[INFO] fetching crate schemafy_snapshot 0.4.2...
[INFO] testing schemafy_snapshot-0.4.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate schemafy_snapshot 0.4.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate schemafy_snapshot 0.4.2
[INFO] finished tweaking crates.io crate schemafy_snapshot 0.4.2
[INFO] tweaked toml for crates.io crate schemafy_snapshot 0.4.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate schemafy_snapshot 0.4.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 20 packages to latest compatible versions
[INFO] [stderr]       Adding itertools v0.8.2 (available: v0.14.0)
[INFO] [stderr]       Adding quote v0.3.15 (available: v1.0.45)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5cd4c841a36d0b5f4428cd2b56d8187beda9be492de42bf93f04419933b057bd
[INFO] running `Command { std: "docker" "start" "-a" "5cd4c841a36d0b5f4428cd2b56d8187beda9be492de42bf93f04419933b057bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5cd4c841a36d0b5f4428cd2b56d8187beda9be492de42bf93f04419933b057bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd4c841a36d0b5f4428cd2b56d8187beda9be492de42bf93f04419933b057bd", kill_on_drop: false }`
[INFO] [stdout] 5cd4c841a36d0b5f4428cd2b56d8187beda9be492de42bf93f04419933b057bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f303970ae60762a365b7417ebd1cb68972145d810cdfcaff0036d3235d35c747
[INFO] running `Command { std: "docker" "start" "-a" "f303970ae60762a365b7417ebd1cb68972145d810cdfcaff0036d3235d35c747", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling zmij v1.0.21
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling itoa v1.0.18
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling schemafy_snapshot v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/schema.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[serde(rename = "simpleTypes")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 | #[derive(Clone, PartialEq, Debug, Deserialize, Serialize)]
[INFO] [stdout]   |                                   ----------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:571:5
[INFO] [stdout]     |
[INFO] [stdout] 571 |     try!(
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:570:21
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let mut child = try!(command.stdin(Stdio::piped()).stdout(Stdio::piped()).spawn());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:578:18
[INFO] [stdout]     |
[INFO] [stdout] 578 |     let output = try!(child.wait_with_output());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:583:8
[INFO] [stdout]     |
[INFO] [stdout] 583 |     Ok(try!(String::from_utf8(output.stdout)))
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:618:55
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn build(self, s: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn build(self, s: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:569:69
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn format(mut command: Command, output: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn format(mut command: Command, output: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:651:78
[INFO] [stdout]     |
[INFO] [stdout] 651 | pub fn generate(root_name: Option<&str>, schema: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 651 | pub fn generate(root_name: Option<&str>, schema: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: schemafy_snapshot v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "f303970ae60762a365b7417ebd1cb68972145d810cdfcaff0036d3235d35c747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f303970ae60762a365b7417ebd1cb68972145d810cdfcaff0036d3235d35c747", kill_on_drop: false }`
[INFO] [stdout] f303970ae60762a365b7417ebd1cb68972145d810cdfcaff0036d3235d35c747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 472b50e5ce926a2782e873874b1760ced2431037a131ef2e6a2bf9bc012f1e50
[INFO] running `Command { std: "docker" "start" "-a" "472b50e5ce926a2782e873874b1760ced2431037a131ef2e6a2bf9bc012f1e50", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/schema.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[serde(rename = "simpleTypes")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 | #[derive(Clone, PartialEq, Debug, Deserialize, Serialize)]
[INFO] [stdout]   |                                   ----------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:571:5
[INFO] [stdout]     |
[INFO] [stdout] 571 |     try!(
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:570:21
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let mut child = try!(command.stdin(Stdio::piped()).stdout(Stdio::piped()).spawn());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:578:18
[INFO] [stdout]     |
[INFO] [stdout] 578 |     let output = try!(child.wait_with_output());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:583:8
[INFO] [stdout]     |
[INFO] [stdout] 583 |     Ok(try!(String::from_utf8(output.stdout)))
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:618:55
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn build(self, s: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn build(self, s: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:569:69
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn format(mut command: Command, output: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn format(mut command: Command, output: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:651:78
