[INFO] cloning repository https://github.com/Craig-Macomber/exist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Craig-Macomber/exist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2Fexist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2Fexist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 139a0bf6d1efdafdc8d4226edc21b6f8a99808eb
[INFO] checking Craig-Macomber/exist against master#9e293ae9f8abecb0be5105787d181518c9012a19 for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCraig-Macomber%2Fexist" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Craig-Macomber/exist
[INFO] finished tweaking git repo https://github.com/Craig-Macomber/exist
[INFO] tweaked toml for git repo https://github.com/Craig-Macomber/exist written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Craig-Macomber/exist on toolchain 9e293ae9f8abecb0be5105787d181518c9012a19
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Craig-Macomber/exist 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" "+9e293ae9f8abecb0be5105787d181518c9012a19" "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
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] [stderr]   Downloaded digest v0.8.0
[INFO] [stderr]   Downloaded byte-tools v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.83
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded serde_derive v1.0.83
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded opaque-debug v0.2.1
[INFO] [stderr]   Downloaded bincode v1.0.1
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded generic-array v0.12.0
[INFO] [stderr]   Downloaded typenum v1.10.0
[INFO] [stderr]   Downloaded serde_cbor v0.9.0
[INFO] [stderr]   Downloaded half v1.3.0
[INFO] [stderr]   Downloaded blake2 v0.8.0
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27a878675abc29db7a97c2a9b6d540251e67976f7825782afb73848e48d16522
[INFO] running `Command { std: "docker" "start" "-a" "27a878675abc29db7a97c2a9b6d540251e67976f7825782afb73848e48d16522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27a878675abc29db7a97c2a9b6d540251e67976f7825782afb73848e48d16522", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a878675abc29db7a97c2a9b6d540251e67976f7825782afb73848e48d16522", kill_on_drop: false }`
[INFO] [stdout] 27a878675abc29db7a97c2a9b6d540251e67976f7825782afb73848e48d16522
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9e293ae9f8abecb0be5105787d181518c9012a19" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6482e0ef4ea7fc634312009db38732834ce69e211c5318d500f7c1ab47ffd4d
[INFO] running `Command { std: "docker" "start" "-a" "e6482e0ef4ea7fc634312009db38732834ce69e211c5318d500f7c1ab47ffd4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking byte-tools v0.3.0
[INFO] [stderr]     Checking opaque-debug v0.2.1
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking half v1.3.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking blake2 v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.83
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking serde_cbor v0.9.0
[INFO] [stderr]     Checking exist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:176:47
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:182:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:182:54
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:176:47
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                               ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:182:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                           ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Serialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> src/main.rs:182:54
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = note: using a cfg inside a derive macro will use the cfgs from the destination crate and not the ones from the defining crate
[INFO] [stdout]     = help: try referring to `Deserialize` crate for guidance on how handle this unexpected cfg
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous associated item
[INFO] [stdout]   --> src/data_models/leaf_tree.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn visit<V: Visitor<Value = Self::Value>>(&self, v: &mut V) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use fully-qualified syntax: `<leaf_tree::concrete::Concrete<Value> as View>::Value`
[INFO] [stdout]    |
[INFO] [stdout] note: `Value` could refer to the variant defined here
[INFO] [stdout]   --> src/data_models/leaf_tree.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Value(V),
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] note: `Value` could also refer to the associated type defined here
[INFO] [stdout]   --> src/data_models/mod.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |             $(type $Items;)*
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/data_models/leaf_tree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | Visitable!(View, Visitor, Value);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout]    = note: `#[deny(ambiguous_associated_items)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `Visitable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: ambiguous associated item
[INFO] [stdout]   --> src/data_models/leaf_tree.rs:34:37
[INFO] [stdout]    |
[INFO] [stdout] 34 |         fn visit<V: Visitor<Value = Self::Value>>(&self, v: &mut V) {
[INFO] [stdout]    |                                     ^^^^^^^^^^^ help: use fully-qualified syntax: `<leaf_tree::concrete::Concrete<Value> as View>::Value`
[INFO] [stdout]    |
[INFO] [stdout] note: `Value` could refer to the variant defined here
[INFO] [stdout]   --> src/data_models/leaf_tree.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         Value(V),
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] note: `Value` could also refer to the associated type defined here
[INFO] [stdout]   --> src/data_models/mod.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |             $(type $Items;)*
[INFO] [stdout]    |               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/data_models/leaf_tree.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout]  7 | Visitable!(View, Visitor, Value);
[INFO] [stdout]    | -------------------------------- in this macro invocation
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #57644 <https://github.com/rust-lang/rust/issues/57644>
[INFO] [stdout]    = note: `#[deny(ambiguous_associated_items)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout]    = note: this error originates in the macro `Visitable` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTE_PATTERN_TEMPLATE_MARKER` is never used
[INFO] [stdout]   --> src/prefix_encoding.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | const BYTE_PATTERN_TEMPLATE_MARKER: u8 = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TREE_TEMPLATE_MARKER` is never used
[INFO] [stdout]   --> src/prefix_encoding.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 | const TREE_TEMPLATE_MARKER: u8 = 3;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEMPLATE_USE_SEQUENCE_MARKER` is never used
[INFO] [stdout]    --> src/prefix_encoding.rs:112:7
[INFO] [stdout]     |
[INFO] [stdout] 112 | const TEMPLATE_USE_SEQUENCE_MARKER: u8 = 5;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shape` is never constructed
[INFO] [stdout]    --> src/prefix_encoding.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | struct Shape {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape` is never used
[INFO] [stdout]    --> src/prefix_encoding.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn get_shape<TView: View<Value = u8>>(view: TView) -> Shape {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShapeState` is never constructed
