547ecbe855909fb4cf4793f524709fe3
[INFO] running `Command { std: "docker" "start" "-a" "372f4f8a45e6726acf3ff76144c6b76a547ecbe855909fb4cf4793f524709fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372f4f8a45e6726acf3ff76144c6b76a547ecbe855909fb4cf4793f524709fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372f4f8a45e6726acf3ff76144c6b76a547ecbe855909fb4cf4793f524709fe3", kill_on_drop: false }`
[INFO] [stdout] 372f4f8a45e6726acf3ff76144c6b76a547ecbe855909fb4cf4793f524709fe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1778cbb8828b0624a9f981edd28db644411d4c43b135ce8823342966f021e0f6
[INFO] running `Command { std: "docker" "start" "-a" "1778cbb8828b0624a9f981edd28db644411d4c43b135ce8823342966f021e0f6", kill_on_drop: false }`
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[INFO] [stdout] warning: unused imports: `ContractPart` and `Expression`
[INFO] [stdout]  --> src/analyzer/optimizations/payable_function.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use solang_parser::pt::{self, ContractPart, Expression, Loc};
[INFO] [stdout]   |                               ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SourceUnitPart`
[INFO] [stdout]  --> src/analyzer/optimizations/safe_math.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use solang_parser::pt::{self, Expression, Loc, SourceUnit, SourceUnitPart};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]   --> src/analyzer/optimizations/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout] 27 |     fs,
[INFO] [stdout] 28 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/qa/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 5 |     fs,
[INFO] [stdout] 6 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 7 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `env`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/vulnerabilities/mod.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 6 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/vulnerabilities/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/generation.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/optimization_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/optimization_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/qa_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/qa_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]    |                       |                  |
[INFO] [stdout]    |                       |                  any code following this expression is unreachable
[INFO] [stdout]    |                       unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `QualityAssurance`, which is uninhabited
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_optimizations`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         let file_optimizations =
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_optimizations`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qa`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     qa: QualityAssurance,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_qa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_unit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let source_unit = solang_parser::parse(&file_contents, file_number).unwrap().0;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[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: unused variable: `solidity_minor_version`
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solidity_minor_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/optimization_report.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/qa_report.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/vulnerability_report.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContractPart` and `Expression`
[INFO] [stdout]  --> src/analyzer/optimizations/payable_function.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use solang_parser::pt::{self, ContractPart, Expression, Loc};
[INFO] [stdout]   |                               ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SourceUnitPart`
[INFO] [stdout]  --> src/analyzer/optimizations/safe_math.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use solang_parser::pt::{self, Expression, Loc, SourceUnit, SourceUnitPart};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]   --> src/analyzer/optimizations/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout] 27 |     fs,
[INFO] [stdout] 28 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/qa/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 5 |     fs,
[INFO] [stdout] 6 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 7 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `env`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/vulnerabilities/mod.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 6 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/vulnerabilities/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/generation.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/optimization_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/optimization_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/qa_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/qa_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]    |                       |                  |
[INFO] [stdout]    |                       |                  any code following this expression is unreachable
[INFO] [stdout]    |                       unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `QualityAssurance`, which is uninhabited
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_optimizations`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         let file_optimizations =
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_optimizations`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qa`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     qa: QualityAssurance,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_qa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_unit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let source_unit = solang_parser::parse(&file_contents, file_number).unwrap().0;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[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: unused variable: `solidity_minor_version`
