[INFO] fetching crate empty_type 0.2.2...
[INFO] testing empty_type-0.2.2 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate empty_type 0.2.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate empty_type 0.2.2
[INFO] finished tweaking crates.io crate empty_type 0.2.2
[INFO] tweaked toml for crates.io crate empty_type 0.2.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate empty_type 0.2.2 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3efca076746647299e0fe757f79033a76df6040369b970d3598fb537c0fb232b
[INFO] running `Command { std: "docker" "start" "-a" "3efca076746647299e0fe757f79033a76df6040369b970d3598fb537c0fb232b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3efca076746647299e0fe757f79033a76df6040369b970d3598fb537c0fb232b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3efca076746647299e0fe757f79033a76df6040369b970d3598fb537c0fb232b", kill_on_drop: false }`
[INFO] [stdout] 3efca076746647299e0fe757f79033a76df6040369b970d3598fb537c0fb232b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f9fa5a6e356cb243535b9375d5e4ab2f13de6d5f2654f5ad6dde6df2679868f
[INFO] running `Command { std: "docker" "start" "-a" "3f9fa5a6e356cb243535b9375d5e4ab2f13de6d5f2654f5ad6dde6df2679868f", kill_on_drop: false }`
[INFO] [stderr]    Compiling empty_type_traits v0.2.2
[INFO] [stderr]    Compiling empty_type v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(docs_rs, feature(doc_cfg))]
[INFO] [stdout]   |             ^^^^^^^ help: there is a config with a similar name: `docsrs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs)");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "3f9fa5a6e356cb243535b9375d5e4ab2f13de6d5f2654f5ad6dde6df2679868f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f9fa5a6e356cb243535b9375d5e4ab2f13de6d5f2654f5ad6dde6df2679868f", kill_on_drop: false }`
[INFO] [stdout] 3f9fa5a6e356cb243535b9375d5e4ab2f13de6d5f2654f5ad6dde6df2679868f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de9f2d54524d14fd2cdf7801fff57937ef42c62c8ef042e8ac9eee63450e0d5c
[INFO] running `Command { std: "docker" "start" "-a" "de9f2d54524d14fd2cdf7801fff57937ef42c62c8ef042e8ac9eee63450e0d5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(docs_rs, feature(doc_cfg))]
[INFO] [stdout]   |             ^^^^^^^ help: there is a config with a similar name: `docsrs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs)");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling empty_type v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unexpected `cfg` condition name: `docs_rs`
[INFO] [stdout]  --> src/lib.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(docs_rs, feature(doc_cfg))]
[INFO] [stdout]   |             ^^^^^^^ help: there is a config with a similar name: `docsrs`
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider using a Cargo feature instead
[INFO] [stdout]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stdout]            [lints.rust]
[INFO] [stdout]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs)'] }
[INFO] [stdout]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs)");` to the top of the `build.rs`
[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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "de9f2d54524d14fd2cdf7801fff57937ef42c62c8ef042e8ac9eee63450e0d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de9f2d54524d14fd2cdf7801fff57937ef42c62c8ef042e8ac9eee63450e0d5c", kill_on_drop: false }`
[INFO] [stdout] de9f2d54524d14fd2cdf7801fff57937ef42c62c8ef042e8ac9eee63450e0d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 26dfe9cb3e40394499f15fefed54ccb8be2c8d17234b05190576dc8003cc0fce
[INFO] running `Command { std: "docker" "start" "-a" "26dfe9cb3e40394499f15fefed54ccb8be2c8d17234b05190576dc8003cc0fce", kill_on_drop: false }`
[INFO] [stderr] warning: unexpected `cfg` condition name: `docs_rs`
[INFO] [stderr]  --> src/lib.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![cfg_attr(docs_rs, feature(doc_cfg))]
[INFO] [stderr]   |             ^^^^^^^ help: there is a config with a similar name: `docsrs`
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider using a Cargo feature instead
[INFO] [stderr]   = help: or consider adding in `Cargo.toml` the `check-cfg` lint config for the lint:
[INFO] [stderr]            [lints.rust]
