[INFO] cloning repository https://github.com/methu-ship/Arbitrum-Data-Exporter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/methu-ship/Arbitrum-Data-Exporter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FArbitrum-Data-Exporter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FArbitrum-Data-Exporter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd6630cbe4bd566eccb5ef46cc67dbed60ca9adb
[INFO] checking methu-ship/Arbitrum-Data-Exporter against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FArbitrum-Data-Exporter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/methu-ship/Arbitrum-Data-Exporter
[INFO] finished tweaking git repo https://github.com/methu-ship/Arbitrum-Data-Exporter
[INFO] tweaked toml for git repo https://github.com/methu-ship/Arbitrum-Data-Exporter written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/methu-ship/Arbitrum-Data-Exporter on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/methu-ship/Arbitrum-Data-Exporter 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f52ec4276c788dc3520eafbf1f3c0a70bb87c4afd683d3d5d0a94397fa371c7
[INFO] running `Command { std: "docker" "start" "-a" "1f52ec4276c788dc3520eafbf1f3c0a70bb87c4afd683d3d5d0a94397fa371c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f52ec4276c788dc3520eafbf1f3c0a70bb87c4afd683d3d5d0a94397fa371c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f52ec4276c788dc3520eafbf1f3c0a70bb87c4afd683d3d5d0a94397fa371c7", kill_on_drop: false }`
[INFO] [stdout] 1f52ec4276c788dc3520eafbf1f3c0a70bb87c4afd683d3d5d0a94397fa371c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce22370035e7fca76e4ca3751917bce6733c33615b683c903b315226943f367b
[INFO] running `Command { std: "docker" "start" "-a" "ce22370035e7fca76e4ca3751917bce6733c33615b683c903b315226943f367b", kill_on_drop: false }`
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[INFO] [stderr]    Compiling thiserror-impl v2.0.12
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[INFO] [stderr]    Compiling open-fastrlp-derive v0.1.1
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[INFO] [stderr]    Compiling scale-info-derive v2.11.6
[INFO] [stderr]    Compiling num_enum_derive v0.7.4
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[INFO] [stderr]     Checking ethers-signers v2.0.14
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[INFO] [stderr]    Compiling ethers-contract-derive v2.0.14
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[INFO] [stderr]     Checking ethers-middleware v2.0.14
[INFO] [stderr]     Checking ethers v2.0.14
[INFO] [stderr]     Checking arb_monitoring v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     tokio::try_join!(updater_handle, server_handle)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<{closure@src/server.rs:13:44: 13:69}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 13 | |             Ok::<_, Infallible>(service_fn(move |req: Request<Body>| {
[INFO] [stdout] 14 | |                 let registry = registry.clone();
[INFO] [stdout] 15 | |                 async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             }))
[INFO] [stdout] 39 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<{closure@src/server.rs:13:44: 13:69}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | /             Ok::<_, Infallible>(service_fn(move |req: Request<Body>| {
[INFO] [stdout] 14 | |                 let registry = registry.clone();
[INFO] [stdout] 15 | |                 async move {
[INFO] [stdout] 16 | |                     if req.uri().path() == "/metrics" {
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             }))
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |                   async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 16 | |                     if req.uri().path() == "/metrics" {
[INFO] [stdout] 17 | |                         let encoder = TextEncoder::new();
[INFO] [stdout] 18 | |                         let metric_families = registry.gather();
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | /                     if req.uri().path() == "/metrics" {
[INFO] [stdout] 17 | |                         let encoder = TextEncoder::new();
[INFO] [stdout] 18 | |                         let metric_families = registry.gather();
[INFO] [stdout] 19 | |                         let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |                       if req.uri().path() == "/metrics" {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 17 | |                         let encoder = TextEncoder::new();
[INFO] [stdout] 18 | |                         let metric_families = registry.gather();
[INFO] [stdout] 19 | |                         let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                     } else {
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | /                         Ok::<_, Infallible>(
[INFO] [stdout] 23 | |                             Response::builder()
[INFO] [stdout] 24 | |                                 .status(200)
[INFO] [stdout] 25 | |                                 .header("Content-Type", encoder.format_type())
[INFO] [stdout] 26 | |                                 .body(Body::from(buffer))
[INFO] [stdout] 27 | |                                 .unwrap()
[INFO] [stdout] 28 | |                         )
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |                       } else {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 30 | |                         Ok::<_, Infallible>(
