[INFO] fetching crate oasis-cbor 0.5.1... [INFO] checking oasis-cbor-0.5.1 against try#c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f for 2025-12-16-next-solver-global [INFO] extracting crate oasis-cbor 0.5.1 into /workspace/builds/worker-4-tc2/source [INFO] removed /workspace/builds/worker-4-tc2/source/rust-toolchain [INFO] started tweaking crates.io crate oasis-cbor 0.5.1 [INFO] finished tweaking crates.io crate oasis-cbor 0.5.1 [INFO] tweaked toml for crates.io crate oasis-cbor 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate oasis-cbor 0.5.1 on toolchain c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "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" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages to latest compatible versions [INFO] [stderr] Adding thiserror v1.0.69 (available: v2.0.17) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e073348a59ea32651f97ec6cb7bb39bf3596c3a7cdb9ad1581660a72615bc12 [INFO] running `Command { std: "docker" "start" "-a" "4e073348a59ea32651f97ec6cb7bb39bf3596c3a7cdb9ad1581660a72615bc12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e073348a59ea32651f97ec6cb7bb39bf3596c3a7cdb9ad1581660a72615bc12", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e073348a59ea32651f97ec6cb7bb39bf3596c3a7cdb9ad1581660a72615bc12", kill_on_drop: false }` [INFO] [stdout] 4e073348a59ea32651f97ec6cb7bb39bf3596c3a7cdb9ad1581660a72615bc12 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+c9557a20e5ef2e0e02c29a5fafd850d1b7cf1e4f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9b60aec799b9ab5d8f9c423c886bd81bbf09fc0f958ea6834ac8838ec774d06b [INFO] running `Command { std: "docker" "start" "-a" "9b60aec799b9ab5d8f9c423c886bd81bbf09fc0f958ea6834ac8838ec774d06b", kill_on_drop: false }` [INFO] [stderr] Compiling toml_datetime v0.6.11 [INFO] [stderr] Compiling oasis-cbor-value v0.5.1 [INFO] [stderr] Compiling darling_core v0.14.4 [INFO] [stderr] Compiling impl-trait-for-tuples v0.2.3 [INFO] [stderr] Compiling toml_edit v0.19.15 [INFO] [stderr] Compiling darling_macro v0.14.4 [INFO] [stderr] Compiling darling v0.14.4 [INFO] [stderr] Compiling proc-macro-crate v1.3.1 [INFO] [stderr] Compiling oasis-cbor-derive v0.5.1 [INFO] [stderr] Checking oasis-cbor v0.5.1 (/opt/rustwide/workdir) [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> tests/derive_test.rs:1156:5 [INFO] [stdout] | [INFO] [stdout] 1156 | encode_is_empty(vec![]); [INFO] [stdout] | ^^^^^^^^^^^^^^^ ------ type must be known at this point [INFO] [stdout] | | [INFO] [stdout] | cannot infer type of the type parameter `T` declared on the function `encode_is_empty` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `Vec<_>: Encode` found in the `oasis_cbor` crate: [INFO] [stdout] - impl Encode for Vec; [INFO] [stdout] - impl Encode for Vec [INFO] [stdout] where T: Encode; [INFO] [stdout] note: required by a bound in `encode_is_empty` [INFO] [stdout] --> tests/derive_test.rs:1122:27 [INFO] [stdout] | [INFO] [stdout] 1122 | fn encode_is_empty(value: T) { [INFO] [stdout] | ^^^^^^^^^^^^ required by this bound in `encode_is_empty` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 1156 | encode_is_empty::>(vec![]); [INFO] [stdout] | ++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed [INFO] [stdout] --> tests/derive_test.rs:1165:5 [INFO] [stdout] | [INFO] [stdout] 1165 | encode_is_empty((false, 0u8, 0u16, 0u128, vec![])); [INFO] [stdout] | ^^^^^^^^^^^^^^^ ------ type must be known at this point [INFO] [stdout] | | [INFO] [stdout] | cannot infer type of the type parameter `T` declared on the function `encode_is_empty` [INFO] [stdout] | [INFO] [stdout] = note: multiple `impl`s satisfying `Vec<_>: Encode` found in the `oasis_cbor` crate: [INFO] [stdout] - impl Encode for Vec; [INFO] [stdout] - impl Encode for Vec [INFO] [stdout] where T: Encode; [INFO] [stdout] = note: required for `(bool, u8, u16, u128, Vec<_>)` to implement `Encode` [INFO] [stdout] note: required by a bound in `encode_is_empty` [INFO] [stdout] --> tests/derive_test.rs:1122:27 [INFO] [stdout] | [INFO] [stdout] 1122 | fn encode_is_empty(value: T) { [INFO] [stdout] | ^^^^^^^^^^^^ required by this bound in `encode_is_empty` [INFO] [stdout] help: consider specifying the generic argument [INFO] [stdout] | [INFO] [stdout] 1165 | encode_is_empty::<(bool, u8, u16, u128, Vec<_>)>((false, 0u8, 0u16, 0u128, vec![])); [INFO] [stdout] | +++++++++++++++++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stderr] error: could not compile `oasis-cbor` (test "derive_test") due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "9b60aec799b9ab5d8f9c423c886bd81bbf09fc0f958ea6834ac8838ec774d06b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b60aec799b9ab5d8f9c423c886bd81bbf09fc0f958ea6834ac8838ec774d06b", kill_on_drop: false }` [INFO] [stdout] 9b60aec799b9ab5d8f9c423c886bd81bbf09fc0f958ea6834ac8838ec774d06b