[INFO] cloning repository https://github.com/Dynamic-Pistol/scorpionest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Dynamic-Pistol/scorpionest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDynamic-Pistol%2Fscorpionest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDynamic-Pistol%2Fscorpionest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 48c36fa2ac0015054c66695d2511ee3e978a5df3
[INFO] checking Dynamic-Pistol/scorpionest against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDynamic-Pistol%2Fscorpionest" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Dynamic-Pistol/scorpionest
[INFO] finished tweaking git repo https://github.com/Dynamic-Pistol/scorpionest
[INFO] tweaked toml for git repo https://github.com/Dynamic-Pistol/scorpionest written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Dynamic-Pistol/scorpionest on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Dynamic-Pistol/scorpionest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a80715776cdd6ec10646a7c7979d1a7ec00b9401836ca18bf2463088af101522
[INFO] running `Command { std: "docker" "start" "-a" "a80715776cdd6ec10646a7c7979d1a7ec00b9401836ca18bf2463088af101522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80715776cdd6ec10646a7c7979d1a7ec00b9401836ca18bf2463088af101522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80715776cdd6ec10646a7c7979d1a7ec00b9401836ca18bf2463088af101522", kill_on_drop: false }`
[INFO] [stdout] a80715776cdd6ec10646a7c7979d1a7ec00b9401836ca18bf2463088af101522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 671fee056c227d5fbe7e70f10332a7eb77b0c28d32bbe2fbffa4e5c3fcf6da11
[INFO] running `Command { std: "docker" "start" "-a" "671fee056c227d5fbe7e70f10332a7eb77b0c28d32bbe2fbffa4e5c3fcf6da11", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: toolchain
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling rust_decimal v1.36.0
[INFO] [stderr]    Compiling chumsky v1.0.0-alpha.7
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking ahash v0.8.11
[INFO] [stderr]     Checking ariadne v0.4.0
[INFO] [stderr]     Checking pretty v0.12.3
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking lasso v0.7.2
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling logos-codegen v0.14.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling logos-derive v0.14.0
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking logos v0.14.0
[INFO] [stderr]     Checking scorpionest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `param_type`, `param_value_name`, `param_restrictor`, and `param_value_type` are never read
[INFO] [stdout]   --> src/ast/misc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct FuncParameter {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 56 |     pub param_type: Box<Spanned<ParamType>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 57 |     pub param_value_name: Box<Spanned<u64>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub param_restrictor: Option<Spanned<ParamRestrictor>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 59 |     pub param_value_type: Box<Spanned<Type>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncParameter` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `predicate` and `then_branches` are never read
[INFO] [stdout]   --> src/ast/stmt.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MatchStmt {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 14 |     pub predicate: Box<Spanned<Expr>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 15 |     pub then_branches: Spanned<Vec<(Pattern, Statement)>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MatchStmt` 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: field `expr` is never read
[INFO] [stdout]   --> src/ast/stmt.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Expression {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 28 |         expr: Box<Spanned<Expr>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: fields `name`, `parameters`, `return_type`, and `statments` are never read
[INFO] [stdout]   --> src/ast/stmt.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     FuncDeclaration {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 37 |         name: Spanned<u64>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 38 |         parameters: Option<Vec<FuncParameter>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 39 |         return_type: Option<Spanned<Type>>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 40 |         statments: Vec<Spanned<Statement>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: field `0` is never read
[INFO] [stdout]   --> src/ast/stmt.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     MatchStmt(MatchStmt),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 47 -     MatchStmt(MatchStmt),
[INFO] [stdout] 47 +     MatchStmt(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/ast/stmt.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Statement {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 20 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser/parser.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Parser;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `map_new`, `map_move`, and `get_value` are never used
[INFO] [stdout]   --> src/utils/spanned.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Spanned<T> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 23 |     pub fn map_new<R, F>(&self, mapping: F) -> Spanned<R>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn map_move<R, F>(self, mapping: F) -> Spanned<R>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lexer/token.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |     #[regex(r"([a-zA-Z])?[a-zA-Z0-9_]*", |lex| lex.slice().parse().ok().map(|s: String| convert_to_hash(&s)))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lexer/token.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 |     #[regex(r#""[^"]*""#, |lex| lex.slice().parse().ok())]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scorpionest` (bin "scorpionest") due to 2 previous errors; 8 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: fields `param_type`, `param_value_name`, `param_restrictor`, and `param_value_type` are never read
[INFO] [stdout]   --> src/ast/misc.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub struct FuncParameter {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 56 |     pub param_type: Box<Spanned<ParamType>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 57 |     pub param_value_name: Box<Spanned<u64>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub param_restrictor: Option<Spanned<ParamRestrictor>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 59 |     pub param_value_type: Box<Spanned<Type>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `FuncParameter` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `predicate` and `then_branches` are never read
[INFO] [stdout]   --> src/ast/stmt.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct MatchStmt {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 14 |     pub predicate: Box<Spanned<Expr>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 15 |     pub then_branches: Spanned<Vec<(Pattern, Statement)>>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MatchStmt` 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: field `expr` is never read
[INFO] [stdout]   --> src/ast/stmt.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     Expression {
[INFO] [stdout]    |     ---------- field in this variant
[INFO] [stdout] 28 |         expr: Box<Spanned<Expr>>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: fields `name`, `parameters`, `return_type`, and `statments` are never read
[INFO] [stdout]   --> src/ast/stmt.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     FuncDeclaration {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 37 |         name: Spanned<u64>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 38 |         parameters: Option<Vec<FuncParameter>>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 39 |         return_type: Option<Spanned<Type>>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 40 |         statments: Vec<Spanned<Statement>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: field `0` is never read
[INFO] [stdout]   --> src/ast/stmt.rs:47:15
[INFO] [stdout]    |
[INFO] [stdout] 47 |     MatchStmt(MatchStmt),
[INFO] [stdout]    |     --------- ^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 47 -     MatchStmt(MatchStmt),
[INFO] [stdout] 47 +     MatchStmt(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Error` is never constructed
[INFO] [stdout]   --> src/ast/stmt.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Statement {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 20 |     Error,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: struct `Parser` is never constructed
[INFO] [stdout]   --> src/parser/parser.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub struct Parser;
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `map_new`, `map_move`, and `get_value` are never used
[INFO] [stdout]   --> src/utils/spanned.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<T> Spanned<T> {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 23 |     pub fn map_new<R, F>(&self, mapping: F) -> Spanned<R>
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn map_move<R, F>(self, mapping: F) -> Spanned<R>
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     pub fn get_value(&self) -> &T {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lexer/token.rs:142:48
[INFO] [stdout]     |
[INFO] [stdout] 142 |     #[regex(r"([a-zA-Z])?[a-zA-Z0-9_]*", |lex| lex.slice().parse().ok().map(|s: String| convert_to_hash(&s)))]
[INFO] [stdout]     |                                                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/lexer/token.rs:148:33
[INFO] [stdout]     |
[INFO] [stdout] 148 |     #[regex(r#""[^"]*""#, |lex| lex.slice().parse().ok())]
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scorpionest` (bin "scorpionest" test) due to 2 previous errors; 8 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "671fee056c227d5fbe7e70f10332a7eb77b0c28d32bbe2fbffa4e5c3fcf6da11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "671fee056c227d5fbe7e70f10332a7eb77b0c28d32bbe2fbffa4e5c3fcf6da11", kill_on_drop: false }`
[INFO] [stdout] 671fee056c227d5fbe7e70f10332a7eb77b0c28d32bbe2fbffa4e5c3fcf6da11
