[INFO] fetching crate trust-dns-client 0.21.0-alpha.4...
[INFO] checking trust-dns-client-0.21.0-alpha.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate trust-dns-client 0.21.0-alpha.4 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate trust-dns-client 0.21.0-alpha.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trust-dns-client 0.21.0-alpha.4
[INFO] finished tweaking crates.io crate trust-dns-client 0.21.0-alpha.4
[INFO] tweaked toml for crates.io crate trust-dns-client 0.21.0-alpha.4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75e4ac2ee71a4b9756b0d5e0d56dca916e9363503b258c4c7522b366ee1b5726
[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" "75e4ac2ee71a4b9756b0d5e0d56dca916e9363503b258c4c7522b366ee1b5726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75e4ac2ee71a4b9756b0d5e0d56dca916e9363503b258c4c7522b366ee1b5726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75e4ac2ee71a4b9756b0d5e0d56dca916e9363503b258c4c7522b366ee1b5726", kill_on_drop: false }`
[INFO] [stdout] 75e4ac2ee71a4b9756b0d5e0d56dca916e9363503b258c4c7522b366ee1b5726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 27a20178039c1fe6c6034ae3f694377ecbda6ad164784553c97de5eccd1cbd0f
[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" "27a20178039c1fe6c6034ae3f694377ecbda6ad164784553c97de5eccd1cbd0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking trust-dns-proto v0.21.0-alpha.4
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking trust-dns-client v0.21.0-alpha.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/lower_name_benches.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trust-dns-client` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "27a20178039c1fe6c6034ae3f694377ecbda6ad164784553c97de5eccd1cbd0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27a20178039c1fe6c6034ae3f694377ecbda6ad164784553c97de5eccd1cbd0f", kill_on_drop: false }`
[INFO] [stdout] 27a20178039c1fe6c6034ae3f694377ecbda6ad164784553c97de5eccd1cbd0f
