[INFO] fetching crate oasis-cbor 0.5.1...
[INFO] checking oasis-cbor-0.5.1 against 760e1de835e253bf28bbcbfee38b5e8ed9ffe074 for pr-133502-26
[INFO] extracting crate oasis-cbor 0.5.1 into /workspace/builds/worker-2-tc2/source
[INFO] removed /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate oasis-cbor 0.5.1 on toolchain 760e1de835e253bf28bbcbfee38b5e8ed9ffe074
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 30 packages to latest compatible versions
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e
[INFO] running `Command { std: "docker" "start" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e" "/opt/rustwide/cargo-home/bin/cargo" "+760e1de835e253bf28bbcbfee38b5e8ed9ffe074" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling oasis-cbor-value v0.5.1
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]    Compiling syn v3.0.3
[INFO] [stderr]     Checking serde_bytes v0.11.19
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]     Checking serde v1.0.229
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.2.3
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling oasis-cbor-derive v0.5.1
[INFO] [stderr]     Checking thiserror v1.0.69
[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" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e", kill_on_drop: false }`
[INFO] [stdout] d939d0325345c444d56b43833f46453c87840e8fca916fca6831681ec8ebf36e
