[INFO] fetching crate throttled_json_rpc 0.0.6...
[INFO] testing throttled_json_rpc-0.0.6 against 1.60.0 for beta-1.61-1
[INFO] extracting crate throttled_json_rpc 0.0.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate throttled_json_rpc 0.0.6 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate throttled_json_rpc 0.0.6
[INFO] finished tweaking crates.io crate throttled_json_rpc 0.0.6
[INFO] tweaked toml for crates.io crate throttled_json_rpc 0.0.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded publicsuffix v1.5.6
[INFO] [stderr]   Downloaded try_from v0.3.2
[INFO] [stderr]   Downloaded cookie_store v0.7.0
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded reqwest v0.9.24
[INFO] [stderr]   Downloaded hyper-tls v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 87113a121a679943368fa85081dd29cc9c96012f766dedec65c13c69adb73b58
[INFO] running `Command { std: "docker" "start" "-a" "87113a121a679943368fa85081dd29cc9c96012f766dedec65c13c69adb73b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87113a121a679943368fa85081dd29cc9c96012f766dedec65c13c69adb73b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87113a121a679943368fa85081dd29cc9c96012f766dedec65c13c69adb73b58", kill_on_drop: false }`
[INFO] [stdout] 87113a121a679943368fa85081dd29cc9c96012f766dedec65c13c69adb73b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", 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] 208f51d5fdbf89a52f6e86de86af33447d4a76c515f708dfd05c74057c82d80b
[INFO] running `Command { std: "docker" "start" "-a" "208f51d5fdbf89a52f6e86de86af33447d4a76c515f708dfd05c74057c82d80b", kill_on_drop: false }`
[INFO] [stderr]    Compiling throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `Stuff`
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Stuff = String;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `Command { std: "docker" "inspect" "208f51d5fdbf89a52f6e86de86af33447d4a76c515f708dfd05c74057c82d80b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "208f51d5fdbf89a52f6e86de86af33447d4a76c515f708dfd05c74057c82d80b", kill_on_drop: false }`
[INFO] [stdout] 208f51d5fdbf89a52f6e86de86af33447d4a76c515f708dfd05c74057c82d80b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeadd6e2613bf269954ab157ae6107b8fc29c2baab90afe6b22060cf9b1796b8
[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" "eeadd6e2613bf269954ab157ae6107b8fc29c2baab90afe6b22060cf9b1796b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling try_from v0.3.2
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stdout] warning: type alias is never used: `Stuff`
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Stuff = String;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling flate2 v1.0.23
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling native-tls v0.2.10
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling throttled_json_rpc v0.0.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `max_batch_size`
[INFO] [stdout]    --> src/macros.rs:228:13
[INFO] [stdout]     |
[INFO] [stdout] 228 |               max_batch_size: usize,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/macros.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |   ...   pub fn new(uri: String, user: Option<String>, pass: Option<String>, max_concurrency: usize, rps: usize, max_batch_size: usize) -> Arc<Self...
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `batcher`
[INFO] [stdout]    --> src/macros.rs:247:13
[INFO] [stdout]     |
[INFO] [stdout] 247 |               pub fn batcher<'a, T: for<'de> Deserialize<'de>>(&'a self) -> BatcherPair<'a, T> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `call_method`
[INFO] [stdout]    --> src/macros.rs:256:13
[INFO] [stdout]     |
[INFO] [stdout] 256 |               fn call_method<T: Serialize>(&self, method: &'static str, params: T) -> Result<String, Error> {
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `a`
[INFO] [stdout]    --> src/macros.rs:306:21
[INFO] [stdout]     |
[INFO] [stdout] 306 |                       pub fn $method_a(&self$(, $arg_name_a: $arg_ty_a)*) -> Result<$return_ty_a, Error> {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `b`
[INFO] [stdout]    --> src/macros.rs:318:21
[INFO] [stdout]     |
[INFO] [stdout] 318 |                       pub fn $method_b(&self$(, $arg_name_b: $arg_ty_b)*) -> Result<reply::$method_b, Error> {
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `A`
[INFO] [stdout]   --> src/macros.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |                           $($title($return_ty_b),)+
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9  | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: `b` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/macros.rs:95:30
[INFO] [stdout]    |
[INFO] [stdout] 95 |                       #[derive(Debug)]
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9  | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `B`
[INFO] [stdout]   --> src/macros.rs:98:27
[INFO] [stdout]    |
[INFO] [stdout] 98 |                           $($title($return_ty_b),)+
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9  | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: `b` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/macros.rs:95:30
[INFO] [stdout]    |
[INFO] [stdout] 95 |                       #[derive(Debug)]
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9  | |         single:
[INFO] [stdout] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11 | |         enum:
[INFO] [stdout] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13 | |     });
[INFO] [stdout]    | |______- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `A`
[INFO] [stdout]    --> src/macros.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, Error> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `B`
[INFO] [stdout]    --> src/macros.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, Error> {
