[INFO] cloning repository https://github.com/tommyrharper/vrf_poker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tommyrharper/vrf_poker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyrharper%2Fvrf_poker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyrharper%2Fvrf_poker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b9f1e6b33c91e7c41202175ee7853c9a156276
[INFO] checking tommyrharper/vrf_poker against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftommyrharper%2Fvrf_poker" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tommyrharper/vrf_poker on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tommyrharper/vrf_poker
[INFO] finished tweaking git repo https://github.com/tommyrharper/vrf_poker
[INFO] tweaked toml for git repo https://github.com/tommyrharper/vrf_poker written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tommyrharper/vrf_poker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.20
[INFO] [stderr]   Downloaded proc-macro2 v1.0.40
[INFO] [stderr]   Downloaded unicode-ident v1.0.1
[INFO] [stderr]   Downloaded wasmi-validation v0.4.1
[INFO] [stderr]   Downloaded zeroize v1.5.6
[INFO] [stderr]   Downloaded sp-core v6.0.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.81
[INFO] [stderr]   Downloaded sp-storage v6.0.0
[INFO] [stderr]   Downloaded ref-cast-impl v1.0.7
[INFO] [stderr]   Downloaded sp-debug-derive v4.0.0
[INFO] [stderr]   Downloaded libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]   Downloaded parity-scale-codec-derive v3.1.3
[INFO] [stderr]   Downloaded sp-core-hashing v4.0.0
[INFO] [stderr]   Downloaded base58 v0.2.0
[INFO] [stderr]   Downloaded parity-util-mem v0.11.0
[INFO] [stderr]   Downloaded tracing-serde v0.1.3
[INFO] [stderr]   Downloaded secrecy v0.8.0
[INFO] [stderr]   Downloaded merlin v2.0.1
[INFO] [stderr]   Downloaded serde_bytes v0.11.6
[INFO] [stderr]   Downloaded scale-info v2.1.2
[INFO] [stderr]   Downloaded tracing v0.1.35
[INFO] [stderr]   Downloaded serde_derive v1.0.139
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded serde_json v1.0.82
[INFO] [stderr]   Downloaded curve25519-dalek v3.2.0
[INFO] [stderr]   Downloaded curve25519-dalek v2.1.3
[INFO] [stderr]   Downloaded unicode-normalization v0.1.21
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.81
[INFO] [stderr]   Downloaded syn v1.0.98
[INFO] [stderr]   Downloaded schnorrkel v0.10.2
[INFO] [stderr]   Downloaded bumpalo v3.10.0
[INFO] [stderr]   Downloaded parity-wasm v0.42.2
[INFO] [stderr]   Downloaded tracing-core v0.1.28
[INFO] [stderr]   Downloaded impl-serde v0.3.2
[INFO] [stderr]   Downloaded parity-scale-codec v3.1.5
[INFO] [stderr]   Downloaded num-format v0.4.0
[INFO] [stderr]   Downloaded serde v1.0.139
[INFO] [stderr]   Downloaded js-sys v0.3.58
[INFO] [stderr]   Downloaded dyn-clone v1.0.6
[INFO] [stderr]   Downloaded signature v1.5.0
[INFO] [stderr]   Downloaded libsecp256k1-core v0.3.0
[INFO] [stderr]   Downloaded libsecp256k1 v0.7.0
[INFO] [stderr]   Downloaded secp256k1 v0.21.3
[INFO] [stderr]   Downloaded scale-info-derive v2.1.2
[INFO] [stderr]   Downloaded primitive-types v0.11.1
[INFO] [stderr]   Downloaded environmental v1.1.3
[INFO] [stderr]   Downloaded sp-runtime-interface-proc-macro v5.0.0
[INFO] [stderr]   Downloaded sp-tracing v5.0.0
[INFO] [stderr]   Downloaded sp-runtime-interface v6.0.0
[INFO] [stderr]   Downloaded wyz v0.5.0
[INFO] [stderr]   Downloaded anyhow v1.0.58
[INFO] [stderr]   Downloaded ss58-registry v1.23.0
[INFO] [stderr]   Downloaded crypto-mac v0.11.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.81
[INFO] [stderr]   Downloaded sp-wasm-interface v6.0.0
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.3
[INFO] [stderr]   Downloaded hmac v0.11.0
[INFO] [stderr]   Downloaded substrate-bip39 v0.4.4
[INFO] [stderr]   Downloaded once_cell v1.13.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.31
[INFO] [stderr]   Downloaded sp-externalities v0.12.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.81
[INFO] [stderr]   Downloaded impl-codec v0.6.0
[INFO] [stderr]   Downloaded ref-cast v1.0.7
[INFO] [stderr]   Downloaded pbkdf2 v0.8.0
[INFO] [stderr]   Downloaded thiserror v1.0.31
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.81
[INFO] [stderr]   Downloaded libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]   Downloaded wasmi v0.9.1
[INFO] [stderr]   Downloaded sp-std v4.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 47fb7add192f0ba8c72a6b63d7995c5dd18467c60edd60ea66e35baf38f17927
[INFO] running `Command { std: "docker" "start" "-a" "47fb7add192f0ba8c72a6b63d7995c5dd18467c60edd60ea66e35baf38f17927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47fb7add192f0ba8c72a6b63d7995c5dd18467c60edd60ea66e35baf38f17927", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47fb7add192f0ba8c72a6b63d7995c5dd18467c60edd60ea66e35baf38f17927", kill_on_drop: false }`
[INFO] [stdout] 47fb7add192f0ba8c72a6b63d7995c5dd18467c60edd60ea66e35baf38f17927