[INFO] [stdout]     |
[INFO] [stdout] 651 | pub fn generate(root_name: Option<&str>, schema: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 651 | pub fn generate(root_name: Option<&str>, schema: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling schemafy_snapshot v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read `src/schema.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:679:17
[INFO] [stdout]     |
[INFO] [stdout] 679 |         let s = include_str!("schema.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/debugserver-schema.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:754:17
[INFO] [stdout]     |
[INFO] [stdout] 754 |         let s = include_str!("../tests/debugserver-schema.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/nested.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:765:17
[INFO] [stdout]     |
[INFO] [stdout] 765 |         let s = include_str!("../tests/nested.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/vega/vega.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:776:17
[INFO] [stdout]     |
[INFO] [stdout] 776 |         let s = include_str!("../tests/vega/vega.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/option-type.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:785:17
[INFO] [stdout]     |
[INFO] [stdout] 785 |         let s = include_str!("../tests/option-type.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/empty-struct.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:794:17
[INFO] [stdout]     |
[INFO] [stdout] 794 |         let s = include_str!("../tests/empty-struct.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/any-properties.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:805:17
[INFO] [stdout]     |
[INFO] [stdout] 805 |         let s = include_str!("../tests/any-properties.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read `src/../tests/root-array.json`: No such file or directory (os error 2)
[INFO] [stdout]    --> src/lib.rs:818:17
[INFO] [stdout]     |
[INFO] [stdout] 818 |         let s = include_str!("../tests/root-array.json");
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: derive helper attribute is used before it is introduced
[INFO] [stdout]  --> src/schema.rs:5:3
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[serde(rename = "simpleTypes")]
[INFO] [stdout]   |   ^^^^^
[INFO] [stdout] 6 | #[derive(Clone, PartialEq, Debug, Deserialize, Serialize)]
[INFO] [stdout]   |                                   ----------- the attribute is introduced here
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]   = note: `#[warn(legacy_derive_helpers)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:571:5
[INFO] [stdout]     |
[INFO] [stdout] 571 |     try!(
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:570:21
[INFO] [stdout]     |
[INFO] [stdout] 570 |     let mut child = try!(command.stdin(Stdio::piped()).stdout(Stdio::piped()).spawn());
[INFO] [stdout]     |                     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:578:18
[INFO] [stdout]     |
[INFO] [stdout] 578 |     let output = try!(child.wait_with_output());
[INFO] [stdout]     |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:583:8
[INFO] [stdout]     |
[INFO] [stdout] 583 |     Ok(try!(String::from_utf8(output.stdout)))
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:618:55
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn build(self, s: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                       ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 618 |     pub fn build(self, s: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                       +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:569:69
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn format(mut command: Command, output: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 569 | fn format(mut command: Command, output: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:651:78
[INFO] [stdout]     |
[INFO] [stdout] 651 | pub fn generate(root_name: Option<&str>, schema: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                              ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 651 | pub fn generate(root_name: Option<&str>, schema: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:667:73
[INFO] [stdout]     |
[INFO] [stdout] 667 |     fn generate(root_name: Option<&str>, s: &str) -> Result<String, Box<Error>> {
[INFO] [stdout]     |                                                                         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 667 |     fn generate(root_name: Option<&str>, s: &str) -> Result<String, Box<dyn Error>> {
[INFO] [stdout]     |                                                                         +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `schemafy_snapshot` (lib test) due to 8 previous errors; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "472b50e5ce926a2782e873874b1760ced2431037a131ef2e6a2bf9bc012f1e50", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472b50e5ce926a2782e873874b1760ced2431037a131ef2e6a2bf9bc012f1e50", kill_on_drop: false }`
[INFO] [stdout] 472b50e5ce926a2782e873874b1760ced2431037a131ef2e6a2bf9bc012f1e50
