[INFO] fetching crate jsonrpc-http-server 18.0.0...
[INFO] checking jsonrpc-http-server-18.0.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate jsonrpc-http-server 18.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate jsonrpc-http-server 18.0.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc1/source/Cargo.toml
[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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hyper v0.14.10
[INFO] [stderr]   Downloaded tokio v1.8.2
[INFO] [stderr]   Downloaded jsonrpc-server-utils v18.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc53d84224dcdc662ec029d1f84446ed4f465d621c96fba11175e0a624841135
[INFO] running `Command { std: "docker" "start" "-a" "bc53d84224dcdc662ec029d1f84446ed4f465d621c96fba11175e0a624841135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc53d84224dcdc662ec029d1f84446ed4f465d621c96fba11175e0a624841135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc53d84224dcdc662ec029d1f84446ed4f465d621c96fba11175e0a624841135", kill_on_drop: false }`
[INFO] [stdout] bc53d84224dcdc662ec029d1f84446ed4f465d621c96fba11175e0a624841135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c239c182476e28b680c4ef1e1ac4dff075a3f8f075e85e0fbfd86cc0a32d0ff
[INFO] running `Command { std: "docker" "start" "-a" "3c239c182476e28b680c4ef1e1ac4dff075a3f8f075e85e0fbfd86cc0a32d0ff", 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]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]    Compiling futures-task v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling tokio v1.8.2
[INFO] [stderr]     Checking futures-io v0.3.15
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[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 http v0.2.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking num_cpus v1.13.0
[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 smallvec v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking httpdate v1.0.1
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.7
[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: the item `hyper` is imported redundantly
[INFO] [stdout]   --> src/handler.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hyper::{self, service::Service, Body, Method};
[INFO] [stdout]    |             ^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` 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] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]  --> src/response.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use hyper::{self, header::HeaderValue, Body, Method, StatusCode};
[INFO] [stdout]   |                 ^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hyper::{self, header};
[INFO] [stdout]   |             ^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]    --> src/handler.rs:595:14
[INFO] [stdout]     |
[INFO] [stdout] 595 |     use super::{hyper, RpcHandler};
[INFO] [stdout]     |                 ^^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` 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] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]  --> src/response.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use hyper::{self, header::HeaderValue, Body, Method, StatusCode};
[INFO] [stdout]   |                 ^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]  --> src/tests.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use self::jsonrpc_core::futures;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the item `futures` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]  --> src/utils.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use hyper::{self, header};
[INFO] [stdout]   |             ^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]  --> examples/http_meta.rs:2:60
[INFO] [stdout]   |
[INFO] [stdout] 2 | use jsonrpc_http_server::{cors::AccessControlAllowHeaders, hyper, RestApi, ServerBuilder};
[INFO] [stdout]   |                                                            ^^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `futures` is imported redundantly
[INFO] [stdout]  --> examples/http_middleware.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use jsonrpc_http_server::jsonrpc_core::futures;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the item `futures` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `hyper` is imported redundantly
[INFO] [stdout]  --> examples/http_middleware.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use jsonrpc_http_server::{hyper, AccessControlAllowOrigin, DomainsValidation, Response, RestApi, ServerBuilder};
[INFO] [stdout]   |                           ^^^^^ the item `hyper` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.65s
[INFO] running `Command { std: "docker" "inspect" "3c239c182476e28b680c4ef1e1ac4dff075a3f8f075e85e0fbfd86cc0a32d0ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c239c182476e28b680c4ef1e1ac4dff075a3f8f075e85e0fbfd86cc0a32d0ff", kill_on_drop: false }`
[INFO] [stdout] 3c239c182476e28b680c4ef1e1ac4dff075a3f8f075e85e0fbfd86cc0a32d0ff