[INFO] [stdout] 31 | |                             Response::builder()
[INFO] [stdout] 32 | |                                 .status(404)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | /                         Ok::<_, Infallible>(
[INFO] [stdout] 31 | |                             Response::builder()
[INFO] [stdout] 32 | |                                 .status(404)
[INFO] [stdout] 33 | |                                 .body(Body::from("Not Found"))
[INFO] [stdout] 34 | |                                 .unwrap()
[INFO] [stdout] 35 | |                         )
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` in tuple element 1 that must be used
[INFO] [stdout]   --> src/main.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     tokio::try_join!(updater_handle, server_handle)?;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<{closure@src/server.rs:13:44: 13:69}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |           async move {
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 13 | |             Ok::<_, Infallible>(service_fn(move |req: Request<Body>| {
[INFO] [stdout] 14 | |                 let registry = registry.clone();
[INFO] [stdout] 15 | |                 async move {
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             }))
[INFO] [stdout] 39 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::service::util::ServiceFn<{closure@src/server.rs:13:44: 13:69}, Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:13:13
[INFO] [stdout]    |
[INFO] [stdout] 13 | /             Ok::<_, Infallible>(service_fn(move |req: Request<Body>| {
[INFO] [stdout] 14 | |                 let registry = registry.clone();
[INFO] [stdout] 15 | |                 async move {
[INFO] [stdout] 16 | |                     if req.uri().path() == "/metrics" {
[INFO] [stdout] ...  |
[INFO] [stdout] 38 | |             }))
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:15:28
[INFO] [stdout]    |
[INFO] [stdout] 15 |                   async move {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 16 | |                     if req.uri().path() == "/metrics" {
[INFO] [stdout] 17 | |                         let encoder = TextEncoder::new();
[INFO] [stdout] 18 | |                         let metric_families = registry.gather();
[INFO] [stdout] ...  |
[INFO] [stdout] 37 | |                 }
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | /                     if req.uri().path() == "/metrics" {
[INFO] [stdout] 17 | |                         let encoder = TextEncoder::new();
[INFO] [stdout] 18 | |                         let metric_families = registry.gather();
[INFO] [stdout] 19 | |                         let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:16:55
[INFO] [stdout]    |
[INFO] [stdout] 16 |                       if req.uri().path() == "/metrics" {
[INFO] [stdout]    |  _______________________________________________________^
[INFO] [stdout] 17 | |                         let encoder = TextEncoder::new();
[INFO] [stdout] 18 | |                         let metric_families = registry.gather();
[INFO] [stdout] 19 | |                         let mut buffer = Vec::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 29 | |                     } else {
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:22:25
[INFO] [stdout]    |
[INFO] [stdout] 22 | /                         Ok::<_, Infallible>(
[INFO] [stdout] 23 | |                             Response::builder()
[INFO] [stdout] 24 | |                                 .status(200)
[INFO] [stdout] 25 | |                                 .header("Content-Type", encoder.format_type())
[INFO] [stdout] 26 | |                                 .body(Body::from(buffer))
[INFO] [stdout] 27 | |                                 .unwrap()
[INFO] [stdout] 28 | |                         )
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:29:28
[INFO] [stdout]    |
[INFO] [stdout] 29 |                       } else {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 30 | |                         Ok::<_, Infallible>(
[INFO] [stdout] 31 | |                             Response::builder()
[INFO] [stdout] 32 | |                                 .status(404)
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |                     }
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<hyper::Response<Body>, Infallible>
[INFO] [stdout]   --> src/server.rs:30:25
[INFO] [stdout]    |
[INFO] [stdout] 30 | /                         Ok::<_, Infallible>(
[INFO] [stdout] 31 | |                             Response::builder()
[INFO] [stdout] 32 | |                                 .status(404)
[INFO] [stdout] 33 | |                                 .body(Body::from("Not Found"))
[INFO] [stdout] 34 | |                                 .unwrap()
[INFO] [stdout] 35 | |                         )
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arb_monitoring` (bin "arb_monitoring") due to 8 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `arb_monitoring` (bin "arb_monitoring" test) due to 8 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "ce22370035e7fca76e4ca3751917bce6733c33615b683c903b315226943f367b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce22370035e7fca76e4ca3751917bce6733c33615b683c903b315226943f367b", kill_on_drop: false }`
[INFO] [stdout] ce22370035e7fca76e4ca3751917bce6733c33615b683c903b315226943f367b
