[INFO] cloning repository https://github.com/1devNdogs/rusting-on-ethers-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/1devNdogs/rusting-on-ethers-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1devNdogs%2Frusting-on-ethers-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1devNdogs%2Frusting-on-ethers-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c44757fc17fdee046a80bf0bee88926ee4880045
[INFO] testing 1devNdogs/rusting-on-ethers-rs against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F1devNdogs%2Frusting-on-ethers-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/1devNdogs/rusting-on-ethers-rs on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/1devNdogs/rusting-on-ethers-rs
[INFO] finished tweaking git repo https://github.com/1devNdogs/rusting-on-ethers-rs
[INFO] tweaked toml for git repo https://github.com/1devNdogs/rusting-on-ethers-rs written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/1devNdogs/rusting-on-ethers-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f04efd256885666b18b5e0ae3fb3c0fd7c69b06cfdbad8884d5d4c044dc09d37
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f04efd256885666b18b5e0ae3fb3c0fd7c69b06cfdbad8884d5d4c044dc09d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f04efd256885666b18b5e0ae3fb3c0fd7c69b06cfdbad8884d5d4c044dc09d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f04efd256885666b18b5e0ae3fb3c0fd7c69b06cfdbad8884d5d4c044dc09d37", kill_on_drop: false }`
[INFO] [stdout] f04efd256885666b18b5e0ae3fb3c0fd7c69b06cfdbad8884d5d4c044dc09d37
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeac84c5a88971ae93a5425cb58311abc9d4edd1774adeaf695f40d0bce5b9db
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "eeac84c5a88971ae93a5425cb58311abc9d4edd1774adeaf695f40d0bce5b9db", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tokio-util v0.6.7
[INFO] [stderr]    Compiling tokio-rustls v0.22.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling tokio-tungstenite v0.14.0
[INFO] [stderr]    Compiling h2 v0.3.3
[INFO] [stderr]    Compiling ethereum-types v0.11.0
[INFO] [stderr]    Compiling ethabi v14.1.0
[INFO] [stderr]    Compiling ethers-core v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling hyper v0.14.10
[INFO] [stderr]    Compiling ethers-signers v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling hyper-rustls v0.22.1
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.4
[INFO] [stderr]    Compiling ethers-contract-abigen v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling ethers-providers v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling ethers-contract-derive v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling ethers-contract v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling ethers-middleware v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling ethers v0.4.0 (https://github.com/gakonst/ethers-rs#d31d19c3)
[INFO] [stderr]    Compiling rust_quickstart v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `async_one`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let async_one = subscribe_blocks::run();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_one`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `async_three`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let async_three = watch_blocks::run();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_three`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `async_four`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let async_four = watch_pending_transactions::run();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_four`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     futures::join!(async_two);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `futures::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4m 16s
[INFO] running `Command { std: "docker" "inspect" "eeac84c5a88971ae93a5425cb58311abc9d4edd1774adeaf695f40d0bce5b9db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeac84c5a88971ae93a5425cb58311abc9d4edd1774adeaf695f40d0bce5b9db", kill_on_drop: false }`
[INFO] [stdout] eeac84c5a88971ae93a5425cb58311abc9d4edd1774adeaf695f40d0bce5b9db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6e306440775bc085855a3244b2baa3a41b6d2c0b8c0c9aec070921f794b00bf3
[INFO] running `Command { std: "docker" "start" "-a" "6e306440775bc085855a3244b2baa3a41b6d2c0b8c0c9aec070921f794b00bf3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_quickstart v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `async_one`
[INFO] [stdout]   --> src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let async_one = subscribe_blocks::run();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_one`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `async_three`
[INFO] [stdout]   --> src/main.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let async_three = watch_blocks::run();
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_three`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `async_four`
[INFO] [stdout]   --> src/main.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let async_four = watch_pending_transactions::run();
[INFO] [stdout]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_four`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     futures::join!(async_two);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `futures::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.54s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_quickstart-c93ccee998e8183c)
[INFO] running `Command { std: "docker" "inspect" "6e306440775bc085855a3244b2baa3a41b6d2c0b8c0c9aec070921f794b00bf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e306440775bc085855a3244b2baa3a41b6d2c0b8c0c9aec070921f794b00bf3", kill_on_drop: false }`
[INFO] [stdout] 6e306440775bc085855a3244b2baa3a41b6d2c0b8c0c9aec070921f794b00bf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc4f6fe47b742d53f1ae6682606ba1e57559c4390b107e9ab82a08c1af284b69
[INFO] running `Command { std: "docker" "start" "-a" "fc4f6fe47b742d53f1ae6682606ba1e57559c4390b107e9ab82a08c1af284b69", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `async_one`
[INFO] [stderr]   --> src/main.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let async_one = subscribe_blocks::run();
[INFO] [stderr]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_one`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `async_three`
[INFO] [stderr]   --> src/main.rs:21:9
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let async_three = watch_blocks::run();
[INFO] [stderr]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_three`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `async_four`
[INFO] [stderr]   --> src/main.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let async_four = watch_pending_transactions::run();
[INFO] [stderr]    |         ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_async_four`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` in tuple element 0 that must be used
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     futures::join!(async_two);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `futures::join` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_quickstart` (bin "rust_quickstart" test) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_quickstart-c93ccee998e8183c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fc4f6fe47b742d53f1ae6682606ba1e57559c4390b107e9ab82a08c1af284b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4f6fe47b742d53f1ae6682606ba1e57559c4390b107e9ab82a08c1af284b69", kill_on_drop: false }`
[INFO] [stdout] fc4f6fe47b742d53f1ae6682606ba1e57559c4390b107e9ab82a08c1af284b69