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solidity_minor_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/optimization_report.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/qa_report.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/vulnerability_report.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_targets` is never used
[INFO] [stdout]    --> src/analyzer/ast.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn new_targets(targets: Vec<Target>) -> HashSet<Target> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_constant_variables` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn get_constant_variables(source_unit: pt::SourceUnit) -> HashMap<String, Loc> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_immutable_variables` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn get_immutable_variables(source_unit: pt::SourceUnit) -> HashMap<String, Loc> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_solidity_major_version` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:202:8
[INFO] [stdout]     |
[INFO] [stdout] 202 | pub fn get_solidity_major_version(solidity_version_str: &str) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_solidity_minor_version` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:206:8
[INFO] [stdout]     |
[INFO] [stdout] 206 | pub fn get_solidity_minor_version(solidity_version_str: &str) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_solidity_patch_version` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:210:8
[INFO] [stdout]     |
[INFO] [stdout] 210 | pub fn get_solidity_patch_version(solidity_version_str: &str) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `qa` are never read
[INFO] [stdout]   --> src/opts.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SolstatToml {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 42 |     pub path: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub qa: Vec<String>,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SolstatToml` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `High` and `Medium` are never constructed
[INFO] [stdout]   --> src/report/vulnerability_report.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub enum VulnerabilitySeverity {
[INFO] [stdout]    |          --------------------- variants in this enum
[INFO] [stdout] 82 |     High,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 83 |     Medium,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "1778cbb8828b0624a9f981edd28db644411d4c43b135ce8823342966f021e0f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1778cbb8828b0624a9f981edd28db644411d4c43b135ce8823342966f021e0f6", kill_on_drop: false }`
[INFO] [stdout] 1778cbb8828b0624a9f981edd28db644411d4c43b135ce8823342966f021e0f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 92789ff137c5663eace8354b50d949438515d384273cb33692a41cfa721ac46e
[INFO] running `Command { std: "docker" "start" "-a" "92789ff137c5663eace8354b50d949438515d384273cb33692a41cfa721ac46e", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `ContractPart` and `Expression`
[INFO] [stdout]  --> src/analyzer/optimizations/payable_function.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use solang_parser::pt::{self, ContractPart, Expression, Loc};
[INFO] [stdout]   |                               ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SourceUnitPart`
[INFO] [stdout]  --> src/analyzer/optimizations/safe_math.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use solang_parser::pt::{self, Expression, Loc, SourceUnit, SourceUnitPart};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]   --> src/analyzer/optimizations/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout] 27 |     fs,
[INFO] [stdout] 28 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/qa/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 5 |     fs,
[INFO] [stdout] 6 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 7 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `env`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/vulnerabilities/mod.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 6 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/vulnerabilities/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/generation.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/optimization_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/optimization_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/qa_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/qa_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]    |                       |                  |
[INFO] [stdout]    |                       |                  any code following this expression is unreachable
[INFO] [stdout]    |                       unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `QualityAssurance`, which is uninhabited
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_optimizations`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         let file_optimizations =
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_optimizations`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qa`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     qa: QualityAssurance,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_qa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_unit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let source_unit = solang_parser::parse(&file_contents, file_number).unwrap().0;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[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: unused variable: `solidity_minor_version`
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solidity_minor_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/optimization_report.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/qa_report.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling solstat v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/vulnerability_report.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContractPart` and `Expression`
