[INFO] fetching crate zcash_client_backend 0.21.0...
[INFO] checking zcash_client_backend-0.21.0 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] extracting crate zcash_client_backend 0.21.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate zcash_client_backend 0.21.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate zcash_client_backend 0.21.0
[INFO] tweaked toml for crates.io crate zcash_client_backend 0.21.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zcash_client_backend 0.21.0 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 zcash_client_backend 0.21.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] bdbb13ad4f1fb4638f9b33948fc701df7622f794100284d8da0cc7154d2438ef
[INFO] running `Command { std: "docker" "start" "-a" "bdbb13ad4f1fb4638f9b33948fc701df7622f794100284d8da0cc7154d2438ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdbb13ad4f1fb4638f9b33948fc701df7622f794100284d8da0cc7154d2438ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdbb13ad4f1fb4638f9b33948fc701df7622f794100284d8da0cc7154d2438ef", kill_on_drop: false }`
[INFO] [stdout] bdbb13ad4f1fb4638f9b33948fc701df7622f794100284d8da0cc7154d2438ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dd3bf56141e425f97231c24d9dd157c8ceaf51405960ad2e75bfbb32032ac83f
[INFO] running `Command { std: "docker" "start" "-a" "dd3bf56141e425f97231c24d9dd157c8ceaf51405960ad2e75bfbb32032ac83f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
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[INFO] [stderr]    Compiling multimap v0.8.3
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[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]     Checking zeroize v1.7.0
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[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/prost-derive-0.14.1/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] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]    Compiling getset v0.1.6
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking zcash_note_encryption v0.4.1
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dd3bf56141e425f97231c24d9dd157c8ceaf51405960ad2e75bfbb32032ac83f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd3bf56141e425f97231c24d9dd157c8ceaf51405960ad2e75bfbb32032ac83f", kill_on_drop: false }`
[INFO] [stdout] dd3bf56141e425f97231c24d9dd157c8ceaf51405960ad2e75bfbb32032ac83f