[INFO] fetching crate trust-dns 0.21.0-alpha.4...
[INFO] checking trust-dns-0.21.0-alpha.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate trust-dns 0.21.0-alpha.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate trust-dns 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 0.21.0-alpha.4
[INFO] finished tweaking crates.io crate trust-dns 0.21.0-alpha.4
[INFO] tweaked toml for crates.io crate trust-dns 0.21.0-alpha.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate trust-dns 0.21.0-alpha.4 already has a lockfile, it will not be regenerated
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c15541dc23827532f94f7ee062221571d663604b7b7e8135ea7e20807d6d4f76
[INFO] running `Command { std: "docker" "start" "-a" "c15541dc23827532f94f7ee062221571d663604b7b7e8135ea7e20807d6d4f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c15541dc23827532f94f7ee062221571d663604b7b7e8135ea7e20807d6d4f76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c15541dc23827532f94f7ee062221571d663604b7b7e8135ea7e20807d6d4f76", kill_on_drop: false }`
[INFO] [stdout] c15541dc23827532f94f7ee062221571d663604b7b7e8135ea7e20807d6d4f76
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e913b8a0fcddf0e1551297869380504760d25ef8bc95bcc9ef5ba842d84e54a0
[INFO] running `Command { std: "docker" "start" "-a" "e913b8a0fcddf0e1551297869380504760d25ef8bc95bcc9ef5ba842d84e54a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling vcpkg v0.2.15
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]    Compiling ahash v0.7.5
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling libsqlite3-sys v0.23.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking hashlink v0.7.0
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking webpki-roots v0.21.1
[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
[INFO] [stderr]     Checking trust-dns-resolver v0.21.0-alpha.4
[INFO] [stderr]     Checking rusqlite v0.26.0
[INFO] [stderr]     Checking trust-dns-server v0.21.0-alpha.4
[INFO] [stderr]     Checking trust-dns 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/comparison_benches.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e913b8a0fcddf0e1551297869380504760d25ef8bc95bcc9ef5ba842d84e54a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e913b8a0fcddf0e1551297869380504760d25ef8bc95bcc9ef5ba842d84e54a0", kill_on_drop: false }`
[INFO] [stdout] e913b8a0fcddf0e1551297869380504760d25ef8bc95bcc9ef5ba842d84e54a0
