[INFO] cloning repository https://github.com/Gradient-hackathon/merkle-airdrop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Gradient-hackathon/merkle-airdrop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGradient-hackathon%2Fmerkle-airdrop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGradient-hackathon%2Fmerkle-airdrop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bedf5066786d9bd2829aadc0efe3ea899cbd1eb2
[INFO] documenting Gradient-hackathon/merkle-airdrop against 1.100.0-beta.1 for beta-rustdoc-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGradient-hackathon%2Fmerkle-airdrop" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/Gradient-hackathon/merkle-airdrop
[INFO] finished tweaking git repo https://github.com/Gradient-hackathon/merkle-airdrop
[INFO] tweaked toml for git repo https://github.com/Gradient-hackathon/merkle-airdrop written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Gradient-hackathon/merkle-airdrop on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Gradient-hackathon/merkle-airdrop 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485
[INFO] running `Command { std: "docker" "start" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling hashbrown v0.15.3
[INFO] [stderr]    Compiling winnow v0.7.10
[INFO] [stderr]    Compiling toml_write v0.1.1
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling zerocopy v0.8.25
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling crunchy v0.2.3
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling prettyplease v0.2.32
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]     Checking smallvec v1.15.0
[INFO] [stderr]    Compiling ref-cast v1.0.24
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling parity-scale-codec v3.7.5
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling indexmap v2.9.0
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]     Checking time-core v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]    Compiling cc v1.2.22
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling const_format_proc_macros v0.2.34
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking ff v0.13.1
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking base64ct v1.7.3
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking tinyvec v1.9.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking sp-std v14.0.0
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking dyn-clone v1.0.19
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]     Checking const_format v0.2.34
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking uint v0.10.0
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking memory-db v0.32.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking schnellru v0.2.4
[INFO] [stderr]     Checking adler2 v2.0.0
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking integer-sqrt v0.1.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking impl-num-traits v0.2.0
[INFO] [stderr]     Checking rustc-demangle v0.1.24
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking trie-db v0.29.1
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling libsecp256k1 v0.7.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking trie-db v0.30.0
[INFO] [stderr]    Compiling sp-io v39.0.1
[INFO] [stderr]    Compiling sp-io v40.0.1
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trie-db-0.29.1/src/node.rs:222:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     .collect::<Result<_, _, _>>()?;
[INFO] [stdout]     |                      -------   ^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `!: FromIterator<()>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout]     = note: required for `Result<!, Box<TrieError<<<L as TrieLayout>::Hash as Hasher>::Out, _>>>` to implement `FromIterator<Result<(), Box<TrieError<<_ as Hasher>::Out, _>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/iter/traits/iterator.rs:2087:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/trie-db/1e9e2d0cf883a204/out/trie_db-1e9e2d0cf883a204.long-type-5187360788935144757.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trie-db-0.29.1/src/node.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |                     .collect::<Result<_, _, _>>()?;
[INFO] [stdout]     |                      -------   ^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `!: FromIterator<()>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout]     = note: required for `Result<!, Box<TrieError<<<L as TrieLayout>::Hash as Hasher>::Out, _>>>` to implement `FromIterator<Result<(), Box<TrieError<<_ as Hasher>::Out, _>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/iter/traits/iterator.rs:2087:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/trie-db/1e9e2d0cf883a204/out/trie_db-1e9e2d0cf883a204.long-type-5187360788935144757.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking parity-wasm v0.45.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const-random-macro v0.1.16
[INFO] [stderr]     Checking fixed-hash v0.8.0
[INFO] [stderr]     Checking getrandom_or_panic v0.0.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trie-db-0.30.0/src/node.rs:231:18
[INFO] [stdout]     |
[INFO] [stdout] 231 |                         .collect::<Result<_, _, _>>()?;
[INFO] [stdout]     |                          -------   ^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `!: FromIterator<()>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout]     = note: required for `Result<!, Box<TrieError<<<L as TrieLayout>::Hash as Hasher>::Out, _>>>` to implement `FromIterator<Result<(), Box<TrieError<<_ as Hasher>::Out, _>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/iter/traits/iterator.rs:2087:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/trie-db/6d5e139730dd758e/out/trie_db-6d5e139730dd758e.long-type-7760134597112579205.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: a value of type `!` cannot be built from an iterator over elements of type `()`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/trie-db-0.30.0/src/node.rs:259:18
[INFO] [stdout]     |
[INFO] [stdout] 259 |                         .collect::<Result<_, _, _>>()?;
[INFO] [stdout]     |                          -------   ^^^^^^^^^^^^^^^ value of type `!` cannot be built from `std::iter::Iterator<Item=()>`
[INFO] [stdout]     |                          |
[INFO] [stdout]     |                          required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `FromIterator<()>` is not implemented for `!`
[INFO] [stdout] help: the trait `FromIterator<std::result::Result<T, E>>` is conditionally implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/result.rs:2114:14
[INFO] [stdout]     |
[INFO] [stdout]     = note: unsatisfied requirement introduced here: `!: FromIterator<()>`
[INFO] [stdout]     = note: this error might have been caused by changes to Rust's type-inference algorithm (see issue #148922 <https://github.com/rust-lang/rust/issues/148922> for more information)
[INFO] [stdout]     = help: you might have intended to use the type `()` here instead
[INFO] [stdout]     = note: required for `Result<!, Box<TrieError<<<L as TrieLayout>::Hash as Hasher>::Out, _>>>` to implement `FromIterator<Result<(), Box<TrieError<<_ as Hasher>::Out, _>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/e3feeb59cd1bdd011a2bfcc0747b55125d9b8527/library/core/src/iter/traits/iterator.rs:2087:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/build/trie-db/6d5e139730dd758e/out/trie_db-6d5e139730dd758e.long-type-7760134597112579205.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling const-random v0.1.18
[INFO] [stderr]    Compiling cfg-expr v0.15.8
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stderr]    Compiling include_dir_macros v0.7.4
[INFO] [stderr]     Checking tt-call v1.0.9
[INFO] [stderr]    Compiling sp-io v36.0.0
[INFO] [stderr]    Compiling include_dir v0.7.4
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trie-db` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `trie-db` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485", kill_on_drop: false }`
[INFO] [stdout] 521ba9282be8a06bb8ae76baa327c784e464851892cc73d75049a905af1c1485
