[INFO] fetching crate rust-car 0.1.4...
[INFO] testing rust-car-0.1.4 against 1.100.0-beta.1 for beta-1.100-4
[INFO] extracting crate rust-car 0.1.4 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate rust-car 0.1.4
[INFO] finished tweaking crates.io crate rust-car 0.1.4
[INFO] tweaked toml for crates.io crate rust-car 0.1.4 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rust-car 0.1.4 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 crates.io crate rust-car 0.1.4 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-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f
[INFO] running `Command { std: "docker" "start" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f", 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" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f" "/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" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f", 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" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling cc v1.0.78
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling data-encoding v2.3.3
[INFO] [stderr]    Compiling constant_time_eq v0.1.5
[INFO] [stderr]    Compiling keccak v0.1.3
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling constant_time_eq v0.2.4
[INFO] [stderr]    Compiling core2 v0.4.0
[INFO] [stderr]    Compiling blake2s_simd v1.0.0
[INFO] [stderr]    Compiling blake2b_simd v1.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling blake3 v1.3.3
[INFO] [stderr]    Compiling unsigned-varint v0.7.1
[INFO] [stderr]    Compiling base-x v0.2.11
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]    Compiling digest v0.10.6
[INFO] [stderr]    Compiling sha3 v0.10.6
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling bytes v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling quick-protobuf v0.8.1
[INFO] [stderr]    Compiling integer-encoding v3.0.4
[INFO] [stderr]    Compiling path-dedot v3.0.18
[INFO] [stderr]    Compiling path-absolutize v3.0.14
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling prost-derive v0.11.6
[INFO] [stderr]    Compiling data-encoding-macro v0.1.12
[INFO] [stderr]    Compiling multibase v0.9.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.3
[INFO] [stderr]    Compiling multihash-derive v0.8.1
[INFO] [stderr]    Compiling libipld-cbor-derive v0.15.0
[INFO] [stderr]    Compiling prost v0.11.6
[INFO] [stderr]    Compiling multihash v0.17.0
[INFO] [stderr]    Compiling cid v0.9.0
[INFO] [stderr]    Compiling libipld-core v0.15.0
[INFO] [stderr]    Compiling libipld-pb v0.15.0
[INFO] [stderr]    Compiling libipld-cbor v0.15.0
[INFO] [stderr]    Compiling libipld-macro v0.15.0
[INFO] [stderr]    Compiling libipld-json v0.15.0
[INFO] [stderr]    Compiling libipld v0.15.0
[INFO] [stderr]    Compiling rust-car v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `!: Decode<DagCborCodec>` is not satisfied
[INFO] [stdout]  --> src/header/header_v1.rs:3:48
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq, Eq, Default, ipld::DagCbor)]
[INFO] [stdout]   |                                                ^^^^^^^^^^^^^ the trait `Decode<DagCborCodec>` is not implemented for `!`
[INFO] [stdout]   |
[INFO] [stdout]   = help: the following other types implement trait `Decode<C>`:
[INFO] [stdout]             ()
[INFO] [stdout]             (A,)
[INFO] [stdout]             (A, B)
[INFO] [stdout]             (A, B, C)
[INFO] [stdout]             (A, B, C, D)
[INFO] [stdout]             Arc<T>
[INFO] [stdout]             BTreeMap<K, T>
[INFO] [stdout]             Box<[u8]>
[INFO] [stdout]           and 19 others
[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: this error originates in the derive macro `ipld::DagCbor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-car` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f", kill_on_drop: false }`
[INFO] [stdout] 89bc76bac6af19c3c33889a389a49f926ba5c22220e228cae8d333520da66a0f
