[INFO] fetching crate rialo-s-decode-error 0.4.1...
[INFO] testing rialo-s-decode-error-0.4.1 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate rialo-s-decode-error 0.4.1 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate rialo-s-decode-error 0.4.1
[INFO] finished tweaking crates.io crate rialo-s-decode-error 0.4.1
[INFO] tweaked toml for crates.io crate rialo-s-decode-error 0.4.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate rialo-s-decode-error 0.4.1 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rialo-s-decode-error 0.4.1 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bb4bfb5a97157e4fa503e1d13bf66ada4a732022b146451cd67569a5363755d
[INFO] running `Command { std: "docker" "start" "-a" "7bb4bfb5a97157e4fa503e1d13bf66ada4a732022b146451cd67569a5363755d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bb4bfb5a97157e4fa503e1d13bf66ada4a732022b146451cd67569a5363755d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bb4bfb5a97157e4fa503e1d13bf66ada4a732022b146451cd67569a5363755d", kill_on_drop: false }`
[INFO] [stdout] 7bb4bfb5a97157e4fa503e1d13bf66ada4a732022b146451cd67569a5363755d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a111666b00ec1ab6e96a9de8ba9665e88fc1394fe31239aa2b943ead013a096
[INFO] running `Command { std: "docker" "start" "-a" "2a111666b00ec1ab6e96a9de8ba9665e88fc1394fe31239aa2b943ead013a096", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rialo-s-decode-error v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.06s
[INFO] running `Command { std: "docker" "inspect" "2a111666b00ec1ab6e96a9de8ba9665e88fc1394fe31239aa2b943ead013a096", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a111666b00ec1ab6e96a9de8ba9665e88fc1394fe31239aa2b943ead013a096", kill_on_drop: false }`
[INFO] [stdout] 2a111666b00ec1ab6e96a9de8ba9665e88fc1394fe31239aa2b943ead013a096
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd30bfab8051efb96b97c17a685adbdf6f6f691124a9ff1ba51d8e2e39a816d4
[INFO] running `Command { std: "docker" "start" "-a" "fd30bfab8051efb96b97c17a685adbdf6f6f691124a9ff1ba51d8e2e39a816d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling rialo-s-decode-error v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num_derive`
[INFO] [stdout]   --> src/lib.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |     use num_derive::FromPrimitive;
[INFO] [stdout]    |         ^^^^^^^^^^ use of unresolved module or unlinked crate `num_derive`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `num_derive`, use `cargo add num_derive` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TestEnum: FromPrimitive` is not satisfied
[INFO] [stdout]   --> src/lib.rs:53:20
[INFO] [stdout]    |
[INFO] [stdout] 53 |         assert_eq!(TestEnum::decode_custom_error_to_enum(0), Some(TestEnum::A));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromPrimitive` is not implemented for `TestEnum`
[INFO] [stdout]   --> src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         enum TestEnum {
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    = help: the following other types implement trait `FromPrimitive`:
[INFO] [stdout]              Wrapping<T>
[INFO] [stdout]              f32
[INFO] [stdout]              f64
[INFO] [stdout]              i128
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              i8
[INFO] [stdout]            and 7 others
[INFO] [stdout] note: required by a bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout]   --> src/lib.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn decode_custom_error_to_enum(custom: u32) -> Option<E>
[INFO] [stdout]    |        --------------------------- required by a bound in this associated function
[INFO] [stdout] 26 |     where
[INFO] [stdout] 27 |         E: FromPrimitive,
[INFO] [stdout]    |            ^^^^^^^^^^^^^ required by this bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rialo-s-decode-error` (lib test) due to 5 previous errors
[INFO] [stdout] error[E0277]: the trait bound `TestEnum: FromPrimitive` is not satisfied
[INFO] [stdout]   --> src/lib.rs:54:20
[INFO] [stdout]    |
[INFO] [stdout] 54 |         assert_eq!(TestEnum::decode_custom_error_to_enum(1), Some(TestEnum::B));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromPrimitive` is not implemented for `TestEnum`
[INFO] [stdout]   --> src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         enum TestEnum {
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    = help: the following other types implement trait `FromPrimitive`:
[INFO] [stdout]              Wrapping<T>
[INFO] [stdout]              f32
[INFO] [stdout]              f64
[INFO] [stdout]              i128
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              i8
[INFO] [stdout]            and 7 others
[INFO] [stdout] note: required by a bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout]   --> src/lib.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn decode_custom_error_to_enum(custom: u32) -> Option<E>
[INFO] [stdout]    |        --------------------------- required by a bound in this associated function
[INFO] [stdout] 26 |     where
[INFO] [stdout] 27 |         E: FromPrimitive,
[INFO] [stdout]    |            ^^^^^^^^^^^^^ required by this bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TestEnum: FromPrimitive` is not satisfied
[INFO] [stdout]   --> src/lib.rs:55:20
[INFO] [stdout]    |
[INFO] [stdout] 55 |         assert_eq!(TestEnum::decode_custom_error_to_enum(2), Some(TestEnum::C));
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromPrimitive` is not implemented for `TestEnum`
[INFO] [stdout]   --> src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         enum TestEnum {
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    = help: the following other types implement trait `FromPrimitive`:
[INFO] [stdout]              Wrapping<T>
[INFO] [stdout]              f32
[INFO] [stdout]              f64
[INFO] [stdout]              i128
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              i8
[INFO] [stdout]            and 7 others
[INFO] [stdout] note: required by a bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout]   --> src/lib.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn decode_custom_error_to_enum(custom: u32) -> Option<E>
[INFO] [stdout]    |        --------------------------- required by a bound in this associated function
[INFO] [stdout] 26 |     where
[INFO] [stdout] 27 |         E: FromPrimitive,
[INFO] [stdout]    |            ^^^^^^^^^^^^^ required by this bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `TestEnum: FromPrimitive` is not satisfied
[INFO] [stdout]   --> src/lib.rs:56:40
[INFO] [stdout]    |
[INFO] [stdout] 56 |         let option: Option<TestEnum> = TestEnum::decode_custom_error_to_enum(3);
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsatisfied trait bound
[INFO] [stdout]    |
[INFO] [stdout] help: the trait `FromPrimitive` is not implemented for `TestEnum`
[INFO] [stdout]   --> src/lib.rs:43:9
[INFO] [stdout]    |
[INFO] [stdout] 43 |         enum TestEnum {
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    = help: the following other types implement trait `FromPrimitive`:
[INFO] [stdout]              Wrapping<T>
[INFO] [stdout]              f32
[INFO] [stdout]              f64
[INFO] [stdout]              i128
[INFO] [stdout]              i16
[INFO] [stdout]              i32
[INFO] [stdout]              i64
[INFO] [stdout]              i8
[INFO] [stdout]            and 7 others
[INFO] [stdout] note: required by a bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout]   --> src/lib.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn decode_custom_error_to_enum(custom: u32) -> Option<E>
[INFO] [stdout]    |        --------------------------- required by a bound in this associated function
[INFO] [stdout] 26 |     where
[INFO] [stdout] 27 |         E: FromPrimitive,
[INFO] [stdout]    |            ^^^^^^^^^^^^^ required by this bound in `DecodeError::decode_custom_error_to_enum`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fd30bfab8051efb96b97c17a685adbdf6f6f691124a9ff1ba51d8e2e39a816d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd30bfab8051efb96b97c17a685adbdf6f6f691124a9ff1ba51d8e2e39a816d4", kill_on_drop: false }`
[INFO] [stdout] fd30bfab8051efb96b97c17a685adbdf6f6f691124a9ff1ba51d8e2e39a816d4