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2b92ae9c54b79c95f03940d78dfaa151208580c3619a93dab0bf492667d15eb
[INFO] running `Command { std: "docker" "start" "-a" "f2b92ae9c54b79c95f03940d78dfaa151208580c3619a93dab0bf492667d15eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.40
[INFO] [stderr]    Compiling quote v1.0.20
[INFO] [stderr]    Compiling unicode-ident v1.0.1
[INFO] [stderr]    Compiling syn v1.0.98
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling serde_derive v1.0.139
[INFO] [stderr]    Compiling serde v1.0.139
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking getrandom v0.2.7
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking wyz v0.5.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking byte-slice-cast v1.2.1
[INFO] [stderr]     Checking once_cell v1.13.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking tracing-core v0.1.28
[INFO] [stderr]     Checking sp-std v4.0.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling serde_json v1.0.82
[INFO] [stderr]    Compiling ref-cast v1.0.7
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking parity-wasm v0.42.2
[INFO] [stderr]    Compiling itoa v1.0.2
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]    Compiling ryu v1.0.10
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]    Compiling secp256k1-sys v0.4.2
[INFO] [stderr]     Checking fixed-hash v0.7.0
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking uint v0.9.3
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking tracing v0.1.35
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]    Compiling anyhow v1.0.58
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking environmental v1.1.3
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.11.1
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling parity-util-mem v0.11.0
[INFO] [stderr]     Checking signature v1.5.0
[INFO] [stderr]     Checking blake2-rfc v0.2.18
[INFO] [stderr]     Checking ed25519 v1.5.2
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking wasmi-validation v0.4.1
[INFO] [stderr]     Checking pbkdf2 v0.4.0
[INFO] [stderr]     Checking hmac v0.8.1
[INFO] [stderr]     Checking pbkdf2 v0.8.0
[INFO] [stderr]     Checking hmac v0.11.0
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.6.0
[INFO] [stderr]     Checking twox-hash v1.6.3
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking subtle-ng v2.5.0
[INFO] [stderr]     Checking dyn-clone v1.0.6
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking sp-core-hashing v4.0.0
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking hash-db v0.15.2
[INFO] [stderr]     Checking base58 v0.2.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking wasmi v0.9.1
[INFO] [stderr]     Checking secp256k1 v0.21.3
[INFO] [stderr]    Compiling libsecp256k1 v0.7.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling ref-cast-impl v1.0.7
[INFO] [stderr]    Compiling sp-debug-derive v4.0.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling parity-util-mem-derive v0.1.0
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[INFO] [stderr]     Checking zeroize v1.5.6
[INFO] [stderr]     Checking merlin v2.0.1
[INFO] [stderr]     Checking curve25519-dalek v2.1.3
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking curve25519-dalek-ng v4.1.1
[INFO] [stderr]     Checking merlin v3.0.0
[INFO] [stderr]    Compiling thiserror v1.0.31
[INFO] [stderr]     Checking tiny-bip39 v0.8.2
[INFO] [stderr]     Checking schnorrkel v0.9.1
[INFO] [stderr]     Checking substrate-bip39 v0.4.4
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking impl-serde v0.3.2
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]     Checking serde_bytes v0.11.6
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking schnorrkel v0.10.2
[INFO] [stderr]    Compiling toml v0.5.9
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling ss58-registry v1.23.0
[INFO] [stderr]    Compiling parity-scale-codec-derive v3.1.3
[INFO] [stderr]    Compiling scale-info-derive v2.1.2
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v5.0.0
[INFO] [stderr]     Checking parity-scale-codec v3.1.5
[INFO] [stderr]     Checking impl-codec v0.6.0
[INFO] [stderr]     Checking scale-info v2.1.2
[INFO] [stderr]     Checking sp-storage v6.0.0
[INFO] [stderr]     Checking sp-wasm-interface v6.0.0
[INFO] [stderr]     Checking sp-tracing v5.0.0
[INFO] [stderr]     Checking sp-externalities v0.12.0
[INFO] [stderr]     Checking primitive-types v0.11.1
[INFO] [stderr]     Checking sp-runtime-interface v6.0.0
[INFO] [stderr]     Checking sp-core v6.0.0
[INFO] [stderr]     Checking vrf_poker v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.74s
[INFO] running `Command { std: "docker" "inspect" "f2b92ae9c54b79c95f03940d78dfaa151208580c3619a93dab0bf492667d15eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2b92ae9c54b79c95f03940d78dfaa151208580c3619a93dab0bf492667d15eb", kill_on_drop: false }`
[INFO] [stdout] f2b92ae9c54b79c95f03940d78dfaa151208580c3619a93dab0bf492667d15eb