[INFO] fetching crate protogen 0.1.0...
[INFO] testing protogen-0.1.0 against 1.95.0 for beta-1.96-2
[INFO] extracting crate protogen 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate protogen 0.1.0
[INFO] finished tweaking crates.io crate protogen 0.1.0
[INFO] tweaked toml for crates.io crate protogen 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate protogen 0.1.0 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 3 packages to latest compatible versions
[INFO] [stderr]       Adding nom v4.2.3 (available: v8.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] [stderr]   Downloaded version_check v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f45d8739a565d634bb41f2df8bb33cf92a82bd694f2f39f302c9586ab5b21606
[INFO] running `Command { std: "docker" "start" "-a" "f45d8739a565d634bb41f2df8bb33cf92a82bd694f2f39f302c9586ab5b21606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f45d8739a565d634bb41f2df8bb33cf92a82bd694f2f39f302c9586ab5b21606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f45d8739a565d634bb41f2df8bb33cf92a82bd694f2f39f302c9586ab5b21606", kill_on_drop: false }`
[INFO] [stdout] f45d8739a565d634bb41f2df8bb33cf92a82bd694f2f39f302c9586ab5b21606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f4ff3f343b7b464698212405bd8f5cf27abcd1f08f3c913896f9a2339ff190e
[INFO] running `Command { std: "docker" "start" "-a" "5f4ff3f343b7b464698212405bd8f5cf27abcd1f08f3c913896f9a2339ff190e", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling protogen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:75
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[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] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn process_file(path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[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] 44 | pub fn process_file(path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:75
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()>  {
[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] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()>  {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.99s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[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" "5f4ff3f343b7b464698212405bd8f5cf27abcd1f08f3c913896f9a2339ff190e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f4ff3f343b7b464698212405bd8f5cf27abcd1f08f3c913896f9a2339ff190e", kill_on_drop: false }`
[INFO] [stdout] 5f4ff3f343b7b464698212405bd8f5cf27abcd1f08f3c913896f9a2339ff190e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5a9e5548976306b39c4cb82645957e41d74af38b23cdc74f20a549ac8a64ec7
[INFO] running `Command { std: "docker" "start" "-a" "c5a9e5548976306b39c4cb82645957e41d74af38b23cdc74f20a549ac8a64ec7", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:75
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[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] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn process_file(path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[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] 44 | pub fn process_file(path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling protogen v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:75
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()>  {
[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] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()>  {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:36:75
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[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] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:44:56
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn process_file(path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[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] 44 | pub fn process_file(path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stdout]    |                                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:93:75
[INFO] [stdout]    |
[INFO] [stdout] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()>  {
[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] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()>  {
[INFO] [stdout]    |                                                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[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" "c5a9e5548976306b39c4cb82645957e41d74af38b23cdc74f20a549ac8a64ec7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5a9e5548976306b39c4cb82645957e41d74af38b23cdc74f20a549ac8a64ec7", kill_on_drop: false }`
[INFO] [stdout] c5a9e5548976306b39c4cb82645957e41d74af38b23cdc74f20a549ac8a64ec7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e9b03d42ec63fe64f1522a53c1dbd6867db2721185804ddc86aa8f3bbf12bd31
[INFO] running `Command { std: "docker" "start" "-a" "e9b03d42ec63fe64f1522a53c1dbd6867db2721185804ddc86aa8f3bbf12bd31", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:36:75
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 36 | pub fn process_dir_to(path: &Path, out_file: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stderr]    |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:44:56
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn process_file(path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 44 | pub fn process_file(path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()> {
[INFO] [stderr]    |                                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:93:75
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&Fn(&str) -> String>) -> io::Result<()>  {
[INFO] [stderr]    |                                                                           ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stderr]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stderr] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stderr]    |
[INFO] [stderr] 93 | fn process(messages: Vec<Message>, out_path: &Path, post_process: Option<&dyn Fn(&str) -> String>) -> io::Result<()>  {
[INFO] [stderr]    |                                                                           +++
[INFO] [stderr] 
[INFO] [stderr] warning: `protogen` (lib) generated 3 warnings (run `cargo fix --lib -p protogen` to apply 3 suggestions)
[INFO] [stderr] warning: `protogen` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/protogen-c33bec54028cee30)
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stdout] test generator::tests::test_data_type ... ok
[INFO] [stdout] test generator::tests::test_struct_field ... ok
[INFO] [stdout] test generator::tests::test_render_struct ... ok
[INFO] [stdout] test generator::tests::test_to_camel_case ... ok
[INFO] [stdout] test generator::tests::test_enum ... ok
[INFO] [stdout] test parser::tests::array ... ok
[INFO] [stdout] test generator::tests::test_struct ... ok
[INFO] [stdout] test parser::tests::choose ... ok
[INFO] [stdout] test parser::tests::comment ... ok
[INFO] [stdout] test parser::tests::apply ... ok
[INFO] [stdout] test parser::tests::expression_value ... ok
[INFO] [stdout] test parser::tests::expressions ... ok
[INFO] [stdout] test parser::tests::field_constraints ... ok
[INFO] [stdout] test parser::tests::field_string_value ... ok
[INFO] [stdout] test parser::tests::message_args ... ok
[INFO] [stdout] test parser::tests::field_hex_value ... ok
[INFO] [stdout] test parser::tests::message_args_with_values ... ok
[INFO] [stdout] test parser::tests::string_parser ... ok
[INFO] [stdout] test parser::tests::str_utf8 ... ok
[INFO] [stdout] test parser::tests::simple ... ok
[INFO] [stdout] test parser::tests::single_field ... ok
[INFO] [stdout] test parser::tests::message_type ... ok
[INFO] [stdout] test parser::tests::multiple_fields ... ok
[INFO] [stdout] test parser::tests::multiple_fields_with_values ... ok
[INFO] [stdout] test parser::tests::test_number ... ok
[INFO] [stdout] test parser::tests::test_messages ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests protogen
[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] running `Command { std: "docker" "inspect" "e9b03d42ec63fe64f1522a53c1dbd6867db2721185804ddc86aa8f3bbf12bd31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b03d42ec63fe64f1522a53c1dbd6867db2721185804ddc86aa8f3bbf12bd31", kill_on_drop: false }`
[INFO] [stdout] e9b03d42ec63fe64f1522a53c1dbd6867db2721185804ddc86aa8f3bbf12bd31