[INFO] [stdout]  --> src/analyzer/optimizations/payable_function.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use solang_parser::pt::{self, ContractPart, Expression, Loc};
[INFO] [stdout]   |                               ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SourceUnitPart`
[INFO] [stdout]  --> src/analyzer/optimizations/safe_math.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use solang_parser::pt::{self, Expression, Loc, SourceUnit, SourceUnitPart};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]   --> src/analyzer/optimizations/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout] 27 |     fs,
[INFO] [stdout] 28 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/qa/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 5 |     fs,
[INFO] [stdout] 6 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 7 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `env`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/vulnerabilities/mod.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 6 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/vulnerabilities/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/generation.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/optimization_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/optimization_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/qa_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/qa_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ContractPart` and `Expression`
[INFO] [stdout]  --> src/analyzer/optimizations/payable_function.rs:3:31
[INFO] [stdout]   |
[INFO] [stdout] 3 | use solang_parser::pt::{self, ContractPart, Expression, Loc};
[INFO] [stdout]   |                               ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SourceUnitPart`
[INFO] [stdout]  --> src/analyzer/optimizations/safe_math.rs:1:60
[INFO] [stdout]   |
[INFO] [stdout] 1 | use solang_parser::pt::{self, Expression, Loc, SourceUnit, SourceUnitPart};
[INFO] [stdout]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]   --> src/analyzer/optimizations/mod.rs:26:38
[INFO] [stdout]    |
[INFO] [stdout] 26 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]    |                                      ^^^^^^^
[INFO] [stdout] 27 |     fs,
[INFO] [stdout] 28 |     path::PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 29 |     str::FromStr,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/qa/mod.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 5 |     fs,
[INFO] [stdout] 6 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 7 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `HashSet`, `env`, `path::PathBuf`, and `str::FromStr`
[INFO] [stdout]  --> src/analyzer/vulnerabilities/mod.rs:5:38
[INFO] [stdout]   |
[INFO] [stdout] 5 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 6 |     env, fs,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     path::PathBuf,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 8 |     str::FromStr,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stdout]   --> src/analyzer/vulnerabilities/mod.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use solang_parser::pt::SourceUnit;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/generation.rs:2:38
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stdout]   |                                      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/optimization_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/optimization_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/qa_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/qa_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fs`
[INFO] [stdout]  --> src/report/vulnerability_report.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{collections::HashMap, fs};
[INFO] [stdout]   |                                 ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]    |                       |                  |
[INFO] [stdout]    |                       |                  any code following this expression is unreachable
[INFO] [stdout]    |                       unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `QualityAssurance`, which is uninhabited
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_optimizations`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         let file_optimizations =
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_optimizations`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qa`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     qa: QualityAssurance,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_qa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_unit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let source_unit = solang_parser::parse(&file_contents, file_number).unwrap().0;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[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: unused variable: `solidity_minor_version`
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solidity_minor_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/optimization_report.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/qa_report.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/vulnerability_report.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:29
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stdout]    |                       |                  |
[INFO] [stdout]    |                       |                  any code following this expression is unreachable
[INFO] [stdout]    |                       unreachable expression
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `QualityAssurance`, which is uninhabited
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:73:48
[INFO] [stdout]    |
[INFO] [stdout] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_optimizations`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:72:29
[INFO] [stdout]    |
[INFO] [stdout] 72 |                         let file_optimizations =
