[INFO] fetching crate snowcloud 0.4.0...
[INFO] testing snowcloud-0.4.0 against 1.69.0 for beta-1.70-1
[INFO] extracting crate snowcloud 0.4.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate snowcloud 0.4.0 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 snowcloud 0.4.0
[INFO] finished tweaking crates.io crate snowcloud 0.4.0
[INFO] tweaked toml for crates.io crate snowcloud 0.4.0 written to /workspace/builds/worker-1-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] caa77e0e6a4105c1a9d27814e1dfdb0008754d82e07024614e8a22fd9b6f3ba5
[INFO] running `Command { std: "docker" "start" "-a" "caa77e0e6a4105c1a9d27814e1dfdb0008754d82e07024614e8a22fd9b6f3ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "caa77e0e6a4105c1a9d27814e1dfdb0008754d82e07024614e8a22fd9b6f3ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "caa77e0e6a4105c1a9d27814e1dfdb0008754d82e07024614e8a22fd9b6f3ba5", kill_on_drop: false }`
[INFO] [stdout] caa77e0e6a4105c1a9d27814e1dfdb0008754d82e07024614e8a22fd9b6f3ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 486969e5b786783b1b5c99d38e8b41dc19bd283409c2123614b32834da437e75
[INFO] running `Command { std: "docker" "start" "-a" "486969e5b786783b1b5c99d38e8b41dc19bd283409c2123614b32834da437e75", kill_on_drop: false }`
[INFO] [stderr]    Compiling snowcloud v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "486969e5b786783b1b5c99d38e8b41dc19bd283409c2123614b32834da437e75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486969e5b786783b1b5c99d38e8b41dc19bd283409c2123614b32834da437e75", kill_on_drop: false }`
[INFO] [stdout] 486969e5b786783b1b5c99d38e8b41dc19bd283409c2123614b32834da437e75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] cac6b426761388bb7e92f78c7c8cc1ab48e59f67fc1fd45e79732c501e887697
[INFO] running `Command { std: "docker" "start" "-a" "cac6b426761388bb7e92f78c7c8cc1ab48e59f67fc1fd45e79732c501e887697", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.15
[INFO] [stderr]    Compiling memoffset v0.8.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.14
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling rayon-core v1.11.0
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.5.0
[INFO] [stderr]    Compiling crossbeam-channel v0.5.8
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.3
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling regex-syntax v0.7.1
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling walkdir v2.3.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling rayon v1.7.0
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling regex v1.8.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling snowcloud v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 47.40s
[INFO] running `Command { std: "docker" "inspect" "cac6b426761388bb7e92f78c7c8cc1ab48e59f67fc1fd45e79732c501e887697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac6b426761388bb7e92f78c7c8cc1ab48e59f67fc1fd45e79732c501e887697", kill_on_drop: false }`
[INFO] [stdout] cac6b426761388bb7e92f78c7c8cc1ab48e59f67fc1fd45e79732c501e887697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 06618ab43a39483178c581e4a5ac6d740a3d45b414da1ffb79c39cccdf8be349
[INFO] running `Command { std: "docker" "start" "-a" "06618ab43a39483178c581e4a5ac6d740a3d45b414da1ffb79c39cccdf8be349", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/snowcloud-fb35b27664152352)
[INFO] [stdout] 
[INFO] [stdout] running 15 tests
[INFO] [stdout] test flake::i64::dual::test::to_int_and_back ... ok
[INFO] [stdout] test flake::i64::single::test::properly_calculated_consts ... ok
[INFO] [stdout] test flake::i64::single::test::properly_shifted_integers ... ok
[INFO] [stdout] test flake::i64::single::test::to_int_and_back ... ok
[INFO] [stdout] test flake::i64::dual::test::properly_calculated_consts ... ok
[INFO] [stdout] test flake::i64::dual::test::properly_shifted_integers ... ok
[INFO] [stdout] test flake::u64::dual::test::properly_shifted_integers ... ok
[INFO] [stdout] test flake::u64::dual::test::properly_calculated_consts ... ok
[INFO] [stdout] test flake::u64::dual::test::to_int_and_back ... ok
[INFO] [stdout] test flake::u64::single::test::to_int_and_back ... ok
[INFO] [stdout] test flake::u64::single::test::properly_calculated_consts ... ok
[INFO] [stdout] test flake::u64::single::test::properly_shifted_integers ... ok
[INFO] [stdout] test cloud::sync::test::unique_ids ... ok
[INFO] [stdout] test cloud::test::unique_ids ... ok
[INFO] [stdout] test cloud::sync::test::unique_ids_threaded ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 15 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.13s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests snowcloud
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test src/flake/i64/single.rs - flake::i64::single::SingleIdFlake (line 59) ... FAILED
[INFO] [stdout] test src/flake/i64/dual.rs - flake::i64::dual::DualIdFlake (line 67) ... FAILED
[INFO] [stdout] test src/flake/u64/dual.rs - flake::u64::dual::DualIdFlake (line 67) ... FAILED
[INFO] [stdout] test src/flake/u64/single.rs - flake::u64::single::SingleIdFlake (line 58) ... FAILED
[INFO] [stdout] test src/flake/i64/single.rs - flake::i64::single::SingleIdFlake (line 82) ... ok
[INFO] [stdout] test src/error.rs - error::Error (line 14) ... ok
[INFO] [stdout] test src/flake/u64/dual.rs - flake::u64::dual::DualIdFlake (line 90) ... ok
[INFO] [stdout] test src/cloud/sync.rs - cloud::sync::MutexGenerator (line 24) ... ok
[INFO] [stdout] test src/flake/i64/dual.rs - flake::i64::dual::DualIdFlake (line 90) ... ok
[INFO] [stdout] test src/cloud/mod.rs - cloud::Generator (line 23) ... ok
[INFO] [stdout] test src/flake/u64/single.rs - flake::u64::single::SingleIdFlake (line 81) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 11) ... ok
[INFO] [stdout] test src/lib.rs - (line 91) ... ok
[INFO] [stdout] test src/wait.rs - wait::blocking_next_id (line 38) ... ok
