[INFO] fetching crate blockless-car 0.3.2... [INFO] testing blockless-car-0.3.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate blockless-car 0.3.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate blockless-car 0.3.2 [INFO] finished tweaking crates.io crate blockless-car 0.3.2 [INFO] tweaked toml for crates.io crate blockless-car 0.3.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate blockless-car 0.3.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate blockless-car 0.3.2 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d58ac5e7da9c8df112c411210f464aa9e65afc0a4553f756e4b7d2a50e8e9d0 [INFO] running `Command { std: "docker" "start" "-a" "5d58ac5e7da9c8df112c411210f464aa9e65afc0a4553f756e4b7d2a50e8e9d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d58ac5e7da9c8df112c411210f464aa9e65afc0a4553f756e4b7d2a50e8e9d0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d58ac5e7da9c8df112c411210f464aa9e65afc0a4553f756e4b7d2a50e8e9d0", kill_on_drop: false }` [INFO] [stdout] 5d58ac5e7da9c8df112c411210f464aa9e65afc0a4553f756e4b7d2a50e8e9d0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a68dec24d16b2cf876e209d850ec2e7ea17d1e62110a67cc4c117ba9bed02ac0 [INFO] running `Command { std: "docker" "start" "-a" "a68dec24d16b2cf876e209d850ec2e7ea17d1e62110a67cc4c117ba9bed02ac0", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.82 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling cc v1.0.97 [INFO] [stderr] Compiling unicode-xid v0.2.4 [INFO] [stderr] Compiling serde v1.0.201 [INFO] [stderr] Compiling memchr v2.7.2 [INFO] [stderr] Compiling thiserror v1.0.60 [INFO] [stderr] Compiling arrayref v0.3.7 [INFO] [stderr] Compiling constant_time_eq v0.3.0 [INFO] [stderr] Compiling arrayvec v0.7.4 [INFO] [stderr] Compiling data-encoding v2.6.0 [INFO] [stderr] Compiling keccak v0.1.5 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling crypto-common v0.1.6 [INFO] [stderr] Compiling cpufeatures v0.2.12 [INFO] [stderr] Compiling digest v0.10.7 [INFO] [stderr] Compiling anyhow v1.0.83 [INFO] [stderr] Compiling unsigned-varint v0.7.2 [INFO] [stderr] Compiling base-x v0.2.11 [INFO] [stderr] Compiling sha3 v0.10.8 [INFO] [stderr] Compiling sha2 v0.10.8 [INFO] [stderr] Compiling blake2s_simd v1.0.2 [INFO] [stderr] Compiling blake2b_simd v1.0.2 [INFO] [stderr] Compiling libc v0.2.154 [INFO] [stderr] Compiling gimli v0.28.1 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling serde_json v1.0.117 [INFO] [stderr] Compiling miniz_oxide v0.7.2 [INFO] [stderr] Compiling itoa v1.0.11 [INFO] [stderr] Compiling core2 v0.4.0 [INFO] [stderr] Compiling object v0.32.2 [INFO] [stderr] Compiling ryu v1.0.18 [INFO] [stderr] Compiling rustc-demangle v0.1.24 [INFO] [stderr] Compiling quick-protobuf v0.8.1 [INFO] [stderr] Compiling bytes v1.6.0 [INFO] [stderr] Compiling unsigned-varint v0.2.3 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling quote v1.0.36 [INFO] [stderr] Compiling integer-encoding v4.0.0 [INFO] [stderr] Compiling syn v2.0.61 [INFO] [stderr] Compiling blake3 v1.5.1 [INFO] [stderr] Compiling backtrace v0.3.71 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling addr2line v0.21.0 [INFO] [stderr] Compiling thiserror-impl v1.0.60 [INFO] [stderr] Compiling serde_derive v1.0.201 [INFO] [stderr] Compiling toml v0.5.11 [INFO] [stderr] Compiling data-encoding-macro-internal v0.1.13 [INFO] [stderr] Compiling data-encoding-macro v0.1.15 [INFO] [stderr] Compiling multibase v0.9.1 [INFO] [stderr] Compiling proc-macro-crate v1.1.3 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling multihash-derive v0.8.1 [INFO] [stderr] Compiling libipld-cbor-derive v0.16.0 [INFO] [stderr] Compiling multihash v0.18.1 [INFO] [stderr] Compiling cid v0.10.1 [INFO] [stderr] Compiling multicodec v0.1.0 [INFO] [stderr] Compiling libipld-core v0.16.0 [INFO] [stderr] Compiling libipld-pb v0.16.0 [INFO] [stderr] Compiling libipld-cbor v0.16.0 [INFO] [stderr] Compiling libipld-macro v0.16.0 [INFO] [stderr] Compiling libipld-json v0.16.0 [INFO] [stderr] Compiling libipld v0.16.0 [INFO] [stderr] Compiling blockless-car v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] error: this function depends on never type fallback being `()` [INFO] [stdout] --> src/header/header_v1.rs:3:48 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq, Eq, Default, ipld::DagCbor)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in Rust 2024 and in a future release in all editions! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = help: specify the types explicitly [INFO] [stdout] note: in edition 2024, the requirement `!: Decode` will fail [INFO] [stdout] --> src/header/header_v1.rs:3:48 [INFO] [stdout] | [INFO] [stdout] 3 | #[derive(Debug, Clone, PartialEq, Eq, Default, ipld::DagCbor)] [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] = note: `#[deny(dependency_on_unit_never_type_fallback)]` (part of `#[deny(rust_2024_compatibility)]`) on by default [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] warning: struct `Metadata` is never constructed [INFO] [stdout] --> src/pb/unixfs.rs:164:12 [INFO] [stdout] | [INFO] [stdout] 164 | pub struct Metadata<'a> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `blockless-car` (lib) due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "a68dec24d16b2cf876e209d850ec2e7ea17d1e62110a67cc4c117ba9bed02ac0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a68dec24d16b2cf876e209d850ec2e7ea17d1e62110a67cc4c117ba9bed02ac0", kill_on_drop: false }` [INFO] [stdout] a68dec24d16b2cf876e209d850ec2e7ea17d1e62110a67cc4c117ba9bed02ac0