[INFO] fetching crate holochain_persistence_lmdb 0.0.18...
[INFO] checking holochain_persistence_lmdb-0.0.18 against master#cfbc6d4cf1acbac5c025acf8ed68929caa551df3 for pr-75494-beta
[INFO] extracting crate holochain_persistence_lmdb 0.0.18 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate holochain_persistence_lmdb 0.0.18 on toolchain cfbc6d4cf1acbac5c025acf8ed68929caa551df3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate holochain_persistence_lmdb 0.0.18
[INFO] finished tweaking crates.io crate holochain_persistence_lmdb 0.0.18
[INFO] tweaked toml for crates.io crate holochain_persistence_lmdb 0.0.18 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lmdb-rkv v0.14.0
[INFO] [stderr]   Downloaded lmdb-rkv-sys v0.11.0
[INFO] [stderr]   Downloaded rkv v0.10.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dacd525d99dbc6a1a6f30b67bffb47dca5583855ec1c937fb14cf6f8153bc3db
[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" "dacd525d99dbc6a1a6f30b67bffb47dca5583855ec1c937fb14cf6f8153bc3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dacd525d99dbc6a1a6f30b67bffb47dca5583855ec1c937fb14cf6f8153bc3db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dacd525d99dbc6a1a6f30b67bffb47dca5583855ec1c937fb14cf6f8153bc3db", kill_on_drop: false }`
[INFO] [stdout] dacd525d99dbc6a1a6f30b67bffb47dca5583855ec1c937fb14cf6f8153bc3db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+cfbc6d4cf1acbac5c025acf8ed68929caa551df3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 565cd285bb0607a0f0fc7f9dc2267252a1a6537deb242b8e3bad65837555f201
[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" "565cd285bb0607a0f0fc7f9dc2267252a1a6537deb242b8e3bad65837555f201", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking arrayref v0.3.5
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling syn v0.15.31
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling either v1.6.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking reed-solomon v0.2.1
[INFO] [stderr]     Checking sha1 v0.5.0
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling holochain_json_api v0.0.23
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking objekt v0.1.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling holochain_persistence_api v0.0.18
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking colored v1.7.0
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking hcid v0.0.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking memchr v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crossbeam-channel v0.3.8
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking multihash v0.8.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling lmdb-rkv-sys v0.11.0
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking num-complex v0.3.0
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking tempfile v3.0.7
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking lmdb-rkv v0.14.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.17
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.17
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling shrinkwraprs v0.2.1
[INFO] [stderr]     Checking num v0.3.0
[INFO] [stderr]     Checking rust-base58 v0.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking toml v0.5.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking serde_test v1.0.104
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling holochain_json_derive v0.0.23
[INFO] [stderr]     Checking rkv v0.10.4
[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" "565cd285bb0607a0f0fc7f9dc2267252a1a6537deb242b8e3bad65837555f201", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "565cd285bb0607a0f0fc7f9dc2267252a1a6537deb242b8e3bad65837555f201", kill_on_drop: false }`
[INFO] [stdout] 565cd285bb0607a0f0fc7f9dc2267252a1a6537deb242b8e3bad65837555f201
