[INFO] fetching crate informalsystems-prost-build 0.8.1...
[INFO] checking informalsystems-prost-build-0.8.1 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] extracting crate informalsystems-prost-build 0.8.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate informalsystems-prost-build 0.8.1
[INFO] finished tweaking crates.io crate informalsystems-prost-build 0.8.1
[INFO] tweaked toml for crates.io crate informalsystems-prost-build 0.8.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate informalsystems-prost-build 0.8.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 80 packages to latest compatible versions
[INFO] [stderr]       Adding env_logger v0.8.4 (available: v0.11.9)
[INFO] [stderr]       Adding heck v0.3.3 (available: v0.5.0)
[INFO] [stderr]       Adding itertools v0.10.5 (available: v0.14.0)
[INFO] [stderr]       Adding multimap v0.8.3 (available: v0.10.1)
[INFO] [stderr]       Adding petgraph v0.6.5 (available: v0.8.3)
[INFO] [stderr]       Adding which v4.4.2 (available: v8.0.0)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0360fed903feb0235cbfae3462c1102a7b2e73e84d65792d6cd930b128e5af3e
[INFO] running `Command { std: "docker" "start" "-a" "0360fed903feb0235cbfae3462c1102a7b2e73e84d65792d6cd930b128e5af3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0360fed903feb0235cbfae3462c1102a7b2e73e84d65792d6cd930b128e5af3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0360fed903feb0235cbfae3462c1102a7b2e73e84d65792d6cd930b128e5af3e", kill_on_drop: false }`
[INFO] [stdout] 0360fed903feb0235cbfae3462c1102a7b2e73e84d65792d6cd930b128e5af3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f105da9c543fc2854ac30299f7750402455330667f6e0be8e8ea96ebe86c93f0
[INFO] running `Command { std: "docker" "start" "-a" "f105da9c543fc2854ac30299f7750402455330667f6e0be8e8ea96ebe86c93f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]    Compiling which v4.4.2
[INFO] [stderr]     Checking heck v0.3.3
[INFO] [stderr]     Checking petgraph v0.6.5
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling informalsystems-prost-build v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.4.1
[INFO] [stderr]     Checking tempfile v3.25.0
[INFO] [stderr]    Compiling informalsystems-prost-derive v0.8.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/informalsystems-prost-derive-0.8.1/src/field/scalar.rs:710:51
[INFO] [stdout]     |
[INFO] [stdout] 710 | ...                   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] 710 |                             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 `informalsystems-prost-derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f105da9c543fc2854ac30299f7750402455330667f6e0be8e8ea96ebe86c93f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f105da9c543fc2854ac30299f7750402455330667f6e0be8e8ea96ebe86c93f0", kill_on_drop: false }`
[INFO] [stdout] f105da9c543fc2854ac30299f7750402455330667f6e0be8e8ea96ebe86c93f0