[INFO] [stderr]            unexpected_cfgs = { level = "warn", check-cfg = ['cfg(docs_rs)'] }
[INFO] [stderr]   = help: or consider adding `println!("cargo::rustc-check-cfg=cfg(docs_rs)");` to the top of the `build.rs`
[INFO] [stderr]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stderr]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `empty_type` (lib) generated 1 warning
[INFO] [stderr] warning: `empty_type` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/empty_type-4ccb68b05c9fb357)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests empty_type
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 8) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 79) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 8) stdout ----
[INFO] [stdout] error: cannot find derive macro `EmptyType` in this scope
[INFO] [stdout]   --> src/lib.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | #[derive(EmptyType)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `EmptyType` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | use empty_type::{EmptyType, Empty};
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `empty` in this scope
[INFO] [stdout]   --> src/lib.rs:13:3
[INFO] [stdout]    |
[INFO] [stdout] 13 | #[empty(deserialize, default)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]   --> src/lib.rs:23:16
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Data {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Empty<F>(pub F::Container, pub std::marker::PhantomData<F>)
[INFO] [stdout]    |            ----- required by a bound in this struct
[INFO] [stdout] 22 | where
[INFO] [stdout] 23 |     F: EmptyType;
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `Empty`
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `key` on type `empty_type::Empty<Data>`
[INFO] [stdout]   --> src/lib.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 24 |     assert!(empty.key.is_some());
[INFO] [stdout]    |                   ^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `0`, `1`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]   --> src/lib.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Data {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Empty<F>(pub F::Container, pub std::marker::PhantomData<F>)
[INFO] [stdout]    |            ----- required by a bound in this struct
[INFO] [stdout] 22 | where
[INFO] [stdout] 23 |     F: EmptyType;
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `Empty`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `empty_type::Empty<Data>: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:23:30
[INFO] [stdout]      |
[INFO] [stdout]   23 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `serde::Deserialize<'_>` is not implemented for `empty_type::Empty<Data>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `empty_type::Empty<Data>` 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::Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[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 141 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-1.0.149/src/de.rs:2701:8
[INFO] [stdout]      |
[INFO] [stdout] 2699 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2700 | where
[INFO] [stdout] 2701 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]   --> src/lib.rs:23:30
[INFO] [stdout]    |
[INFO] [stdout] 23 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Data {
[INFO] [stdout]    | ^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Empty<F>(pub F::Container, pub std::marker::PhantomData<F>)
[INFO] [stdout]    |            ----- required by a bound in this struct
[INFO] [stdout] 22 | where
[INFO] [stdout] 23 |     F: EmptyType;
[INFO] [stdout]    |        ^^^^^^^^^ required by this bound in `Empty`
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `mismatch` on type `empty_type::Empty<Data>`
[INFO] [stdout]   --> src/lib.rs:25:19
[INFO] [stdout]    |
[INFO] [stdout] 25 |     assert!(empty.mismatch.is_none());
[INFO] [stdout]    |                   ^^^^^^^^ unknown field
[INFO] [stdout]    |
[INFO] [stdout]    = note: available fields are: `0`, `1`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `resolve` exists for struct `empty_type::Empty<Data>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Data {
[INFO] [stdout]    | ----------- doesn't satisfy `Data: EmptyType`
[INFO] [stdout] ...