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_optimizations`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `qa`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:88:5
[INFO] [stdout]    |
[INFO] [stdout] 88 |     qa: QualityAssurance,
[INFO] [stdout]    |     ^^ help: if this is intentional, prefix it with an underscore: `_qa`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `source_unit`
[INFO] [stdout]   --> src/analyzer/qa/mod.rs:93:9
[INFO] [stdout]    |
[INFO] [stdout] 93 |     let source_unit = solang_parser::parse(&file_contents, file_number).unwrap().0;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_unit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[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: unused variable: `solidity_minor_version`
[INFO] [stdout]    --> src/analyzer/utils.rs:180:9
[INFO] [stdout]     |
[INFO] [stdout] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solidity_minor_version`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/optimization_report.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/qa_report.rs:27:29
[INFO] [stdout]    |
[INFO] [stdout] 27 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/report/vulnerability_report.rs:32:29
[INFO] [stdout]    |
[INFO] [stdout] 32 |             for (file_name, mut lines) in matches {
[INFO] [stdout]    |                             ----^^^^^
[INFO] [stdout]    |                             |
[INFO] [stdout]    |                             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `new_targets` is never used
[INFO] [stdout]    --> src/analyzer/ast.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub fn new_targets(targets: Vec<Target>) -> HashSet<Target> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_constant_variables` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:124:8
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub fn get_constant_variables(source_unit: pt::SourceUnit) -> HashMap<String, Loc> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_immutable_variables` is never used
[INFO] [stdout]    --> src/analyzer/utils.rs:149:8
[INFO] [stdout]     |
[INFO] [stdout] 149 | pub fn get_immutable_variables(source_unit: pt::SourceUnit) -> HashMap<String, Loc> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path` and `qa` are never read
[INFO] [stdout]   --> src/opts.rs:42:9
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub struct SolstatToml {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 42 |     pub path: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub qa: Vec<String>,
[INFO] [stdout]    |         ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SolstatToml` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `High` and `Medium` are never constructed
[INFO] [stdout]   --> src/report/vulnerability_report.rs:82:5
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub enum VulnerabilitySeverity {
[INFO] [stdout]    |          --------------------- variants in this enum
[INFO] [stdout] 82 |     High,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 83 |     Medium,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.30s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "92789ff137c5663eace8354b50d949438515d384273cb33692a41cfa721ac46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92789ff137c5663eace8354b50d949438515d384273cb33692a41cfa721ac46e", kill_on_drop: false }`
[INFO] [stdout] 92789ff137c5663eace8354b50d949438515d384273cb33692a41cfa721ac46e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ae8dedaf209578b1238553e1c3965ddd62482b49e0535065801b5fae58122f3
[INFO] running `Command { std: "docker" "start" "-a" "7ae8dedaf209578b1238553e1c3965ddd62482b49e0535065801b5fae58122f3", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `ContractPart` and `Expression`
[INFO] [stderr]  --> src/analyzer/optimizations/payable_function.rs:3:31
[INFO] [stderr]   |
[INFO] [stderr] 3 | use solang_parser::pt::{self, ContractPart, Expression, Loc};
[INFO] [stderr]   |                               ^^^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SourceUnitPart`
[INFO] [stderr]  --> src/analyzer/optimizations/safe_math.rs:1:60
[INFO] [stderr]   |
[INFO] [stderr] 1 | use solang_parser::pt::{self, Expression, Loc, SourceUnit, SourceUnitPart};
[INFO] [stderr]   |                                                            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stderr]   --> src/analyzer/optimizations/mod.rs:26:38
[INFO] [stderr]    |
[INFO] [stderr] 26 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stderr]    |                                      ^^^^^^^
[INFO] [stderr] 27 |     fs,
[INFO] [stderr] 28 |     path::PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 29 |     str::FromStr,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `path::PathBuf`, and `str::FromStr`
[INFO] [stderr]  --> src/analyzer/qa/mod.rs:4:38
[INFO] [stderr]   |
[INFO] [stderr] 4 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stderr]   |                                      ^^^^^^^
[INFO] [stderr] 5 |     fs,
[INFO] [stderr] 6 |     path::PathBuf,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 7 |     str::FromStr,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stderr]   --> src/analyzer/qa/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use solang_parser::pt::SourceUnit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `HashSet`, `env`, `path::PathBuf`, and `str::FromStr`
[INFO] [stderr]  --> src/analyzer/vulnerabilities/mod.rs:5:38
[INFO] [stderr]   |
[INFO] [stderr] 5 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stderr]   |                                      ^^^^^^^
[INFO] [stderr] 6 |     env, fs,
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 7 |     path::PathBuf,
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 8 |     str::FromStr,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `solang_parser::pt::SourceUnit`
[INFO] [stderr]   --> src/analyzer/vulnerabilities/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use solang_parser::pt::SourceUnit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/report/generation.rs:2:38
