[INFO] fetching crate apollo-tracing-protobuf 0.1.0...
[INFO] checking apollo-tracing-protobuf-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate apollo-tracing-protobuf 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate apollo-tracing-protobuf 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apollo-tracing-protobuf 0.1.0
[INFO] finished tweaking crates.io crate apollo-tracing-protobuf 0.1.0
[INFO] tweaked toml for crates.io crate apollo-tracing-protobuf 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages
[INFO] [stderr]       Adding protobuf v2.28.0 (latest: v3.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf v2.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a508b5ed9456c9f32bebd63bf66dcbe128a05603b68c43e12a5b7001b9ffa02
[INFO] running `Command { std: "docker" "start" "-a" "9a508b5ed9456c9f32bebd63bf66dcbe128a05603b68c43e12a5b7001b9ffa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a508b5ed9456c9f32bebd63bf66dcbe128a05603b68c43e12a5b7001b9ffa02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a508b5ed9456c9f32bebd63bf66dcbe128a05603b68c43e12a5b7001b9ffa02", kill_on_drop: false }`
[INFO] [stdout] 9a508b5ed9456c9f32bebd63bf66dcbe128a05603b68c43e12a5b7001b9ffa02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9bcbb3667a10017b4e027eb25c250a890daa88e8dcd7c51946b07c8ee58d8e3
[INFO] running `Command { std: "docker" "start" "-a" "c9bcbb3667a10017b4e027eb25c250a890daa88e8dcd7c51946b07c8ee58d8e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stderr]     Checking apollo-tracing-protobuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]      --> generated/tracing.rs:10525:17
[INFO] [stdout]       |
[INFO] [stdout] 10525 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]       |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_bytes`: Use Message::parse_from_bytes instead
[INFO] [stdout]      --> generated/tracing.rs:10525:17
[INFO] [stdout]       |
[INFO] [stdout] 10525 |     ::protobuf::parse_from_bytes(file_descriptor_proto_data).unwrap()
[INFO] [stdout]       |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `#[warn(deprecated)]` on by default
[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` profile [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "c9bcbb3667a10017b4e027eb25c250a890daa88e8dcd7c51946b07c8ee58d8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9bcbb3667a10017b4e027eb25c250a890daa88e8dcd7c51946b07c8ee58d8e3", kill_on_drop: false }`
[INFO] [stdout] c9bcbb3667a10017b4e027eb25c250a890daa88e8dcd7c51946b07c8ee58d8e3
[INFO] checking apollo-tracing-protobuf-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] extracting crate apollo-tracing-protobuf 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate apollo-tracing-protobuf 0.1.0 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate apollo-tracing-protobuf 0.1.0
[INFO] finished tweaking crates.io crate apollo-tracing-protobuf 0.1.0
[INFO] tweaked toml for crates.io crate apollo-tracing-protobuf 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27776a63231dba2f18baa8ce47997ef517c613e7609634b2df5537a84b6ad408
[INFO] running `Command { std: "docker" "start" "-a" "27776a63231dba2f18baa8ce47997ef517c613e7609634b2df5537a84b6ad408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27776a63231dba2f18baa8ce47997ef517c613e7609634b2df5537a84b6ad408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27776a63231dba2f18baa8ce47997ef517c613e7609634b2df5537a84b6ad408", kill_on_drop: false }`
[INFO] [stdout] 27776a63231dba2f18baa8ce47997ef517c613e7609634b2df5537a84b6ad408
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ee8eedf2bf39e6d4db5b02cc30c18d323010ca5797e133e8d2421ac5b33cf8fd
[INFO] running `Command { std: "docker" "start" "-a" "ee8eedf2bf39e6d4db5b02cc30c18d323010ca5797e133e8d2421ac5b33cf8fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.28.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/protobuf-2.28.0/src/enums.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `protobuf` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ee8eedf2bf39e6d4db5b02cc30c18d323010ca5797e133e8d2421ac5b33cf8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee8eedf2bf39e6d4db5b02cc30c18d323010ca5797e133e8d2421ac5b33cf8fd", kill_on_drop: false }`
[INFO] [stdout] ee8eedf2bf39e6d4db5b02cc30c18d323010ca5797e133e8d2421ac5b33cf8fd