[INFO] fetching crate dd-delaunay 0.1.1...
[INFO] checking dd-delaunay-0.1.1 against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] extracting crate dd-delaunay 0.1.1 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate dd-delaunay 0.1.1
[INFO] finished tweaking crates.io crate dd-delaunay 0.1.1
[INFO] tweaked toml for crates.io crate dd-delaunay 0.1.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate dd-delaunay 0.1.1 on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dd-delaunay 0.1.1 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" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded uuid-macro-internal v1.16.0
[INFO] [stderr]   Downloaded peroxide-ad v0.3.0
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[INFO] [stderr]   Downloaded peroxide v0.39.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 540e69242c751950286019b6d8951103370b43c2c18f0a896f72a63cda728483
[INFO] running `Command { std: "docker" "start" "-a" "540e69242c751950286019b6d8951103370b43c2c18f0a896f72a63cda728483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "540e69242c751950286019b6d8951103370b43c2c18f0a896f72a63cda728483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "540e69242c751950286019b6d8951103370b43c2c18f0a896f72a63cda728483", kill_on_drop: false }`
[INFO] [stdout] 540e69242c751950286019b6d8951103370b43c2c18f0a896f72a63cda728483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 929bc7916af441fd9ec18ca5792ead14fcf73f00348096a240aa3ebaa177c5fb
[INFO] running `Command { std: "docker" "start" "-a" "929bc7916af441fd9ec18ca5792ead14fcf73f00348096a240aa3ebaa177c5fb", kill_on_drop: false }`
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[INFO] [stderr]     Checking dd-delaunay v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `Cell<f64, Option<()>, Option<()>, 3>: Serialize` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/cell.rs:1128:48
[INFO] [stdout]      |
[INFO] [stdout] 1128 |         let serialized = serde_json::to_string(&cell).unwrap();
[INFO] [stdout]      |                          --------------------- ^^^^^ unsatisfied trait bound
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `serde::ser::Serialize` is not implemented for `delaunay_core::cell::Cell<f64, std::option::Option<()>, std::option::Option<()>, 3>`
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `delaunay_core::cell::Cell<f64, std::option::Option<()>, std::option::Option<()>, 3>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 139 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/dd_delaunay-60ec5f98bcbdf99f.long-type-12283629872807994124.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Cell<f64, Option<()>, Option<()>, 3>: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/cell.rs:1136:13
[INFO] [stdout]      |
[INFO] [stdout] 1136 |             serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]      |
[INFO] [stdout]      = help: the trait `serde::de::Deserialize<'_>` is not implemented for `delaunay_core::cell::Cell<f64, std::option::Option<()>, std::option::Option<()>, 3>`
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `delaunay_core::cell::Cell<f64, std::option::Option<()>, std::option::Option<()>, 3>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/dd_delaunay-60ec5f98bcbdf99f.long-type-17082608936642932682.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `facet::Facet<f64, std::option::Option<()>, std::option::Option<()>, 3>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/facet.rs:250:48
[INFO] [stdout]      |
[INFO] [stdout] 250  |         let serialized = serde_json::to_string(&facet).unwrap();
[INFO] [stdout]      |                          --------------------- ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `facet::Facet<f64, std::option::Option<()>, std::option::Option<()>, 3>`
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `facet::Facet<f64, std::option::Option<()>, std::option::Option<()>, 3>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 139 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Facet<f64, Option<()>, Option<()>, 3>: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/facet.rs:257:13
[INFO] [stdout]      |
[INFO] [stdout] 257  |             serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `facet::Facet<f64, std::option::Option<()>, std::option::Option<()>, 3>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `facet::Facet<f64, std::option::Option<()>, std::option::Option<()>, 3>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout]      = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/dd_delaunay-60ec5f98bcbdf99f.long-type-11363268687474733404.txt'
[INFO] [stdout]      = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `point::Point<f64, 3>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]    --> src/delaunay_core/point.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         assert_tokens(
[INFO] [stdout]     |         ------------- required by a bound introduced by this call
[INFO] [stdout] 167 |             &point,
[INFO] [stdout]     |             ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `point::Point<f64, 3>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Serialize)]` to your `point::Point<f64, 3>` type
[INFO] [stdout]     = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]     = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]               &'a T
[INFO] [stdout]               &'a mut T
[INFO] [stdout]               ()
[INFO] [stdout]               (T,)
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]               (T0, T1, T2, T3, T4)
[INFO] [stdout]             and 139 others
[INFO] [stdout] note: required by a bound in `assert_tokens`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_test-1.0.177/src/assert.rs:35:8
[INFO] [stdout]     |
[INFO] [stdout] 33  | pub fn assert_tokens<'de, T>(value: &T, tokens: &'de [Token])
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout] 34  | where
[INFO] [stdout] 35  |     T: Serialize + Deserialize<'de> + PartialEq + Debug,
[INFO] [stdout]     |        ^^^^^^^^^ required by this bound in `assert_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `point::Point<f64, 3>: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]    --> src/delaunay_core/point.rs:167:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         assert_tokens(
