[INFO] cloning repository https://github.com/ethin-23/backend
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ethin-23/backend" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethin-23%2Fbackend", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethin-23%2Fbackend'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30569b36f50111e2887363f1bfa4caf05f819b4d
[INFO] checking ethin-23/backend against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fethin-23%2Fbackend" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ethin-23/backend on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ethin-23/backend
[INFO] finished tweaking git repo https://github.com/ethin-23/backend
[INFO] tweaked toml for git repo https://github.com/ethin-23/backend written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ethin-23/backend 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded starknet-ff v0.3.5
[INFO] [stderr]   Downloaded starknet v0.8.0
[INFO] [stderr]   Downloaded starknet-crypto-codegen v0.3.2
[INFO] [stderr]   Downloaded starknet-core v0.8.0
[INFO] [stderr]   Downloaded starknet-contract v0.7.0
[INFO] [stderr]   Downloaded starknet-accounts v0.7.0
[INFO] [stderr]   Downloaded jsonrpsee-proc-macros v0.20.3
[INFO] [stderr]   Downloaded jsonrpsee-server v0.20.3
[INFO] [stderr]   Downloaded starknet-providers v0.8.0
[INFO] [stderr]   Downloaded starknet-crypto v0.6.1
[INFO] [stderr]   Downloaded starknet-signers v0.6.0
[INFO] [stderr]   Downloaded starknet-curve v0.4.0
[INFO] [stderr]   Downloaded starknet-macros v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1796f33b6dbac1792313a2633019bddf216aab65b141661846bd0e012075e7b
[INFO] running `Command { std: "docker" "start" "-a" "a1796f33b6dbac1792313a2633019bddf216aab65b141661846bd0e012075e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1796f33b6dbac1792313a2633019bddf216aab65b141661846bd0e012075e7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1796f33b6dbac1792313a2633019bddf216aab65b141661846bd0e012075e7b", kill_on_drop: false }`
[INFO] [stdout] a1796f33b6dbac1792313a2633019bddf216aab65b141661846bd0e012075e7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d5b613e004a9dd2e4aef26f59520ca437075c71c0d917e06bdc80eb5a22aa7a
[INFO] running `Command { std: "docker" "start" "-a" "7d5b613e004a9dd2e4aef26f59520ca437075c71c0d917e06bdc80eb5a22aa7a", kill_on_drop: false }`
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[INFO] [stderr]    Compiling starknet-ff v0.3.5
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[INFO] [stderr]    Compiling starknet-crypto-codegen v0.3.2
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[INFO] [stderr]    Compiling starknet-macros v0.1.5
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[INFO] [stderr]     Checking starknet-contract v0.7.0
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[INFO] [stderr]     Checking backend v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]   --> src/methods.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let rpc = JsonRpcClient::new(HttpTransport::new(url::Url::parse(&rpc_url).unwrap()));
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]   --> src/methods.rs:67:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let rpc = JsonRpcClient::new(HttpTransport::new(url::Url::parse(&rpc_url).unwrap()));
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "7d5b613e004a9dd2e4aef26f59520ca437075c71c0d917e06bdc80eb5a22aa7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d5b613e004a9dd2e4aef26f59520ca437075c71c0d917e06bdc80eb5a22aa7a", kill_on_drop: false }`
[INFO] [stdout] 7d5b613e004a9dd2e4aef26f59520ca437075c71c0d917e06bdc80eb5a22aa7a