[INFO] cloning repository https://github.com/dylanbraithwaite/cubical
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dylanbraithwaite/cubical" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50cc6aae7ede9dbef9753fda2ca289359298a3cb
[INFO] testing dylanbraithwaite/cubical against beta-2025-09-21 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dylanbraithwaite/cubical
[INFO] finished tweaking git repo https://github.com/dylanbraithwaite/cubical
[INFO] tweaked toml for git repo https://github.com/dylanbraithwaite/cubical written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dylanbraithwaite/cubical on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dylanbraithwaite/cubical 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3545a36a1edfb393b1074fd8f3eb23fe41a0776ce60e4506104e2638f3c57677
[INFO] running `Command { std: "docker" "start" "-a" "3545a36a1edfb393b1074fd8f3eb23fe41a0776ce60e4506104e2638f3c57677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3545a36a1edfb393b1074fd8f3eb23fe41a0776ce60e4506104e2638f3c57677", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3545a36a1edfb393b1074fd8f3eb23fe41a0776ce60e4506104e2638f3c57677", kill_on_drop: false }`
[INFO] [stdout] 3545a36a1edfb393b1074fd8f3eb23fe41a0776ce60e4506104e2638f3c57677
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6f5c2c5238366f7773ade93b4e2d225183712206accf568b4a50dc7756650a7
[INFO] running `Command { std: "docker" "start" "-a" "d6f5c2c5238366f7773ade93b4e2d225183712206accf568b4a50dc7756650a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling cons-list v0.0.3
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling cubical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected`, `actual`, and `current_expr` are never read
[INFO] [stdout]   --> src/syntax/parser.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     UnexpectedToken {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 44 |         expected: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 45 |         actual: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 46 |         current_expr: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is 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: associated function `new` is never used
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl GlueType {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(faces: FaceSystem, space: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Glue {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(faces: FaceSystem, term: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Unglue {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(faces: FaceSystem, term: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `GlueType`, `Contr`, `Equiv`, `Pres`, `Glue`, and `Unglue` are never constructed
[INFO] [stdout]   --> src/ast/expr.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     GlueType(GlueType),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     Contr(ContrElim),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     Equiv(EquivElim),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     Pres(Pres),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     Glue(Glue),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     Unglue(Unglue),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/ast/expr.rs:281:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl Expr {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 281 |     pub fn transp(space: Term, witness: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 289 |     pub fn contr_prop(space: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn contr_elim(proof: Term, system: FaceSystem) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     pub fn sigma(left_type: Term, right_type: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub fn pres(function: Term, face_system: FaceSystem, witness: Term) -> Expr {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     fn equiv_prop_inner(source: Term, target:Term, func: Term) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     pub fn equiv_prop(source: Term, target: Term, func: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     pub fn equiv_type(source: Term, target: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     pub fn equiv_elim(equiv: Term, system: FaceSystem, witness: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/toplevel/eval.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Parse(syntax::ParseError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is 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] 10 -     Parse(syntax::ParseError),
[INFO] [stdout] 10 +     Parse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/toplevel/eval.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Elab(ElaborationErr),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is 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] 11 -     Elab(ElaborationErr),
[INFO] [stdout] 11 +     Elab(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/toplevel/eval.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TopLevel(toplevel::TopLevelErr),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is 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] 12 -     TopLevel(toplevel::TopLevelErr),
[INFO] [stdout] 12 +     TopLevel(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/elaborate.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnboundVariable(String),
