[INFO] fetching crate grpc-build-core 0.5.0...
[INFO] checking grpc-build-core-0.5.0 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] extracting crate grpc-build-core 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate grpc-build-core 0.5.0
[INFO] finished tweaking crates.io crate grpc-build-core 0.5.0
[INFO] tweaked toml for crates.io crate grpc-build-core 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate grpc-build-core 0.5.0 on toolchain 70daa2c0d8eed7066b07966f3c0b0b8622bff4e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate grpc-build-core 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d33ab49c1c7e3ac87a68f0c2e8ec7e7ec105b3651fa0c689087e22abb4ccef3c
[INFO] running `Command { std: "docker" "start" "-a" "d33ab49c1c7e3ac87a68f0c2e8ec7e7ec105b3651fa0c689087e22abb4ccef3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d33ab49c1c7e3ac87a68f0c2e8ec7e7ec105b3651fa0c689087e22abb4ccef3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d33ab49c1c7e3ac87a68f0c2e8ec7e7ec105b3651fa0c689087e22abb4ccef3c", kill_on_drop: false }`
[INFO] [stdout] d33ab49c1c7e3ac87a68f0c2e8ec7e7ec105b3651fa0c689087e22abb4ccef3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 585c1e3a85793d3b233439af3d2aa7e0052c24c82cae3b29424c18afb45665f8
[INFO] running `Command { std: "docker" "start" "-a" "585c1e3a85793d3b233439af3d2aa7e0052c24c82cae3b29424c18afb45665f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling anyhow v1.0.94
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]     Checking bytes v1.9.0
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling prost-derive v0.13.4
[INFO] [stderr]    Compiling grpc-build-derive v0.4.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/prost-derive-0.13.4/src/field/scalar.rs:726:51
[INFO] [stdout]     |
[INFO] [stdout] 726 | ...                   let value: i64 = -lit.base10_parse()?;
[INFO] [stdout]     |                                             ^^^^^^^^^^^^ cannot infer type of the type parameter `N` declared on the method `base10_parse`
[INFO] [stdout]     |
[INFO] [stdout] help: consider specifying the generic argument
[INFO] [stdout]     |
[INFO] [stdout] 726 |                             let value: i64 = -lit.base10_parse::<N>()?;
[INFO] [stdout]     |                                                               +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "585c1e3a85793d3b233439af3d2aa7e0052c24c82cae3b29424c18afb45665f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "585c1e3a85793d3b233439af3d2aa7e0052c24c82cae3b29424c18afb45665f8", kill_on_drop: false }`
[INFO] [stdout] 585c1e3a85793d3b233439af3d2aa7e0052c24c82cae3b29424c18afb45665f8