[INFO] updating cached repository https://github.com/Kirguir/tracedemo
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7074f57bbf918f7902c99357cf3bd3d23a84e4d9
[INFO] checking Kirguir/tracedemo against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKirguir%2Ftracedemo" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kirguir/tracedemo on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Kirguir/tracedemo
[INFO] finished tweaking git repo https://github.com/Kirguir/tracedemo
[INFO] tweaked toml for git repo https://github.com/Kirguir/tracedemo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Kirguir/tracedemo already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "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] fbff43596752d7555932e0ecc0fa3c8302afdb8fa129ed3ede6c9ee2ea189c49
[INFO] running `"docker" "start" "-a" "fbff43596752d7555932e0ecc0fa3c8302afdb8fa129ed3ede6c9ee2ea189c49"`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen v0.2.50
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.38
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling weedle v0.10.0
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.50
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.50
[INFO] [stderr]    Compiling web-sys v0.3.27
[INFO] [stderr]     Checking js-sys v0.3.27
[INFO] [stderr]     Checking tracedemo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: can only #[wasm_bindgen] public functions
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn get_media_manager(detached:bool) -> Result<MediaManager, DetachedStateError> {
[INFO] [stderr] 12 | |     if detached {
[INFO] [stderr] 13 | |         Err(DetachedStateError::new("DetachedStateError when accessing media_manager"))
[INFO] [stderr] 14 | |     } else {
[INFO] [stderr] 15 | |         Ok(MediaManager{})
[INFO] [stderr] 16 | |     }
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `MediaStreamConstraints`, `MediaStream`
[INFO] [stderr]  --> src/lib.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use web_sys::{MediaStreamConstraints, MediaStream};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DetachedStateError`, `JasonError`, `MediaError`
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::errors::{DetachedStateError, JasonError, MediaError};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: can only #[wasm_bindgen] public functions
[INFO] [stderr]   --> src/lib.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | / fn get_media_manager(detached:bool) -> Result<MediaManager, DetachedStateError> {
[INFO] [stderr] 12 | |     if detached {
[INFO] [stderr] 13 | |         Err(DetachedStateError::new("DetachedStateError when accessing media_manager"))
[INFO] [stderr] 14 | |     } else {
[INFO] [stderr] 15 | |         Ok(MediaManager{})
[INFO] [stderr] 16 | |     }
[INFO] [stderr] 17 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracedemo`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused imports: `MediaStreamConstraints`, `MediaStream`
[INFO] [stderr]  --> src/lib.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use web_sys::{MediaStreamConstraints, MediaStream};
[INFO] [stderr]   |               ^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `DetachedStateError`, `JasonError`, `MediaError`
[INFO] [stderr]  --> src/lib.rs:3:21
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::errors::{DetachedStateError, JasonError, MediaError};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tracedemo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fbff43596752d7555932e0ecc0fa3c8302afdb8fa129ed3ede6c9ee2ea189c49"`
[INFO] running `"docker" "rm" "-f" "fbff43596752d7555932e0ecc0fa3c8302afdb8fa129ed3ede6c9ee2ea189c49"`
[INFO] [stdout] fbff43596752d7555932e0ecc0fa3c8302afdb8fa129ed3ede6c9ee2ea189c49