[INFO] fetching crate wasm-streams 0.1.1...
[INFO] checking wasm-streams-0.1.1 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate wasm-streams 0.1.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate wasm-streams 0.1.1 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wasm-streams 0.1.1
[INFO] finished tweaking crates.io crate wasm-streams 0.1.1
[INFO] tweaked toml for crates.io crate wasm-streams 0.1.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate wasm-streams 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.17
[INFO] [stderr]   Downloaded bumpalo v3.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.13
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.13
[INFO] [stderr]   Downloaded syn v1.0.29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 2b9d3b241f01a1dac41c27e8e60ebbb7e5954ab49fd92e526f7e909b30dd1b68
[INFO] running `Command { std: "docker" "start" "-a" "2b9d3b241f01a1dac41c27e8e60ebbb7e5954ab49fd92e526f7e909b30dd1b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b9d3b241f01a1dac41c27e8e60ebbb7e5954ab49fd92e526f7e909b30dd1b68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9d3b241f01a1dac41c27e8e60ebbb7e5954ab49fd92e526f7e909b30dd1b68", kill_on_drop: false }`
[INFO] [stdout] 2b9d3b241f01a1dac41c27e8e60ebbb7e5954ab49fd92e526f7e909b30dd1b68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4d842a4830e3b68fa21cb4ff5cecba4c7824252a250000697aaa29a9c6d6a9c
[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" "e4d842a4830e3b68fa21cb4ff5cecba4c7824252a250000697aaa29a9c6d6a9c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.17
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.29
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.63
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bumpalo v3.3.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.63
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.13
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.17
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking pin-project v0.4.17
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking js-sys v0.3.40
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.13
[INFO] [stderr]     Checking web-sys v0.3.40
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking wasm-bindgen-test v0.3.13
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking wasm-streams v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `high_water_mark`
[INFO] [stdout]   --> src/queuing_strategy/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn high_water_mark(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     inner: Rc<RefCell<Inner>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pull`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn pull(&mut self, controller: sys::ReadableStreamDefaultController) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn cancel(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     stream: Option<Pin<Box<JsValueStream>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pull`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |     async fn pull(&mut self, controller: sys::ReadableStreamDefaultController) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     inner: Rc<RefCell<Inner>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn write(&mut self, chunk: JsValue) -> Promise {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn close(self) -> Promise {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn abort(self, reason: JsValue) -> Promise {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sink`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     sink: Option<Pin<Box<dyn Sink<JsValue, Error = JsValue>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn write(&mut self, chunk: JsValue) -> Result<(), JsValue> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |     async fn close(&mut self) -> Result<(), JsValue> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |     async fn abort(&mut self, _reason: JsValue) -> Result<(), JsValue> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `high_water_mark`
[INFO] [stdout]   --> src/queuing_strategy/mod.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub fn high_water_mark(&self) -> f64 {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     inner: Rc<RefCell<Inner>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pull`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn pull(&mut self, controller: sys::ReadableStreamDefaultController) {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cancel`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn cancel(self) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stream`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 75 |     stream: Option<Pin<Box<JsValueStream>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pull`
[INFO] [stdout]   --> src/readable/into_underlying_source.rs:85:14
[INFO] [stdout]    |
[INFO] [stdout] 85 |     async fn pull(&mut self, controller: sys::ReadableStreamDefaultController) {
[INFO] [stdout]    |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `inner`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     inner: Rc<RefCell<Inner>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub fn write(&mut self, chunk: JsValue) -> Promise {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:35:12
[INFO] [stdout]    |
[INFO] [stdout] 35 |     pub fn close(self) -> Promise {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |     pub fn abort(self, reason: JsValue) -> Promise {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sink`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     sink: Option<Pin<Box<dyn Sink<JsValue, Error = JsValue>>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `write`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:61:14
[INFO] [stdout]    |
[INFO] [stdout] 61 |     async fn write(&mut self, chunk: JsValue) -> Result<(), JsValue> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `close`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:75:14
[INFO] [stdout]    |
[INFO] [stdout] 75 |     async fn close(&mut self) -> Result<(), JsValue> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `abort`
[INFO] [stdout]   --> src/writable/into_underlying_sink.rs:82:14
[INFO] [stdout]    |
[INFO] [stdout] 82 |     async fn abort(&mut self, _reason: JsValue) -> Result<(), JsValue> {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.25s
[INFO] running `Command { std: "docker" "inspect" "e4d842a4830e3b68fa21cb4ff5cecba4c7824252a250000697aaa29a9c6d6a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4d842a4830e3b68fa21cb4ff5cecba4c7824252a250000697aaa29a9c6d6a9c", kill_on_drop: false }`
[INFO] [stdout] e4d842a4830e3b68fa21cb4ff5cecba4c7824252a250000697aaa29a9c6d6a9c