[INFO] fetching crate lavalink-rs 0.3.0-alpha...
[INFO] checking lavalink-rs-0.3.0-alpha against beta for pr-78714
[INFO] extracting crate lavalink-rs 0.3.0-alpha into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate lavalink-rs 0.3.0-alpha on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lavalink-rs 0.3.0-alpha
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate lavalink-rs 0.3.0-alpha
[INFO] tweaked toml for crates.io crate lavalink-rs 0.3.0-alpha written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate lavalink-rs 0.3.0-alpha already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] f4fa8f7f39f2e450dc3f7a6d11aaaefea2cafe109e748aaa1ea8bdf0882815a0
[INFO] running `Command { std: "docker" "start" "-a" "f4fa8f7f39f2e450dc3f7a6d11aaaefea2cafe109e748aaa1ea8bdf0882815a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4fa8f7f39f2e450dc3f7a6d11aaaefea2cafe109e748aaa1ea8bdf0882815a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fa8f7f39f2e450dc3f7a6d11aaaefea2cafe109e748aaa1ea8bdf0882815a0", kill_on_drop: false }`
[INFO] [stdout] f4fa8f7f39f2e450dc3f7a6d11aaaefea2cafe109e748aaa1ea8bdf0882815a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d84efcdf5520d4cd89cc64d76109166198bde1275bf901f8b49aa4e49925e3d1
[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" "d84efcdf5520d4cd89cc64d76109166198bde1275bf901f8b49aa4e49925e3d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.46
[INFO] [stderr]     Checking once_cell v1.4.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.26
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking subtle v2.3.0
[INFO] [stderr]     Checking zeroize v1.1.1
[INFO] [stderr]    Compiling serenity v0.9.0-rc.4
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking typemap_rev v0.1.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]    Compiling audiopus_sys v0.1.7
[INFO] [stderr]     Checking block-cipher v0.8.0
[INFO] [stderr]     Checking universal-hash v0.4.0
[INFO] [stderr]     Checking aead v0.3.2
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking signal-hook-registry v1.2.1
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking stream-cipher v0.7.1
[INFO] [stderr]     Checking poly1305 v0.6.1
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking salsa20 v0.6.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.5.0
[INFO] [stderr]     Checking audiopus v0.2.0
[INFO] [stderr]     Checking num-integer v0.1.43
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]    Compiling command_attr v0.3.0-rc.4
[INFO] [stderr]    Compiling async-trait v0.1.41
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking tracing v0.1.21
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.26
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.1
[INFO] [stderr]     Checking tokio-native-tls v0.1.0
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking async-tungstenite v0.9.3
[INFO] [stderr]     Checking async-tungstenite v0.4.2
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking serde-aux v0.6.1
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking lavalink-rs v0.3.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "d84efcdf5520d4cd89cc64d76109166198bde1275bf901f8b49aa4e49925e3d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d84efcdf5520d4cd89cc64d76109166198bde1275bf901f8b49aa4e49925e3d1", kill_on_drop: false }`
[INFO] [stdout] d84efcdf5520d4cd89cc64d76109166198bde1275bf901f8b49aa4e49925e3d1