[INFO] fetching crate grpc-web-client 0.1.2...
[INFO] checking grpc-web-client-0.1.2 against master#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] extracting crate grpc-web-client 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate grpc-web-client 0.1.2 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grpc-web-client 0.1.2
[INFO] finished tweaking crates.io crate grpc-web-client 0.1.2
[INFO] tweaked toml for crates.io crate grpc-web-client 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 783ff6907c634ff5ee568133d945f4f0e66121f6c7a6a3aee378e33eb4874198
[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" "783ff6907c634ff5ee568133d945f4f0e66121f6c7a6a3aee378e33eb4874198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "783ff6907c634ff5ee568133d945f4f0e66121f6c7a6a3aee378e33eb4874198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "783ff6907c634ff5ee568133d945f4f0e66121f6c7a6a3aee378e33eb4874198", kill_on_drop: false }`
[INFO] [stdout] 783ff6907c634ff5ee568133d945f4f0e66121f6c7a6a3aee378e33eb4874198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32b1bedd602ddbfd7d8b20d15ab995b80904d0a4d781a4bff935f17cead56f31
[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" "32b1bedd602ddbfd7d8b20d15ab995b80904d0a4d781a4bff935f17cead56f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.15
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling futures-util v0.3.15
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-stream v0.1.6
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.74
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.74
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.74
[INFO] [stderr]     Checking wasm-bindgen v0.2.74
[INFO] [stderr]     Checking async-stream v0.3.2
[INFO] [stderr]     Checking js-sys v0.3.51
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking tonic v0.4.3
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.24
[INFO] [stderr]     Checking web-sys v0.3.51
[INFO] [stderr]     Checking wasm-streams v0.1.2
[INFO] [stderr]     Checking grpc-web-client v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant is never used: `GRPC_WEB`
[INFO] [stdout]   --> src/call.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub(crate) const GRPC_WEB: &str = "application/grpc-web";
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_grpc_web`
[INFO] [stdout]   --> src/call.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn is_grpc_web(headers: &HeaderMap) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `content_type`
[INFO] [stdout]   --> src/call.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn content_type(headers: &HeaderMap) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Encode`
[INFO] [stdout]   --> src/call.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Encode,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `server_request`
[INFO] [stdout]   --> src/call.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) fn server_request(inner: B, encoding: Encoding) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `server_response`
[INFO] [stdout]   --> src/call.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) fn server_response(inner: B, encoding: Encoding) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `client_request`
[INFO] [stdout]   --> src/call.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(crate) fn client_request(inner: B, encoding: Encoding) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_accept`
[INFO] [stdout]    --> src/call.rs:402:19
[INFO] [stdout]     |
[INFO] [stdout] 402 |     pub(crate) fn from_accept(headers: &HeaderMap) -> Encoding {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_grpc_web`
[INFO] [stdout]   --> src/call.rs:28:19
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub(crate) fn is_grpc_web(headers: &HeaderMap) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `content_type`
[INFO] [stdout]   --> src/call.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn content_type(headers: &HeaderMap) -> Option<&str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Encode`
[INFO] [stdout]   --> src/call.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Encode,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `server_request`
[INFO] [stdout]   --> src/call.rs:85:19
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub(crate) fn server_request(inner: B, encoding: Encoding) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `server_response`
[INFO] [stdout]   --> src/call.rs:89:19
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub(crate) fn server_response(inner: B, encoding: Encoding) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `client_request`
[INFO] [stdout]   --> src/call.rs:93:19
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub(crate) fn client_request(inner: B, encoding: Encoding) -> Self {
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 11s
[INFO] running `Command { std: "docker" "inspect" "32b1bedd602ddbfd7d8b20d15ab995b80904d0a4d781a4bff935f17cead56f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32b1bedd602ddbfd7d8b20d15ab995b80904d0a4d781a4bff935f17cead56f31", kill_on_drop: false }`
[INFO] [stdout] 32b1bedd602ddbfd7d8b20d15ab995b80904d0a4d781a4bff935f17cead56f31