[INFO] [stdout]     |         ------------- required by a bound introduced by this call
[INFO] [stdout] 167 |             &point,
[INFO] [stdout]     |             ^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `point::Point<f64, 3>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `point::Point<f64, 3>` type
[INFO] [stdout]     = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]     = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]               &'a [u8]
[INFO] [stdout]               &'a std::path::Path
[INFO] [stdout]               &'a str
[INFO] [stdout]               ()
[INFO] [stdout]               (T,)
[INFO] [stdout]               (T0, T1)
[INFO] [stdout]               (T0, T1, T2)
[INFO] [stdout]               (T0, T1, T2, T3)
[INFO] [stdout]             and 146 others
[INFO] [stdout] note: required by a bound in `assert_tokens`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_test-1.0.177/src/assert.rs:35:20
[INFO] [stdout]     |
[INFO] [stdout] 33  | pub fn assert_tokens<'de, T>(value: &T, tokens: &'de [Token])
[INFO] [stdout]     |        ------------- required by a bound in this function
[INFO] [stdout] 34  | where
[INFO] [stdout] 35  |     T: Serialize + Deserialize<'de> + PartialEq + Debug,
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^ required by this bound in `assert_tokens`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `point::Point<f64, 4>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/point.rs:187:48
[INFO] [stdout]      |
[INFO] [stdout] 187  |         let serialized = serde_json::to_string(&point).unwrap();
[INFO] [stdout]      |                          --------------------- ^^^^^^ the trait `serde::ser::Serialize` is not implemented for `point::Point<f64, 4>`
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `point::Point<f64, 4>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 139 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `point::Point<f64, 4>: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/point.rs:191:43
[INFO] [stdout]      |
[INFO] [stdout] 191  |         let deserialized: Point<f64, 4> = serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]      |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `point::Point<f64, 4>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `point::Point<f64, 4>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `triangulation_data_structure::Tds<f64, usize, usize, 4>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/triangulation_data_structure.rs:496:48
[INFO] [stdout]      |
[INFO] [stdout] 496  |         let serialized = serde_json::to_string(&tds).unwrap();
[INFO] [stdout]      |                          --------------------- ^^^^ the trait `serde::ser::Serialize` is not implemented for `triangulation_data_structure::Tds<f64, usize, usize, 4>`
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `triangulation_data_structure::Tds<f64, usize, usize, 4>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 139 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `triangulation_data_structure::Tds<f64, usize, usize, 4>: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/triangulation_data_structure.rs:504:55
[INFO] [stdout]      |
[INFO] [stdout] 504  |         let deserialized: Tds<f64, usize, usize, 4> = serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]      |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `triangulation_data_structure::Tds<f64, usize, usize, 4>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `triangulation_data_structure::Tds<f64, usize, usize, 4>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `vertex::Vertex<f64, std::option::Option<()>, 3>: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/vertex.rs:284:48
[INFO] [stdout]      |
[INFO] [stdout] 284  |         let serialized = serde_json::to_string(&vertex).unwrap();
[INFO] [stdout]      |                          --------------------- ^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `vertex::Vertex<f64, std::option::Option<()>, 3>`
[INFO] [stdout]      |                          |
[INFO] [stdout]      |                          required by a bound introduced by this call
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Serialize)]` to your `vertex::Vertex<f64, std::option::Option<()>, 3>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::ser::Serialize`:
[INFO] [stdout]                &'a T
[INFO] [stdout]                &'a mut T
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 139 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/ser.rs:2239:17
[INFO] [stdout]      |
[INFO] [stdout] 2237 | pub fn to_string<T>(value: &T) -> Result<String>
[INFO] [stdout]      |        --------- required by a bound in this function
[INFO] [stdout] 2238 | where
[INFO] [stdout] 2239 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `vertex::Vertex<f64, std::option::Option<()>, 3>: serde::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/delaunay_core/vertex.rs:289:56
[INFO] [stdout]      |
[INFO] [stdout] 289  |         let deserialized: Vertex<f64, Option<()>, 3> = serde_json::from_str(&serialized).unwrap();
[INFO] [stdout]      |                                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `vertex::Vertex<f64, std::option::Option<()>, 3>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `vertex::Vertex<f64, std::option::Option<()>, 3>` type
[INFO] [stdout]      = note: for types from other crates check whether the crate offers a `serde` feature flag
[INFO] [stdout]      = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a std::path::Path
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[INFO] [stdout]                (T,)
[INFO] [stdout]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]              and 146 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/serde_json-1.0.140/src/de.rs:2699:8
[INFO] [stdout]      |
[INFO] [stdout] 2697 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2698 | where
[INFO] [stdout] 2699 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `dd-delaunay` (lib test) due to 12 previous errors
[INFO] running `Command { std: "docker" "inspect" "929bc7916af441fd9ec18ca5792ead14fcf73f00348096a240aa3ebaa177c5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "929bc7916af441fd9ec18ca5792ead14fcf73f00348096a240aa3ebaa177c5fb", kill_on_drop: false }`
[INFO] [stdout] 929bc7916af441fd9ec18ca5792ead14fcf73f00348096a240aa3ebaa177c5fb
