[INFO] cloning repository https://github.com/fede1024/kafka-view
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fede1024/kafka-view" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffede1024%2Fkafka-view", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffede1024%2Fkafka-view'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dfb045117ed5f0f571ccb7e8e7f99f1950ffc95
[INFO] documenting fede1024/kafka-view against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffede1024%2Fkafka-view" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fede1024/kafka-view on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fede1024/kafka-view
[INFO] finished tweaking git repo https://github.com/fede1024/kafka-view
[INFO] tweaked toml for git repo https://github.com/fede1024/kafka-view written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/fede1024/kafka-view already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded filetime v0.2.4
[INFO] [stderr]   Downloaded notify v4.0.10
[INFO] [stderr]   Downloaded maud v0.20.0
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.0
[INFO] [stderr]   Downloaded scheduled-executor v0.4.0
[INFO] [stderr]   Downloaded alloc-no-stdlib v2.0.1
[INFO] [stderr]   Downloaded rdkafka-sys v0.11.1-0
[INFO] [stderr]   Downloaded literalext v0.1.1
[INFO] [stderr]   Downloaded brotli v3.3.0
[INFO] [stderr]   Downloaded serde-transcode v1.1.0
[INFO] [stderr]   Downloaded lz4-sys v1.8.3
[INFO] [stderr]   Downloaded rocket_http v0.4.0
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded rocket v0.4.0
[INFO] [stderr]   Downloaded rocket_codegen v0.4.0
[INFO] [stderr]   Downloaded maud_macros v0.20.0
[INFO] [stderr]   Downloaded rocket_contrib v0.4.0
[INFO] [stderr]   Downloaded alloc-stdlib v0.2.1
[INFO] [stderr]   Downloaded maud_htmlescape v0.17.0
[INFO] [stderr]   Downloaded zookeeper_derive v0.4.0
[INFO] [stderr]   Downloaded rdkafka v0.13.0
[INFO] [stderr]   Downloaded zookeeper v0.5.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45514b768d9009c91cfc544eae38542e87bd7fd7c633f7819bee58a550afab95
[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" "45514b768d9009c91cfc544eae38542e87bd7fd7c633f7819bee58a550afab95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45514b768d9009c91cfc544eae38542e87bd7fd7c633f7819bee58a550afab95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45514b768d9009c91cfc544eae38542e87bd7fd7c633f7819bee58a550afab95", kill_on_drop: false }`
[INFO] [stdout] 45514b768d9009c91cfc544eae38542e87bd7fd7c633f7819bee58a550afab95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42da736e852c7814b23a285d784edf473f5749255bb4d81d5854ae85a8fbea68
[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" "42da736e852c7814b23a285d784edf473f5749255bb4d81d5854ae85a8fbea68", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]     Checking futures v0.1.26
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling yansi v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling typeable v0.1.2
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling state v0.4.1
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]    Compiling maud_htmlescape v0.17.0
[INFO] [stderr]    Compiling literalext v0.1.1
[INFO] [stderr]     Checking rustc-demangle v0.1.13
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/literalext-0.1.1/src/lib.rs:19:37
[INFO] [stdout]    |
[INFO] [stdout] 19 | #![cfg_attr(feature = "proc-macro", feature(proc_macro))]
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking dtoa v0.4.3
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling kafka-view v0.3.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking snowflake v1.3.0
[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 `literalext`.
[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" "42da736e852c7814b23a285d784edf473f5749255bb4d81d5854ae85a8fbea68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42da736e852c7814b23a285d784edf473f5749255bb4d81d5854ae85a8fbea68", kill_on_drop: false }`
[INFO] [stdout] 42da736e852c7814b23a285d784edf473f5749255bb4d81d5854ae85a8fbea68