[INFO] fetching crate minicbor-serde 0.6.1...
[INFO] testing minicbor-serde-0.6.1 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate minicbor-serde 0.6.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate minicbor-serde 0.6.1
[INFO] finished tweaking crates.io crate minicbor-serde 0.6.1
[INFO] tweaked toml for crates.io crate minicbor-serde 0.6.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate minicbor-serde 0.6.1 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 minicbor-serde 0.6.1 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8d753febbfaf55c3a602a91ade7608edcbf2be59d74e1c1c0494cc6a460a34
[INFO] running `Command { std: "docker" "start" "-a" "8a8d753febbfaf55c3a602a91ade7608edcbf2be59d74e1c1c0494cc6a460a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8d753febbfaf55c3a602a91ade7608edcbf2be59d74e1c1c0494cc6a460a34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8d753febbfaf55c3a602a91ade7608edcbf2be59d74e1c1c0494cc6a460a34", kill_on_drop: false }`
[INFO] [stdout] 8a8d753febbfaf55c3a602a91ade7608edcbf2be59d74e1c1c0494cc6a460a34
[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=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] 80274fb9303d33e8d35352d389138639ef9791e532d98a40ce6aaee1fddd4817
[INFO] running `Command { std: "docker" "start" "-a" "80274fb9303d33e8d35352d389138639ef9791e532d98a40ce6aaee1fddd4817", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling minicbor v2.1.1
[INFO] [stderr]    Compiling minicbor-serde v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `Command { std: "docker" "inspect" "80274fb9303d33e8d35352d389138639ef9791e532d98a40ce6aaee1fddd4817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80274fb9303d33e8d35352d389138639ef9791e532d98a40ce6aaee1fddd4817", kill_on_drop: false }`
[INFO] [stdout] 80274fb9303d33e8d35352d389138639ef9791e532d98a40ce6aaee1fddd4817
[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=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] 56d94fbaa315076f0f15a0ae43dc0ddce5c832dfdb854df8370b9f4a05a4d16a
[INFO] running `Command { std: "docker" "start" "-a" "56d94fbaa315076f0f15a0ae43dc0ddce5c832dfdb854df8370b9f4a05a4d16a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling minicbor-serde v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.43s
[INFO] running `Command { std: "docker" "inspect" "56d94fbaa315076f0f15a0ae43dc0ddce5c832dfdb854df8370b9f4a05a4d16a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d94fbaa315076f0f15a0ae43dc0ddce5c832dfdb854df8370b9f4a05a4d16a", kill_on_drop: false }`
[INFO] [stdout] 56d94fbaa315076f0f15a0ae43dc0ddce5c832dfdb854df8370b9f4a05a4d16a
[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=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", kill_on_drop: false }`
[INFO] [stdout] 1b7d0b9b47a2cdeb95a2f634ac2f69fd68b60db002d7c32edc4e2ad9fd02f651
[INFO] running `Command { std: "docker" "start" "-a" "1b7d0b9b47a2cdeb95a2f634ac2f69fd68b60db002d7c32edc4e2ad9fd02f651", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/minicbor_serde-a3ec1e3484518947)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests minicbor_serde
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 11) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 11) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `to_vec` in crate `minicbor_serde`
[INFO] [stdout]   --> src/lib.rs:22:28
[INFO] [stdout]    |
[INFO] [stdout] 14 | let cbor = minicbor_serde::to_vec(&s1)?;
[INFO] [stdout]    |                            ^^^^^^ not found in `minicbor_serde`
[INFO] [stdout]    |
[INFO] [stdout] note: found an item that was configured out
[INFO] [stdout]   --> /opt/rustwide/workdir/src/lib.rs:54:14
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[cfg(feature = "alloc")]
[INFO] [stdout]    |       ----------------- the item is gated behind the `alloc` feature
[INFO] [stdout] 54 | pub use ser::to_vec;
[INFO] [stdout]    |              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<_>: minicbor::encode::write::Write` is not satisfied
[INFO] [stdout]   --> src/lib.rs:28:52
[INFO] [stdout]    |
[INFO] [stdout] 20 | let mut ser = minicbor_serde::Serializer::new(&mut buf);
[INFO] [stdout]    |               -------------------------------      ^^^ the trait `minicbor::encode::write::Write` is not implemented for `Vec<_>`
[INFO] [stdout]    |               |
[INFO] [stdout]    |               required by a bound introduced by this call
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `minicbor::encode::write::Write`:
[INFO] [stdout]              &mut W
[INFO] [stdout]              &mut [u8]
[INFO] [stdout]              minicbor::encode::write::Cursor<&mut [u8]>
[INFO] [stdout]              minicbor::encode::write::Cursor<[u8; N]>
[INFO] [stdout]    = note: required for `&mut Vec<_>` to implement `minicbor::encode::write::Write`
[INFO] [stdout] note: required by a bound in `minicbor_serde::Serializer::<W>::new`
[INFO] [stdout]   --> /opt/rustwide/workdir/src/ser.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl<W: Write> Serializer<W> {
[INFO] [stdout]    |         ^^^^^ required by this bound in `Serializer::<W>::new`
[INFO] [stdout] 27 |     pub fn new(w: W) -> Self {
[INFO] [stdout]    |            --- required by a bound in this associated function
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `Vec<_>: minicbor::encode::write::Write` is not satisfied
[INFO] [stdout]   --> src/lib.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | s1.serialize(&mut ser)?;
[INFO] [stdout]    |    ^^^^^^^^^ the trait `minicbor::encode::write::Write` is not implemented for `Vec<_>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the following other types implement trait `minicbor::encode::write::Write`:
[INFO] [stdout]              &mut W
[INFO] [stdout]              &mut [u8]
[INFO] [stdout]              minicbor::encode::write::Cursor<&mut [u8]>
[INFO] [stdout]              minicbor::encode::write::Cursor<[u8; N]>
[INFO] [stdout]    = note: required for `&mut Vec<_>` to implement `minicbor::encode::write::Write`
[INFO] [stdout]    = note: required for `&mut minicbor_serde::Serializer<&mut Vec<_>>` to implement `_doctest_main_src_lib_rs_11_0::_::_serde::Serializer`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0425.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 11)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.12s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.26s; merged doctests compilation took 0.14s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "1b7d0b9b47a2cdeb95a2f634ac2f69fd68b60db002d7c32edc4e2ad9fd02f651", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b7d0b9b47a2cdeb95a2f634ac2f69fd68b60db002d7c32edc4e2ad9fd02f651", kill_on_drop: false }`
[INFO] [stdout] 1b7d0b9b47a2cdeb95a2f634ac2f69fd68b60db002d7c32edc4e2ad9fd02f651
