[INFO] cloning repository https://github.com/OpenCliqueCraft/splinter-proxy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/OpenCliqueCraft/splinter-proxy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOpenCliqueCraft%2Fsplinter-proxy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FOpenCliqueCraft%2Fsplinter-proxy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] befe156306d022311f3809f9bc9e6e82d4f3f69f
[INFO] documenting OpenCliqueCraft/splinter-proxy 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%2FOpenCliqueCraft%2Fsplinter-proxy" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/OpenCliqueCraft/splinter-proxy 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/OpenCliqueCraft/splinter-proxy
[INFO] finished tweaking git repo https://github.com/OpenCliqueCraft/splinter-proxy
[INFO] tweaked toml for git repo https://github.com/OpenCliqueCraft/splinter-proxy written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/OpenCliqueCraft/splinter-proxy 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 serde_derive v1.0.125
[INFO] [stderr]   Downloaded aes-soft v0.6.4
[INFO] [stderr]   Downloaded md5 v0.7.0
[INFO] [stderr]   Downloaded bimap v0.6.1
[INFO] [stderr]   Downloaded async-trait v0.1.50
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded serde v1.0.125
[INFO] [stderr]   Downloaded tokio v1.5.0
[INFO] [stderr]   Downloaded json v0.12.4
[INFO] [stderr]   Downloaded libz-sys v1.1.3
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded aes v0.6.0
[INFO] [stderr]   Downloaded vcpkg v0.2.12
[INFO] [stderr]   Downloaded ron v0.6.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.26
[INFO] [stderr]   Downloaded libc v0.2.94
[INFO] [stderr]   Downloaded simplelog v0.10.0
[INFO] [stderr]   Downloaded aesni v0.10.0
[INFO] [stderr]   Downloaded craftio-rs v0.1.0
[INFO] [stderr]   Downloaded mcproto-rs v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 39c18b7ebec83592a479810e378738490289c98b7007877dd0b004980fbe9d59
[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" "39c18b7ebec83592a479810e378738490289c98b7007877dd0b004980fbe9d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c18b7ebec83592a479810e378738490289c98b7007877dd0b004980fbe9d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c18b7ebec83592a479810e378738490289c98b7007877dd0b004980fbe9d59", kill_on_drop: false }`
[INFO] [stdout] 39c18b7ebec83592a479810e378738490289c98b7007877dd0b004980fbe9d59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 8b75fad7f08b81adf3a2a36855c3dcdd5bf32a1d7de4808626f01d7b3ee23fc5
[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" "8b75fad7f08b81adf3a2a36855c3dcdd5bf32a1d7de4808626f01d7b3ee23fc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking bimap v0.6.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking ron v0.6.4
[INFO] [stderr]     Checking mcproto-rs v0.2.0
[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/mcproto-rs-0.2.0/src/lib.rs:1:32
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![cfg_attr(feature = "bench", feature(test))]
[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 `mcproto-rs` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8b75fad7f08b81adf3a2a36855c3dcdd5bf32a1d7de4808626f01d7b3ee23fc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b75fad7f08b81adf3a2a36855c3dcdd5bf32a1d7de4808626f01d7b3ee23fc5", kill_on_drop: false }`
[INFO] [stdout] 8b75fad7f08b81adf3a2a36855c3dcdd5bf32a1d7de4808626f01d7b3ee23fc5
