[INFO] cloning repository https://github.com/pritamnikam/rust-blockchain-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pritamnikam/rust-blockchain-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpritamnikam%2Frust-blockchain-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpritamnikam%2Frust-blockchain-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd064901da420b44393c9987d7129b5962adc14d
[INFO] checking pritamnikam/rust-blockchain-example/cd064901da420b44393c9987d7129b5962adc14d against master#ff086354c9fc93e1da1d2f4d255456624fbcd099 for pr-153513
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpritamnikam%2Frust-blockchain-example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pritamnikam/rust-blockchain-example
[INFO] finished tweaking git repo https://github.com/pritamnikam/rust-blockchain-example
[INFO] tweaked toml for git repo https://github.com/pritamnikam/rust-blockchain-example written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pritamnikam/rust-blockchain-example on toolchain ff086354c9fc93e1da1d2f4d255456624fbcd099
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pritamnikam/rust-blockchain-example 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" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5aa035dacc00bb78ace494d59c4e48be6b5971dc5dc4acf8be070881e6208f11
[INFO] running `Command { std: "docker" "start" "-a" "5aa035dacc00bb78ace494d59c4e48be6b5971dc5dc4acf8be070881e6208f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5aa035dacc00bb78ace494d59c4e48be6b5971dc5dc4acf8be070881e6208f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aa035dacc00bb78ace494d59c4e48be6b5971dc5dc4acf8be070881e6208f11", kill_on_drop: false }`
[INFO] [stdout] 5aa035dacc00bb78ace494d59c4e48be6b5971dc5dc4acf8be070881e6208f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ff086354c9fc93e1da1d2f4d255456624fbcd099" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 31e3b5ac2a886165541c490074d23b2bae63767705288f43446b320581cbdafa
[INFO] running `Command { std: "docker" "start" "-a" "31e3b5ac2a886165541c490074d23b2bae63767705288f43446b320581cbdafa", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
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[INFO] [stderr]     Checking asynchronous-codec v0.6.2
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking unsigned-varint v0.7.2
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[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.90
[INFO] [stderr]    Compiling libp2p-core v0.29.0
[INFO] [stderr]     Checking multihash v0.14.0
[INFO] [stderr]     Checking multistream-select v0.10.4
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling enum-as-inner v0.3.4
[INFO] [stderr]     Checking async-global-executor v2.4.1
[INFO] [stderr]     Checking regex-automata v0.4.5
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling snow v0.8.0
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking trust-dns-proto v0.20.4
[INFO] [stderr]     Checking resolv-conf v0.7.0
[INFO] [stdout] error[E0635]: unknown feature `stdsimd`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/ahash-0.7.7/src/lib.rs:33:42
[INFO] [stdout]    |
[INFO] [stdout] 33 | #![cfg_attr(feature = "stdsimd", feature(stdsimd))]
[INFO] [stdout]    |                                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ahash` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "31e3b5ac2a886165541c490074d23b2bae63767705288f43446b320581cbdafa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e3b5ac2a886165541c490074d23b2bae63767705288f43446b320581cbdafa", kill_on_drop: false }`
[INFO] [stdout] 31e3b5ac2a886165541c490074d23b2bae63767705288f43446b320581cbdafa