[INFO] fetching crate empty_type 0.2.2...
[INFO] testing empty_type-0.2.2 against 1.69.0 for beta-1.70-1
[INFO] extracting crate empty_type 0.2.2 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate empty_type 0.2.2 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded empty_type_traits v0.2.2
[INFO] [stderr]   Downloaded empty_type_derive v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c401b5d3b430e4620494cb921198cd6a252cbefaccfcb305a7f5b22d2884dfc1
[INFO] running `Command { std: "docker" "start" "-a" "c401b5d3b430e4620494cb921198cd6a252cbefaccfcb305a7f5b22d2884dfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c401b5d3b430e4620494cb921198cd6a252cbefaccfcb305a7f5b22d2884dfc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c401b5d3b430e4620494cb921198cd6a252cbefaccfcb305a7f5b22d2884dfc1", kill_on_drop: false }`
[INFO] [stdout] c401b5d3b430e4620494cb921198cd6a252cbefaccfcb305a7f5b22d2884dfc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d02bed35a3521cfea4e470b661e54c266b9f179cdf6d66fd9622252bfef958
[INFO] running `Command { std: "docker" "start" "-a" "e3d02bed35a3521cfea4e470b661e54c266b9f179cdf6d66fd9622252bfef958", 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "e3d02bed35a3521cfea4e470b661e54c266b9f179cdf6d66fd9622252bfef958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d02bed35a3521cfea4e470b661e54c266b9f179cdf6d66fd9622252bfef958", kill_on_drop: false }`
[INFO] [stdout] e3d02bed35a3521cfea4e470b661e54c266b9f179cdf6d66fd9622252bfef958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf4de14c34e4878e19efe7e6e24ef54c0279b8f61fb46c7f58b5f64b775fb95d
[INFO] running `Command { std: "docker" "start" "-a" "bf4de14c34e4878e19efe7e6e24ef54c0279b8f61fb46c7f58b5f64b775fb95d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling empty_type v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "bf4de14c34e4878e19efe7e6e24ef54c0279b8f61fb46c7f58b5f64b775fb95d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf4de14c34e4878e19efe7e6e24ef54c0279b8f61fb46c7f58b5f64b775fb95d", kill_on_drop: false }`
[INFO] [stdout] bf4de14c34e4878e19efe7e6e24ef54c0279b8f61fb46c7f58b5f64b775fb95d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9aa68f7e6798d8bf96e47c9a7928810ce6ae70cc974cf9b30a2db20e6c945962
[INFO] running `Command { std: "docker" "start" "-a" "9aa68f7e6798d8bf96e47c9a7928810ce6ae70cc974cf9b30a2db20e6c945962", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/empty_type-213e65409c463bba)
[INFO] [stdout] 
[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] [stderr]    Doc-tests empty_type
[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] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - (line 128) ... ok
[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:11:10
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[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:9:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | use empty_type::{EmptyType, Empty};
[INFO] [stdout]   |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `empty` in this scope
[INFO] [stdout]  --> src/lib.rs:12:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[empty(deserialize, default)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]   --> src/lib.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^ the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[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:23:19
[INFO] [stdout]    |
[INFO] [stdout] 17 |     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:22:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[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::de::Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:22:30
[INFO] [stdout]      |
[INFO] [stdout] 16   |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]      |                              ^^^^^^^^^^^^^^^^^^^^ the trait `serde::de::Deserialize<'_>` is not implemented for `empty_type::Empty<Data>`
[INFO] [stdout]      |
[INFO] [stdout]      = help: the following other types implement trait `serde::de::Deserialize<'de>`:
[INFO] [stdout]                &'a Path
[INFO] [stdout]                &'a [u8]
[INFO] [stdout]                &'a str
[INFO] [stdout]                ()
[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 127 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.96/src/de.rs:2603:8
[INFO] [stdout]      |
[INFO] [stdout] 2603 |     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:22:30
[INFO] [stdout]    |
[INFO] [stdout] 16 |     let empty: Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^ the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[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:24:19
[INFO] [stdout]    |
[INFO] [stdout] 18 |     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<Data>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:26:26
[INFO] [stdout]    |
[INFO] [stdout] 7  | struct Data {
[INFO] [stdout]    | ----------- doesn't satisfy `Data: EmptyType`
[INFO] [stdout] ...
[INFO] [stdout] 20 |     let resolved = empty.resolve();
[INFO] [stdout]    |                          ^^^^^^^ method cannot be called on `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/github.com-1ecc6299db9ec823/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:80:29
[INFO] [stdout]   |
[INFO] [stdout] 3 | use empty_type::{EmptyType, deserialize_empty};
[INFO] [stdout]   |                             ^^^^^^^^^^^^^^^^^ no `deserialize_empty` in the root
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `EmptyType` in this scope
[INFO] [stdout]  --> src/lib.rs:83:10
[INFO] [stdout]   |
[INFO] [stdout] 6 | #[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:80:18
[INFO] [stdout]   |
[INFO] [stdout] 3 | 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:84:3
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[empty(deserialize)]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Data: EmptyType` is not satisfied
[INFO] [stdout]   --> src/lib.rs:101:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^ the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[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<Data>`, but its trait bounds were not satisfied
[INFO] [stdout]   --> src/lib.rs:102:28
[INFO] [stdout]    |
[INFO] [stdout] 8  | struct Data {
[INFO] [stdout]    | ----------- doesn't satisfy `Data: EmptyType`
[INFO] [stdout] ...
[INFO] [stdout] 25 |     let full_value = value.resolve();
[INFO] [stdout]    |                            ^^^^^^^ method cannot be called on `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/github.com-1ecc6299db9ec823/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:101:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[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>: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/lib.rs:101:42
[INFO] [stdout]      |
[INFO] [stdout] 24   |     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]      = 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]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]              and 127 others
[INFO] [stdout] note: required by a bound in `serde_json::from_str`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.96/src/de.rs:2603:8
[INFO] [stdout]      |
[INFO] [stdout] 2603 |     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:101:42
[INFO] [stdout]    |
[INFO] [stdout] 24 |     let value: empty_type::Empty<Data> = serde_json::from_str(JSON).unwrap();
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^ the trait `EmptyType` is not implemented for `Data`
[INFO] [stdout]    |
[INFO] [stdout] note: required by a bound in `empty_type::Empty`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/empty_type_traits-0.2.2/src/empty.rs:23:8
[INFO] [stdout]    |
[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 0.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9aa68f7e6798d8bf96e47c9a7928810ce6ae70cc974cf9b30a2db20e6c945962", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aa68f7e6798d8bf96e47c9a7928810ce6ae70cc974cf9b30a2db20e6c945962", kill_on_drop: false }`
[INFO] [stdout] 9aa68f7e6798d8bf96e47c9a7928810ce6ae70cc974cf9b30a2db20e6c945962