[INFO] [stdout]    |     --------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElaborationErr` has a derived impl for the trait `Debug`, but this is 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] 17 -     UnboundVariable(String),
[INFO] [stdout] 17 +     UnboundVariable(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/elaborate.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |     CompositionHasIncompatibleFaces(String),
[INFO] [stdout]    |     ------------------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElaborationErr` has a derived impl for the trait `Debug`, but this is 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] 31 -     CompositionHasIncompatibleFaces(String),
[INFO] [stdout] 31 +     CompositionHasIncompatibleFaces(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/syntax/lexer.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lex_src(source: &str) -> impl Iterator<Item = Token> {
[INFO] [stdout]   |                        ^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lex_src(source: &str) -> impl Iterator<Item = Token<'_>> {
[INFO] [stdout]   |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/syntax/parser.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn next_tok(&mut self) -> Option<Token> {
[INFO] [stdout]    |                 ^^^^^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn next_tok(&mut self) -> Option<Token<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/toplevel/command.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn parse_command(src: &str) -> TopLevelResult<Command> {
[INFO] [stdout]    |                           ^^^^                    ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn parse_command(src: &str) -> TopLevelResult<Command<'_>> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.60s
[INFO] running `Command { std: "docker" "inspect" "d6f5c2c5238366f7773ade93b4e2d225183712206accf568b4a50dc7756650a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f5c2c5238366f7773ade93b4e2d225183712206accf568b4a50dc7756650a7", kill_on_drop: false }`
[INFO] [stdout] d6f5c2c5238366f7773ade93b4e2d225183712206accf568b4a50dc7756650a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb00358adc43e7dc8f66839b6e478fd457bd1093e194adb5c2198b5c7411dfe4
[INFO] running `Command { std: "docker" "start" "-a" "eb00358adc43e7dc8f66839b6e478fd457bd1093e194adb5c2198b5c7411dfe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling cubical v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:32:24
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:40:30
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:40:42
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stdout]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expr`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:46:34
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:46:53
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stdout]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:52:40
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `amount`
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:52:54
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stdout]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `expected`, `actual`, and `current_expr` are never read
[INFO] [stdout]   --> src/syntax/parser.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |     UnexpectedToken {
[INFO] [stdout]    |     --------------- fields in this variant
[INFO] [stdout] 44 |         expected: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 45 |         actual: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 46 |         current_expr: &'static str,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is 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: associated function `new` is never used
[INFO] [stdout]   --> src/ast/terms/glueing/glue_type.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl GlueType {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(faces: FaceSystem, space: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/terms/glueing/glue.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Glue {
[INFO] [stdout]    | --------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(faces: FaceSystem, term: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/ast/terms/glueing/unglue.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Unglue {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 15 |     pub fn new(faces: FaceSystem, term: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `GlueType`, `Contr`, `Equiv`, `Pres`, `Glue`, and `Unglue` are never constructed
[INFO] [stdout]   --> src/ast/expr.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum Expr {
[INFO] [stdout]    |          ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 19 |     GlueType(GlueType),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     Contr(ContrElim),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 32 |     Equiv(EquivElim),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 33 |     Pres(Pres),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 34 |     Glue(Glue),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 35 |     Unglue(Unglue),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated functions are never used
[INFO] [stdout]    --> src/ast/expr.rs:281:12
[INFO] [stdout]     |
[INFO] [stdout] 222 | impl Expr {
