[INFO] cloning repository https://github.com/metanear/chatbot-contract-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/metanear/chatbot-contract-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetanear%2Fchatbot-contract-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetanear%2Fchatbot-contract-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7c7c8bcba77425722afb800dbbeb4d47256a7e81
[INFO] checking metanear/chatbot-contract-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetanear%2Fchatbot-contract-rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/metanear/chatbot-contract-rs 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/metanear/chatbot-contract-rs
[INFO] finished tweaking git repo https://github.com/metanear/chatbot-contract-rs
[INFO] tweaked toml for git repo https://github.com/metanear/chatbot-contract-rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/metanear/chatbot-contract-rs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded near-vm-logic v0.6.1
[INFO] [stderr]   Downloaded borsh-derive-internal v0.6.1
[INFO] [stderr]   Downloaded borsh-derive v0.6.1
[INFO] [stderr]   Downloaded borsh-schema-derive-internal v0.6.1
[INFO] [stderr]   Downloaded near-sdk-core v0.6.3
[INFO] [stderr]   Downloaded near-sdk-macros v0.6.3
[INFO] [stderr]   Downloaded near-runtime-fees v0.6.1
[INFO] [stderr]   Downloaded borsh v0.6.1
[INFO] [stderr]   Downloaded near-sdk v0.6.3
[INFO] [stderr]   Downloaded near-vm-errors v0.6.1
[INFO] [stderr]   Downloaded serde_json v1.0.46
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 65c03547cde00f0ad78ef492d69a10f982fb1f7e63306514b6f7240671c6aafc
[INFO] running `Command { std: "docker" "start" "-a" "65c03547cde00f0ad78ef492d69a10f982fb1f7e63306514b6f7240671c6aafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65c03547cde00f0ad78ef492d69a10f982fb1f7e63306514b6f7240671c6aafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c03547cde00f0ad78ef492d69a10f982fb1f7e63306514b6f7240671c6aafc", kill_on_drop: false }`
[INFO] [stdout] 65c03547cde00f0ad78ef492d69a10f982fb1f7e63306514b6f7240671c6aafc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1115ea4d73bcddffbdf4a1c663d821f0438823f6cef1ae92082329b491fcf9c2
[INFO] running `Command { std: "docker" "start" "-a" "1115ea4d73bcddffbdf4a1c663d821f0438823f6cef1ae92082329b491fcf9c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling borsh-schema-derive-internal v0.6.1
[INFO] [stderr]    Compiling borsh-derive-internal v0.6.1
[INFO] [stderr]    Compiling near-sdk-core v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling borsh-derive v0.6.1
[INFO] [stderr]    Compiling near-sdk-macros v0.6.3
[INFO] [stderr]     Checking borsh v0.6.1
[INFO] [stderr]     Checking near-runtime-fees v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.46
[INFO] [stderr]    Compiling near-rpc-error-core v0.1.0
[INFO] [stderr]    Compiling near-rpc-error-macro v0.1.0
[INFO] [stderr]     Checking near-vm-errors v0.6.1
[INFO] [stderr]     Checking near-vm-logic v0.6.1
[INFO] [stderr]     Checking near-sdk v0.6.3
[INFO] [stderr]     Checking metanear-chatbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.06s
[INFO] running `Command { std: "docker" "inspect" "1115ea4d73bcddffbdf4a1c663d821f0438823f6cef1ae92082329b491fcf9c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1115ea4d73bcddffbdf4a1c663d821f0438823f6cef1ae92082329b491fcf9c2", kill_on_drop: false }`
[INFO] [stdout] 1115ea4d73bcddffbdf4a1c663d821f0438823f6cef1ae92082329b491fcf9c2
[INFO] checking metanear/chatbot-contract-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmetanear%2Fchatbot-contract-rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/metanear/chatbot-contract-rs on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/metanear/chatbot-contract-rs
[INFO] finished tweaking git repo https://github.com/metanear/chatbot-contract-rs
[INFO] tweaked toml for git repo https://github.com/metanear/chatbot-contract-rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/metanear/chatbot-contract-rs 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01652cf1cabd39daa94ae5fb9558c94b4cb43b1c15ce3d17a5e44c68d30a61ea
[INFO] running `Command { std: "docker" "start" "-a" "01652cf1cabd39daa94ae5fb9558c94b4cb43b1c15ce3d17a5e44c68d30a61ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01652cf1cabd39daa94ae5fb9558c94b4cb43b1c15ce3d17a5e44c68d30a61ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01652cf1cabd39daa94ae5fb9558c94b4cb43b1c15ce3d17a5e44c68d30a61ea", kill_on_drop: false }`
[INFO] [stdout] 01652cf1cabd39daa94ae5fb9558c94b4cb43b1c15ce3d17a5e44c68d30a61ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9b42bffd99b4bc50e27970e9a1c23b44bcdf9d406e20921a49b30b6d2389d3a4
[INFO] running `Command { std: "docker" "start" "-a" "9b42bffd99b4bc50e27970e9a1c23b44bcdf9d406e20921a49b30b6d2389d3a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking bs58 v0.3.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling regex v1.3.1
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/regex-1.3.1/src/exec.rs:838:13
[INFO] [stdout]     |
[INFO] [stdout] 838 | /             match dfa::Fsm::reverse(
[INFO] [stdout] 839 | |                 &self.ro.dfa_reverse,
[INFO] [stdout] 840 | |                 self.cache.value(),
[INFO] [stdout] 841 | |                 false,
[INFO] [stdout] ...   |
[INFO] [stdout] 852 | |                 Quit => return Some(Quit),
[INFO] [stdout] 853 | |             };
[INFO] [stdout]     | |_____________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "9b42bffd99b4bc50e27970e9a1c23b44bcdf9d406e20921a49b30b6d2389d3a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b42bffd99b4bc50e27970e9a1c23b44bcdf9d406e20921a49b30b6d2389d3a4", kill_on_drop: false }`
[INFO] [stdout] 9b42bffd99b4bc50e27970e9a1c23b44bcdf9d406e20921a49b30b6d2389d3a4