[INFO] fetching crate dusk-blindbid 0.10.0-rc.2...
[INFO] documenting dusk-blindbid-0.10.0-rc.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate dusk-blindbid 0.10.0-rc.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate dusk-blindbid 0.10.0-rc.2 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] removed /workspace/builds/worker-11/source/.cargo/config.toml
[INFO] removed /workspace/builds/worker-11/source/rust-toolchain
[INFO] started tweaking crates.io crate dusk-blindbid 0.10.0-rc.2
[INFO] finished tweaking crates.io crate dusk-blindbid 0.10.0-rc.2
[INFO] tweaked toml for crates.io crate dusk-blindbid 0.10.0-rc.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 876ffd3cb07636d4e1e8a4c68589ce966ef9f42675f415046ab0c927a12c4fa0
[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" "876ffd3cb07636d4e1e8a4c68589ce966ef9f42675f415046ab0c927a12c4fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "876ffd3cb07636d4e1e8a4c68589ce966ef9f42675f415046ab0c927a12c4fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "876ffd3cb07636d4e1e8a4c68589ce966ef9f42675f415046ab0c927a12c4fa0", kill_on_drop: false }`
[INFO] [stdout] 876ffd3cb07636d4e1e8a4c68589ce966ef9f42675f415046ab0c927a12c4fa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 36d6da9582a8ff91cc1c2745941f6362f800b6aa1712b8edada155fd335ebc6b
[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" "36d6da9582a8ff91cc1c2745941f6362f800b6aa1712b8edada155fd335ebc6b", kill_on_drop: false }`
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling canonical v0.6.5
[INFO] [stderr]    Compiling derive-hex v0.1.2
[INFO] [stderr]     Checking zeroize v1.4.1
[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/canonical-0.6.5/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(never_type)]
[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/canonical-0.6.5/src/lib.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![feature(never_type)]
[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 `canonical` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "36d6da9582a8ff91cc1c2745941f6362f800b6aa1712b8edada155fd335ebc6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36d6da9582a8ff91cc1c2745941f6362f800b6aa1712b8edada155fd335ebc6b", kill_on_drop: false }`
[INFO] [stdout] 36d6da9582a8ff91cc1c2745941f6362f800b6aa1712b8edada155fd335ebc6b
