[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] checking dylanbraithwaite/cubical against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dylanbraithwaite/cubical on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking dylanbraithwaite/cubical against try#18c1d185ac7a6a3bf399296b35e4b2736809a756 for pr-146972
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylanbraithwaite%2Fcubical" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dylanbraithwaite/cubical on toolchain 18c1d185ac7a6a3bf399296b35e4b2736809a756
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "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" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itertools v0.10.0
[INFO] [stderr]   Downloaded cons-list v0.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f40fc8f204a1da6560f5c996961ccf337808b39de028526ea17813b6b5966fc3
[INFO] running `Command { std: "docker" "start" "-a" "f40fc8f204a1da6560f5c996961ccf337808b39de028526ea17813b6b5966fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f40fc8f204a1da6560f5c996961ccf337808b39de028526ea17813b6b5966fc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40fc8f204a1da6560f5c996961ccf337808b39de028526ea17813b6b5966fc3", kill_on_drop: false }`
[INFO] [stdout] f40fc8f204a1da6560f5c996961ccf337808b39de028526ea17813b6b5966fc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+18c1d185ac7a6a3bf399296b35e4b2736809a756" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 490b4b506b39936178266a09a8f8c9a702445bb909c0be51025b11fd9d92275b
[INFO] running `Command { std: "docker" "start" "-a" "490b4b506b39936178266a09a8f8c9a702445bb909c0be51025b11fd9d92275b", kill_on_drop: false }`
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking cons-list v0.0.3
[INFO] [stderr]     Checking 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: 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] [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 1.36s
[INFO] running `Command { std: "docker" "inspect" "490b4b506b39936178266a09a8f8c9a702445bb909c0be51025b11fd9d92275b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490b4b506b39936178266a09a8f8c9a702445bb909c0be51025b11fd9d92275b", kill_on_drop: false }`
[INFO] [stdout] 490b4b506b39936178266a09a8f8c9a702445bb909c0be51025b11fd9d92275b