[INFO] [stdout] 27 |     let resolved = empty.resolve();
[INFO] [stdout]    |                          ^^^^^^^ method cannot be called on `empty_type::Empty<Data>` due to unsatisfied trait bounds
[INFO] [stdout]    |
[INFO] [stdout]    = note: the following trait bounds were not satisfied:
[INFO] [stdout]            `Data: EmptyType`
[INFO] [stdout] note: the trait `EmptyType` must be implemented
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/lib.rs:82:1
[INFO] [stdout]    |
[INFO] [stdout] 82 | pub trait EmptyType
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 9 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599, E0609.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 79) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `empty_type::deserialize_empty`
[INFO] [stdout]   --> src/lib.rs:81:29
[INFO] [stdout]    |
[INFO] [stdout] 81 | use empty_type::{EmptyType, deserialize_empty};
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^ no `deserialize_empty` in the root
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> src/lib.rs:17:28
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[cfg(feature = "serde")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `serde` feature
[INFO] [stdout] 16 | #[cfg_attr(docs_rs, doc(cfg(feature = "serde")))]
[INFO] [stdout] 17 | pub use empty_type_traits::deserialize_empty;
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `EmptyType` in this scope
[INFO] [stdout]   --> src/lib.rs:84:10
[INFO] [stdout]    |
[INFO] [stdout] 84 | #[derive(EmptyType)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `EmptyType` is imported here, but it is only a trait, without a derive macro
[INFO] [stdout]   --> src/lib.rs:81:18
[INFO] [stdout]    |
[INFO] [stdout] 81 | use empty_type::{EmptyType, deserialize_empty};
[INFO] [stdout]    |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `empty` in this scope
[INFO] [stdout]   --> src/lib.rs:85:3
[INFO] [stdout]    |
[INFO] [stdout] 85 | #[empty(deserialize)]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]    --> src/lib.rs:102:16
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    --> src/lib.rs:86:1
[INFO] [stdout]     |
[INFO] [stdout]  86 | struct Data {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | pub struct Empty<F>(pub F::Container, pub std::marker::PhantomData<F>)
[INFO] [stdout]     |            ----- required by a bound in this struct
[INFO] [stdout]  22 | where
[INFO] [stdout]  23 |     F: EmptyType;
[INFO] [stdout]     |        ^^^^^^^^^ required by this bound in `Empty`
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: the method `resolve` exists for struct `empty_type::Empty<Data>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:103:28
[INFO] [stdout]     |
[INFO] [stdout]  86 | struct Data {
[INFO] [stdout]     | ----------- doesn't satisfy `Data: EmptyType`
[INFO] [stdout] ...
[INFO] [stdout] 103 |     let full_value = value.resolve();
[INFO] [stdout]     |                            ^^^^^^^ method cannot be called on `empty_type::Empty<Data>` due to unsatisfied trait bounds
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Data: EmptyType`
[INFO] [stdout] note: the trait `EmptyType` must be implemented
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/lib.rs:82:1
[INFO] [stdout]     |
[INFO] [stdout]  82 | pub trait EmptyType
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]    --> src/lib.rs:102:42
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    --> src/lib.rs:86:1
[INFO] [stdout]     |
[INFO] [stdout]  86 | struct Data {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | pub struct Empty<F>(pub F::Container, pub std::marker::PhantomData<F>)
[INFO] [stdout]     |            ----- required by a bound in this struct
[INFO] [stdout]  22 | where
[INFO] [stdout]  23 |     F: EmptyType;
[INFO] [stdout]     |        ^^^^^^^^^ required by this bound in `Empty`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `empty_type::Empty<Data>: serde::Deserialize<'de>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:102:42
[INFO] [stdout]      |
[INFO] [stdout]  102 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]      |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `empty_type::Empty<Data>`
[INFO] [stdout]      |
[INFO] [stdout]      = note: for local types consider adding `#[derive(serde::Deserialize)]` to your `empty_type::Empty<Data>` 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 `Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[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 141 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-1.0.149/src/de.rs:2701:8
[INFO] [stdout]      |
[INFO] [stdout] 2699 | pub fn from_str<'a, T>(s: &'a str) -> Result<T>
[INFO] [stdout]      |        -------- required by a bound in this function
[INFO] [stdout] 2700 | where
[INFO] [stdout] 2701 |     T: de::Deserialize<'a>,
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^ required by this bound in `from_str`
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]    --> src/lib.rs:102:42
[INFO] [stdout]     |
[INFO] [stdout] 102 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]     |
[INFO] [stdout] help: the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    --> src/lib.rs:86:1
[INFO] [stdout]     |
[INFO] [stdout]  86 | struct Data {
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]     |
[INFO] [stdout]  21 | pub struct Empty<F>(pub F::Container, pub std::marker::PhantomData<F>)
[INFO] [stdout]     |            ----- required by a bound in this struct
[INFO] [stdout]  22 | where
[INFO] [stdout]  23 |     F: EmptyType;
[INFO] [stdout]     |        ^^^^^^^^^ required by this bound in `Empty`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 8 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 79)
[INFO] [stdout]     src/lib.rs - (line 8)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26dfe9cb3e40394499f15fefed54ccb8be2c8d17234b05190576dc8003cc0fce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26dfe9cb3e40394499f15fefed54ccb8be2c8d17234b05190576dc8003cc0fce", kill_on_drop: false }`
[INFO] [stdout] 26dfe9cb3e40394499f15fefed54ccb8be2c8d17234b05190576dc8003cc0fce
