[INFO] cloning repository https://github.com/tureus/aws-ci-buddy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tureus/aws-ci-buddy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftureus%2Faws-ci-buddy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftureus%2Faws-ci-buddy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18394d71df08be1bea70a8d09f444aad2eeb1070
[INFO] documenting tureus/aws-ci-buddy against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftureus%2Faws-ci-buddy" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tureus/aws-ci-buddy on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tureus/aws-ci-buddy
[INFO] finished tweaking git repo https://github.com/tureus/aws-ci-buddy
[INFO] tweaked toml for git repo https://github.com/tureus/aws-ci-buddy written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/tureus/aws-ci-buddy already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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 rusoto_core v0.43.0
[INFO] [stderr]   Downloaded rusoto_signature v0.43.0
[INFO] [stderr]   Downloaded h2 v0.2.3
[INFO] [stderr]   Downloaded serde_json v1.0.46
[INFO] [stderr]   Downloaded standback v0.2.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.14
[INFO] [stderr]   Downloaded rusoto_credential v0.43.0
[INFO] [stderr]   Downloaded async-trait v0.1.26
[INFO] [stderr]   Downloaded hyper v0.13.4
[INFO] [stderr]   Downloaded openssl v0.10.27
[INFO] [stderr]   Downloaded rusoto_s3 v0.43.0
[INFO] [stderr]   Downloaded rusoto_ecr v0.43.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] ca97a092e1a0c20c442fa2c21104d6699651cf4fb78a38e9aa6e47ac8528054c
[INFO] running `Command { std: "docker" "start" "-a" "ca97a092e1a0c20c442fa2c21104d6699651cf4fb78a38e9aa6e47ac8528054c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca97a092e1a0c20c442fa2c21104d6699651cf4fb78a38e9aa6e47ac8528054c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca97a092e1a0c20c442fa2c21104d6699651cf4fb78a38e9aa6e47ac8528054c", kill_on_drop: false }`
[INFO] [stdout] ca97a092e1a0c20c442fa2c21104d6699651cf4fb78a38e9aa6e47ac8528054c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8e39074f2bdefc5cbb3ec60da8f31059f87c327d972a04b2bfd1591ce314842
[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" "a8e39074f2bdefc5cbb3ec60da8f31059f87c327d972a04b2bfd1591ce314842", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling standback v0.2.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling async-trait v0.1.26
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]    Compiling rusoto_core v0.43.0
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking h2 v0.2.3
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking rusoto_credential v0.43.0
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking rusoto_signature v0.43.0
[INFO] [stderr]     Checking rusoto_ecr v0.43.0
[INFO] [stderr]     Checking rusoto_s3 v0.43.0
[INFO] [stderr]  Documenting aws-ci-buddy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(str_strip)]
[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 `aws-ci-buddy`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name aws_ci_buddy 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 base64=/opt/rustwide/target/debug/deps/libbase64-4a89151e30420df8.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-31c1aa2a0d7740ed.rmeta --extern rusoto_core=/opt/rustwide/target/debug/deps/librusoto_core-b58707741f311897.rmeta --extern rusoto_ecr=/opt/rustwide/target/debug/deps/librusoto_ecr-0ef38a08cbcd8091.rmeta --extern rusoto_s3=/opt/rustwide/target/debug/deps/librusoto_s3-61824a3daa497abc.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-9235953c28f85f1c.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-9aed7839536931a3.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-f267553911a7ea6e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "a8e39074f2bdefc5cbb3ec60da8f31059f87c327d972a04b2bfd1591ce314842", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e39074f2bdefc5cbb3ec60da8f31059f87c327d972a04b2bfd1591ce314842", kill_on_drop: false }`
[INFO] [stdout] a8e39074f2bdefc5cbb3ec60da8f31059f87c327d972a04b2bfd1591ce314842
