[INFO] fetching crate protobuf-codegen-no-elision 2.0.4...
[INFO] checking protobuf-codegen-no-elision-2.0.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate protobuf-codegen-no-elision 2.0.4 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate protobuf-codegen-no-elision 2.0.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7b0eb63237a6e922ceaf540e56ad598546ad3d4002dbda03ec46e5658fabc52c
[INFO] running `"docker" "start" "-a" "7b0eb63237a6e922ceaf540e56ad598546ad3d4002dbda03ec46e5658fabc52c"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling protobuf v2.0.4
[INFO] [stderr]     Checking protobuf-codegen-no-elision v2.0.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/message.rs:268:69
[INFO] [stderr]     |
[INFO] [stderr] 268 |                     self.write_descriptor_field("fields", field, w);;
[INFO] [stderr]     |                                                                     ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[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: unnecessary trailing semicolon
[INFO] [stderr]    --> src/message.rs:268:69
[INFO] [stderr]     |
[INFO] [stderr] 268 |                     self.write_descriptor_field("fields", field, w);;
[INFO] [stderr]     |                                                                     ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolon)]` on by default
[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: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:15:70
[INFO] [stderr]    |
[INFO] [stderr] 15 |     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:15:70
[INFO] [stderr]    |
[INFO] [stderr] 15 |     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 6.02s
[INFO] running `"docker" "inspect" "7b0eb63237a6e922ceaf540e56ad598546ad3d4002dbda03ec46e5658fabc52c"`
[INFO] running `"docker" "rm" "-f" "7b0eb63237a6e922ceaf540e56ad598546ad3d4002dbda03ec46e5658fabc52c"`
[INFO] [stdout] 7b0eb63237a6e922ceaf540e56ad598546ad3d4002dbda03ec46e5658fabc52c