[INFO] cloning repository https://github.com/myuon/rustapp-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/myuon/rustapp-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Frustapp-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Frustapp-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 924184f767a47b0a7b16c1a76af7963ef5c898b9
[INFO] documenting myuon/rustapp-example against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmyuon%2Frustapp-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/myuon/rustapp-example on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/myuon/rustapp-example
[INFO] finished tweaking git repo https://github.com/myuon/rustapp-example
[INFO] tweaked toml for git repo https://github.com/myuon/rustapp-example written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/myuon/rustapp-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded derive_more v0.15.0
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[INFO] [stderr]   Downloaded dotenv v0.14.1
[INFO] [stderr]   Downloaded actix-testing v0.1.0
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[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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3b3cd193c12846c554596148973632707c63557c21d52c375c8c8b585fb1887
[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" "a3b3cd193c12846c554596148973632707c63557c21d52c375c8c8b585fb1887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3b3cd193c12846c554596148973632707c63557c21d52c375c8c8b585fb1887", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3b3cd193c12846c554596148973632707c63557c21d52c375c8c8b585fb1887", kill_on_drop: false }`
[INFO] [stdout] a3b3cd193c12846c554596148973632707c63557c21d52c375c8c8b585fb1887
[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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03885841a91f89d7e93b962b4655ceb13ee4c71640fe4e46fb01b8a77f3cd523
[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" "03885841a91f89d7e93b962b4655ceb13ee4c71640fe4e46fb01b8a77f3cd523", 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]    Compiling libc v0.2.62
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[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking futures01 v0.1.29
[INFO] [stderr]    Compiling mysqlclient-sys v0.2.4
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking blowfish v0.4.0
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling diesel_derives v1.4.0
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling derive_more v0.14.1
[INFO] [stderr]    Compiling actix_derive v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.0
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[INFO] [stderr]    Compiling synstructure v0.12.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling async-trait v0.1.13
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking failure v0.1.6
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[INFO] [stderr]     Checking dotenv v0.14.1
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
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[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking bigdecimal v0.1.0
[INFO] [stderr]     Checking rust_decimal v1.0.3
[INFO] [stderr]     Checking actix-router v0.1.5
[INFO] [stderr]     Checking actix-http v0.2.10
[INFO] [stderr]     Checking mysql_common v0.18.0
[INFO] [stderr]     Checking biscuit v0.3.1
[INFO] [stderr]     Checking awc v0.2.7
[INFO] [stderr]     Checking actix v0.8.3
[INFO] [stderr]     Checking r2d2_mysql v16.0.0
[INFO] [stderr]     Checking actix-web v1.0.8
[INFO] [stderr]  Documenting rustapp-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![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 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 `rustapp-example`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name rustapp_example 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-62f68e799bc2aaea.rmeta --extern actix_http=/opt/rustwide/target/debug/deps/libactix_http-2197dc750a9561aa.rmeta --extern actix_service=/opt/rustwide/target/debug/deps/libactix_service-dc7abc7ad6b9db54.rmeta --extern actix_web=/opt/rustwide/target/debug/deps/libactix_web-6906b2b0c9f2a536.rmeta --extern async_trait=/opt/rustwide/target/debug/deps/libasync_trait-2a2bf32d8dd61d07.so --extern bcrypt=/opt/rustwide/target/debug/deps/libbcrypt-4ea30557f0360312.rmeta --extern biscuit=/opt/rustwide/target/debug/deps/libbiscuit-3598f1ef9d35662a.rmeta --extern diesel=/opt/rustwide/target/debug/deps/libdiesel-7d2dfef85f40c913.rmeta --extern dotenv=/opt/rustwide/target/debug/deps/libdotenv-d18456d051450099.rmeta --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-00c13ab2b8aab5eb.rmeta --extern failure=/opt/rustwide/target/debug/deps/libfailure-7edd53b4a5493de0.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-d19507da5bbe4212.rmeta --extern futures01=/opt/rustwide/target/debug/deps/libfutures01-1b00e39d692a7549.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-69d9a7f018cb28c7.rmeta --extern mysql=/opt/rustwide/target/debug/deps/libmysql-98357a01caf128ad.rmeta --extern r2d2=/opt/rustwide/target/debug/deps/libr2d2-c1efa6a600417b3f.rmeta --extern r2d2_mysql=/opt/rustwide/target/debug/deps/libr2d2_mysql-505e566be7be5491.rmeta --extern ring=/opt/rustwide/target/debug/deps/libring-eb76c11c481f9fe3.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-637b4e4718ab8650.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-faf6f23971bf7a3e.rmeta --extern ulid=/opt/rustwide/target/debug/deps/libulid-0d3a33ffe4bcd9b0.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "03885841a91f89d7e93b962b4655ceb13ee4c71640fe4e46fb01b8a77f3cd523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03885841a91f89d7e93b962b4655ceb13ee4c71640fe4e46fb01b8a77f3cd523", kill_on_drop: false }`
[INFO] [stdout] 03885841a91f89d7e93b962b4655ceb13ee4c71640fe4e46fb01b8a77f3cd523
