[INFO] fetching crate holochain_net 0.0.52-alpha2...
[INFO] checking holochain_net-0.0.52-alpha2 against beta for pr-78714
[INFO] extracting crate holochain_net 0.0.52-alpha2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate holochain_net 0.0.52-alpha2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_net 0.0.52-alpha2
[INFO] finished tweaking crates.io crate holochain_net 0.0.52-alpha2
[INFO] tweaked toml for crates.io crate holochain_net 0.0.52-alpha2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10d3d9aa2a76fcf8a21be0348d4800fd67b6b25a8f0cf9634882aab0464bbe4f
[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" "10d3d9aa2a76fcf8a21be0348d4800fd67b6b25a8f0cf9634882aab0464bbe4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10d3d9aa2a76fcf8a21be0348d4800fd67b6b25a8f0cf9634882aab0464bbe4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10d3d9aa2a76fcf8a21be0348d4800fd67b6b25a8f0cf9634882aab0464bbe4f", kill_on_drop: false }`
[INFO] [stdout] 10d3d9aa2a76fcf8a21be0348d4800fd67b6b25a8f0cf9634882aab0464bbe4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3d2b6d935fc465870ad8927c994f3915526f39856eb5f0a5c98d8adce1808c1c
[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" "3d2b6d935fc465870ad8927c994f3915526f39856eb5f0a5c98d8adce1808c1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling regex v1.1.2
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[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]    Compiling holochain_json_api v0.0.23
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[INFO] [stderr]     Checking holochain_common v0.0.52-alpha2
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[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
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[INFO] [stderr]     Checking uuid v0.4.0
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking parking_lot v0.4.8
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking rust-base58 v0.0.4
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[INFO] [stderr]    Compiling shrinkwraprs v0.2.1
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[INFO] [stderr]    Compiling zeroize_derive v0.9.3
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[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking http-body v0.1.0
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[INFO] [stderr]    Compiling serde_derive v1.0.104
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[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling structopt-derive v0.3.3
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[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling rustracing v0.2.1
[INFO] [stderr]    Compiling thrift_codec v0.1.1
[INFO] [stderr]    Compiling tracing v0.1.13
[INFO] [stderr]     Checking structopt v0.3.3
[INFO] [stderr]     Checking rustracing_jaeger v0.2.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tracing-futures v0.2.2
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking lib3h_crypto_api v0.0.42
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]     Checking url_serde v0.2.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking rmp-serde v0.13.7
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking thrift v0.13.0
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking opentelemetry v0.2.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking url2 v0.0.4
[INFO] [stderr]     Checking csv v1.1.4
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]    Compiling http_req v0.2.1
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking holochain_logging v0.0.7
[INFO] [stderr]     Checking holochain_locksmith v0.0.52-alpha2
[INFO] [stderr]     Checking yasna v0.3.1
[INFO] [stderr]     Checking tracing-subscriber v0.2.3
[INFO] [stderr]     Checking lib3h_p2p_protocol v0.0.42
[INFO] [stderr]     Checking jsonrpc-core v14.0.1
[INFO] [stderr]     Checking jsonrpc-lite v0.5.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking opentelemetry-jaeger v0.1.0
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-signal v0.2.9
[INFO] [stderr]    Compiling rust_sodium_holochain_fork-sys v0.10.4
[INFO] [stderr]     Checking rcgen v0.8.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-process v0.2.5
[INFO] [stderr]    Compiling holochain_core_types v0.0.52-alpha2
[INFO] [stderr]     Checking in_stream v0.0.52-alpha2
[INFO] [stderr]    Compiling holochain_json_derive v0.0.23
[INFO] [stderr]     Checking holochain_tracing v0.0.24
[INFO] [stderr]     Checking lib3h_zombie_actor v0.0.42
[INFO] [stderr]     Checking hyper v0.12.35
[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/holochain_json_api-0.0.23/src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![feature(try_trait)]
[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/holochain_json_api-0.0.23/src/lib.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[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 compile `holochain_json_api`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3d2b6d935fc465870ad8927c994f3915526f39856eb5f0a5c98d8adce1808c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d2b6d935fc465870ad8927c994f3915526f39856eb5f0a5c98d8adce1808c1c", kill_on_drop: false }`
[INFO] [stdout] 3d2b6d935fc465870ad8927c994f3915526f39856eb5f0a5c98d8adce1808c1c