[INFO] [stdout] test src/wait.rs - wait::blocking_next_id_mut (line 90) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/flake/i64/single.rs - flake::i64::single::SingleIdFlake (line 59) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/flake/i64/single.rs:60:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]  --> src/flake/i64/single.rs:64:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]  --> src/flake/i64/single.rs:64:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MyStruct: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/flake/i64/single.rs:73:41
[INFO] [stdout]      |
[INFO] [stdout] 17   | let json_string = serde_json::to_string(&my_struct).unwrap();
[INFO] [stdout]      |                   --------------------- ^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MyStruct`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   required by a bound introduced by this call
[INFO] [stdout]      |
[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]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 144 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.96/src/ser.rs:2145:17
[INFO] [stdout]      |
[INFO] [stdout] 2145 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/flake/i64/dual.rs - flake::i64::dual::DualIdFlake (line 67) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/flake/i64/dual.rs:68:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]  --> src/flake/i64/dual.rs:72:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]  --> src/flake/i64/dual.rs:72:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MyStruct: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/flake/i64/dual.rs:81:41
[INFO] [stdout]      |
[INFO] [stdout] 17   | let json_string = serde_json::to_string(&my_struct).unwrap();
[INFO] [stdout]      |                   --------------------- ^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MyStruct`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   required by a bound introduced by this call
[INFO] [stdout]      |
[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]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 144 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.96/src/ser.rs:2145:17
[INFO] [stdout]      |
[INFO] [stdout] 2145 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/flake/u64/dual.rs - flake::u64::dual::DualIdFlake (line 67) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/flake/u64/dual.rs:68:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]  --> src/flake/u64/dual.rs:72:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]  --> src/flake/u64/dual.rs:72:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MyStruct: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/flake/u64/dual.rs:81:41
[INFO] [stdout]      |
[INFO] [stdout] 17   | let json_string = serde_json::to_string(&my_struct).unwrap();
[INFO] [stdout]      |                   --------------------- ^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MyStruct`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   required by a bound introduced by this call
[INFO] [stdout]      |
[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]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 144 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.96/src/ser.rs:2145:17
[INFO] [stdout]      |
[INFO] [stdout] 2145 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/flake/u64/single.rs - flake::u64::single::SingleIdFlake (line 58) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `serde`
[INFO] [stdout]  --> src/flake/u64/single.rs:59:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |     ^^^^^ use of undeclared crate or module `serde`
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Serialize`
[INFO] [stdout]  --> src/flake/u64/single.rs:63:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the derive macro `Deserialize`
[INFO] [stdout]  --> src/flake/u64/single.rs:63:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `MyStruct: serde::ser::Serialize` is not satisfied
[INFO] [stdout]     --> src/flake/u64/single.rs:72:41
[INFO] [stdout]      |
[INFO] [stdout] 17   | let json_string = serde_json::to_string(&my_struct).unwrap();
[INFO] [stdout]      |                   --------------------- ^^^^^^^^^^ the trait `serde::ser::Serialize` is not implemented for `MyStruct`
[INFO] [stdout]      |                   |
[INFO] [stdout]      |                   required by a bound introduced by this call
[INFO] [stdout]      |
[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]                (T0, T1)
[INFO] [stdout]                (T0, T1, T2)
[INFO] [stdout]                (T0, T1, T2, T3)
[INFO] [stdout]                (T0, T1, T2, T3, T4)
[INFO] [stdout]                (T0, T1, T2, T3, T4, T5)
[INFO] [stdout]              and 144 others
[INFO] [stdout] note: required by a bound in `serde_json::to_string`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_json-1.0.96/src/ser.rs:2145:17
[INFO] [stdout]      |
[INFO] [stdout] 2145 |     T: ?Sized + Serialize,
[INFO] [stdout]      |                 ^^^^^^^^^ required by this bound in `to_string`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[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/flake/i64/dual.rs - flake::i64::dual::DualIdFlake (line 67)
[INFO] [stdout]     src/flake/i64/single.rs - flake::i64::single::SingleIdFlake (line 59)
[INFO] [stdout]     src/flake/u64/dual.rs - flake::u64::dual::DualIdFlake (line 67)
[INFO] [stdout]     src/flake/u64/single.rs - flake::u64::single::SingleIdFlake (line 58)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.05s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "06618ab43a39483178c581e4a5ac6d740a3d45b414da1ffb79c39cccdf8be349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06618ab43a39483178c581e4a5ac6d740a3d45b414da1ffb79c39cccdf8be349", kill_on_drop: false }`
[INFO] [stdout] 06618ab43a39483178c581e4a5ac6d740a3d45b414da1ffb79c39cccdf8be349
