[INFO] cloning repository https://github.com/darwinia-network/mmrconv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darwinia-network/mmrconv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fmmrconv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fmmrconv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 41454b57bb3853b4ab675349a5ab7c10d26b7def
[INFO] checking darwinia-network/mmrconv against master#0599f3403366d9c57f0625e6de3af214b5042a90 for pr-87710
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarwinia-network%2Fmmrconv" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darwinia-network/mmrconv on toolchain 0599f3403366d9c57f0625e6de3af214b5042a90
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darwinia-network/mmrconv
[INFO] finished tweaking git repo https://github.com/darwinia-network/mmrconv
[INFO] tweaked toml for git repo https://github.com/darwinia-network/mmrconv written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/darwinia-network/mmrconv already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bf32b8c01206fe5e8c8ac0db3fc63fbd2870cf3328df51a9d39819c1f9f26705
[INFO] running `Command { std: "docker" "start" "-a" "bf32b8c01206fe5e8c8ac0db3fc63fbd2870cf3328df51a9d39819c1f9f26705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bf32b8c01206fe5e8c8ac0db3fc63fbd2870cf3328df51a9d39819c1f9f26705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf32b8c01206fe5e8c8ac0db3fc63fbd2870cf3328df51a9d39819c1f9f26705", kill_on_drop: false }`
[INFO] [stdout] bf32b8c01206fe5e8c8ac0db3fc63fbd2870cf3328df51a9d39819c1f9f26705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+0599f3403366d9c57f0625e6de3af214b5042a90" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eab1c58ec97589fb625b0b3e1f4d568f54585380d998c960de3e68e8b7eea1e8
[INFO] running `Command { std: "docker" "start" "-a" "eab1c58ec97589fb625b0b3e1f4d568f54585380d998c960de3e68e8b7eea1e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling log v0.4.14
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[INFO] [stderr]    Compiling futures-core v0.3.15
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[INFO] [stderr]    Compiling serde_json v1.0.66
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[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling pin-project-internal v1.0.7
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[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]     Checking cargo_toml v0.9.2
[INFO] [stderr]     Checking ureq v2.1.1
[INFO] [stderr]     Checking mmr-verifier v0.1.0 (/opt/rustwide/workdir/mmr-verifier)
[INFO] [stderr]     Checking staking-ledger-checker v0.1.0 (/opt/rustwide/workdir/staking-ledger-checker)
[INFO] [stderr]    Compiling parity-scale-codec-derive v2.2.0
[INFO] [stderr]     Checking subrpcer v0.4.0
[INFO] [stderr]     Checking subrpcer v0.2.3
[INFO] [stderr]     Checking parity-scale-codec v2.2.0
[INFO] [stderr]     Checking substorager v0.3.0
[INFO] [stderr]     Checking mmr-exporter v0.1.0 (/opt/rustwide/workdir/mmr-exporter)
[INFO] [stderr]     Checking submetadatan v0.5.1
[INFO] [stdout] error[E0277]: `Result<Response<Body>, subrpcer::Error>` is not a future
[INFO] [stdout]   --> mmr-exporter/src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | /             subrpcer::send_rpc(&uri, state::get_storage(storage_key, <Option<()>>::None))
[INFO] [stdout] 59 | |                 .await
[INFO] [stdout]    | |______________________^ `Result<Response<Body>, subrpcer::Error>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `Result<Response<Body>, subrpcer::Error>`
[INFO] [stdout] note: required by `poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `isahc::AsyncReadResponseExt`
[INFO] [stdout]  --> mmr-exporter/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use isahc::AsyncReadResponseExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mmr-exporter` due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0277]: `Result<Response<Body>, subrpcer::Error>` is not a future
[INFO] [stdout]   --> mmr-exporter/src/main.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | /             subrpcer::send_rpc(&uri, state::get_storage(storage_key, <Option<()>>::None))
[INFO] [stdout] 59 | |                 .await
[INFO] [stdout]    | |______________________^ `Result<Response<Body>, subrpcer::Error>` is not a future
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Future` is not implemented for `Result<Response<Body>, subrpcer::Error>`
[INFO] [stdout] note: required by `poll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `isahc::AsyncReadResponseExt`
[INFO] [stdout]  --> mmr-exporter/src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use isahc::AsyncReadResponseExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "eab1c58ec97589fb625b0b3e1f4d568f54585380d998c960de3e68e8b7eea1e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eab1c58ec97589fb625b0b3e1f4d568f54585380d998c960de3e68e8b7eea1e8", kill_on_drop: false }`
[INFO] [stdout] eab1c58ec97589fb625b0b3e1f4d568f54585380d998c960de3e68e8b7eea1e8