[INFO] [stdout]     | --------- associated functions in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 281 |     pub fn transp(space: Term, witness: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 289 |     pub fn contr_prop(space: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 303 |     pub fn contr_elim(proof: Term, system: FaceSystem) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 307 |     pub fn sigma(left_type: Term, right_type: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 323 |     pub fn pres(function: Term, face_system: FaceSystem, witness: Term) -> Expr {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 330 |     fn equiv_prop_inner(source: Term, target:Term, func: Term) -> Expr {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 350 |     pub fn equiv_prop(source: Term, target: Term, func: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 358 |     pub fn equiv_type(source: Term, target: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 370 |     pub fn equiv_elim(equiv: Term, system: FaceSystem, witness: Term) -> Expr {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/toplevel/eval.rs:10:11
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Parse(syntax::ParseError),
[INFO] [stdout]    |     ----- ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is 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] 10 -     Parse(syntax::ParseError),
[INFO] [stdout] 10 +     Parse(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/toplevel/eval.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Elab(ElaborationErr),
[INFO] [stdout]    |     ---- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is 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] 11 -     Elab(ElaborationErr),
[INFO] [stdout] 11 +     Elab(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/toplevel/eval.rs:12:14
[INFO] [stdout]    |
[INFO] [stdout] 12 |     TopLevel(toplevel::TopLevelErr),
[INFO] [stdout]    |     -------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is 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] 12 -     TopLevel(toplevel::TopLevelErr),
[INFO] [stdout] 12 +     TopLevel(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/elaborate.rs:17:21
[INFO] [stdout]    |
[INFO] [stdout] 17 |     UnboundVariable(String),
[INFO] [stdout]    |     --------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElaborationErr` has a derived impl for the trait `Debug`, but this is 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] 17 -     UnboundVariable(String),
[INFO] [stdout] 17 +     UnboundVariable(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/elaborate.rs:31:37
[INFO] [stdout]    |
[INFO] [stdout] 31 |     CompositionHasIncompatibleFaces(String),
[INFO] [stdout]    |     ------------------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ElaborationErr` has a derived impl for the trait `Debug`, but this is 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] 31 -     CompositionHasIncompatibleFaces(String),
[INFO] [stdout] 31 +     CompositionHasIncompatibleFaces(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]  --> src/syntax/lexer.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lex_src(source: &str) -> impl Iterator<Item = Token> {
[INFO] [stdout]   |                        ^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        the lifetime is elided here
[INFO] [stdout]   |
[INFO] [stdout]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub fn lex_src(source: &str) -> impl Iterator<Item = Token<'_>> {
[INFO] [stdout]   |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/syntax/parser.rs:76:17
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn next_tok(&mut self) -> Option<Token> {
[INFO] [stdout]    |                 ^^^^^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn next_tok(&mut self) -> Option<Token<'_>> {
[INFO] [stdout]    |                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/toplevel/command.rs:15:27
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn parse_command(src: &str) -> TopLevelResult<Command> {
[INFO] [stdout]    |                           ^^^^                    ^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                           |
[INFO] [stdout]    |                           the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn parse_command(src: &str) -> TopLevelResult<Command<'_>> {
[INFO] [stdout]    |                                                          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "eb00358adc43e7dc8f66839b6e478fd457bd1093e194adb5c2198b5c7411dfe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb00358adc43e7dc8f66839b6e478fd457bd1093e194adb5c2198b5c7411dfe4", kill_on_drop: false }`
[INFO] [stdout] eb00358adc43e7dc8f66839b6e478fd457bd1093e194adb5c2198b5c7411dfe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3df20769eaeb1e483e5ffda3824f013c0b90d32e40f97aa8db40aa1d6d12ffe2
[INFO] running `Command { std: "docker" "start" "-a" "3df20769eaeb1e483e5ffda3824f013c0b90d32e40f97aa8db40aa1d6d12ffe2", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:40:42
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stderr]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:46:53
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stderr]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:52:40
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amount`
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:52:54
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stderr]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:40:42
