[INFO] cloning repository https://github.com/mutkach/types-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mutkach/types-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutkach%2Ftypes-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutkach%2Ftypes-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d3c030459320ff4f069deeb954018b1e70f38d26
[INFO] checking mutkach/types-playground against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmutkach%2Ftypes-playground" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mutkach/types-playground
[INFO] finished tweaking git repo https://github.com/mutkach/types-playground
[INFO] tweaked toml for git repo https://github.com/mutkach/types-playground written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mutkach/types-playground on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mutkach/types-playground 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded logos-derive v0.15.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c04ab868149452e4fdc826358702374876ae1ad531b1fa78e3909ec6cea1dfc1
[INFO] running `Command { std: "docker" "start" "-a" "c04ab868149452e4fdc826358702374876ae1ad531b1fa78e3909ec6cea1dfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c04ab868149452e4fdc826358702374876ae1ad531b1fa78e3909ec6cea1dfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c04ab868149452e4fdc826358702374876ae1ad531b1fa78e3909ec6cea1dfc1", kill_on_drop: false }`
[INFO] [stdout] c04ab868149452e4fdc826358702374876ae1ad531b1fa78e3909ec6cea1dfc1
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[INFO] [stdout] 6366e3f1dc12776180c541e1748a886882e256e1765c70f7eb2b45c3fca959c0
[INFO] running `Command { std: "docker" "start" "-a" "6366e3f1dc12776180c541e1748a886882e256e1765c70f7eb2b45c3fca959c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling rustix v1.0.7
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling nix v0.30.1
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling rustc_version v0.4.1
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[INFO] [stderr]    Compiling syn v2.0.102
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[INFO] [stderr]     Checking unicode-segmentation v1.12.0
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[INFO] [stderr]     Checking rustyline v16.0.0
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
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[INFO] [stderr]    Compiling pest v2.8.0
[INFO] [stderr]     Checking logos v0.15.0
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[INFO] [stderr]    Compiling pest_derive v2.8.0
[INFO] [stderr]     Checking types-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stlc/parser.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut ast = vec![];
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_binding_from_idx` and `get_name_from_idx` are never used
[INFO] [stdout]   --> src/stlc/context.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn get_binding_from_idx(&self, index: usize) -> Binding {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn get_name_from_idx(&self, index: usize) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TApplication` is never constructed
[INFO] [stdout]   --> src/stlc/ast.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum Term {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     TApplication(Box<(Term, Term)>)
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Term` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NameBinding` is never constructed
[INFO] [stdout]   --> src/stlc/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Binding {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 51 |     NameBinding,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Binding` 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: methods `var`, `application`, and `lambda` are never used
[INFO] [stdout]    --> src/stlc/ast.rs:86:12
[INFO] [stdout]     |
[INFO] [stdout] 62  | impl TermBuilder {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn var(&mut self, context: &mut Context, name: &str) -> Term {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     pub fn application(&self, func: Term, arg: Term) -> Term {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn lambda(&mut self, param: &str, body_fn: impl FnOnce(&mut Self) -> Term) -> Term {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `STLCParser` is never constructed
[INFO] [stdout]   --> src/stlc/parser.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct STLCParser;
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/stlc/parser.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn parse() -> Result<Vec<Term>, Error<Rule>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_ast` is never used
[INFO] [stdout]   --> src/stlc/parser.rs:27:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub fn parse_ast(pair: Pair<Rule>, context: &mut Context) -> Option<Term> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/stlc/parser.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut ast = vec![];
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_binding_from_idx` and `get_name_from_idx` are never used
[INFO] [stdout]   --> src/stlc/context.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 5  | impl Context {
[INFO] [stdout]    | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub fn get_binding_from_idx(&self, index: usize) -> Binding {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn get_name_from_idx(&self, index: usize) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `TApplication` is never constructed
[INFO] [stdout]   --> src/stlc/ast.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum Term {
[INFO] [stdout]    |          ---- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 15 |     TApplication(Box<(Term, Term)>)
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Term` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `NameBinding` is never constructed
[INFO] [stdout]   --> src/stlc/ast.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum Binding {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 51 |     NameBinding,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Binding` 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: methods `var`, `application`, and `lambda` are never used
[INFO] [stdout]    --> src/stlc/ast.rs:86:12
[INFO] [stdout]     |
[INFO] [stdout] 62  | impl TermBuilder {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 86  |     pub fn var(&mut self, context: &mut Context, name: &str) -> Term {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 94  |     pub fn application(&self, func: Term, arg: Term) -> Term {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 106 |     pub fn lambda(&mut self, param: &str, body_fn: impl FnOnce(&mut Self) -> Term) -> Term {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse` is never used
[INFO] [stdout]   --> src/stlc/parser.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn parse() -> Result<Vec<Term>, Error<Rule>> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "6366e3f1dc12776180c541e1748a886882e256e1765c70f7eb2b45c3fca959c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6366e3f1dc12776180c541e1748a886882e256e1765c70f7eb2b45c3fca959c0", kill_on_drop: false }`
[INFO] [stdout] 6366e3f1dc12776180c541e1748a886882e256e1765c70f7eb2b45c3fca959c0
