[INFO] cloning repository https://github.com/zyh3838438zyh/datalog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyh3838438zyh/datalog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyh3838438zyh%2Fdatalog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyh3838438zyh%2Fdatalog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88ec6911f558ca091ce137b19d9a27f4f8da20ad
[INFO] checking zyh3838438zyh/datalog against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyh3838438zyh%2Fdatalog" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zyh3838438zyh/datalog
[INFO] finished tweaking git repo https://github.com/zyh3838438zyh/datalog
[INFO] tweaked toml for git repo https://github.com/zyh3838438zyh/datalog written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zyh3838438zyh/datalog on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zyh3838438zyh/datalog 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking zyh3838438zyh/datalog against try#a7b168ac4977e8e93a43448b44847adaa305d5a9 for pr-150557
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyh3838438zyh%2Fdatalog" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/zyh3838438zyh/datalog
[INFO] finished tweaking git repo https://github.com/zyh3838438zyh/datalog
[INFO] tweaked toml for git repo https://github.com/zyh3838438zyh/datalog written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/zyh3838438zyh/datalog on toolchain a7b168ac4977e8e93a43448b44847adaa305d5a9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/zyh3838438zyh/datalog 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" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0de29911dd5e736861e9dd7562d9c6fccf8fdf09b648f8efd2b6ef518f4b4696
[INFO] running `Command { std: "docker" "start" "-a" "0de29911dd5e736861e9dd7562d9c6fccf8fdf09b648f8efd2b6ef518f4b4696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0de29911dd5e736861e9dd7562d9c6fccf8fdf09b648f8efd2b6ef518f4b4696", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0de29911dd5e736861e9dd7562d9c6fccf8fdf09b648f8efd2b6ef518f4b4696", kill_on_drop: false }`
[INFO] [stdout] 0de29911dd5e736861e9dd7562d9c6fccf8fdf09b648f8efd2b6ef518f4b4696
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+a7b168ac4977e8e93a43448b44847adaa305d5a9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f81800e93da67147e7d942773da9422cd65e6dcd2185f936685c5f669d6e79f
[INFO] running `Command { std: "docker" "start" "-a" "8f81800e93da67147e7d942773da9422cd65e6dcd2185f936685c5f669d6e79f", kill_on_drop: false }`
[INFO] [stderr]     Checking dmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/rel.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     type Iter<'a> = impl Iterator<Item = Self::T<'a>>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-01-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/rel.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |     type Iter = impl Iterator<Item = Cell>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-01-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/eval.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]   --> src/rel.rs:51:21
[INFO] [stdout]    |
[INFO] [stdout] 51 |     type Iter<'a> = impl Iterator<Item = Self::T<'a>>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]    = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-01-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: `impl Trait` in associated types is unstable
[INFO] [stdout]    --> src/rel.rs:124:17
[INFO] [stdout]     |
[INFO] [stdout] 124 |     type Iter = impl Iterator<Item = Cell>;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #63063 <https://github.com/rust-lang/rust/issues/63063> for more information
[INFO] [stdout]     = help: add `#![feature(impl_trait_in_assoc_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-01-14; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/eval.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `generic_associated_types` has been stable since 1.65.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(generic_associated_types)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `T`
[INFO] [stdout]   --> src/rel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type T<'a>: Tuple;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `C`
[INFO] [stdout]   --> src/rel.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type C<'a>: Column;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Iter`
[INFO] [stdout]   --> src/rel.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     type Iter<'a>: Iterator<Item = Self::T<'a>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `T`
[INFO] [stdout]   --> src/rel.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     type T<'a>: Tuple;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `C`
[INFO] [stdout]   --> src/rel.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     type C<'a>: Column;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: missing required bound on `Iter`
[INFO] [stdout]   --> src/rel.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     type Iter<'a>: Iterator<Item = Self::T<'a>>;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^-
[INFO] [stdout]    |                                                |
[INFO] [stdout]    |                                                help: add the required where clause: `where Self: 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: this bound is currently required to ensure that impls have maximum flexibility
[INFO] [stdout]    = note: we are soliciting feedback, see issue #87479 <https://github.com/rust-lang/rust/issues/87479> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/eval.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         loop {
[INFO] [stdout] 73 | |             approx_delta_rels =
[INFO] [stdout] 74 | |                 SemiNaiveEval::eval_approx_delta(rules, schemas, &delta_rels, &rels);
[INFO] [stdout] 75 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 76 |
[INFO] [stdout] 77 |           unimplemented!();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `unimplemented` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/eval.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         loop {
[INFO] [stdout] 73 | |             approx_delta_rels =
[INFO] [stdout] 74 | |                 SemiNaiveEval::eval_approx_delta(rules, schemas, &delta_rels, &rels);
[INFO] [stdout] 75 | |         }
[INFO] [stdout]    | |_________- any code following this expression is unreachable
[INFO] [stdout] 76 |
[INFO] [stdout] 77 |           unimplemented!();
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `unimplemented` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/eval.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut approx_delta_rels = HashMap::<Symbol, R>::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schemas`
[INFO] [stdout]   --> src/eval.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         schemas: &HashMap<Symbol, Schema>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schemas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rels`
[INFO] [stdout]   --> src/eval.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         rels: &HashMap<Symbol, R>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `approx_delta_rels`
[INFO] [stdout]   --> src/eval.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut approx_delta_rels = HashMap::<Symbol, R>::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_approx_delta_rels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]   --> src/eval.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let head = &rule.head;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `approx_delta_rels` is assigned to, but never used
[INFO] [stdout]   --> src/eval.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut approx_delta_rels: HashMap<Symbol, R>;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_approx_delta_rels` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `approx_delta_rels` is never read
[INFO] [stdout]   --> src/eval.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             approx_delta_rels =
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/eval.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut approx_delta_rels = HashMap::<Symbol, R>::new();
[INFO] [stdout]    |             ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `schemas`
[INFO] [stdout]   --> src/eval.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |         schemas: &HashMap<Symbol, Schema>,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_schemas`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rels`
[INFO] [stdout]   --> src/eval.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         rels: &HashMap<Symbol, R>,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_rels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `approx_delta_rels`
[INFO] [stdout]   --> src/eval.rs:23:13
[INFO] [stdout]    |
[INFO] [stdout] 23 |         let mut approx_delta_rels = HashMap::<Symbol, R>::new();
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_approx_delta_rels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `head`
[INFO] [stdout]   --> src/eval.rs:26:17
[INFO] [stdout]    |
[INFO] [stdout] 26 |             let head = &rule.head;
[INFO] [stdout]    |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_head`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `approx_delta_rels` is assigned to, but never used
[INFO] [stdout]   --> src/eval.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 64 |         let mut approx_delta_rels: HashMap<Symbol, R>;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_approx_delta_rels` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `approx_delta_rels` is never read
[INFO] [stdout]   --> src/eval.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |             approx_delta_rels =
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dmt` (lib) due to 5 previous errors; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dmt` (lib test) due to 5 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8f81800e93da67147e7d942773da9422cd65e6dcd2185f936685c5f669d6e79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f81800e93da67147e7d942773da9422cd65e6dcd2185f936685c5f669d6e79f", kill_on_drop: false }`
[INFO] [stdout] 8f81800e93da67147e7d942773da9422cd65e6dcd2185f936685c5f669d6e79f
