[INFO] fetching crate lavalink-rs 0.7.0...
[INFO] checking lavalink-rs-0.7.0 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate lavalink-rs 0.7.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lavalink-rs 0.7.0 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lavalink-rs 0.7.0
[INFO] finished tweaking crates.io crate lavalink-rs 0.7.0
[INFO] tweaked toml for crates.io crate lavalink-rs 0.7.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f283a841368f2ce5c41a9416754299a9d5b226658300bcbf6f611f4f9051ca28
[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" "f283a841368f2ce5c41a9416754299a9d5b226658300bcbf6f611f4f9051ca28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f283a841368f2ce5c41a9416754299a9d5b226658300bcbf6f611f4f9051ca28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f283a841368f2ce5c41a9416754299a9d5b226658300bcbf6f611f4f9051ca28", kill_on_drop: false }`
[INFO] [stdout] f283a841368f2ce5c41a9416754299a9d5b226658300bcbf6f611f4f9051ca28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9006356c734a20ccd49d1398c765dfc735accff33cf32b8c05b510c4c24c7acc
[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" "9006356c734a20ccd49d1398c765dfc735accff33cf32b8c05b510c4c24c7acc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking futures-sink v0.3.13
[INFO] [stderr]     Checking futures-core v0.3.13
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]     Checking futures-task v0.3.13
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking httpdate v0.3.2
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]    Compiling async-trait v0.1.48
[INFO] [stderr]    Compiling serenity v0.10.4
[INFO] [stderr]     Checking ipnet v2.3.0
[INFO] [stderr]     Checking typemap_rev v0.1.4
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]    Compiling songbird v0.1.4
[INFO] [stderr]    Compiling lavalink-rs v0.7.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-channel v0.3.13
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stdout] error: Please specify a feature, either `rustls` or `native`
[INFO] [stdout]  --> build.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | compile_error!("Please specify a feature, either `rustls` or `native`");
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking http v0.2.3
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lavalink-rs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "9006356c734a20ccd49d1398c765dfc735accff33cf32b8c05b510c4c24c7acc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9006356c734a20ccd49d1398c765dfc735accff33cf32b8c05b510c4c24c7acc", kill_on_drop: false }`
[INFO] [stdout] 9006356c734a20ccd49d1398c765dfc735accff33cf32b8c05b510c4c24c7acc