[INFO] fetching crate tari_core 0.8.1...
[INFO] documenting tari_core-0.8.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate tari_core 0.8.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate tari_core 0.8.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tari_core 0.8.1
[INFO] finished tweaking crates.io crate tari_core 0.8.1
[INFO] tweaked toml for crates.io crate tari_core 0.8.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82523f94ef0c760ce31bcca2b29dfdce29f67eadd7c763dc1230211829529fdf
[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" "82523f94ef0c760ce31bcca2b29dfdce29f67eadd7c763dc1230211829529fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82523f94ef0c760ce31bcca2b29dfdce29f67eadd7c763dc1230211829529fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82523f94ef0c760ce31bcca2b29dfdce29f67eadd7c763dc1230211829529fdf", kill_on_drop: false }`
[INFO] [stdout] 82523f94ef0c760ce31bcca2b29dfdce29f67eadd7c763dc1230211829529fdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 55c56fd7ed8ad51d1fea23ce3e4b048088b6a7f492f53a84588b803c116bdf26
[INFO] running `Command { std: "docker" "start" "-a" "55c56fd7ed8ad51d1fea23ce3e4b048088b6a7f492f53a84588b803c116bdf26", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling slab v0.4.4
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-sink v0.3.16
[INFO] [stderr]    Compiling pin-project-lite v0.1.12
[INFO] [stderr]    Compiling cbindgen v0.17.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling futures-io v0.3.16
[INFO] [stderr]    Compiling heapsize v0.4.2
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling bitstring v0.1.1
[INFO] [stderr]     Checking static_assertions v0.2.5
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl-probe v0.1.4
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]     Checking multimap v0.8.3
[INFO] [stderr]     Checking log-mdc v0.1.0
[INFO] [stderr]     Checking nibble_vec v0.0.4
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking path-clean v0.1.0
[INFO] [stderr]     Checking strum v0.19.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling tinyvec v1.3.1
[INFO] [stderr]    Compiling unicode-bidi v0.3.5
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]     Checking chacha20-poly1305-aead v0.1.2
[INFO] [stderr]     Checking ttl_cache v0.5.1
[INFO] [stderr]    Compiling lock_api v0.3.4
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking radix_trie v0.1.6
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking fs2 v0.3.0
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]     Checking packed_simd_2 v0.3.5
[INFO] [stderr]     Checking nom v4.2.3
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking tiny-keccak v1.5.0
[INFO] [stderr]     Checking uint v0.8.5
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]    Compiling dirs-next v1.0.2
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking fixed-hash v0.2.5
[INFO] [stderr]     Checking uint v0.4.1
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.5/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     const_generics,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | |     llvm_asm
[INFO] [stdout] 228 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking num-bigint v0.3.2
[INFO] [stderr]     Checking fixed-hash v0.4.0
[INFO] [stderr]     Checking fixed-hash v0.3.2
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]     Checking k12 v0.1.0
[INFO] [stderr]     Checking blake3 v0.3.8
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.5/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     const_generics,
[INFO] [stdout] 216 | |     repr_simd,
[INFO] [stdout] 217 | |     rustc_attrs,
[INFO] [stdout] ...   |
[INFO] [stdout] 227 | |     llvm_asm
[INFO] [stdout] 228 | | )]
[INFO] [stdout]     | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling pin-project v0.4.28
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling crypto-mac v0.7.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.4.15
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling idna v0.2.3
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling bytes v0.5.6
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling serde-value v0.5.3
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling cidr v0.1.1
[INFO] [stderr] error: could not compile `packed_simd_2`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name packed_simd_2 --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/packed_simd_2-0.3.5/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="into_bits"' -C metadata=80beb5d3fe7af589 -C extra-filename=-80beb5d3fe7af589 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-20b9f5fb82bebd1b.rmeta --extern libm=/opt/rustwide/target/debug/deps/liblibm-4b038716fc1a653f.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[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" "55c56fd7ed8ad51d1fea23ce3e4b048088b6a7f492f53a84588b803c116bdf26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c56fd7ed8ad51d1fea23ce3e4b048088b6a7f492f53a84588b803c116bdf26", kill_on_drop: false }`
[INFO] [stdout] 55c56fd7ed8ad51d1fea23ce3e4b048088b6a7f492f53a84588b803c116bdf26
