[INFO] fetching crate holochain_core_types 0.0.51-alpha1...
[INFO] checking holochain_core_types-0.0.51-alpha1 against beta-2020-07-24 for pr-75494-beta
[INFO] extracting crate holochain_core_types 0.0.51-alpha1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate holochain_core_types 0.0.51-alpha1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_core_types 0.0.51-alpha1
[INFO] finished tweaking crates.io crate holochain_core_types 0.0.51-alpha1
[INFO] tweaked toml for crates.io crate holochain_core_types 0.0.51-alpha1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 326d384078c3ac6f26e5aa499220b6c2cdc111304369b24d14b24db7708807e0
[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" "326d384078c3ac6f26e5aa499220b6c2cdc111304369b24d14b24db7708807e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "326d384078c3ac6f26e5aa499220b6c2cdc111304369b24d14b24db7708807e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "326d384078c3ac6f26e5aa499220b6c2cdc111304369b24d14b24db7708807e0", kill_on_drop: false }`
[INFO] [stdout] 326d384078c3ac6f26e5aa499220b6c2cdc111304369b24d14b24db7708807e0
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b53a6f3c3be7b20da672e1e4eb6da4803585707af538d07d76b41820f666bc1e
[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" "b53a6f3c3be7b20da672e1e4eb6da4803585707af538d07d76b41820f666bc1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking backtrace v0.3.27
[INFO] [stderr]    Compiling holochain_core_types v0.0.51-alpha1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]    Compiling mashup-impl v0.1.12
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking mashup v0.1.12
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling zeroize_derive v0.9.3
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking holochain_locksmith v0.0.51-alpha1
[INFO] [stderr]     Checking zeroize v0.9.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling holochain_json_derive v0.0.23
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking holochain_json_api v0.0.23
[INFO] [stderr]     Checking lib3h_crypto_api v0.0.42
[INFO] [stderr]     Checking holochain_logging v0.0.7
[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" "b53a6f3c3be7b20da672e1e4eb6da4803585707af538d07d76b41820f666bc1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b53a6f3c3be7b20da672e1e4eb6da4803585707af538d07d76b41820f666bc1e", kill_on_drop: false }`
[INFO] [stdout] b53a6f3c3be7b20da672e1e4eb6da4803585707af538d07d76b41820f666bc1e
