[INFO] fetching crate jsonrpc-http-server 18.0.0...
[INFO] checking jsonrpc-http-server-18.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate jsonrpc-http-server 18.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate jsonrpc-http-server 18.0.0
[INFO] finished tweaking crates.io crate jsonrpc-http-server 18.0.0
[INFO] tweaked toml for crates.io crate jsonrpc-http-server 18.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonrpc-http-server 18.0.0 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 crates.io crate jsonrpc-http-server 18.0.0 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3c19f18435e0e8e7a848a889f6725ce7bc51b6be4e0d6685fd68e4c4694bebde
[INFO] running `Command { std: "docker" "start" "-a" "3c19f18435e0e8e7a848a889f6725ce7bc51b6be4e0d6685fd68e4c4694bebde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c19f18435e0e8e7a848a889f6725ce7bc51b6be4e0d6685fd68e4c4694bebde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c19f18435e0e8e7a848a889f6725ce7bc51b6be4e0d6685fd68e4c4694bebde", kill_on_drop: false }`
[INFO] [stdout] 3c19f18435e0e8e7a848a889f6725ce7bc51b6be4e0d6685fd68e4c4694bebde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dce0d89022d72bdbfd08be7396ac41d884ebd031b5e10f8994a28d231881de84
[INFO] running `Command { std: "docker" "start" "-a" "dce0d89022d72bdbfd08be7396ac41d884ebd031b5e10f8994a28d231881de84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking http v0.2.4
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking hyper v0.14.10
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking jsonrpc-core v18.0.0
[INFO] [stderr]     Checking jsonrpc-server-utils v18.0.0
[INFO] [stderr]     Checking jsonrpc-http-server v18.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Method`
[INFO] [stdout]  --> src/response.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use hyper::{self, header::HeaderValue, Body, Method, StatusCode};
[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: `Method`
[INFO] [stdout]  --> src/response.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use hyper::{self, header::HeaderValue, Body, Method, StatusCode};
[INFO] [stdout]   |                                                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ServerHandler<M, S>, Infallible>
[INFO] [stdout]    --> src/lib.rs:621:10
[INFO] [stdout]     |
[INFO] [stdout] 621 |             async { Ok::<_, Infallible>(service) }
[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<ServerHandler<M, S>, Infallible>
[INFO] [stdout]    --> src/lib.rs:621:12
[INFO] [stdout]     |
[INFO] [stdout] 621 |             async { Ok::<_, Infallible>(service) }
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonrpc-http-server` (lib) due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<ServerHandler<M, S>, Infallible>
[INFO] [stdout]    --> src/lib.rs:621:10
[INFO] [stdout]     |
[INFO] [stdout] 621 |             async { Ok::<_, Infallible>(service) }
[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<ServerHandler<M, S>, Infallible>
[INFO] [stdout]    --> src/lib.rs:621:12
[INFO] [stdout]     |
[INFO] [stdout] 621 |             async { Ok::<_, Infallible>(service) }
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonrpc-http-server` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "dce0d89022d72bdbfd08be7396ac41d884ebd031b5e10f8994a28d231881de84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce0d89022d72bdbfd08be7396ac41d884ebd031b5e10f8994a28d231881de84", kill_on_drop: false }`
[INFO] [stdout] dce0d89022d72bdbfd08be7396ac41d884ebd031b5e10f8994a28d231881de84