[INFO] [stdout]    --> src/prefix_encoding.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct ShapeState {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/leaf_tree_template.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BytePatternTemplate<'a> {
[INFO] [stdout]   |            ------------------- field in this struct
[INFO] [stdout] 4 |     size: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offset` is never read
[INFO] [stdout]   --> src/leaf_tree_template.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OffsetTemplateUse<T> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 16 |     template: T,
[INFO] [stdout] 17 |     offset: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                    ^--------
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    `Serialize` is not local
[INFO] [stdout]     |                                    move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_TestData`
[INFO] [stdout] 177 |     pub struct TestData {
[INFO] [stdout]     |                -------- `TestData` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:176:47
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                               ^----------
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               `Deserialize` is not local
[INFO] [stdout]     |                                               move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_TestData`
[INFO] [stdout] 177 |     pub struct TestData {
[INFO] [stdout]     |                -------- `TestData` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:182:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                           ^--------
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           `Serialize` is not local
[INFO] [stdout]     |                                           move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Color`
[INFO] [stdout] 183 |     pub struct Color {
[INFO] [stdout]     |                ----- `Color` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:182:54
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                                      ^----------
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      `Deserialize` is not local
[INFO] [stdout]     |                                                      move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Color`
[INFO] [stdout] 183 |     pub struct Color {
[INFO] [stdout]     |                ----- `Color` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BYTE_PATTERN_TEMPLATE_MARKER` is never used
[INFO] [stdout]   --> src/prefix_encoding.rs:80:7
[INFO] [stdout]    |
[INFO] [stdout] 80 | const BYTE_PATTERN_TEMPLATE_MARKER: u8 = 2;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TREE_TEMPLATE_MARKER` is never used
[INFO] [stdout]   --> src/prefix_encoding.rs:95:7
[INFO] [stdout]    |
[INFO] [stdout] 95 | const TREE_TEMPLATE_MARKER: u8 = 3;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEMPLATE_USE_SEQUENCE_MARKER` is never used
[INFO] [stdout]    --> src/prefix_encoding.rs:112:7
[INFO] [stdout]     |
[INFO] [stdout] 112 | const TEMPLATE_USE_SEQUENCE_MARKER: u8 = 5;
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Shape` is never constructed
[INFO] [stdout]    --> src/prefix_encoding.rs:176:8
[INFO] [stdout]     |
[INFO] [stdout] 176 | struct Shape {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_shape` is never used
[INFO] [stdout]    --> src/prefix_encoding.rs:180:4
[INFO] [stdout]     |
[INFO] [stdout] 180 | fn get_shape<TView: View<Value = u8>>(view: TView) -> Shape {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ShapeState` is never constructed
[INFO] [stdout]    --> src/prefix_encoding.rs:204:8
[INFO] [stdout]     |
[INFO] [stdout] 204 | struct ShapeState {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `size` is never read
[INFO] [stdout]  --> src/leaf_tree_template.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct BytePatternTemplate<'a> {
[INFO] [stdout]   |            ------------------- field in this struct
[INFO] [stdout] 4 |     size: u32,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `offset` is never read
[INFO] [stdout]   --> src/leaf_tree_template.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct OffsetTemplateUse<T> {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 16 |     template: T,
[INFO] [stdout] 17 |     offset: u32,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:176:36
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                    ^--------
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    `Serialize` is not local
[INFO] [stdout]     |                                    move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_TestData`
[INFO] [stdout] 177 |     pub struct TestData {
[INFO] [stdout]     |                -------- `TestData` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exist` (bin "exist" test) due to 1 previous error; 16 warnings emitted
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:176:47
[INFO] [stdout]     |
[INFO] [stdout] 176 |     #[derive(Debug, Eq, PartialEq, Serialize, Deserialize, Clone)]
[INFO] [stdout]     |                                               ^----------
[INFO] [stdout]     |                                               |
[INFO] [stdout]     |                                               `Deserialize` is not local
[INFO] [stdout]     |                                               move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_TestData`
[INFO] [stdout] 177 |     pub struct TestData {
[INFO] [stdout]     |                -------- `TestData` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:182:43
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                           ^--------
[INFO] [stdout]     |                                           |
[INFO] [stdout]     |                                           `Serialize` is not local
[INFO] [stdout]     |                                           move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_Color`
[INFO] [stdout] 183 |     pub struct Color {
[INFO] [stdout]     |                ----- `Color` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]    --> src/main.rs:182:54
[INFO] [stdout]     |
[INFO] [stdout] 182 |     #[derive(Debug, Eq, PartialEq, Clone, Serialize, Deserialize)]
[INFO] [stdout]     |                                                      ^----------
[INFO] [stdout]     |                                                      |
[INFO] [stdout]     |                                                      `Deserialize` is not local
[INFO] [stdout]     |                                                      move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_Color`
[INFO] [stdout] 183 |     pub struct Color {
[INFO] [stdout]     |                ----- `Color` is not local
[INFO] [stdout]     |
[INFO] [stdout]     = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]     = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]     = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]     = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `exist` (bin "exist") due to 1 previous error; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e6482e0ef4ea7fc634312009db38732834ce69e211c5318d500f7c1ab47ffd4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6482e0ef4ea7fc634312009db38732834ce69e211c5318d500f7c1ab47ffd4d", kill_on_drop: false }`
[INFO] [stdout] e6482e0ef4ea7fc634312009db38732834ce69e211c5318d500f7c1ab47ffd4d
