[INFO] cloning repository https://github.com/plistig/blindkopie
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/plistig/blindkopie" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplistig%2Fblindkopie", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplistig%2Fblindkopie'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3e0d1c8505bf7068c6b3df0304650831c28d8074
[INFO] documenting plistig/blindkopie against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplistig%2Fblindkopie" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plistig/blindkopie 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 git repo https://github.com/plistig/blindkopie
[INFO] finished tweaking git repo https://github.com/plistig/blindkopie
[INFO] tweaked toml for git repo https://github.com/plistig/blindkopie written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/plistig/blindkopie already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trust-dns-rustls v0.20.3
[INFO] [stderr]   Downloaded memfd v0.4.0
[INFO] [stderr]   Downloaded tinystr-raw v0.1.1
[INFO] [stderr]   Downloaded tinystr-macros v0.2.0
[INFO] [stderr]   Downloaded hyper-trust-dns-connector v0.3.0
[INFO] [stderr]   Downloaded tinystr v0.4.7
[INFO] [stderr]   Downloaded trust-dns-https v0.20.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 039c0bb3f437d5d0eda85d435fce29e2c3e867fdd97cc764ee7f33814b34e11f
[INFO] running `Command { std: "docker" "start" "-a" "039c0bb3f437d5d0eda85d435fce29e2c3e867fdd97cc764ee7f33814b34e11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "039c0bb3f437d5d0eda85d435fce29e2c3e867fdd97cc764ee7f33814b34e11f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "039c0bb3f437d5d0eda85d435fce29e2c3e867fdd97cc764ee7f33814b34e11f", kill_on_drop: false }`
[INFO] [stdout] 039c0bb3f437d5d0eda85d435fce29e2c3e867fdd97cc764ee7f33814b34e11f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ba1084e19877dd10b8815ec732c1d42043beef54edd2a91508c98ce795f1729f
[INFO] running `Command { std: "docker" "start" "-a" "ba1084e19877dd10b8815ec732c1d42043beef54edd2a91508c98ce795f1729f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling tinystr-raw v0.1.1
[INFO] [stderr]    Compiling tokio v1.8.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking memfd v0.4.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling tinystr-macros v0.2.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking ctrlc v3.1.9
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking common-multipart-rfc7578 v0.3.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking trust-dns-proto v0.20.3
[INFO] [stderr]     Checking tokio-tungstenite v0.14.0
[INFO] [stderr]     Checking async-tungstenite v0.13.1
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking trust-dns-rustls v0.20.3
[INFO] [stderr]     Checking serde-xml-rs v0.4.1
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tinystr v0.4.7
[INFO] [stderr]     Checking serde_qs v0.8.4
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper v0.14.9
[INFO] [stderr]     Checking trust-dns-https v0.20.3
[INFO] [stderr]     Checking trust-dns-resolver v0.20.3
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking hyper-multipart-rfc7578 v0.5.0
[INFO] [stderr]     Checking hyper-trust-dns-connector v0.3.0
[INFO] [stderr]  Documenting blindkopie 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:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(control_flow_enum)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:17:1
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![feature(exit_status_error)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/main.rs:18:1
[INFO] [stdout]    |
