[INFO] fetching crate couchdb-container 0.2.0...
[INFO] documenting couchdb-container-0.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate couchdb-container 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate couchdb-container 0.2.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate couchdb-container 0.2.0
[INFO] finished tweaking crates.io crate couchdb-container 0.2.0
[INFO] tweaked toml for crates.io crate couchdb-container 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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 v0.2.14
[INFO] [stderr]   Downloaded hyperlocal v0.6.0
[INFO] [stderr]   Downloaded linked_hash_set v0.1.4
[INFO] [stderr]   Downloaded tower-layer v0.3.1
[INFO] [stderr]   Downloaded shiplift v0.7.0
[INFO] [stderr]   Downloaded futures_codec v0.4.1
[INFO] [stderr]   Downloaded hex v0.4.3
[INFO] [stderr]   Downloaded hyperlocal v0.8.0
[INFO] [stderr]   Downloaded hex v0.3.2
[INFO] [stderr]   Downloaded shiplift v0.5.0
[INFO] [stderr]   Downloaded antidote v1.0.0
[INFO] [stderr]   Downloaded tokio-openssl v0.6.2
[INFO] [stderr]   Downloaded hyper-openssl v0.7.1
[INFO] [stderr]   Downloaded tar v0.4.35
[INFO] [stderr]   Downloaded hyper-openssl v0.9.1
[INFO] [stderr]   Downloaded harbourmaster v0.3.1
[INFO] [stderr]   Downloaded hyper v0.12.36
[INFO] [stderr]   Downloaded tokio-openssl v0.3.0
[INFO] [stderr]   Downloaded cargo-readme v3.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71d503270dfa6afb343dafa340d7b2354b8185da75e0be4d624d05f4e74dee45
[INFO] running `Command { std: "docker" "start" "-a" "71d503270dfa6afb343dafa340d7b2354b8185da75e0be4d624d05f4e74dee45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71d503270dfa6afb343dafa340d7b2354b8185da75e0be4d624d05f4e74dee45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71d503270dfa6afb343dafa340d7b2354b8185da75e0be4d624d05f4e74dee45", kill_on_drop: false }`
[INFO] [stdout] 71d503270dfa6afb343dafa340d7b2354b8185da75e0be4d624d05f4e74dee45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b5762ad99317e90bebd20a24de4ee20f96238747d6c0d8f4aab958d1bb79595
[INFO] running `Command { std: "docker" "start" "-a" "9b5762ad99317e90bebd20a24de4ee20f96238747d6c0d8f4aab958d1bb79595", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling tokio-openssl v0.6.2
[INFO] [stderr]    Compiling hyper-openssl v0.9.1
[INFO] [stderr]     Checking tower-layer v0.3.1
[INFO] [stderr]    Compiling hyper-openssl v0.7.1
[INFO] [stderr]     Checking antidote v1.0.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]     Checking linked_hash_set v0.1.4
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-openssl v0.3.0
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tar v0.4.35
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking hyper v0.12.36
[INFO] [stderr]     Checking hyperlocal v0.6.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking futures_codec v0.4.1
[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking hyperlocal v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.66
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking shiplift v0.5.0
[INFO] [stderr]     Checking shiplift v0.7.0
[INFO] [stderr]     Checking harbourmaster v0.3.1
[INFO] [stderr]  Documenting couchdb-container v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[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 `couchdb-container`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name couchdb_container src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern harbourmaster=/opt/rustwide/target/debug/deps/libharbourmaster-44bbc190b068ef0f.rmeta --extern shiplift=/opt/rustwide/target/debug/deps/libshiplift-c9c3ac15549e9ed6.rmeta --cap-lints=warn --crate-version 0.2.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "9b5762ad99317e90bebd20a24de4ee20f96238747d6c0d8f4aab958d1bb79595", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b5762ad99317e90bebd20a24de4ee20f96238747d6c0d8f4aab958d1bb79595", kill_on_drop: false }`
[INFO] [stdout] 9b5762ad99317e90bebd20a24de4ee20f96238747d6c0d8f4aab958d1bb79595
