[INFO] cloning repository https://github.com/shekohex/tweetide
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shekohex/tweetide" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Ftweetide", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshekohex%2Ftweetide'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6249d28e1552d5ded11b16d6baabb49c5ca54c55
[INFO] documenting shekohex/tweetide 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%2Fshekohex%2Ftweetide" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shekohex/tweetide 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/shekohex/tweetide
[INFO] finished tweaking git repo https://github.com/shekohex/tweetide
[INFO] tweaked toml for git repo https://github.com/shekohex/tweetide written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/shekohex/tweetide 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]  Downloading crates ...
[INFO] [stderr]   Downloaded http-service v0.2.0
[INFO] [stderr]   Downloaded http-service-hyper v0.2.0
[INFO] [stderr]   Downloaded slog v2.5.0
[INFO] [stderr]   Downloaded buf_redux v0.8.2
[INFO] [stderr]   Downloaded tide v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 2930472a3bbe1a4e6d6a9b2e57c9672b013ff4689e1968b33b7a423550ac8f46
[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" "2930472a3bbe1a4e6d6a9b2e57c9672b013ff4689e1968b33b7a423550ac8f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2930472a3bbe1a4e6d6a9b2e57c9672b013ff4689e1968b33b7a423550ac8f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2930472a3bbe1a4e6d6a9b2e57c9672b013ff4689e1968b33b7a423550ac8f46", kill_on_drop: false }`
[INFO] [stdout] 2930472a3bbe1a4e6d6a9b2e57c9672b013ff4689e1968b33b7a423550ac8f46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 071fccbdbb4415361927f9db9752f59e5d81f1d6cbb869e8efeef9f84f3200ec
[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" "071fccbdbb4415361927f9db9752f59e5d81f1d6cbb869e8efeef9f84f3200ec", kill_on_drop: false }`
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]     Checking futures v0.1.28
[INFO] [stderr]    Compiling log v0.4.7
[INFO] [stderr]    Compiling syn v0.15.40
[INFO] [stderr]    Compiling serde v1.0.97
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling slog v2.5.0
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking opaque-debug v0.2.2
[INFO] [stderr]     Checking route-recognizer v0.1.12
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking regex-syntax v0.6.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling libsqlite3-sys v0.12.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling parking_lot_core v0.6.1
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking aho-corasick v0.7.4
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[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking cookie v0.11.1
[INFO] [stderr]     Checking block-cipher-trait v0.6.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking slog-async v2.3.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.17
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking backtrace v0.3.33
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking bcrypt v0.5.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking h2 v0.1.25
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking http-service v0.2.0
[INFO] [stdout] error: incorrect use of `await`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-service-0.2.0/src/lib.rs:102:33
[INFO] [stdout]     |
[INFO] [stdout] 102 |         while let Some(chunk) = await!(self.next()) {
[INFO] [stdout]     |                                 ^^^^^^^^^^^^^^^^^^^ help: `await` is a postfix operation: `self.next().await`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/http-service-0.2.0/src/lib.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 | #![feature(async_await, await_macro, arbitrary_self_types)]
[INFO] [stdout]    |                         ^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `.await` syntax
[INFO] [stdout] 
[INFO] [stdout] 
[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/http-service-0.2.0/src/lib.rs:60:1
[INFO] [stdout]    |
[INFO] [stdout] 60 | #![feature(async_await, await_macro, arbitrary_self_types)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `http-service`.
[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" "071fccbdbb4415361927f9db9752f59e5d81f1d6cbb869e8efeef9f84f3200ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "071fccbdbb4415361927f9db9752f59e5d81f1d6cbb869e8efeef9f84f3200ec", kill_on_drop: false }`
[INFO] [stdout] 071fccbdbb4415361927f9db9752f59e5d81f1d6cbb869e8efeef9f84f3200ec