[INFO] cloning repository https://github.com/stevethedev/rust-protobuf-chars-bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevethedev/rust-protobuf-chars-bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevethedev%2Frust-protobuf-chars-bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevethedev%2Frust-protobuf-chars-bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fe5b613ad1fe43e3020cf89438892aa5a487a3db
[INFO] checking stevethedev/rust-protobuf-chars-bug against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevethedev%2Frust-protobuf-chars-bug" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevethedev/rust-protobuf-chars-bug on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevethedev/rust-protobuf-chars-bug
[INFO] finished tweaking git repo https://github.com/stevethedev/rust-protobuf-chars-bug
[INFO] tweaked toml for git repo https://github.com/stevethedev/rust-protobuf-chars-bug written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/stevethedev/rust-protobuf-chars-bug already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v2.8.1
[INFO] [stderr]   Downloaded protobuf-codegen v2.8.1
[INFO] [stderr]   Downloaded protoc-rust v2.8.1
[INFO] [stderr]   Downloaded protoc v2.8.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a38bce942dc56193d0814677a3d3ed901b6e5663f16c550d5aa6a365abd178
[INFO] running `Command { std: "docker" "start" "-a" "a5a38bce942dc56193d0814677a3d3ed901b6e5663f16c550d5aa6a365abd178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a38bce942dc56193d0814677a3d3ed901b6e5663f16c550d5aa6a365abd178", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a38bce942dc56193d0814677a3d3ed901b6e5663f16c550d5aa6a365abd178", kill_on_drop: false }`
[INFO] [stdout] a5a38bce942dc56193d0814677a3d3ed901b6e5663f16c550d5aa6a365abd178
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d9190c3c31400138a32e8ce77b6f1f5140ce0deb6af7c09ffb6675af0a6f8a9
[INFO] running `Command { std: "docker" "start" "-a" "9d9190c3c31400138a32e8ce77b6f1f5140ce0deb6af7c09ffb6675af0a6f8a9", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   bytes v0.4.12 (as host dependency): serde
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling protoc v2.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling protoc-rust v2.8.1
[INFO] [stderr]    Compiling protobuf-bug v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating build.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] error[E0277]: the trait bound `protobuf::Chars: Serialize` is not satisfied
[INFO] [stdout]     --> src/user.rs:34:5
[INFO] [stdout]      |
[INFO] [stdout] 34   |     pub username: ::protobuf::Chars,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `protobuf::Chars`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.103/src/ser/mod.rs:1873:5
[INFO] [stdout]      |
[INFO] [stdout] 1873 | /     fn serialize_field<T: ?Sized>(
[INFO] [stdout] 1874 | |         &mut self,
[INFO] [stdout] 1875 | |         key: &'static str,
[INFO] [stdout] 1876 | |         value: &T,
[INFO] [stdout] 1877 | |     ) -> Result<(), Self::Error>
[INFO] [stdout] 1878 | |     where
[INFO] [stdout] 1879 | |         T: Serialize;
[INFO] [stdout]      | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `protobuf::Chars: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/user.rs:34:5
[INFO] [stdout]      |
[INFO] [stdout] 34   |     pub username: ::protobuf::Chars,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `protobuf::Chars`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.103/src/de/mod.rs:1704:5
[INFO] [stdout]      |
[INFO] [stdout] 1704 | /     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout] 1705 | |     where
[INFO] [stdout] 1706 | |         T: Deserialize<'de>,
[INFO] [stdout]      | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `protobuf::Chars: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/user.rs:34:5
[INFO] [stdout]      |
[INFO] [stdout] 34   |     pub username: ::protobuf::Chars,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `protobuf::Chars`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.103/src/de/mod.rs:1843:5
[INFO] [stdout]      |
[INFO] [stdout] 1843 | /     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout] 1844 | |     where
[INFO] [stdout] 1845 | |         V: Deserialize<'de>,
[INFO] [stdout]      | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf-bug` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: the trait bound `protobuf::Chars: Serialize` is not satisfied
[INFO] [stdout]     --> src/user.rs:34:5
[INFO] [stdout]      |
[INFO] [stdout] 34   |     pub username: ::protobuf::Chars,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Serialize` is not implemented for `protobuf::Chars`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `serde::ser::SerializeStruct::serialize_field`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.103/src/ser/mod.rs:1873:5
[INFO] [stdout]      |
[INFO] [stdout] 1873 | /     fn serialize_field<T: ?Sized>(
[INFO] [stdout] 1874 | |         &mut self,
[INFO] [stdout] 1875 | |         key: &'static str,
[INFO] [stdout] 1876 | |         value: &T,
[INFO] [stdout] 1877 | |     ) -> Result<(), Self::Error>
[INFO] [stdout] 1878 | |     where
[INFO] [stdout] 1879 | |         T: Serialize;
[INFO] [stdout]      | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `protobuf::Chars: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/user.rs:34:5
[INFO] [stdout]      |
[INFO] [stdout] 34   |     pub username: ::protobuf::Chars,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `protobuf::Chars`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `next_element`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.103/src/de/mod.rs:1704:5
[INFO] [stdout]      |
[INFO] [stdout] 1704 | /     fn next_element<T>(&mut self) -> Result<Option<T>, Self::Error>
[INFO] [stdout] 1705 | |     where
[INFO] [stdout] 1706 | |         T: Deserialize<'de>,
[INFO] [stdout]      | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `protobuf::Chars: Deserialize<'_>` is not satisfied
[INFO] [stdout]     --> src/user.rs:34:5
[INFO] [stdout]      |
[INFO] [stdout] 34   |     pub username: ::protobuf::Chars,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Deserialize<'_>` is not implemented for `protobuf::Chars`
[INFO] [stdout]      |
[INFO] [stdout] note: required by `next_value`
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde-1.0.103/src/de/mod.rs:1843:5
[INFO] [stdout]      |
[INFO] [stdout] 1843 | /     fn next_value<V>(&mut self) -> Result<V, Self::Error>
[INFO] [stdout] 1844 | |     where
[INFO] [stdout] 1845 | |         V: Deserialize<'de>,
[INFO] [stdout]      | |____________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] [stderr] error: failed to migrate to next edition
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `cargo fix --edition --allow-no-vcs --allow-dirty --frozen --all --all-targets --message-format=json` (exit status: 101)
[INFO] running `Command { std: "docker" "inspect" "9d9190c3c31400138a32e8ce77b6f1f5140ce0deb6af7c09ffb6675af0a6f8a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d9190c3c31400138a32e8ce77b6f1f5140ce0deb6af7c09ffb6675af0a6f8a9", kill_on_drop: false }`
[INFO] [stdout] 9d9190c3c31400138a32e8ce77b6f1f5140ce0deb6af7c09ffb6675af0a6f8a9