[INFO] cloning repository https://github.com/ugifractal/drxplayer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ugifractal/drxplayer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fugifractal%2Fdrxplayer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fugifractal%2Fdrxplayer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c676d53e162a6c2b9ea2ce61781398b9f9ad4d6f
[INFO] documenting ugifractal/drxplayer 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%2Fugifractal%2Fdrxplayer" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ugifractal/drxplayer 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/ugifractal/drxplayer
[INFO] finished tweaking git repo https://github.com/ugifractal/drxplayer
[INFO] tweaked toml for git repo https://github.com/ugifractal/drxplayer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ugifractal/drxplayer 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded universal-hash v0.3.0
[INFO] [stderr]   Downloaded zeroize v1.2.0
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded dotenv v0.9.0
[INFO] [stderr]   Downloaded aesni v0.6.0
[INFO] [stderr]   Downloaded aes-soft v0.3.3
[INFO] [stderr]   Downloaded utf8-ranges v1.0.4
[INFO] [stderr]   Downloaded rocket_codegen v0.4.7
[INFO] [stderr]   Downloaded sha2 v0.8.2
[INFO] [stderr]   Downloaded cookie v0.11.3
[INFO] [stderr]   Downloaded aes-gcm v0.5.0
[INFO] [stderr]   Downloaded polyval v0.3.3
[INFO] [stderr]   Downloaded hkdf v0.8.0
[INFO] [stderr]   Downloaded smallvec v0.6.10
[INFO] [stderr]   Downloaded indexmap v1.2.0
[INFO] [stderr]   Downloaded rocket_contrib v0.4.2
[INFO] [stderr]   Downloaded hmac v0.7.1
[INFO] [stderr]   Downloaded rocket_http v0.4.7
[INFO] [stderr]   Downloaded safemem v0.3.2
[INFO] [stderr]   Downloaded num_cpus v1.10.1
[INFO] [stderr]   Downloaded subtle v1.0.0
[INFO] [stderr]   Downloaded crypto-mac v0.7.0
[INFO] [stderr]   Downloaded rocket v0.4.7
[INFO] [stderr]   Downloaded state v0.4.1
[INFO] [stderr]   Downloaded aes v0.3.2
[INFO] [stderr]   Downloaded block-cipher-trait v0.6.2
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded same-file v1.0.5
[INFO] [stderr]   Downloaded aead v0.2.0
[INFO] [stderr]   Downloaded notify v4.0.13
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded ghash v0.2.3
[INFO] [stderr]   Downloaded serde_json v1.0.40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1ff8146567585ead86bf97ebfed867f4b30972b701d0825859fe80126ba4945d
[INFO] running `Command { std: "docker" "start" "-a" "1ff8146567585ead86bf97ebfed867f4b30972b701d0825859fe80126ba4945d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ff8146567585ead86bf97ebfed867f4b30972b701d0825859fe80126ba4945d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ff8146567585ead86bf97ebfed867f4b30972b701d0825859fe80126ba4945d", kill_on_drop: false }`
[INFO] [stdout] 1ff8146567585ead86bf97ebfed867f4b30972b701d0825859fe80126ba4945d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 21fc1f9881dfb5f7432bdfaf9fb44deec6cc3d79b67e595f58ca6cbe5abc2f92
[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" "21fc1f9881dfb5f7432bdfaf9fb44deec6cc3d79b67e595f58ca6cbe5abc2f92", kill_on_drop: false }`
[INFO] [stderr]    Compiling pear_codegen v0.1.4
[INFO] [stderr]    Compiling rocket_codegen v0.4.7
[INFO] [stderr]    Compiling rocket v0.4.7
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]    Compiling universal-hash v0.3.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling aes-soft v0.3.3
[INFO] [stderr]    Compiling devise_core v0.2.0
[INFO] [stderr]     Checking polyval v0.3.3
[INFO] [stderr]    Compiling hmac v0.7.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking hkdf v0.8.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/devise_core-0.2.0/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_diagnostic, proc_macro_span)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/devise_core-0.2.0/src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(crate_visibility_modifier)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/devise_core-0.2.0/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(concat_idents)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking ghash v0.2.3
[INFO] [stdout] error: aborting due to 3 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 compile `devise_core` due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "21fc1f9881dfb5f7432bdfaf9fb44deec6cc3d79b67e595f58ca6cbe5abc2f92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21fc1f9881dfb5f7432bdfaf9fb44deec6cc3d79b67e595f58ca6cbe5abc2f92", kill_on_drop: false }`
[INFO] [stdout] 21fc1f9881dfb5f7432bdfaf9fb44deec6cc3d79b67e595f58ca6cbe5abc2f92
