[INFO] fetching crate memprint 0.2.0...
[INFO] testing memprint-0.2.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate memprint 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate memprint 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate memprint 0.2.0
[INFO] tweaked toml for crates.io crate memprint 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate memprint 0.2.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate memprint 0.2.0 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" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 143ad1c0fc86466f19584c3fcf55d0e8b3d7ba4caf4a7f3bf5341720b8819c4f
[INFO] running `Command { std: "docker" "start" "-a" "143ad1c0fc86466f19584c3fcf55d0e8b3d7ba4caf4a7f3bf5341720b8819c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "143ad1c0fc86466f19584c3fcf55d0e8b3d7ba4caf4a7f3bf5341720b8819c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "143ad1c0fc86466f19584c3fcf55d0e8b3d7ba4caf4a7f3bf5341720b8819c4f", kill_on_drop: false }`
[INFO] [stdout] 143ad1c0fc86466f19584c3fcf55d0e8b3d7ba4caf4a7f3bf5341720b8819c4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd333ef59d0a9e0684cf49cddd556a20c623f7dbf83003f62b536cee7120f6bc
[INFO] running `Command { std: "docker" "start" "-a" "fd333ef59d0a9e0684cf49cddd556a20c623f7dbf83003f62b536cee7120f6bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling colored v3.0.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling memprint_derive v0.1.0
[INFO] [stderr]    Compiling memprint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.51s
[INFO] running `Command { std: "docker" "inspect" "fd333ef59d0a9e0684cf49cddd556a20c623f7dbf83003f62b536cee7120f6bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd333ef59d0a9e0684cf49cddd556a20c623f7dbf83003f62b536cee7120f6bc", kill_on_drop: false }`
[INFO] [stdout] fd333ef59d0a9e0684cf49cddd556a20c623f7dbf83003f62b536cee7120f6bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54de52810bedd60ada47dfbd2ce6215c2d49b71ce9453e2763f4e9d81d0a583d
[INFO] running `Command { std: "docker" "start" "-a" "54de52810bedd60ada47dfbd2ce6215c2d49b71ce9453e2763f4e9d81d0a583d", kill_on_drop: false }`
[INFO] [stderr]    Compiling memprint v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0407]: method `get_fields` is not a member of trait `MemPrint`
[INFO] [stdout]  --> examples/dbg.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(MemPrint)]
[INFO] [stdout]   |          ^^^^^^^^ not a member of trait `MemPrint`
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `MemPrint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0046]: not all trait items implemented, missing: `data_type`
[INFO] [stdout]  --> examples/dbg.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(MemPrint)]
[INFO] [stdout]   |          ^^^^^^^^ missing `data_type` in implementation
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `MemPrint` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0046, E0407.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0046`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `memprint` (example "dbg") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "54de52810bedd60ada47dfbd2ce6215c2d49b71ce9453e2763f4e9d81d0a583d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54de52810bedd60ada47dfbd2ce6215c2d49b71ce9453e2763f4e9d81d0a583d", kill_on_drop: false }`
[INFO] [stdout] 54de52810bedd60ada47dfbd2ce6215c2d49b71ce9453e2763f4e9d81d0a583d