[INFO] fetching crate liminal-ark-relations 0.4.0...
[INFO] checking liminal-ark-relations-0.4.0 against try#1bdcb63291ccffc030f8223f6f978568dd240e3e for 155501-infallible-never-with-reservation
[INFO] extracting crate liminal-ark-relations 0.4.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate liminal-ark-relations 0.4.0
[INFO] finished tweaking crates.io crate liminal-ark-relations 0.4.0
[INFO] tweaked toml for crates.io crate liminal-ark-relations 0.4.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate liminal-ark-relations 0.4.0 on toolchain 1bdcb63291ccffc030f8223f6f978568dd240e3e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 130 packages to latest compatible versions
[INFO] [stderr]       Adding ark-bls12-381 v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-crypto-primitives v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-ec v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-ed-on-bls12-381 v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-ff v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-groth16 v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-poly v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-poly-commit v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-r1cs-std v0.3.1 (available: v0.6.0)
[INFO] [stderr]       Adding ark-relations v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-serialize v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-snark v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding ark-std v0.3.0 (available: v0.6.0)
[INFO] [stderr]       Adding blake2 v0.9.2 (available: v0.10.6)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "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" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0bff7da49cbc93b1926646f0b279c0e9d44d5774edae35f4175e8a60e67c105
[INFO] running `Command { std: "docker" "start" "-a" "d0bff7da49cbc93b1926646f0b279c0e9d44d5774edae35f4175e8a60e67c105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0bff7da49cbc93b1926646f0b279c0e9d44d5774edae35f4175e8a60e67c105", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0bff7da49cbc93b1926646f0b279c0e9d44d5774edae35f4175e8a60e67c105", kill_on_drop: false }`
[INFO] [stdout] d0bff7da49cbc93b1926646f0b279c0e9d44d5774edae35f4175e8a60e67c105
[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" "+1bdcb63291ccffc030f8223f6f978568dd240e3e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3746ca233f70b94e2ba7e567db9da80384dd3d4814b8ecd5936a219a0baea9a3
[INFO] running `Command { std: "docker" "start" "-a" "3746ca233f70b94e2ba7e567db9da80384dd3d4814b8ecd5936a219a0baea9a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling generic-array v0.14.9
[INFO] [stderr]    Compiling ucd-trie v0.1.7
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling pest v2.8.6
[INFO] [stderr]     Checking rand v0.8.6
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling ahash v0.7.8
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]     Checking ark-std v0.3.0
[INFO] [stderr]     Checking crypto-mac v0.8.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking blake2 v0.9.2
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]     Checking regex-syntax v0.8.10
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking csv-core v0.1.13
[INFO] [stderr]    Compiling semver-parser v0.10.3
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking ryu v1.0.23
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]    Compiling ark-ff v0.3.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking csv v1.4.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking regex v1.12.3
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]    Compiling ark-serialize-derive v0.3.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling ark-ff-asm v0.3.0
[INFO] [stderr]    Compiling ark-ff-macros v0.3.0
[INFO] [stderr]    Compiling zeroize_derive v1.4.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.31
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking ark-serialize v0.3.0
[INFO] [stderr]     Checking zeroize v1.8.2
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling liminal-ark-relation-macro v0.1.3
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking ark-relations v0.3.0
[INFO] [stderr]     Checking ark-ec v0.3.0
[INFO] [stderr]     Checking ark-poly v0.3.0
[INFO] [stderr]     Checking liminal-ark-pnbr-poseidon-parameters v0.1.0
[INFO] [stderr]     Checking liminal-ark-pnbr-poseidon-permutation v0.1.0
[INFO] [stderr]     Checking ark-snark v0.3.0
[INFO] [stderr]     Checking ark-r1cs-std v0.3.1
[INFO] [stderr]     Checking ark-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-nonnative-field v0.3.0
[INFO] [stderr]     Checking ark-ed-on-bls12-381 v0.3.0
[INFO] [stderr]     Checking ark-crypto-primitives v0.3.0
[INFO] [stderr]     Checking ark-poly-commit v0.3.0
[INFO] [stderr]     Checking liminal-ark-pnbr-sponge v0.3.0
[INFO] [stderr]     Checking liminal-ark-poseidon v0.1.0
[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/ark-poly-commit-0.3.0/src/marlin/marlin_pst13_pc/data_structures.rs:566:24
[INFO] [stdout]     |
[INFO] [stdout] 566 |             .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<Result<A, E>>` is implemented for `Result<V, E>`
[INFO] [stdout]    --> /rustc/1bdcb63291ccffc030f8223f6f978568dd240e3e/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<!, std::io::Error>` to implement `FromIterator<Result<(), std::io::Error>>`
[INFO] [stdout] note: required by a bound in `collect`
[INFO] [stdout]    --> /rustc/1bdcb63291ccffc030f8223f6f978568dd240e3e/library/core/src/iter/traits/iterator.rs:2079:4
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ark-gm17 v0.3.0
[INFO] [stderr]     Checking ark-groth16 v0.3.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ark-poly-commit` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "3746ca233f70b94e2ba7e567db9da80384dd3d4814b8ecd5936a219a0baea9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3746ca233f70b94e2ba7e567db9da80384dd3d4814b8ecd5936a219a0baea9a3", kill_on_drop: false }`
[INFO] [stdout] 3746ca233f70b94e2ba7e567db9da80384dd3d4814b8ecd5936a219a0baea9a3
