[INFO] cloning repository https://github.com/obrienalaribe/xcm-exercise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/obrienalaribe/xcm-exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobrienalaribe%2Fxcm-exercise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobrienalaribe%2Fxcm-exercise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8c8e4ce023fb1b2bc111e15807b6675a084dc2af
[INFO] testing obrienalaribe/xcm-exercise against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fobrienalaribe%2Fxcm-exercise" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/obrienalaribe/xcm-exercise
[INFO] finished tweaking git repo https://github.com/obrienalaribe/xcm-exercise
[INFO] tweaked toml for git repo https://github.com/obrienalaribe/xcm-exercise written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/obrienalaribe/xcm-exercise 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/obrienalaribe/xcm-exercise 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] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13
[INFO] running `Command { std: "docker" "start" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13", 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" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13" "/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" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13", 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" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling serde_derive v1.0.152
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[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling wyz v0.5.1
[INFO] [stderr]    Compiling funty v2.0.0
[INFO] [stderr]    Compiling num-integer v0.1.45
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[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling target-lexicon v0.12.5
[INFO] [stderr]    Compiling io-lifetimes v0.7.5
[INFO] [stderr]    Compiling gimli v0.26.2
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[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling rustix v0.35.13
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[INFO] [stderr]    Compiling wasmtime-runtime v1.0.2
[INFO] [stderr]    Compiling generic-array v0.12.4
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling bitvec v1.0.1
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling tracing-core v0.1.30
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling cpp_demangle v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.25
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[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling wasmtime-asm-macros v1.0.2
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[INFO] [stderr]    Compiling futures-channel v0.3.25
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[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling hmac v0.12.1
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling wasmtime v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling parity-wasm v0.45.0
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.23
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]    Compiling wasmi_core v0.2.1
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tracing-log v0.1.3
[INFO] [stderr]    Compiling secp256k1-sys v0.6.1
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling crypto-mac v0.8.0
[INFO] [stderr]    Compiling crypto-mac v0.11.1
[INFO] [stderr]    Compiling thread_local v1.1.4
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling opaque-debug v0.2.3
[INFO] [stderr]    Compiling hash-db v0.15.2
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling wasmi-validation v0.5.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling hmac v0.8.1
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]    Compiling fixed-hash v0.8.0
[INFO] [stderr]    Compiling uint v0.9.5
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling environmental v1.1.4
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling wasmi v0.13.2
[INFO] [stderr]    Compiling hmac-drbg v0.3.0
[INFO] [stderr]    Compiling pbkdf2 v0.8.0
[INFO] [stderr]    Compiling hmac v0.11.0
[INFO] [stderr]    Compiling twox-hash v1.6.3
[INFO] [stderr]    Compiling sha3 v0.10.6
[INFO] [stderr]    Compiling num-format v0.4.4
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling pbkdf2 v0.11.0
[INFO] [stderr]    Compiling dyn-clone v1.0.10
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling sp-core-hashing v5.0.0 (https://github.com/paritytech/substrate?branch=polkadot-v0.9.37#946507ba)
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling hash256-std-hasher v0.15.2
[INFO] [stderr]    Compiling base58 v0.2.0
[INFO] [stderr]    Compiling array-bytes v4.2.0
[INFO] [stderr]    Compiling signature v1.6.4
[INFO] [stderr]    Compiling backtrace v0.3.67
[INFO] [stderr]    Compiling gimli v0.27.1
[INFO] [stderr]    Compiling miniz_oxide v0.6.2
[INFO] [stderr]    Compiling object v0.30.3
[INFO] [stderr]    Compiling async-trait v0.1.63
[INFO] [stderr]    Compiling memory-db v0.31.0
[INFO] [stderr]    Compiling trie-db v0.24.0
[INFO] [stderr]    Compiling trie-root v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling lru v0.8.1
[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-0.24.0/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/release/build/trie-db/32e7aec618f75898/out/trie_db-32e7aec618f75898.long-type-9460645360706980393.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-0.24.0/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/release/build/trie-db/32e7aec618f75898/out/trie_db-32e7aec618f75898.long-type-9460645360706980393.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling nohash-hasher v0.2.0
[INFO] [stderr]    Compiling ed25519 v1.5.3
[INFO] [stderr]    Compiling integer-sqrt v0.1.5
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling const-oid v0.9.1
[INFO] [stderr]    Compiling base64ct v1.5.3
[INFO] [stderr]    Compiling ff v0.12.1
[INFO] [stderr]    Compiling base16ct v0.1.1
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling group v0.12.1
[INFO] [stderr]    Compiling tt-call v1.0.9
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling bs58 v0.4.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling cfg-expr v0.10.3
[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] running `Command { std: "docker" "inspect" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13", kill_on_drop: false }`
[INFO] [stdout] c2ece0b6b4dd777b8e87cccbe029bb2f5211a7db947d1252d56832593b400d13
