[INFO] fetching crate tari_core 0.8.1...
[INFO] testing tari_core-0.8.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate tari_core 0.8.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tari_core 0.8.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-hash v0.4.0
[INFO] [stderr]   Downloaded parity-scale-codec v1.3.7
[INFO] [stderr]   Downloaded serde-big-array v0.2.0
[INFO] [stderr]   Downloaded ethereum-types v0.4.2
[INFO] [stderr]   Downloaded ethbloom v0.5.3
[INFO] [stderr]   Downloaded fixed-hash v0.2.5
[INFO] [stderr]   Downloaded ethereum-types-serialize v0.2.2
[INFO] [stderr]   Downloaded randomx-rs v0.5.0
[INFO] [stderr]   Downloaded uint v0.4.1
[INFO] [stderr]   Downloaded monero v0.9.1
[INFO] [stderr]   Downloaded keccak-hash v0.1.2
[INFO] [stderr]   Downloaded git2 v0.8.0
[INFO] [stderr]   Downloaded impl-codec v0.4.2
[INFO] [stderr]   Downloaded keccak-hash v0.3.0
[INFO] [stderr]   Downloaded primitive-types v0.5.1
[INFO] [stderr]   Downloaded base58-monero v0.1.1
[INFO] [stderr]   Downloaded crunchy v0.1.6
[INFO] [stderr]   Downloaded tari_mmr v0.8.1
[INFO] [stderr]   Downloaded libgit2-sys v0.7.11
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 730ecb527512551f81c9445bd986a8306dbacb18ca0439b08ab64d63c0df608a
[INFO] running `Command { std: "docker" "start" "-a" "730ecb527512551f81c9445bd986a8306dbacb18ca0439b08ab64d63c0df608a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "730ecb527512551f81c9445bd986a8306dbacb18ca0439b08ab64d63c0df608a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "730ecb527512551f81c9445bd986a8306dbacb18ca0439b08ab64d63c0df608a", kill_on_drop: false }`
[INFO] [stdout] 730ecb527512551f81c9445bd986a8306dbacb18ca0439b08ab64d63c0df608a
[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=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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1fba482142566ce79209e958f1f296b07858217ad610fa796c7cdbae1bc92a3
[INFO] running `Command { std: "docker" "start" "-a" "c1fba482142566ce79209e958f1f296b07858217ad610fa796c7cdbae1bc92a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling newtype-ops v0.1.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling traitobject v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.5.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling supercow v0.1.0
[INFO] [stderr]    Compiling arc-swap v0.3.11
[INFO] [stderr]    Compiling log-mdc v0.1.0
[INFO] [stderr]    Compiling unsigned-varint v0.6.0
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling libm v0.1.4
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling packed_simd_2 v0.3.6
[INFO] [stderr]    Compiling path-clean v0.1.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling cbindgen v0.17.0
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling subtle v1.0.0
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling bindgen v0.56.0
[INFO] [stderr]    Compiling radium v0.3.0
[INFO] [stderr]    Compiling bitstring v0.1.1
[INFO] [stderr]    Compiling byte-slice-cast v0.3.5
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling nibble_vec v0.0.4
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling serde-big-array v0.2.0
[INFO] [stderr]    Compiling strum v0.19.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling clear_on_drop v0.2.4
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libsqlite3-sys v0.22.2
[INFO] [stderr]    Compiling libloading v0.7.0
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling liblmdb-sys v0.2.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling ttl_cache v0.5.1
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling clang-sys v1.2.2
[INFO] [stderr]    Compiling chacha20-poly1305-aead v0.1.2
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling block-padding v0.1.5
[INFO] [stderr]    Compiling radix_trie v0.1.6
[INFO] [stderr]    Compiling bitvec v0.17.4
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]    Compiling get_if_addrs v0.5.3
[INFO] [stderr]    Compiling parking_lot_core v0.7.2
[INFO] [stderr]    Compiling fs2 v0.3.0
[INFO] [stderr]    Compiling object v0.26.2
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling snow v0.6.2
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]    Compiling dirs-next v1.0.2
[INFO] [stderr]    Compiling fixed-hash v0.2.5
[INFO] [stderr]    Compiling fixed-hash v0.4.0
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling rmp v0.8.10
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.3.1
[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 block-buffer v0.9.0
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot v0.10.2
[INFO] [stderr]    Compiling k12 v0.1.0
[INFO] [stderr]    Compiling serde-hjson v0.8.2
[INFO] [stderr]    Compiling blake3 v0.3.8
[INFO] [stderr]    Compiling blake2 v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.8.2
[INFO] [stderr]    Compiling sha3 v0.9.1
[INFO] [stderr]    Compiling blake2-rfc v0.2.18
[INFO] [stderr]    Compiling num-format v0.4.0
[INFO] [stderr]    Compiling uint v0.4.1
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling uint v0.8.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[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/packed_simd_2-0.3.6/src/lib.rs:214:1
[INFO] [stdout]     |
[INFO] [stdout] 214 | / #![feature(
[INFO] [stdout] 215 | |     adt_const_params,
[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 num v0.3.1
[INFO] [stderr]    Compiling lmdb-zero v0.4.4
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]    Compiling structopt-derive v0.4.16
[INFO] [stderr]    Compiling zeroize_derive v1.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling diesel_derives v1.4.1
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling enum-as-inner v0.3.3
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stdout] error[E0034]: multiple applicable items in scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/prost-derive-0.6.1/src/lib.rs:111:14
[INFO] [stdout]     |
[INFO] [stdout] 111 |             .intersperse(quote!(|));
[INFO] [stdout]     |              ^^^^^^^^^^^ multiple `intersperse` found
[INFO] [stdout]     |
[INFO] [stdout]     = note: candidate #1 is defined in an impl of the trait `Iterator` for the type `Map<I, F>`
[INFO] [stdout]     = note: candidate #2 is defined in an impl of the trait `Itertools` for the type `T`
[INFO] [stdout] help: disambiguate the associated function for candidate #1
[INFO] [stdout]     |
[INFO] [stdout] 107 ~         let tags = Iterator::intersperse(field
[INFO] [stdout] 108 +             .tags()
[INFO] [stdout] 109 +             .into_iter()
[INFO] [stdout] 110 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 111 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 112 +         $crate::quote_each_token!(_s $($tt)*);
[INFO] [stdout]   ...
[INFO] [stdout] help: disambiguate the associated function for candidate #2
[INFO] [stdout]     |
[INFO] [stdout] 107 ~         let tags = Itertools::intersperse(field
[INFO] [stdout] 108 +             .tags()
[INFO] [stdout] 109 +             .into_iter()
[INFO] [stdout] 110 +             .map(|tag| quote!(#tag)), {
[INFO] [stdout] 111 +         let mut _s = $crate::__private::TokenStream::new();
[INFO] [stdout] 112 +         $crate::quote_each_token!(_s $($tt)*);
[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 E0034`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `prost-derive` 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" "c1fba482142566ce79209e958f1f296b07858217ad610fa796c7cdbae1bc92a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1fba482142566ce79209e958f1f296b07858217ad610fa796c7cdbae1bc92a3", kill_on_drop: false }`
[INFO] [stdout] c1fba482142566ce79209e958f1f296b07858217ad610fa796c7cdbae1bc92a3