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stderr]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:46:53
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stderr]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:52:40
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amount`
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:52:54
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stderr]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `ctx`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:32:24
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn normalise(self, ctx: &Context) -> Self {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:40:30
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:40:42
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn substitute_expr(self, expr: Expr, var: usize) -> Self {
[INFO] [stderr]    |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:46:34
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stderr]    |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `var`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:46:53
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn substitute_interval(self, expr: IntervalDnf, var: usize) -> Self {
[INFO] [stderr]    |                                                     ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `start`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:52:40
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stderr]    |                                        ^^^^^ help: if this is intentional, prefix it with an underscore: `_start`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `amount`
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:52:54
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn increment_indices_from_by(self, start: usize, amount: usize) -> Self {
[INFO] [stderr]    |                                                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_amount`
[INFO] [stderr] 
[INFO] [stderr] warning: fields `expected`, `actual`, and `current_expr` are never read
[INFO] [stderr]   --> src/syntax/parser.rs:44:9
[INFO] [stderr]    |
[INFO] [stderr] 43 |     UnexpectedToken {
[INFO] [stderr]    |     --------------- fields in this variant
[INFO] [stderr] 44 |         expected: String,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 45 |         actual: String,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 46 |         current_expr: &'static str,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/ast/terms/glueing/glue_type.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl GlueType {
[INFO] [stderr]    | ------------- associated function in this implementation
[INFO] [stderr] 15 |     pub fn new(faces: FaceSystem, space: Term) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/ast/terms/glueing/glue.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Glue {
[INFO] [stderr]    | --------- associated function in this implementation
[INFO] [stderr] 15 |     pub fn new(faces: FaceSystem, term: Term) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/ast/terms/glueing/unglue.rs:15:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl Unglue {
[INFO] [stderr]    | ----------- associated function in this implementation
[INFO] [stderr] 15 |     pub fn new(faces: FaceSystem, term: Term) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `GlueType`, `Contr`, `Equiv`, `Pres`, `Glue`, and `Unglue` are never constructed
[INFO] [stderr]   --> src/ast/expr.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | pub enum Expr {
[INFO] [stderr]    |          ---- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 19 |     GlueType(GlueType),
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 31 |     Contr(ContrElim),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 32 |     Equiv(EquivElim),
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 33 |     Pres(Pres),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 34 |     Glue(Glue),
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] 35 |     Unglue(Unglue),
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Expr` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: multiple associated functions are never used
[INFO] [stderr]    --> src/ast/expr.rs:281:12
[INFO] [stderr]     |
[INFO] [stderr] 222 | impl Expr {
[INFO] [stderr]     | --------- associated functions in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 281 |     pub fn transp(space: Term, witness: Term) -> Expr {
[INFO] [stderr]     |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 289 |     pub fn contr_prop(space: Term) -> Expr {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 303 |     pub fn contr_elim(proof: Term, system: FaceSystem) -> Expr {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 307 |     pub fn sigma(left_type: Term, right_type: Term) -> Expr {
[INFO] [stderr]     |            ^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 323 |     pub fn pres(function: Term, face_system: FaceSystem, witness: Term) -> Expr {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 330 |     fn equiv_prop_inner(source: Term, target:Term, func: Term) -> Expr {
[INFO] [stderr]     |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 350 |     pub fn equiv_prop(source: Term, target: Term, func: Term) -> Expr {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 358 |     pub fn equiv_type(source: Term, target: Term) -> Expr {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 370 |     pub fn equiv_elim(equiv: Term, system: FaceSystem, witness: Term) -> Expr {
