[INFO] fetching crate encrypted-dns 0.3.7...
[INFO] checking encrypted-dns-0.3.7 against try#8810c24b0958114d8dbb32d878444e8956fce80f for pr-66063
[INFO] extracting crate encrypted-dns 0.3.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate encrypted-dns 0.3.7 on toolchain 8810c24b0958114d8dbb32d878444e8956fce80f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate encrypted-dns 0.3.7
[INFO] finished tweaking crates.io crate encrypted-dns 0.3.7
[INFO] tweaked toml for crates.io crate encrypted-dns 0.3.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate encrypted-dns 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8810c24b0958114d8dbb32d878444e8956fce80f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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=allow" "-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" "+8810c24b0958114d8dbb32d878444e8956fce80f" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3d57bf121a728cf4b55e387101b0c8775b695f0090b276270e87294761169c91
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "3d57bf121a728cf4b55e387101b0c8775b695f0090b276270e87294761169c91"`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling take_mut v0.2.2
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling prometheus v0.7.0
[INFO] [stderr]     Checking tower-service v0.3.0-alpha.2
[INFO] [stderr]     Checking unsafe_unwrap v0.1.0
[INFO] [stderr]     Checking siphasher v0.3.1
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling procinfo v0.3.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking getrandom v0.1.12
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking coarsetime v0.1.11
[INFO] [stderr]     Checking daemonize-simple v0.1.2
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]     Checking clockpro-cache v0.1.8
[INFO] [stderr]     Checking toml v0.5.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking dnsstamps v0.1.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking privdrop v0.3.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling minisign-verify v0.1.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling filetime v0.2.7
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]    Compiling libsodium-sys-stable v1.18.1
[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.4
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking tracing v0.1.9
[INFO] [stderr]     Checking pin-project v0.4.4
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Checking encrypted-dns v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(ip)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:5:1
[INFO] [stderr]   |
[INFO] [stderr] 5 | #![feature(ip)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `encrypted-dns`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `encrypted-dns`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "3d57bf121a728cf4b55e387101b0c8775b695f0090b276270e87294761169c91"`
[INFO] running `"docker" "rm" "-f" "3d57bf121a728cf4b55e387101b0c8775b695f0090b276270e87294761169c91"`
[INFO] [stdout] 3d57bf121a728cf4b55e387101b0c8775b695f0090b276270e87294761169c91