[INFO] [stderr]   |
[INFO] [stderr] 2 |     collections::{BTreeSet, HashMap, HashSet},
[INFO] [stderr]   |                                      ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/report/optimization_report.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/report/optimization_report.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{collections::HashMap, fs};
[INFO] [stderr]   |                                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/report/qa_report.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/report/qa_report.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{collections::HashMap, fs};
[INFO] [stderr]   |                                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashSet`
[INFO] [stderr]  --> src/report/vulnerability_report.rs:1:34
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::{BTreeSet, HashSet};
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `fs`
[INFO] [stderr]  --> src/report/vulnerability_report.rs:2:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{collections::HashMap, fs};
[INFO] [stderr]   |                                 ^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]   --> src/analyzer/qa/mod.rs:73:29
[INFO] [stderr]    |
[INFO] [stderr] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^--------------^
[INFO] [stderr]    |                       |                  |
[INFO] [stderr]    |                       |                  any code following this expression is unreachable
[INFO] [stderr]    |                       unreachable expression
[INFO] [stderr]    |
[INFO] [stderr] note: this expression has type `QualityAssurance`, which is uninhabited
[INFO] [stderr]   --> src/analyzer/qa/mod.rs:73:48
[INFO] [stderr]    |
[INFO] [stderr] 73 | ...                   qa_locations.entry(target.clone()).or_insert(vec![]);
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^
[INFO] [stderr]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_optimizations`
[INFO] [stderr]   --> src/analyzer/qa/mod.rs:72:29
[INFO] [stderr]    |
[INFO] [stderr] 72 |                         let file_optimizations =
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_optimizations`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `qa`
[INFO] [stderr]   --> src/analyzer/qa/mod.rs:88:5
[INFO] [stderr]    |
[INFO] [stderr] 88 |     qa: QualityAssurance,
[INFO] [stderr]    |     ^^ help: if this is intentional, prefix it with an underscore: `_qa`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source_unit`
[INFO] [stderr]   --> src/analyzer/qa/mod.rs:93:9
[INFO] [stderr]    |
[INFO] [stderr] 93 |     let source_unit = solang_parser::parse(&file_contents, file_number).unwrap().0;
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_source_unit`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/analyzer/utils.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `solidity_minor_version`
[INFO] [stderr]    --> src/analyzer/utils.rs:180:9
[INFO] [stderr]     |
[INFO] [stderr] 180 |     let mut solidity_minor_version: i32 = 0;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_solidity_minor_version`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/report/optimization_report.rs:31:29
[INFO] [stderr]    |
[INFO] [stderr] 31 |             for (file_name, mut lines) in matches {
[INFO] [stderr]    |                             ----^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/report/qa_report.rs:27:29
[INFO] [stderr]    |
[INFO] [stderr] 27 |             for (file_name, mut lines) in matches {
[INFO] [stderr]    |                             ----^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/report/vulnerability_report.rs:32:29
[INFO] [stderr]    |
[INFO] [stderr] 32 |             for (file_name, mut lines) in matches {
[INFO] [stderr]    |                             ----^^^^^
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `solstat` (lib) generated 23 warnings (run `cargo fix --lib -p solstat` to apply 22 suggestions)
[INFO] [stderr] warning: `solstat` (lib test) generated 23 warnings (23 duplicates)
[INFO] [stderr] warning: function `new_targets` is never used
[INFO] [stderr]    --> src/analyzer/ast.rs:104:8
[INFO] [stderr]     |
[INFO] [stderr] 104 | pub fn new_targets(targets: Vec<Target>) -> HashSet<Target> {
[INFO] [stderr]     |        ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_constant_variables` is never used
[INFO] [stderr]    --> src/analyzer/utils.rs:124:8
[INFO] [stderr]     |
[INFO] [stderr] 124 | pub fn get_constant_variables(source_unit: pt::SourceUnit) -> HashMap<String, Loc> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `get_immutable_variables` is never used
[INFO] [stderr]    --> src/analyzer/utils.rs:149:8
[INFO] [stderr]     |
[INFO] [stderr] 149 | pub fn get_immutable_variables(source_unit: pt::SourceUnit) -> HashMap<String, Loc> {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `path` and `qa` are never read
[INFO] [stderr]   --> src/opts.rs:42:9
[INFO] [stderr]    |
[INFO] [stderr] 41 | pub struct SolstatToml {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 42 |     pub path: String,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub qa: Vec<String>,
[INFO] [stderr]    |         ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SolstatToml` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variants `High` and `Medium` are never constructed
[INFO] [stderr]   --> src/report/vulnerability_report.rs:82:5
[INFO] [stderr]    |
[INFO] [stderr] 81 | pub enum VulnerabilitySeverity {
[INFO] [stderr]    |          --------------------- variants in this enum
[INFO] [stderr] 82 |     High,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 83 |     Medium,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `solstat` (bin "solstat" test) generated 28 warnings (23 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: lalrpop v0.19.8
