[INFO] cloning repository https://github.com/HGHimself/rust-ethereum-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HGHimself/rust-ethereum-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHGHimself%2Frust-ethereum-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHGHimself%2Frust-ethereum-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 99b2cef29da82c17bdeeae9ba7fa4c20aebf590b
[INFO] testing HGHimself/rust-ethereum-study against 1.54.0 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHGHimself%2Frust-ethereum-study" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HGHimself/rust-ethereum-study on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HGHimself/rust-ethereum-study
[INFO] finished tweaking git repo https://github.com/HGHimself/rust-ethereum-study
[INFO] tweaked toml for git repo https://github.com/HGHimself/rust-ethereum-study written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/HGHimself/rust-ethereum-study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 450ac0d458fe0bddeb5f66a0dc4a3dab5d2af0643985a30ea520fbbe9167607a
[INFO] running `Command { std: "docker" "start" "-a" "450ac0d458fe0bddeb5f66a0dc4a3dab5d2af0643985a30ea520fbbe9167607a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450ac0d458fe0bddeb5f66a0dc4a3dab5d2af0643985a30ea520fbbe9167607a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450ac0d458fe0bddeb5f66a0dc4a3dab5d2af0643985a30ea520fbbe9167607a", kill_on_drop: false }`
[INFO] [stdout] 450ac0d458fe0bddeb5f66a0dc4a3dab5d2af0643985a30ea520fbbe9167607a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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=warn" "-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" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f9a92db351a0a329e1778116d6edbd9215a93517179c1d544450dcec989805
[INFO] running `Command { std: "docker" "start" "-a" "a3f9a92db351a0a329e1778116d6edbd9215a93517179c1d544450dcec989805", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-util v0.3.1
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[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling ethbloom v0.10.0
[INFO] [stderr]    Compiling h2 v0.2.7
[INFO] [stderr]    Compiling jsonrpc-core v16.0.0
[INFO] [stderr]    Compiling bson v1.2.2
[INFO] [stderr]    Compiling juniper v0.15.5
[INFO] [stderr]    Compiling hyper v0.13.10
[INFO] [stderr]    Compiling impl-codec v0.4.2
[INFO] [stderr]    Compiling primitive-types v0.8.0
[INFO] [stderr]    Compiling ethereum-types v0.10.0
[INFO] [stderr]    Compiling ethabi v13.0.0
[INFO] [stderr]    Compiling hyper-tls v0.4.3
[INFO] [stderr]    Compiling warp v0.2.5
[INFO] [stderr]    Compiling hyper-proxy v0.8.0
[INFO] [stderr]    Compiling web3 v0.15.0
[INFO] [stderr]    Compiling juniper_warp v0.6.3
[INFO] [stderr]    Compiling ethcontract-common v0.11.3
[INFO] [stderr]    Compiling ethcontract-generate v0.11.3
[INFO] [stderr]    Compiling ethcontract-derive v0.11.3
[INFO] [stderr]    Compiling ethcontract v0.11.3
[INFO] [stderr]    Compiling rust-ethereum-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] DEPRECATION WARNING: using a string literal for the Context is deprecated
[INFO] [stderr] Use a normal type instead - example: 'Context = MyContextType'
[INFO] [stderr] DEPRECATION WARNING: using a string literal for the Context is deprecated
[INFO] [stderr] Use a normal type instead - example: 'Context = MyContextType'
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ethcontract::prelude::*`
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use ethcontract::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/lib.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let tx = context
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]   --> src/lib.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let tx = context
[INFO] [stdout]    |             ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `storeId` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:44
[INFO] [stdout]    |
[INFO] [stdout] 27 |     async fn balance_of(context: &Context, storeId: String, clientId: String) -> FieldResult<f64> {
[INFO] [stdout]    |                                            ^^^^^^^ help: convert the identifier to snake case: `store_id`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `clientId` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:27:61
[INFO] [stdout]    |
[INFO] [stdout] 27 |     async fn balance_of(context: &Context, storeId: String, clientId: String) -> FieldResult<f64> {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: convert the identifier to snake case: `client_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `storeId` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |         storeId: String,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `store_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `clientId` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:45:9
[INFO] [stdout]    |
[INFO] [stdout] 45 |         clientId: String,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `client_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `storeId` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |         storeId: String,
[INFO] [stdout]    |         ^^^^^^^ help: convert the identifier to snake case: `store_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `clientId` should have a snake case name
[INFO] [stdout]   --> src/lib.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         clientId: String,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to snake case: `client_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(decl_macro, proc_macro_hygiene)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EmptyMutation`
[INFO] [stdout]  --> src/main.rs:4:15
[INFO] [stdout]   |
[INFO] [stdout] 4 | use juniper::{EmptyMutation, EmptySubscription, RootNode};
[INFO] [stdout]   |               ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `establish_connection`, `get_account`, `parse_address`
[INFO] [stdout]  --> src/main.rs:6:23
[INFO] [stdout]   |
[INFO] [stdout] 6 |     context::Context, establish_connection, generate_web3_transport, get_account, parse_address,
[INFO] [stdout]   |                       ^^^^^^^^^^^^^^^^^^^^                           ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `web3::api::Web3`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use web3::api::Web3;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-ethereum-study`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a3f9a92db351a0a329e1778116d6edbd9215a93517179c1d544450dcec989805", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f9a92db351a0a329e1778116d6edbd9215a93517179c1d544450dcec989805", kill_on_drop: false }`
[INFO] [stdout] a3f9a92db351a0a329e1778116d6edbd9215a93517179c1d544450dcec989805
