[INFO] cloning repository https://github.com/soft-law/Ip_pallet
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/soft-law/Ip_pallet" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoft-law%2FIp_pallet", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoft-law%2FIp_pallet'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 74f1a2ce30c8308bcb9261acfa44819133ca6edb
[INFO] checking soft-law/Ip_pallet against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-no-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsoft-law%2FIp_pallet" "/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/soft-law/Ip_pallet
[INFO] finished tweaking git repo https://github.com/soft-law/Ip_pallet
[INFO] tweaked toml for git repo https://github.com/soft-law/Ip_pallet written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/soft-law/Ip_pallet on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/soft-law/Ip_pallet 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb4da50f3787633a41b5ebe6aa0a916825da505b8cdb490050d3a58ce795f011
[INFO] running `Command { std: "docker" "start" "-a" "bb4da50f3787633a41b5ebe6aa0a916825da505b8cdb490050d3a58ce795f011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb4da50f3787633a41b5ebe6aa0a916825da505b8cdb490050d3a58ce795f011", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4da50f3787633a41b5ebe6aa0a916825da505b8cdb490050d3a58ce795f011", kill_on_drop: false }`
[INFO] [stdout] bb4da50f3787633a41b5ebe6aa0a916825da505b8cdb490050d3a58ce795f011
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a22046908a372bbd3f31fcbc72a533fcf0e1d6922ba3d6e6bf47aefad095a75
[INFO] running `Command { std: "docker" "start" "-a" "0a22046908a372bbd3f31fcbc72a533fcf0e1d6922ba3d6e6bf47aefad095a75", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.88
[INFO] [stderr]    Compiling libc v0.2.161
[INFO] [stderr]    Compiling serde v1.0.210
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking const-oid v0.9.6
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]     Checking bytes v1.7.2
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling prettyplease v0.2.24
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling fs-err v2.11.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling curve25519-dalek v4.1.3
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling expander v2.2.1
[INFO] [stderr]     Checking regex-automata v0.4.8
[INFO] [stderr]    Compiling libsecp256k1-core v0.3.0
[INFO] [stderr]    Compiling syn v2.0.81
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling file-guard v0.2.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling serde_json v1.0.132
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]    Compiling ref-cast v1.0.23
[INFO] [stderr]     Checking base16ct v0.2.0
[INFO] [stderr]    Compiling cc v1.1.31
[INFO] [stderr]     Checking ff v0.13.0
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling bitcoin-internals v0.2.0
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking time v0.3.36
[INFO] [stderr]    Compiling secp256k1-sys v0.9.2
[INFO] [stderr]     Checking regex v1.11.0
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling libsecp256k1-gen-genmult v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling libsecp256k1-gen-ecmult v0.3.0
[INFO] [stderr]     Checking group v0.13.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking hash-db v0.16.0
[INFO] [stderr]     Checking sp-std v14.0.0
[INFO] [stderr]    Compiling libsecp256k1 v0.7.1
[INFO] [stderr]     Checking uint v0.9.5
[INFO] [stderr]     Checking password-hash v0.5.0
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking allocator-api2 v0.2.18
[INFO] [stderr]     Checking hex-conservative v0.1.2
[INFO] [stderr]     Checking environmental v1.1.4
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking blake2b_simd v1.0.2
[INFO] [stderr]     Checking bitcoin_hashes v0.13.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking num-format v0.4.4
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking dyn-clone v1.0.17
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]     Checking itertools v0.11.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking hash256-std-hasher v0.15.2
[INFO] [stderr]     Checking bs58 v0.5.1
[INFO] [stderr]     Checking array-bytes v6.2.3
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]     Checking miniz_oxide v0.8.0
[INFO] [stderr]     Checking object v0.36.5
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking trie-db v0.29.1
[INFO] [stderr]     Checking trie-root v0.18.0
[INFO] [stderr]     Checking memory-db v0.32.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[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<A, E>>` is implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/5ec4d3b0c83717313176eefa7d71e9d36dc83355/library/core/src/result.rs:2109:0
[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<<... as Hasher>::Out, ...>>>` to implement `FromIterator<Result<(), Box<TrieError<<... as Hasher>::Out, ...>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/5ec4d3b0c83717313176eefa7d71e9d36dc83355/library/core/src/iter/traits/iterator.rs:2079:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/trie_db-1ae70823446bf352.long-type-5820438207099529926.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<A, E>>` is implemented for `std::result::Result<V, E>`
[INFO] [stdout]    --> /rustc/5ec4d3b0c83717313176eefa7d71e9d36dc83355/library/core/src/result.rs:2109:0
[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<<... as Hasher>::Out, ...>>>` to implement `FromIterator<Result<(), Box<TrieError<<... as Hasher>::Out, ...>>>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/5ec4d3b0c83717313176eefa7d71e9d36dc83355/library/core/src/iter/traits/iterator.rs:2079:4
[INFO] [stdout]     = note: the full name for the type has been written to '/opt/rustwide/target/debug/deps/trie_db-1ae70823446bf352.long-type-5820438207099529926.txt'
[INFO] [stdout]     = note: consider using `--verbose` to print the full type name to the console
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling common-path v1.0.0
[INFO] [stderr]    Compiling sp-io v37.0.0
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.2
[INFO] [stderr]    Compiling dyn-clonable-impl v0.9.0
[INFO] [stderr]     Checking secp256k1 v0.28.2
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]     Checking dyn-clonable v0.9.0
[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" "0a22046908a372bbd3f31fcbc72a533fcf0e1d6922ba3d6e6bf47aefad095a75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a22046908a372bbd3f31fcbc72a533fcf0e1d6922ba3d6e6bf47aefad095a75", kill_on_drop: false }`
[INFO] [stdout] 0a22046908a372bbd3f31fcbc72a533fcf0e1d6922ba3d6e6bf47aefad095a75
