[INFO] updating cached repository https://github.com/fplust/bilibili-live-danmu
[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] 27bb1c65560a27440339a0effd4620e4deb4e6d6
[INFO] checking fplust/bilibili-live-danmu against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffplust%2Fbilibili-live-danmu" "/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/fplust/bilibili-live-danmu on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fplust/bilibili-live-danmu
[INFO] removed 0 missing examples
[INFO] removed path dependency browsercookie-rs from git repo https://github.com/fplust/bilibili-live-danmu
[INFO] finished tweaking git repo https://github.com/fplust/bilibili-live-danmu
[INFO] tweaked toml for git repo https://github.com/fplust/bilibili-live-danmu written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: dependency (browsercookie-rs) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] 81d68ca58c7d515232f807d9336b7c15c3a093f57235024c910ad96f9a398a34
[INFO] running `"docker" "start" "-a" "81d68ca58c7d515232f807d9336b7c15c3a093f57235024c910ad96f9a398a34"`
[INFO] [stderr] warning: dependency (browsercookie-rs) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling lz4-sys v1.8.3
[INFO] [stderr]     Checking typenum v1.11.2
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking tokio v0.2.10
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking rustyline v5.0.6
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.7
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.7
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking async-tungstenite v0.3.1
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking bincode v1.2.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]     Checking bilibili-live-danmu v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 self._heart_beat.take().unwrap().await;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]    Compiling lz4 v1.23.1
[INFO] [stderr]     Checking browsercookie-rs v0.1.1
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/lib.rs:229:17
[INFO] [stderr]     |
[INFO] [stderr] 229 |                 self._heart_beat.take().unwrap().await;
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 15s
[INFO] running `"docker" "inspect" "81d68ca58c7d515232f807d9336b7c15c3a093f57235024c910ad96f9a398a34"`
[INFO] running `"docker" "rm" "-f" "81d68ca58c7d515232f807d9336b7c15c3a093f57235024c910ad96f9a398a34"`
[INFO] [stdout] 81d68ca58c7d515232f807d9336b7c15c3a093f57235024c910ad96f9a398a34