[INFO] cloning repository https://github.com/Velfi/noracle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Velfi/noracle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelfi%2Fnoracle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelfi%2Fnoracle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52305a8400cad69fde1ce66e6bf619f9287bb1d8
[INFO] documenting Velfi/noracle against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVelfi%2Fnoracle" "/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/Velfi/noracle on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Velfi/noracle
[INFO] finished tweaking git repo https://github.com/Velfi/noracle
[INFO] tweaked toml for git repo https://github.com/Velfi/noracle written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/Velfi/noracle already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de7384dd62ee2aaffe257667d47d121e3491235d813ac3fb24ea2e647a836b1f
[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" "de7384dd62ee2aaffe257667d47d121e3491235d813ac3fb24ea2e647a836b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de7384dd62ee2aaffe257667d47d121e3491235d813ac3fb24ea2e647a836b1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de7384dd62ee2aaffe257667d47d121e3491235d813ac3fb24ea2e647a836b1f", kill_on_drop: false }`
[INFO] [stdout] de7384dd62ee2aaffe257667d47d121e3491235d813ac3fb24ea2e647a836b1f
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 60d41ab4ce5126125fba1759713378f05026af708b95a44415eae177952fe872
[INFO] running `Command { std: "docker" "start" "-a" "60d41ab4ce5126125fba1759713378f05026af708b95a44415eae177952fe872", kill_on_drop: false }`
[INFO] [stderr]     Checking futures v0.1.23
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling regex v1.0.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking termcolor v1.0.1
[INFO] [stderr]     Checking json v0.11.13
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]    Compiling actix-web v0.7.8
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling libsqlite3-sys v0.9.1
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking bytes v0.4.9
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking r2d2 v0.8.2
[INFO] [stderr]     Checking aho-corasick v0.6.6
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling syn v0.14.7
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking backtrace v0.2.3
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]    Compiling diesel_derives v1.3.0
[INFO] [stderr]     Checking chrono v0.4.5
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking flate2 v1.0.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking serde_urlencoded v0.5.3
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-signal v0.2.5
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking env_logger v0.5.12
[INFO] [stderr]     Checking diesel v1.3.2
[INFO] [stderr]     Checking trust-dns-resolver v0.9.1
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling actix_derive v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.71
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking actix v0.7.4
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]  Documenting noracle-rocket v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(nll)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `noracle-rocket`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name noracle_rocket src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern actix=/opt/rustwide/target/debug/deps/libactix-c989b8af3e52c280.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-0705833b31a31b2d.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-eaa9e19a730a8e1a.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-80bc8cfe721cd487.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-52667b6f0d85492d.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-907f258a5e9d9020.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-00b980e9a1a3149c.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-18c301bdfa4a9483.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-7ba7a8f88cf1a82c.rmeta --extern json=/opt/rustwide/target/debug/deps/libjson-0d422f996f0a5143.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-4d817bccc11cade9.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-1e8fb47357471dbc.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-5c493d34262ea0be.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "60d41ab4ce5126125fba1759713378f05026af708b95a44415eae177952fe872", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60d41ab4ce5126125fba1759713378f05026af708b95a44415eae177952fe872", kill_on_drop: false }`
[INFO] [stdout] 60d41ab4ce5126125fba1759713378f05026af708b95a44415eae177952fe872