[INFO] fetching crate zingo-memo 0.1.0...
[INFO] checking zingo-memo-0.1.0 against try#70daa2c0d8eed7066b07966f3c0b0b8622bff4e4 for pr-151539
[INFO] extracting crate zingo-memo 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zingo-memo 0.1.0
[INFO] finished tweaking crates.io crate zingo-memo 0.1.0
[INFO] tweaked toml for crates.io crate zingo-memo 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zingo-memo 0.1.0 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 zingo-memo 0.1.0 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] 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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e61f25e469c09f16bea33ab4b8df554987e9529684c1f89cbe7f1622ac2662f
[INFO] running `Command { std: "docker" "start" "-a" "6e61f25e469c09f16bea33ab4b8df554987e9529684c1f89cbe7f1622ac2662f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e61f25e469c09f16bea33ab4b8df554987e9529684c1f89cbe7f1622ac2662f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e61f25e469c09f16bea33ab4b8df554987e9529684c1f89cbe7f1622ac2662f", kill_on_drop: false }`
[INFO] [stdout] 6e61f25e469c09f16bea33ab4b8df554987e9529684c1f89cbe7f1622ac2662f
[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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+70daa2c0d8eed7066b07966f3c0b0b8622bff4e4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df41bf12a644faf2f5275382277fe67e7ce71a21955fa13e521e873d6b7fd70e
[INFO] running `Command { std: "docker" "start" "-a" "df41bf12a644faf2f5275382277fe67e7ce71a21955fa13e521e873d6b7fd70e", kill_on_drop: false }`
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
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[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]    Compiling phf_shared v0.13.1
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[INFO] [stderr]     Checking sec1 v0.7.3
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking amplify v4.9.0
[INFO] [stderr]     Checking crypto-common v0.2.0-rc.1
[INFO] [stderr]     Checking block-buffer v0.11.0-rc.3
[INFO] [stderr]     Checking ssh-cipher v0.2.0
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking pairing v0.23.0
[INFO] [stderr]    Compiling num_enum_derive v0.7.5
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]     Checking ssh-key v0.6.7
[INFO] [stderr]    Compiling prost-derive v0.14.1
[INFO] [stderr]    Compiling liblzma-sys v0.4.4
[INFO] [stderr]    Compiling secp256k1-sys v0.10.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.22
[INFO] [stderr]     Checking sanitize-filename v0.6.0
[INFO] [stderr]     Checking bstr v1.12.1
[INFO] [stderr]     Checking digest v0.11.0-pre.9
[INFO] [stderr]     Checking priority-queue v2.7.0
[INFO] [stderr]     Checking derive-deftly v1.3.0
[INFO] [stderr]     Checking hmac v0.12.1
[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]     Checking pwd-grp v1.0.2
[INFO] [stderr]     Checking tor-async-utils v0.35.0
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]     Checking bech32 v0.11.0
[INFO] [stderr]     Checking downcast-rs v2.0.2
[INFO] [stderr]     Checking typed-index-collections v3.4.0
[INFO] [stderr]     Checking fs-mistrust v0.12.0
[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" "df41bf12a644faf2f5275382277fe67e7ce71a21955fa13e521e873d6b7fd70e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df41bf12a644faf2f5275382277fe67e7ce71a21955fa13e521e873d6b7fd70e", kill_on_drop: false }`
[INFO] [stdout] df41bf12a644faf2f5275382277fe67e7ce71a21955fa13e521e873d6b7fd70e