[INFO] fetching crate protobuf-codegen 2.6.2...
[INFO] extracting crate protobuf-codegen 2.6.2 into work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/protobuf-codegen/2.6.2
[INFO] extracting crate protobuf-codegen 2.6.2 into work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/protobuf-codegen/2.6.2
[INFO] validating manifest of protobuf-codegen-2.6.2 on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of protobuf-codegen-2.6.2 on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing protobuf-codegen-2.6.2
[INFO] finished frobbing protobuf-codegen-2.6.2
[INFO] frobbed toml for protobuf-codegen-2.6.2 written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/reg/protobuf-codegen/2.6.2/Cargo.toml
[INFO] started frobbing protobuf-codegen-2.6.2
[INFO] finished frobbing protobuf-codegen-2.6.2
[INFO] frobbed toml for protobuf-codegen-2.6.2 written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/protobuf-codegen/2.6.2/Cargo.toml
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking protobuf-codegen-2.6.2 against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-6/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/reg/protobuf-codegen/2.6.2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 63ca1298365eba7e634f18b6255628b74c756fb8ceb7c5e536fdbdc40e0aa69c
[INFO] running `"docker" "start" "-a" "63ca1298365eba7e634f18b6255628b74c756fb8ceb7c5e536fdbdc40e0aa69c"`
[INFO] [stderr]    Compiling protobuf v2.6.2
[INFO] [stderr]     Checking protobuf-codegen v2.6.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/code_writer.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     writer: &'a mut (Write + 'a),
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/code_writer.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(writer: &'a mut Write) -> CodeWriter<'a> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/code_writer.rs:13:22
[INFO] [stderr]    |
[INFO] [stderr] 13 |     writer: &'a mut (Write + 'a),
[INFO] [stderr]    |                      ^^^^^^^^^^ help: use `dyn`: `dyn Write + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/code_writer.rs:18:32
[INFO] [stderr]    |
[INFO] [stderr] 18 |     pub fn new(writer: &'a mut Write) -> CodeWriter<'a> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lite_runtime`
[INFO] [stderr]   --> src/message.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let lite_runtime = customize.lite_runtime.unwrap_or_else(|| {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_lite_runtime`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `lite_runtime`
[INFO] [stderr]   --> src/message.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let lite_runtime = customize.lite_runtime.unwrap_or_else(|| {
[INFO] [stderr]    |             ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_lite_runtime`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `supports_derive_partial_eq`
[INFO] [stderr]    --> src/message.rs:419:5
[INFO] [stderr]     |
[INFO] [stderr] 419 |     fn supports_derive_partial_eq(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `supports_derive_partial_eq`
[INFO] [stderr]    --> src/message.rs:419:5
[INFO] [stderr]     |
[INFO] [stderr] 419 |     fn supports_derive_partial_eq(&self) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:14:70
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let fds = parse_from_reader::<FileDescriptorSet>(&mut is as &mut Read).unwrap();
[INFO] [stderr]    |                                                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:14:70
[INFO] [stderr]    |
[INFO] [stderr] 14 |     let fds = parse_from_reader::<FileDescriptorSet>(&mut is as &mut Read).unwrap();
[INFO] [stderr]    |                                                                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `"docker" "inspect" "63ca1298365eba7e634f18b6255628b74c756fb8ceb7c5e536fdbdc40e0aa69c"`
[INFO] running `"docker" "rm" "-f" "63ca1298365eba7e634f18b6255628b74c756fb8ceb7c5e536fdbdc40e0aa69c"`
[INFO] [stdout] 63ca1298365eba7e634f18b6255628b74c756fb8ceb7c5e536fdbdc40e0aa69c