[INFO] [stderr]     |            ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/toplevel/eval.rs:10:11
[INFO] [stderr]    |
[INFO] [stderr] 10 |     Parse(syntax::ParseError),
[INFO] [stderr]    |     ----- ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 10 -     Parse(syntax::ParseError),
[INFO] [stderr] 10 +     Parse(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/toplevel/eval.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |     Elab(ElaborationErr),
[INFO] [stderr]    |     ---- ^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 11 -     Elab(ElaborationErr),
[INFO] [stderr] 11 +     Elab(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/toplevel/eval.rs:12:14
[INFO] [stderr]    |
[INFO] [stderr] 12 |     TopLevel(toplevel::TopLevelErr),
[INFO] [stderr]    |     -------- ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ReplErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 12 -     TopLevel(toplevel::TopLevelErr),
[INFO] [stderr] 12 +     TopLevel(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/elaborate.rs:17:21
[INFO] [stderr]    |
[INFO] [stderr] 17 |     UnboundVariable(String),
[INFO] [stderr]    |     --------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ElaborationErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 17 -     UnboundVariable(String),
[INFO] [stderr] 17 +     UnboundVariable(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/elaborate.rs:31:37
[INFO] [stderr]    |
[INFO] [stderr] 31 |     CompositionHasIncompatibleFaces(String),
[INFO] [stderr]    |     ------------------------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ElaborationErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 31 -     CompositionHasIncompatibleFaces(String),
[INFO] [stderr] 31 +     CompositionHasIncompatibleFaces(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]  --> src/syntax/lexer.rs:4:24
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn lex_src(source: &str) -> impl Iterator<Item = Token> {
[INFO] [stderr]   |                        ^^^^                          ^^^^^ the same lifetime is hidden here
[INFO] [stderr]   |                        |
[INFO] [stderr]   |                        the lifetime is elided here
[INFO] [stderr]   |
[INFO] [stderr]   = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]   = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn lex_src(source: &str) -> impl Iterator<Item = Token<'_>> {
[INFO] [stderr]   |                                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/syntax/parser.rs:76:17
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn next_tok(&mut self) -> Option<Token> {
[INFO] [stderr]    |                 ^^^^^^^^^            ^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 76 |     fn next_tok(&mut self) -> Option<Token<'_>> {
[INFO] [stderr]    |                                           ++++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]   --> src/toplevel/command.rs:15:27
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn parse_command(src: &str) -> TopLevelResult<Command> {
[INFO] [stderr]    |                           ^^^^                    ^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                           |
[INFO] [stderr]    |                           the lifetime is elided here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn parse_command(src: &str) -> TopLevelResult<Command<'_>> {
[INFO] [stderr]    |                                                          ++++
[INFO] [stderr] 
[INFO] [stderr] warning: `cubical` (bin "cubical" test) generated 35 warnings (run `cargo fix --bin "cubical" --tests` to apply 3 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/cubical-cdd1654d8aafd2b3)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test ast::terms::paths::path_app::test_normalise_path_app_to_endpoints ... ok
[INFO] [stdout] test interval::test_normalise_interval_to_zero ... ok
[INFO] [stdout] test syntax::test::test_parenthesized_app ... ok
[INFO] [stdout] test syntax::test::test_lambda_right_assoc ... ok
[INFO] [stdout] test syntax::test::test_app_left_assoc ... ok
[INFO] [stdout] test syntax::test::test_parse_path ... ok
[INFO] [stdout] test syntax::test::test_parse_comp ... ok
[INFO] [stdout] test syntax::test::test_parse_interval_formula ... ok
[INFO] [stdout] test syntax::test::test_parse_pi ... ok
[INFO] [stdout] test syntax::test::test_parse_lambda ... ok
[INFO] [stdout] test syntax::test::test_parse_path_bind ... ok
[INFO] [stdout] test syntax::test::test_parse_system ... ok
[INFO] [stdout] test ast::terms::face_systems::composition::test_normalise_composition_unit ... FAILED
[INFO] [stderr] error: test failed, to rerun pass `--bin cubical`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- ast::terms::face_systems::composition::test_normalise_composition_unit stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'ast::terms::face_systems::composition::test_normalise_composition_unit' (16) panicked at src/ast/terms/face_systems/composition.rs:93:5:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: Var(Var { debruijn_index: 0 })
[INFO] [stdout]  right: Var(Var { debruijn_index: 1 })
