[INFO] fetching crate oasis-cbor 0.5.1...
[INFO] checking oasis-cbor-0.5.1 against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] extracting crate oasis-cbor 0.5.1 into /workspace/builds/worker-1-tc2/source
[INFO] removed /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oasis-cbor 0.5.1 on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 29 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.18)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6a7e29263759b435ed8f871b9e36b05035b6dcfa460a6a5da1ff8c4578eaedd5
[INFO] running `Command { std: "docker" "start" "-a" "6a7e29263759b435ed8f871b9e36b05035b6dcfa460a6a5da1ff8c4578eaedd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6a7e29263759b435ed8f871b9e36b05035b6dcfa460a6a5da1ff8c4578eaedd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a7e29263759b435ed8f871b9e36b05035b6dcfa460a6a5da1ff8c4578eaedd5", kill_on_drop: false }`
[INFO] [stdout] 6a7e29263759b435ed8f871b9e36b05035b6dcfa460a6a5da1ff8c4578eaedd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e351593afd68343ab894334fa85dcd3584cf02248b7d7223230a9477364430d0
[INFO] running `Command { std: "docker" "start" "-a" "e351593afd68343ab894334fa85dcd3584cf02248b7d7223230a9477364430d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling hashbrown v0.17.1
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling oasis-cbor-value v0.5.1
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling oasis-cbor-derive v0.5.1
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking oasis-cbor v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `trait_alias` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_alias)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: feature `trait_alias` is declared but not used
[INFO] [stdout]  --> src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(trait_alias)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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<u8>;
[INFO] [stdout]              - impl<T> Encode for Vec<T>
[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<T: cbor::Encode>(value: T) {
[INFO] [stdout]      |                           ^^^^^^^^^^^^ required by this bound in `encode_is_empty`
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `T`
[INFO] [stdout]      |
[INFO] [stdout] 1156 |     encode_is_empty::</* Type */>(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<u8>;
[INFO] [stdout]              - impl<T> Encode for Vec<T>
[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<T: cbor::Encode>(value: T) {
[INFO] [stdout]      |                           ^^^^^^^^^^^^ required by this bound in `encode_is_empty`
[INFO] [stdout] help: consider specifying a concrete type for the type parameter `T`
[INFO] [stdout]      |
[INFO] [stdout] 1165 |     encode_is_empty::</* Type */>((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" "e351593afd68343ab894334fa85dcd3584cf02248b7d7223230a9477364430d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e351593afd68343ab894334fa85dcd3584cf02248b7d7223230a9477364430d0", kill_on_drop: false }`
[INFO] [stdout] e351593afd68343ab894334fa85dcd3584cf02248b7d7223230a9477364430d0