[INFO] [stdout]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:8:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stdout] 9   | |         single:
[INFO] [stdout] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stdout] 11  | |         enum:
[INFO] [stdout] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stdout] 13  | |     });
[INFO] [stdout]     | |______- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 51.53s
[INFO] running `Command { std: "docker" "inspect" "eeadd6e2613bf269954ab157ae6107b8fc29c2baab90afe6b22060cf9b1796b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeadd6e2613bf269954ab157ae6107b8fc29c2baab90afe6b22060cf9b1796b8", kill_on_drop: false }`
[INFO] [stdout] eeadd6e2613bf269954ab157ae6107b8fc29c2baab90afe6b22060cf9b1796b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", 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] 0ba194a5203ad43cff243922c4720b86baa5e28c77c744da0b4761110536c998
[INFO] running `Command { std: "docker" "start" "-a" "0ba194a5203ad43cff243922c4720b86baa5e28c77c744da0b4761110536c998", kill_on_drop: false }`
[INFO] [stderr] warning: type alias is never used: `Stuff`
[INFO] [stderr]  --> src/lib.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | type Stuff = String;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `throttled_json_rpc` (lib) generated 1 warning
[INFO] [stderr] warning: field is never read: `max_batch_size`
[INFO] [stderr]    --> src/macros.rs:228:13
[INFO] [stderr]     |
[INFO] [stderr] 228 |               max_batch_size: usize,
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]    --> src/macros.rs:233:13
[INFO] [stderr]     |
[INFO] [stderr] 233 |   ...   pub fn new(uri: String, user: Option<String>, pass: Option<String>, max_concurrency: usize, rps: usize, max_batch_size: usize) -> Arc<Self...
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `batcher`
[INFO] [stderr]    --> src/macros.rs:247:13
[INFO] [stderr]     |
[INFO] [stderr] 247 |               pub fn batcher<'a, T: for<'de> Deserialize<'de>>(&'a self) -> BatcherPair<'a, T> {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `call_method`
[INFO] [stderr]    --> src/macros.rs:256:13
[INFO] [stderr]     |
[INFO] [stderr] 256 |               fn call_method<T: Serialize>(&self, method: &'static str, params: T) -> Result<String, Error> {
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `a`
[INFO] [stderr]    --> src/macros.rs:306:21
[INFO] [stderr]     |
[INFO] [stderr] 306 |                       pub fn $method_a(&self$(, $arg_name_a: $arg_ty_a)*) -> Result<$return_ty_a, Error> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `b`
[INFO] [stderr]    --> src/macros.rs:318:21
[INFO] [stderr]     |
[INFO] [stderr] 318 |                       pub fn $method_b(&self$(, $arg_name_b: $arg_ty_b)*) -> Result<reply::$method_b, Error> {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `A`
[INFO] [stderr]   --> src/macros.rs:98:27
[INFO] [stderr]    |
[INFO] [stderr] 98 |                           $($title($return_ty_b),)+
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9  | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] note: `b` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/macros.rs:95:30
[INFO] [stderr]    |
[INFO] [stderr] 95 |                       #[derive(Debug)]
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9  | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `B`
[INFO] [stderr]   --> src/macros.rs:98:27
[INFO] [stderr]    |
[INFO] [stderr] 98 |                           $($title($return_ty_b),)+
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9  | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    |
[INFO] [stderr] note: `b` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/macros.rs:95:30
[INFO] [stderr]    |
[INFO] [stderr] 95 |                       #[derive(Debug)]
[INFO] [stderr]    |                                ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]   ::: src/lib.rs:8:5
[INFO] [stderr]    |
[INFO] [stderr] 8  | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9  | |         single:
[INFO] [stderr] 10 | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11 | |         enum:
[INFO] [stderr] 12 | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13 | |     });
[INFO] [stderr]    | |______- in this macro invocation
[INFO] [stderr]    = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `A`
[INFO] [stderr]    --> src/macros.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, Error> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `B`
[INFO] [stderr]    --> src/macros.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 |   ...                   pub fn $title(self) -> Result<$return_ty_b, Error> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/lib.rs:8:5
[INFO] [stderr]     |
[INFO] [stderr] 8   | /     jsonrpc_client!(pub struct RpcClient {
[INFO] [stderr] 9   | |         single:
[INFO] [stderr] 10  | |             pub fn a(&self, i: usize) -> Result<u64>;
[INFO] [stderr] 11  | |         enum:
[INFO] [stderr] 12  | |             pub fn b(&self) -> Result<A(Stuff)|B(Vec<String>)>;
[INFO] [stderr] 13  | |     });
[INFO] [stderr]     | |______- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: this warning originates in the macro `jsonrpc_client` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `throttled_json_rpc` (lib test) generated 10 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.23s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/throttled_json_rpc-2880cf8844ef82cd)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests throttled_json_rpc
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0ba194a5203ad43cff243922c4720b86baa5e28c77c744da0b4761110536c998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ba194a5203ad43cff243922c4720b86baa5e28c77c744da0b4761110536c998", kill_on_drop: false }`
[INFO] [stdout] 0ba194a5203ad43cff243922c4720b86baa5e28c77c744da0b4761110536c998