[INFO] cloning repository https://github.com/EthanYidong/wahp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EthanYidong/wahp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEthanYidong%2Fwahp", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84ac745acf20898bf856ffa5ddb01bf08997e26f
[INFO] checking EthanYidong/wahp 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%2FEthanYidong%2Fwahp" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/EthanYidong/wahp
[INFO] finished tweaking git repo https://github.com/EthanYidong/wahp
[INFO] tweaked toml for git repo https://github.com/EthanYidong/wahp written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/EthanYidong/wahp 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/EthanYidong/wahp 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 3823ca673faa402d826c5a85b4b71158f1b83bb078fe4bfc82ddbd426dc399f7
[INFO] running `Command { std: "docker" "start" "-a" "3823ca673faa402d826c5a85b4b71158f1b83bb078fe4bfc82ddbd426dc399f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3823ca673faa402d826c5a85b4b71158f1b83bb078fe4bfc82ddbd426dc399f7", kill_on_drop: false }`
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[INFO] [stdout] 3823ca673faa402d826c5a85b4b71158f1b83bb078fe4bfc82ddbd426dc399f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 }`
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[INFO] [stdout] warning: unused import: `wasmer::*`
[INFO] [stdout]  --> wahp-server/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasmer::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wahp_env::*`
[INFO] [stdout]   --> wahp-server/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use wahp_env::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wasmer::*`
[INFO] [stdout]  --> wahp-server/src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use wasmer::*;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wahp_env::*`
[INFO] [stdout]   --> wahp-server/src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use wahp_env::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> wahp-server/src/main.rs:14:129
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn handle(query: HashMap<String, String>, runner: WasmRunnerHandle) -> Result<impl warp::Reply, std::convert::Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________________________________________^
[INFO] [stdout] 15 | |     Ok(String::from_utf8(runner.send_request(wahp_core::WahpRequest {
[INFO] [stdout] 16 | |         query,
[INFO] [stdout] 17 | |     }.to_bytes()).await).unwrap())
[INFO] [stdout] 18 | | }
[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: Result<String, Infallible>
[INFO] [stdout]   --> wahp-server/src/main.rs:14:129
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn handle(query: HashMap<String, String>, runner: WasmRunnerHandle) -> Result<impl warp::Reply, std::convert::Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________________________________________^
[INFO] [stdout] 15 | |     Ok(String::from_utf8(runner.send_request(wahp_core::WahpRequest {
[INFO] [stdout] 16 | |         query,
[INFO] [stdout] 17 | |     }.to_bytes()).await).unwrap())
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> wahp-server/src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     Ok(String::from_utf8(runner.send_request(wahp_core::WahpRequest {
[INFO] [stdout] 16 | |         query,
[INFO] [stdout] 17 | |     }.to_bytes()).await).unwrap())
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> wahp-server/src/wahp_env.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     env.rx.send(reply);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let _ = env.rx.send(reply);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> wahp-server/src/wasm_runner.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 tx_reply.send(rx_data.recv().await.unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let _ = tx_reply.send(rx_data.recv().await.unwrap());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wahp-server` (bin "wahp-server" test) due to 3 previous errors; 4 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> wahp-server/src/main.rs:14:129
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn handle(query: HashMap<String, String>, runner: WasmRunnerHandle) -> Result<impl warp::Reply, std::convert::Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________________________________________^
[INFO] [stdout] 15 | |     Ok(String::from_utf8(runner.send_request(wahp_core::WahpRequest {
[INFO] [stdout] 16 | |         query,
[INFO] [stdout] 17 | |     }.to_bytes()).await).unwrap())
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> wahp-server/src/main.rs:14:129
[INFO] [stdout]    |
[INFO] [stdout] 14 |   async fn handle(query: HashMap<String, String>, runner: WasmRunnerHandle) -> Result<impl warp::Reply, std::convert::Infallible> {
[INFO] [stdout]    |  _________________________________________________________________________________________________________________________________^
[INFO] [stdout] 15 | |     Ok(String::from_utf8(runner.send_request(wahp_core::WahpRequest {
[INFO] [stdout] 16 | |         query,
[INFO] [stdout] 17 | |     }.to_bytes()).await).unwrap())
[INFO] [stdout] 18 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> wahp-server/src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     Ok(String::from_utf8(runner.send_request(wahp_core::WahpRequest {
[INFO] [stdout] 16 | |         query,
[INFO] [stdout] 17 | |     }.to_bytes()).await).unwrap())
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> wahp-server/src/wahp_env.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     env.rx.send(reply);
[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] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let _ = env.rx.send(reply);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> wahp-server/src/wasm_runner.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 tx_reply.send(rx_data.recv().await.unwrap());
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 let _ = tx_reply.send(rx_data.recv().await.unwrap());
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wahp-server` (bin "wahp-server") due to 3 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "25069f73623cb13d07dce8f519bc48c9d0685eb8fe258c910176f5101d25efb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25069f73623cb13d07dce8f519bc48c9d0685eb8fe258c910176f5101d25efb1", kill_on_drop: false }`
[INFO] [stdout] 25069f73623cb13d07dce8f519bc48c9d0685eb8fe258c910176f5101d25efb1