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/solstat-eb517c1e7c7a3a50)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test analyzer::optimizations::address_balance::test_address_balance_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::address_zero::test_address_zero_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::bool_equals_bool::test_analyze_for_if_bool_equals_bool_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::cache_array_length::test_cache_array_length_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::pack_storage_variables::test_pack_storage_variables_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::assign_update_array_value::test_assign_update_array_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::pack_struct_variables::test_pack_struct_variables_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::constant_variables::test_constant_variable_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::increment_decrement::test_increment_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::memory_to_calldata::test_memory_to_calldata_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::private_constant::test_private_constant_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::multiple_require::test_multiple_require_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::immutable_variables::test_immutable_variables_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::optimal_comparison::test_optimal_comparison_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::payable_function::test_payable_function_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::sstore::test_sstore_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::safe_math::test_analyze_for_safe_math_pre_080 ... ok
[INFO] [stdout] test analyzer::optimizations::safe_math::test_analyze_for_safe_math_post_080 ... ok
[INFO] [stdout] test analyzer::optimizations::solidity_keccak256::test_template_optimization ... ok
[INFO] [stdout] test analyzer::qa::template::test_template_qa ... ok
[INFO] [stdout] test analyzer::optimizations::solidity_math::test_analyze_for_math_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::short_revert_string::test_short_revert_string ... ok
[INFO] [stdout] test analyzer::optimizations::template::test_template_optimization ... ok
[INFO] [stdout] test analyzer::vulnerabilities::template::test_template_vulnerability ... ok
[INFO] [stdout] test analyzer::vulnerabilities::unsafe_erc20_operation::test_unsafe_erc20_operation_vulnerability ... ok
[INFO] [stdout] test analyzer::utils::test_get_solidity_minor_version ... ok
[INFO] [stdout] test analyzer::utils::test_get_solidity_version ... ok
[INFO] [stdout] test analyzer::optimizations::string_errors::test_string_error_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::shift_math::test_shift_math_optimization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/solstat-8626a4a65399622d)
[INFO] [stdout] 
[INFO] [stdout] running 29 tests
[INFO] [stdout] test analyzer::optimizations::cache_array_length::test_cache_array_length_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::assign_update_array_value::test_assign_update_array_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::address_balance::test_address_balance_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::bool_equals_bool::test_analyze_for_if_bool_equals_bool_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::immutable_variables::test_immutable_variables_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::address_zero::test_address_zero_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::payable_function::test_payable_function_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::optimal_comparison::test_optimal_comparison_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::private_constant::test_private_constant_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::increment_decrement::test_increment_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::pack_storage_variables::test_pack_storage_variables_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::memory_to_calldata::test_memory_to_calldata_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::constant_variables::test_constant_variable_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::sstore::test_sstore_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::multiple_require::test_multiple_require_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::pack_struct_variables::test_pack_struct_variables_optimization ... ok
[INFO] [stdout] test analyzer::qa::template::test_template_qa ... ok
[INFO] [stdout] test analyzer::optimizations::safe_math::test_analyze_for_safe_math_post_080 ... ok
[INFO] [stdout] test analyzer::utils::test_get_solidity_minor_version ... ok
[INFO] [stdout] test analyzer::optimizations::solidity_keccak256::test_template_optimization ... ok
[INFO] [stdout] test analyzer::vulnerabilities::template::test_template_vulnerability ... ok
[INFO] [stdout] test analyzer::optimizations::string_errors::test_string_error_optimization ... ok
[INFO] [stdout] test analyzer::optimizations::safe_math::test_analyze_for_safe_math_pre_080 ... ok
[INFO] [stdout] test analyzer::optimizations::template::test_template_optimization ... ok
[INFO] [stdout] test analyzer::vulnerabilities::unsafe_erc20_operation::test_unsafe_erc20_operation_vulnerability ... ok
[INFO] [stdout] test analyzer::optimizations::short_revert_string::test_short_revert_string ... ok
[INFO] [stdout] test analyzer::optimizations::solidity_math::test_analyze_for_math_optimization ... ok
[INFO] [stdout] test analyzer::utils::test_get_solidity_version ... ok
[INFO] [stdout] test analyzer::optimizations::shift_math::test_shift_math_optimization ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 29 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests solstat
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ae8dedaf209578b1238553e1c3965ddd62482b49e0535065801b5fae58122f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae8dedaf209578b1238553e1c3965ddd62482b49e0535065801b5fae58122f3", kill_on_drop: false }`
[INFO] [stdout] 7ae8dedaf209578b1238553e1c3965ddd62482b49e0535065801b5fae58122f3
