[INFO] fetching crate drogue-http-client 0.0.2...
[INFO] checking drogue-http-client-0.0.2 against beta for pr-78714
[INFO] extracting crate drogue-http-client 0.0.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate drogue-http-client 0.0.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate drogue-http-client 0.0.2
[INFO] finished tweaking crates.io crate drogue-http-client 0.0.2
[INFO] tweaked toml for crates.io crate drogue-http-client 0.0.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 8af793a858348978a936828ae69f9552999f59341ba5d0f8952ad10efeebb7df
[INFO] running `Command { std: "docker" "start" "-a" "8af793a858348978a936828ae69f9552999f59341ba5d0f8952ad10efeebb7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af793a858348978a936828ae69f9552999f59341ba5d0f8952ad10efeebb7df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af793a858348978a936828ae69f9552999f59341ba5d0f8952ad10efeebb7df", kill_on_drop: false }`
[INFO] [stdout] 8af793a858348978a936828ae69f9552999f59341ba5d0f8952ad10efeebb7df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8220c400ed68d18920d4a5d4063167c1cc4f88ed620115af8aab4d528efefc4f
[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" "8220c400ed68d18920d4a5d4063167c1cc4f88ed620115af8aab4d528efefc4f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling heapless v0.5.6
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking no-std-net v0.4.0
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking hash32 v0.1.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking as-slice v0.1.4
[INFO] [stderr]     Checking drogue-network v0.2.0
[INFO] [stderr]     Checking drogue-http-client v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> src/con.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 | /         self.connection
[INFO] [stdout] 162 | |             .send_request::<S, OUT>(sink, self.method, self.path, self.headers, payload);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> src/con.rs:317:17
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 self.connection.inbound.extend_from_slice(data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> src/con.rs:161:9
[INFO] [stdout]     |
[INFO] [stdout] 161 | /         self.connection
[INFO] [stdout] 162 | |             .send_request::<S, OUT>(sink, self.method, self.path, self.headers, payload);
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `core::result::Result` that must be used
[INFO] [stdout]    --> src/con.rs:317:17
[INFO] [stdout]     |
[INFO] [stdout] 317 |                 self.connection.inbound.extend_from_slice(data);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.01s
[INFO] running `Command { std: "docker" "inspect" "8220c400ed68d18920d4a5d4063167c1cc4f88ed620115af8aab4d528efefc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8220c400ed68d18920d4a5d4063167c1cc4f88ed620115af8aab4d528efefc4f", kill_on_drop: false }`
[INFO] [stdout] 8220c400ed68d18920d4a5d4063167c1cc4f88ed620115af8aab4d528efefc4f