[INFO] fetching crate zenoh-router 0.5.0-beta.3...
[INFO] documenting zenoh-router-0.5.0-beta.3 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate zenoh-router 0.5.0-beta.3 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate zenoh-router 0.5.0-beta.3 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zenoh-router 0.5.0-beta.3
[INFO] finished tweaking crates.io crate zenoh-router 0.5.0-beta.3
[INFO] tweaked toml for crates.io crate zenoh-router 0.5.0-beta.3 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate zenoh-router 0.5.0-beta.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08c33cda5343c5f6398d4759b366a725fc28b5f3e878f2a968744154ca3733df
[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" "08c33cda5343c5f6398d4759b366a725fc28b5f3e878f2a968744154ca3733df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08c33cda5343c5f6398d4759b366a725fc28b5f3e878f2a968744154ca3733df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08c33cda5343c5f6398d4759b366a725fc28b5f3e878f2a968744154ca3733df", kill_on_drop: false }`
[INFO] [stdout] 08c33cda5343c5f6398d4759b366a725fc28b5f3e878f2a968744154ca3733df
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8032d8e630b7b8bec770829047fc7aca5d4525322c61939b4ba5229d57177ad1
[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" "8032d8e630b7b8bec770829047fc7aca5d4525322c61939b4ba5229d57177ad1", kill_on_drop: false }`
[INFO] [stderr]     Checking pnet_base v0.26.0
[INFO] [stderr]    Compiling pnet v0.26.0
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling http-types v2.5.0
[INFO] [stderr]     Checking infer v0.2.3
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]    Compiling standback v0.2.10
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]     Checking form_urlencoded v1.0.0
[INFO] [stderr]     Checking async-channel v1.5.0
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]     Checking futures-lite v1.10.1
[INFO] [stderr]     Checking polling v2.0.0
[INFO] [stderr]     Checking pnet_sys v0.26.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking aes-soft v0.4.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.21
[INFO] [stderr]     Checking ipnetwork v0.16.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking pnet_macros_support v0.26.0
[INFO] [stderr]     Checking aes v0.4.0
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]     Checking aes-gcm v0.6.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking pnet_datalink v0.26.0
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]     Checking async-io v1.1.9
[INFO] [stderr]     Checking async-executor v1.3.0
[INFO] [stderr]     Checking blocking v1.0.1
[INFO] [stderr]     Checking async-global-executor v1.3.0
[INFO] [stderr]     Checking async-std v1.6.4
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking time v0.2.22
[INFO] [stderr]     Checking thiserror v1.0.21
[INFO] [stderr]     Checking serde_qs v0.7.0
[INFO] [stderr]     Checking cookie v0.14.2
[INFO] [stderr]     Checking futures-executor v0.3.6
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking uhlc v0.2.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.26.0
[INFO] [stderr]    Compiling pnet_packet v0.26.0
[INFO] [stderr]     Checking pnet_transport v0.26.0
[INFO] [stderr]     Checking zenoh-util v0.5.0-beta.3
[INFO] [stderr]     Checking zenoh-protocol v0.5.0-beta.3
[INFO] [stderr]     Checking zenoh-router v0.5.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting zenoh-router v0.5.0-beta.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(async_closure)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #![feature(get_mut_unchecked)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(async_closure)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `zenoh-router`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name zenoh_router src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern async_std=/opt/rustwide/target/debug/deps/libasync_std-147c2e9ddf96625c.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-d7ed4cf750546ea6.so --extern clap=/opt/rustwide/target/debug/deps/libclap-8d4d90e089a03b6c.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-b43f7c1751a65e89.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-66778f4ab55af586.rmeta --extern hex=/opt/rustwide/target/debug/deps/libhex-9b9149e9f18db67f.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-72923b2d9aa06af7.rmeta --extern libloading=/opt/rustwide/target/debug/deps/liblibloading-b0e45aab04f27a1a.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-d1bc27e390c9f551.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c85954dc41156076.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-28ee045293857618.rmeta --extern socket2=/opt/rustwide/target/debug/deps/libsocket2-302782c5d228f1b8.rmeta --extern uhlc=/opt/rustwide/target/debug/deps/libuhlc-f16eb08cb6d5610d.rmeta --extern uuid=/opt/rustwide/target/debug/deps/libuuid-dd1a5ac6c5f4249d.rmeta --extern zenoh_protocol=/opt/rustwide/target/debug/deps/libzenoh_protocol-c69a2a67628961d7.rmeta --extern zenoh_util=/opt/rustwide/target/debug/deps/libzenoh_util-2b05cabc0d6ae1ee.rmeta --cap-lints=warn --crate-version 0.5.0-beta.3` (exit code: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "8032d8e630b7b8bec770829047fc7aca5d4525322c61939b4ba5229d57177ad1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8032d8e630b7b8bec770829047fc7aca5d4525322c61939b4ba5229d57177ad1", kill_on_drop: false }`
[INFO] [stdout] 8032d8e630b7b8bec770829047fc7aca5d4525322c61939b4ba5229d57177ad1