[INFO] [stdout] 18 | #![feature(try_trait_v2)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 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 `blindkopie`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name blindkopie 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 anyhow=/opt/rustwide/target/debug/deps/libanyhow-6dd9ac488d04ae29.rmeta --extern async_tungstenite=/opt/rustwide/target/debug/deps/libasync_tungstenite-9b09aea3a181d145.rmeta --extern base64=/opt/rustwide/target/debug/deps/libbase64-0feadca7abf19989.rmeta --extern bytes=/opt/rustwide/target/debug/deps/libbytes-ded23f718088fd94.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-8303d862e042baca.rmeta --extern clap=/opt/rustwide/target/debug/deps/libclap-9fea10f905757371.rmeta --extern common_multipart_rfc7578=/opt/rustwide/target/debug/deps/libcommon_multipart_rfc7578-8a0819a4800fd904.rmeta --extern ct_logs=/opt/rustwide/target/debug/deps/libct_logs-0148da1e95253592.rmeta --extern ctrlc=/opt/rustwide/target/debug/deps/libctrlc-769d16a93b7d6b09.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-203ac19029f8237c.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-63f461286e84e789.rmeta --extern getrandom=/opt/rustwide/target/debug/deps/libgetrandom-1470ac9510679cd1.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-93599c13da2e3840.rmeta --extern hyper_multipart_rfc7578=/opt/rustwide/target/debug/deps/libhyper_multipart_rfc7578-0e2f7251c550516f.rmeta --extern hyper_rustls=/opt/rustwide/target/debug/deps/libhyper_rustls-8c888648d080ca82.rmeta --extern hyper_trust_dns_connector=/opt/rustwide/target/debug/deps/libhyper_trust_dns_connector-e6bbeb36501d27d8.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-56a705720bafac8d.rmeta --extern memfd=/opt/rustwide/target/debug/deps/libmemfd-71fb1e97baec6a88.rmeta --extern memmap=/opt/rustwide/target/debug/deps/libmemmap-c2f046501b985883.rmeta --extern mime=/opt/rustwide/target/debug/deps/libmime-60cdb79b1a736569.rmeta --extern nix=/opt/rustwide/target/debug/deps/libnix-f98bf6f91a5483eb.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-d7e0bbafd8046773.rmeta --extern percent_encoding=/opt/rustwide/target/debug/deps/libpercent_encoding-2cb69b838485abd5.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-3a4c39fd529374c4.rmeta --extern ron=/opt/rustwide/target/debug/deps/libron-5f2fca59c7fb7de6.rmeta --extern rustls=/opt/rustwide/target/debug/deps/librustls-f16835b041d16116.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-a97c7dc19a5cdf1c.rmeta --extern scopeguard=/opt/rustwide/target/debug/deps/libscopeguard-9a84f78841606340.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-9d4ad30f21c8882e.rmeta --extern serde_xml_rs=/opt/rustwide/target/debug/deps/libserde_xml_rs-bb7a3169acc229c7.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-733ef3a5c7cc6574.rmeta --extern serde_qs=/opt/rustwide/target/debug/deps/libserde_qs-0da08f7368eb841b.rmeta --extern thiserror=/opt/rustwide/target/debug/deps/libthiserror-8b06539bbc90092c.rmeta --extern tinystr=/opt/rustwide/target/debug/deps/libtinystr-3d7d3afbfa003953.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-d3b6325793a25787.rmeta --extern tokio_codec=/opt/rustwide/target/debug/deps/libtokio_codec-21c3d6e492495ccd.rmeta --extern tokio_rustls=/opt/rustwide/target/debug/deps/libtokio_rustls-5bacb0b94afc7ec2.rmeta --extern tokio_tungstenite=/opt/rustwide/target/debug/deps/libtokio_tungstenite-0fe1d689c9a538c6.rmeta --extern tokio_util=/opt/rustwide/target/debug/deps/libtokio_util-2d915acb4b0d815e.rmeta --extern trust_dns_resolver=/opt/rustwide/target/debug/deps/libtrust_dns_resolver-0d3d052599f935d1.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-7f9ec5294df9679b.rmeta --extern webpki_roots=/opt/rustwide/target/debug/deps/libwebpki_roots-380a5fa8808f959f.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "ba1084e19877dd10b8815ec732c1d42043beef54edd2a91508c98ce795f1729f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba1084e19877dd10b8815ec732c1d42043beef54edd2a91508c98ce795f1729f", kill_on_drop: false }`
[INFO] [stdout] ba1084e19877dd10b8815ec732c1d42043beef54edd2a91508c98ce795f1729f