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x63d0d2d65882 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x63d0d2d65882 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x63d0d2d65882 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x63d0d2d65882 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x63d0d2d75b2f - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x63d0d2d75b2f - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x63d0d2d32ce1 - std::io::default_write_fmt::h69967ac0ba93195f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x63d0d2d32ce1 - std::io::Write::write_fmt::h8db9396209deaa1c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x63d0d2d3ed42 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x63d0d2d438ef - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x63d0d2d43781 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x63d0d2d03f5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h18383b2e29377420
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   12:     0x63d0d2d03f5e - test::test_main_with_exit_callback::{{closure}}::h272d7ef99aef06dc
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x63d0d2d43faf - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h6dba6e441651a0d1
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1999:9
[INFO] [stdout]   14:     0x63d0d2d43faf - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x63d0d2d43e0a - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x63d0d2d3ee79 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x63d0d2d271bd - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x63d0d2d7dc40 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x63d0d2d7da43 - core::panicking::assert_failed_inner::h448e1d534f4c3d4b
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:439:17
[INFO] [stdout]   20:     0x63d0d2cd4ce6 - core::panicking::assert_failed::hb0e0c35bf7aa07e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:394:5
[INFO] [stdout]   21:     0x63d0d2ca0aaa - cubical::ast::terms::face_systems::composition::test_normalise_composition_unit::hf05b21c406e44215
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ast/terms/face_systems/composition.rs:93:5
[INFO] [stdout]   22:     0x63d0d2ca0bc7 - cubical::ast::terms::face_systems::composition::test_normalise_composition_unit::{{closure}}::h26005069c6d93e9c
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ast/terms/face_systems/composition.rs:66:37
[INFO] [stdout]   23:     0x63d0d2cbd656 - core::ops::function::FnOnce::call_once::hbc4e5131744363c8
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x63d0d2d03d1b - core::ops::function::FnOnce::call_once::h70887edf07a630ba
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x63d0d2d03d1b - test::__rust_begin_short_backtrace::h27763c4cbbdb8601
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x63d0d2d19985 - test::run_test_in_process::{{closure}}::h4dc8bc6d5e3924d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x63d0d2d19985 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h75905e8ffe81974f
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x63d0d2d19985 - std::panicking::catch_unwind::do_call::h0bc60366ba66eba5
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x63d0d2d19985 - std::panicking::catch_unwind::hae1ec7bf94407afa
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x63d0d2d19985 - std::panic::catch_unwind::h0f4ff4773d84d3cd
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x63d0d2d19985 - test::run_test_in_process::h03fbc77ae48b3f10
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x63d0d2d19985 - test::run_test::{{closure}}::h83476a9c453dc4d3
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x63d0d2cf0174 - test::run_test::{{closure}}::h515482ad1e7fe7de
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x63d0d2cf0174 - std::sys::backtrace::__rust_begin_short_backtrace::hed09f6ac5fe9d647
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x63d0d2cf3a3a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h988e2cd969319888
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x63d0d2cf3a3a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd70e28dc46ec20be
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x63d0d2cf3a3a - std::panicking::catch_unwind::do_call::hdc29e11311eb7655
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x63d0d2cf3a3a - std::panicking::catch_unwind::h9e402d6a96fef41c
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x63d0d2cf3a3a - std::panic::catch_unwind::h9213c0c54aec70e0
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x63d0d2cf3a3a - std::thread::Builder::spawn_unchecked_::{{closure}}::h6262965869ed2b87
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x63d0d2cf3a3a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h05c05ed02619e462
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x63d0d2d39fdf - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h2044e71c41d3958a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   43:     0x63d0d2d39fdf - std::sys::thread::unix::Thread::new::thread_start::hf277835320aa8e5a
[INFO] [stdout]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/thread/unix.rs:126:17
[INFO] [stdout]   44:     0x73a1aaf87aa4 - <unknown>
[INFO] [stdout]   45:     0x73a1ab014a34 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     ast::terms::face_systems::composition::test_normalise_composition_unit
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3df20769eaeb1e483e5ffda3824f013c0b90d32e40f97aa8db40aa1d6d12ffe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3df20769eaeb1e483e5ffda3824f013c0b90d32e40f97aa8db40aa1d6d12ffe2", kill_on_drop: false }`
[INFO] [stdout] 3df20769eaeb1e483e5ffda3824f013c0b90d32e40f97aa8db40aa1d6d12ffe2
