[INFO] fetching crate libreda-db 0.0.4...
[INFO] checking libreda-db-0.0.4 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate libreda-db 0.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate libreda-db 0.0.4 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate libreda-db 0.0.4
[INFO] finished tweaking crates.io crate libreda-db 0.0.4
[INFO] tweaked toml for crates.io crate libreda-db 0.0.4 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50bdf80a6e20627c7fc5f3d8f71cf289b92803205afefa130920b85e285f37d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "50bdf80a6e20627c7fc5f3d8f71cf289b92803205afefa130920b85e285f37d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50bdf80a6e20627c7fc5f3d8f71cf289b92803205afefa130920b85e285f37d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50bdf80a6e20627c7fc5f3d8f71cf289b92803205afefa130920b85e285f37d3", kill_on_drop: false }`
[INFO] [stdout] 50bdf80a6e20627c7fc5f3d8f71cf289b92803205afefa130920b85e285f37d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e7c545777db1296a76b0a2f08212f23efdcab3115f517891d56abee3b8a0b47
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5e7c545777db1296a76b0a2f08212f23efdcab3115f517891d56abee3b8a0b47", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking genawaiter-macro v0.99.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking genawaiter v0.99.1
[INFO] [stderr]     Checking iron-shapes v0.0.4
[INFO] [stderr]     Checking libreda-db v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `parent_circuit`
[INFO] [stdout]   --> src/netlist/rc_netlist/port.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     parent_circuit: Weak<Circuit>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pins`
[INFO] [stdout]   --> src/netlist/rc_netlist/port.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pins: Vec<Rc<Pin>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/netlist/rc_netlist/pin.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     port: Option<(Rc<Port>, usize)>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dbu`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     dbu: UInt,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shape_index_generator`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     shape_index_generator: IndexGenerator<Shape<C>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `layers_by_name`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     layers_by_name: HashMap<RcString, LayerId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `property_storage`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     property_storage: PropertyStore<RcString>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     index: CellId<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shapes_map`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     shapes_map: HashMap<LayerIndex, Shapes<C>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cell_properties`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     cell_properties: PropertyStore<RcString>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instance_properties`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     instance_properties: HashMap<CellInstId<C>, PropertyStore<RcString>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     name: Option<RcString>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     id: CellInstId<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transform`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     transform: SimpleTransform<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     index: Index<Self>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_id`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     parent_id: Index<Shapes<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     id: Index<Self>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_cell`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     parent_cell: CellId<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shapes`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     shapes: HashMap<ShapeId<C>, Shape<C>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shape_properties`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     shape_properties: HashMap<ShapeId<C>, PropertyStore<RcString>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/netlist/rc_netlist/rc_netlist.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             panic!(format!("Circuit '{}' already exists!", &name));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 118 -             panic!(format!("Circuit '{}' already exists!", &name));
[INFO] [stdout] 118 +             panic!("Circuit '{}' already exists!", &name);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/netlist/rc_netlist/circuit.rs:308:24
[INFO] [stdout]     |
[INFO] [stdout] 308 |                 panic!(format!("Instance with name '{}' already exists.", name));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 308 -                 panic!(format!("Instance with name '{}' already exists.", name));
[INFO] [stdout] 308 +                 panic!("Instance with name '{}' already exists.", name);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_circuit`
[INFO] [stdout]   --> src/netlist/rc_netlist/port.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     parent_circuit: Weak<Circuit>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pins`
[INFO] [stdout]   --> src/netlist/rc_netlist/port.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     pins: Vec<Rc<Pin>>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `port`
[INFO] [stdout]   --> src/netlist/rc_netlist/pin.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     port: Option<(Rc<Port>, usize)>
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dbu`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     dbu: UInt,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shape_index_generator`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     shape_index_generator: IndexGenerator<Shape<C>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `layers_by_name`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     layers_by_name: HashMap<RcString, LayerId>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `property_storage`
[INFO] [stdout]   --> src/layout/hashmap_layout.rs:84:5
[INFO] [stdout]    |
[INFO] [stdout] 84 |     property_storage: PropertyStore<RcString>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     index: CellId<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shapes_map`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:113:5
[INFO] [stdout]     |
[INFO] [stdout] 113 |     shapes_map: HashMap<LayerIndex, Shapes<C>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cell_properties`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:126:5
[INFO] [stdout]     |
[INFO] [stdout] 126 |     cell_properties: PropertyStore<RcString>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `instance_properties`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     instance_properties: HashMap<CellInstId<C>, PropertyStore<RcString>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     name: Option<RcString>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:140:5
[INFO] [stdout]     |
[INFO] [stdout] 140 |     id: CellInstId<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `transform`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:144:5
[INFO] [stdout]     |
[INFO] [stdout] 144 |     transform: SimpleTransform<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 152 |     index: Index<Self>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_id`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:156:5
[INFO] [stdout]     |
[INFO] [stdout] 156 |     parent_id: Index<Shapes<T>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     id: Index<Self>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `parent_cell`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     parent_cell: CellId<C>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shapes`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:169:5
[INFO] [stdout]     |
[INFO] [stdout] 169 |     shapes: HashMap<ShapeId<C>, Shape<C>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shape_properties`
[INFO] [stdout]    --> src/layout/hashmap_layout.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     shape_properties: HashMap<ShapeId<C>, PropertyStore<RcString>>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/netlist/rc_netlist/rc_netlist.rs:118:20
[INFO] [stdout]     |
[INFO] [stdout] 118 |             panic!(format!("Circuit '{}' already exists!", &name));
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 118 -             panic!(format!("Circuit '{}' already exists!", &name));
[INFO] [stdout] 118 +             panic!("Circuit '{}' already exists!", &name);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/netlist/rc_netlist/circuit.rs:308:24
[INFO] [stdout]     |
[INFO] [stdout] 308 |                 panic!(format!("Instance with name '{}' already exists.", name));
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of panic!() is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]     |
[INFO] [stdout] 308 -                 panic!(format!("Instance with name '{}' already exists.", name));
[INFO] [stdout] 308 +                 panic!("Instance with name '{}' already exists.", name);
[INFO] [stdout]     | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> tests/test.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn read_file(path: &str) -> Vec<u8> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.39s
[INFO] running `Command { std: "docker" "inspect" "5e7c545777db1296a76b0a2f08212f23efdcab3115f517891d56abee3b8a0b47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7c545777db1296a76b0a2f08212f23efdcab3115f517891d56abee3b8a0b47", kill_on_drop: false }`
[INFO] [stdout] 5e7c545777db1296a76b0a2f08212f23efdcab3115f517891d56abee3b8a0b47