[INFO] crate oxygengine-audio-backend-web 0.5.5 is already in cache
[INFO] checking oxygengine-audio-backend-web-0.5.5 against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] extracting crate oxygengine-audio-backend-web 0.5.5 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate oxygengine-audio-backend-web 0.5.5 on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate oxygengine-audio-backend-web 0.5.5
[INFO] finished tweaking crates.io crate oxygengine-audio-backend-web 0.5.5
[INFO] tweaked toml for crates.io crate oxygengine-audio-backend-web 0.5.5 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 616fe215cc264d0a162aac9f9617d2b76cd566492d2c19b71679fa7eaa6129e8
[INFO] running `"docker" "start" "-a" "616fe215cc264d0a162aac9f9617d2b76cd566492d2c19b71679fa7eaa6129e8"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nonzero_signed v1.0.3
[INFO] [stderr]     Checking tuple_utils v0.2.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking shred v0.7.2
[INFO] [stderr]    Compiling shred-derive v0.5.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling web-sys v0.3.35
[INFO] [stderr]     Checking wasm-bindgen-futures v0.3.27
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking typid v1.0.1
[INFO] [stderr]     Checking crossbeam v0.4.1
[INFO] [stderr]     Checking specs v0.14.3
[INFO] [stderr]     Checking specs-hierarchy v0.3.1
[INFO] [stderr]     Checking oxygengine-core v0.5.6
[INFO] [stderr]     Checking oxygengine-audio v0.5.6
[INFO] [stderr]     Checking oxygengine-audio-backend-web v0.5.5 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]   --> src/lib.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 audio.play().expect("Could not start audio source");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]    --> src/lib.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             future_to_promise(future);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]    --> src/lib.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 | ...                   audio.play().expect("Could not start audio source");
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]   --> src/lib.rs:85:17
[INFO] [stderr]    |
[INFO] [stderr] 85 |                 audio.play().expect("Could not start audio source");
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]    --> src/lib.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 116 |             future_to_promise(future);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `js_sys::Promise` that must be used
[INFO] [stderr]    --> src/lib.rs:174:29
[INFO] [stderr]     |
[INFO] [stderr] 174 | ...                   audio.play().expect("Could not start audio source");
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.91s
[INFO] running `"docker" "inspect" "616fe215cc264d0a162aac9f9617d2b76cd566492d2c19b71679fa7eaa6129e8"`
[INFO] running `"docker" "rm" "-f" "616fe215cc264d0a162aac9f9617d2b76cd566492d2c19b71679fa7eaa6129e8"`
[INFO] [stdout] 616fe215cc264d0a162aac9f9617d2b76cd566492d2c19b71679fa7eaa6129e8