[INFO] crate oxygengine-audio-backend-web 0.5.5 is already in cache
[INFO] checking oxygengine-audio-backend-web-0.5.5 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325
[INFO] extracting crate oxygengine-audio-backend-web 0.5.5 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate oxygengine-audio-backend-web 0.5.5 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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-14/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 28eb56d9512f2402b370d9d45f47da073a33a891995082e9104c4257ff691f07
[INFO] running `"docker" "start" "-a" "28eb56d9512f2402b370d9d45f47da073a33a891995082e9104c4257ff691f07"`
[INFO] [stderr]    Compiling web-sys v0.3.35
[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 13.42s
[INFO] running `"docker" "inspect" "28eb56d9512f2402b370d9d45f47da073a33a891995082e9104c4257ff691f07"`
[INFO] running `"docker" "rm" "-f" "28eb56d9512f2402b370d9d45f47da073a33a891995082e9104c4257ff691f07"`
[INFO] [stdout] 28eb56d9512f2402b370d9d45f47da073a33a891995082e9104c4257ff691f07