[INFO] updating cached repository https://github.com/887/httpsdns
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ba640f1d25afa31e4c92dc15e478a5608c372d16
[INFO] checking 887/httpsdns against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F887%2Fhttpsdns" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/887/httpsdns on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/887/httpsdns
[INFO] finished tweaking git repo https://github.com/887/httpsdns
[INFO] tweaked toml for git repo https://github.com/887/httpsdns written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/887/httpsdns already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b1afe96608eb50381dde899de786dc59f80a4b1e1fb885f343d2e716b98b9217
[INFO] running `"docker" "start" "-a" "b1afe96608eb50381dde899de786dc59f80a4b1e1fb885f343d2e716b98b9217"`
[INFO] [stderr]     Checking libc v0.2.17
[INFO] [stderr]    Compiling rustc-serialize v0.3.21
[INFO] [stderr]    Compiling pkg-config v0.3.8
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]    Compiling quote v0.3.5
[INFO] [stderr]     Checking num-traits v0.1.36
[INFO] [stderr]    Compiling openssl v0.8.3
[INFO] [stderr]     Checking lazycell v0.4.0
[INFO] [stderr]     Checking lazy_static v0.2.2
[INFO] [stderr]    Compiling gcc v0.3.38
[INFO] [stderr]     Checking scoped-tls v0.1.0
[INFO] [stderr]     Checking serde v0.8.17
[INFO] [stderr]     Checking crossbeam v0.2.10
[INFO] [stderr]     Checking quick-error v1.1.0
[INFO] [stderr]     Checking futures v0.1.3
[INFO] [stderr]    Compiling syn v0.9.2
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking net2 v0.2.26
[INFO] [stderr]     Checking num_cpus v1.1.0
[INFO] [stderr]     Checking num-integer v0.1.32
[INFO] [stderr]     Checking dns-parser v0.3.1 (https://github.com/david-cao/dns-parser#89797a92)
[INFO] [stderr]    Compiling openssl-sys v0.7.17
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking num-iter v0.1.32
[INFO] [stderr]     Checking futures-cpupool v0.1.2
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]     Checking num v0.1.36
[INFO] [stderr]    Compiling http-muncher v0.3.0
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]    Compiling serde_codegen_internals v0.10.0
[INFO] [stderr]    Compiling post-expansion v0.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling syntex_pos v0.48.0
[INFO] [stderr]     Checking toml v0.2.1
[INFO] [stderr]     Checking serde_json v0.8.3
[INFO] [stderr]     Checking mio v0.6.1
[INFO] [stderr]     Checking openssl-verify v0.2.0
[INFO] [stderr]    Compiling syntex_errors v0.48.0
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking tokio-core v0.1.0
[INFO] [stderr]    Compiling syntex_syntax v0.48.0
[INFO] [stderr]     Checking tokio-tls v0.1.0 (https://github.com/tokio-rs/tokio-tls#3d49e52e)
[INFO] [stderr]    Compiling syntex v0.48.0
[INFO] [stderr]    Compiling serde_codegen v0.8.17
[INFO] [stderr]    Compiling httpsdns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> tests/test.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(test)]
[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 `httpsdns`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "b1afe96608eb50381dde899de786dc59f80a4b1e1fb885f343d2e716b98b9217"`
[INFO] running `"docker" "rm" "-f" "b1afe96608eb50381dde899de786dc59f80a4b1e1fb885f343d2e716b98b9217"`
[INFO] [stdout] b1afe96608eb50381dde899de786dc59f80a4b1e1fb885f343d2e716b98b9217