[INFO] fetching crate protobuf-codegen-no-elision 2.0.4...
[INFO] checking protobuf-codegen-no-elision-2.0.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate protobuf-codegen-no-elision 2.0.4 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate protobuf-codegen-no-elision 2.0.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-codegen-no-elision 2.0.4
[INFO] finished tweaking crates.io crate protobuf-codegen-no-elision 2.0.4
[INFO] tweaked toml for crates.io crate protobuf-codegen-no-elision 2.0.4 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93ac4aaa7b9985521f48205e8c9c8288247e9c8e09e5c5661e40a62f4ab36fc2
[INFO] running `Command { std: "docker" "start" "-a" "93ac4aaa7b9985521f48205e8c9c8288247e9c8e09e5c5661e40a62f4ab36fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ac4aaa7b9985521f48205e8c9c8288247e9c8e09e5c5661e40a62f4ab36fc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ac4aaa7b9985521f48205e8c9c8288247e9c8e09e5c5661e40a62f4ab36fc2", kill_on_drop: false }`
[INFO] [stdout] 93ac4aaa7b9985521f48205e8c9c8288247e9c8e09e5c5661e40a62f4ab36fc2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e40a1eb07cecb60e53e96f50c820fbfa45dda8121d65d15eb4ef434007de9e21
[INFO] running `Command { std: "docker" "start" "-a" "e40a1eb07cecb60e53e96f50c820fbfa45dda8121d65d15eb4ef434007de9e21", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.0.4
[INFO] [stderr]     Checking protobuf-codegen-no-elision v2.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:268:69
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code_writer.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     writer: &'a mut (Write + 'a),
[INFO] [stdout]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code_writer.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(writer: &'a mut Write) -> CodeWriter<'a> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/message.rs:268:69
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     self.write_descriptor_field("fields", field, w);;
[INFO] [stdout]     |                                                                     ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code_writer.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 |     writer: &'a mut (Write + 'a),
[INFO] [stdout]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/code_writer.rs:18:32
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn new(writer: &'a mut Write) -> CodeWriter<'a> {
[INFO] [stdout]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/field.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_scope`
[INFO] [stdout]    --> src/field.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 405 |     root_scope: &'a RootScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oneof`
[INFO] [stdout]   --> src/oneof.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     oneof: &'a OneofGen<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]   --> src/oneof.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     variant: OneofVariantWithContext<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `customize`
[INFO] [stdout]    --> src/oneof.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     customize: Customize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]    --> src/field.rs:179:5
[INFO] [stdout]     |
[INFO] [stdout] 179 |     name: String,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_scope`
[INFO] [stdout]    --> src/field.rs:405:5
[INFO] [stdout]     |
[INFO] [stdout] 405 |     root_scope: &'a RootScope<'a>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `oneof`
[INFO] [stdout]   --> src/oneof.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     oneof: &'a OneofGen<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `variant`
[INFO] [stdout]   --> src/oneof.rs:64:5
[INFO] [stdout]    |
[INFO] [stdout] 64 |     variant: OneofVariantWithContext<'a>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `customize`
[INFO] [stdout]    --> src/oneof.rs:105:5
[INFO] [stdout]     |
[INFO] [stdout] 105 |     customize: Customize,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let fds = parse_from_reader::<FileDescriptorSet>(&mut is as &mut Read).unwrap();
[INFO] [stdout]    |                                                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:15:70
[INFO] [stdout]    |
[INFO] [stdout] 15 |     let fds = parse_from_reader::<FileDescriptorSet>(&mut is as &mut Read).unwrap();
[INFO] [stdout]    |                                                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[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/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.80s
[INFO] running `Command { std: "docker" "inspect" "e40a1eb07cecb60e53e96f50c820fbfa45dda8121d65d15eb4ef434007de9e21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e40a1eb07cecb60e53e96f50c820fbfa45dda8121d65d15eb4ef434007de9e21", kill_on_drop: false }`
[INFO] [stdout] e40a1eb07cecb60e53e96f50c820fbfa45dda8121d65d15eb4ef434007de9e21