[INFO] cloning repository https://github.com/cswinter/azure-blob-service-principal-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cswinter/azure-blob-service-principal-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcswinter%2Fazure-blob-service-principal-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcswinter%2Fazure-blob-service-principal-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6bb7356811897b4b51094c060f5ab3a2b2f2c3a0
[INFO] documenting cswinter/azure-blob-service-principal-test 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%2Fcswinter%2Fazure-blob-service-principal-test" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cswinter/azure-blob-service-principal-test 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/cswinter/azure-blob-service-principal-test
[INFO] finished tweaking git repo https://github.com/cswinter/azure-blob-service-principal-test
[INFO] tweaked toml for git repo https://github.com/cswinter/azure-blob-service-principal-test written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/cswinter/azure-blob-service-principal-test 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 77beb31ff01033da7003a1950d9c8bf7d3d41266ee172504af3eb53827f290d6
[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" "77beb31ff01033da7003a1950d9c8bf7d3d41266ee172504af3eb53827f290d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77beb31ff01033da7003a1950d9c8bf7d3d41266ee172504af3eb53827f290d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77beb31ff01033da7003a1950d9c8bf7d3d41266ee172504af3eb53827f290d6", kill_on_drop: false }`
[INFO] [stdout] 77beb31ff01033da7003a1950d9c8bf7d3d41266ee172504af3eb53827f290d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] f1cb61321794af89aefb93e286a22636ee7bb7640350613feac4fdb9b43af91d
[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" "f1cb61321794af89aefb93e286a22636ee7bb7640350613feac4fdb9b43af91d", 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] [stderr]     Checking RustyXML v0.3.0
[INFO] [stderr]     Checking str-buf v1.0.1
[INFO] [stderr]    Compiling eyre v0.5.0
[INFO] [stderr]    Compiling async-timer v1.0.0-beta.4
[INFO] [stderr]     Checking indenter v0.3.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking tracing-subscriber v0.2.6
[INFO] [stderr]     Checking backtrace v0.3.49
[INFO] [stderr]    Compiling tracing-attributes v0.1.8
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking serde-xml-rs v0.4.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking error-code v2.0.0
[INFO] [stderr]     Checking os-sync v0.3.2
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking color-backtrace v0.4.2
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking time v0.2.16
[INFO] [stderr]     Checking tracing v0.1.15
[INFO] [stderr]     Checking tracing-error v0.1.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking color-spantrace v0.1.3
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking color-eyre v0.4.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.13.1
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.6
[INFO] [stderr]     Checking azure_sdk_core v0.43.4
[INFO] [stderr]     Checking oauth2 v3.0.0
[INFO] [stderr]     Checking azure_sdk_storage_core v0.44.1
[INFO] [stderr]     Checking azure_sdk_storage_blob v0.44.2
[INFO] [stderr]     Checking azure_sdk_auth_aad v0.46.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/azure_sdk_auth_aad-0.46.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_closure)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[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 `azure_sdk_auth_aad`.
[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" "f1cb61321794af89aefb93e286a22636ee7bb7640350613feac4fdb9b43af91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1cb61321794af89aefb93e286a22636ee7bb7640350613feac4fdb9b43af91d", kill_on_drop: false }`
[INFO] [stdout] f1cb61321794af89aefb93e286a22636ee7bb7640350613feac4fdb9b43af91d