[INFO] fetching crate fnum 0.0.1...
[INFO] testing fnum-0.0.1 against nightly-2024-10-28 for randomize-layout
[INFO] extracting crate fnum 0.0.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate fnum 0.0.1 on toolchain nightly-2024-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fnum 0.0.1
[INFO] finished tweaking crates.io crate fnum 0.0.1
[INFO] tweaked toml for crates.io crate fnum 0.0.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate fnum 0.0.1 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" "+nightly-2024-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fnum-derive v0.0.1
[INFO] [stderr]   Downloaded syn v1.0.56
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f465420e4fdea47e355e0ad98839a65cb84232ee2bd000c9cf124a8a8f3475d
[INFO] running `Command { std: "docker" "start" "-a" "8f465420e4fdea47e355e0ad98839a65cb84232ee2bd000c9cf124a8a8f3475d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f465420e4fdea47e355e0ad98839a65cb84232ee2bd000c9cf124a8a8f3475d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f465420e4fdea47e355e0ad98839a65cb84232ee2bd000c9cf124a8a8f3475d", kill_on_drop: false }`
[INFO] [stdout] 8f465420e4fdea47e355e0ad98839a65cb84232ee2bd000c9cf124a8a8f3475d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91dd85d24175e693b80eb0fcc427ca8801ed3647c7e33d00f97d830d499836f2
[INFO] running `Command { std: "docker" "start" "-a" "91dd85d24175e693b80eb0fcc427ca8801ed3647c7e33d00f97d830d499836f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]    Compiling once_cell v1.5.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling fnum-derive v0.0.1
[INFO] [stderr]    Compiling fnum v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.12s
[INFO] running `Command { std: "docker" "inspect" "91dd85d24175e693b80eb0fcc427ca8801ed3647c7e33d00f97d830d499836f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91dd85d24175e693b80eb0fcc427ca8801ed3647c7e33d00f97d830d499836f2", kill_on_drop: false }`
[INFO] [stdout] 91dd85d24175e693b80eb0fcc427ca8801ed3647c7e33d00f97d830d499836f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9391f643c43fc99728905277bc35ae4c863c389469e232bed88419d7308e3d30
[INFO] running `Command { std: "docker" "start" "-a" "9391f643c43fc99728905277bc35ae4c863c389469e232bed88419d7308e3d30", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnum v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the type `u64` does not permit being left uninitialized
[INFO] [stdout]   --> examples/impl.rs:27:26
[INFO] [stdout]    |
[INFO] [stdout] 27 |             0 => Enum::A(std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this code causes undefined behavior when executed
[INFO] [stdout]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> examples/impl.rs:28:26
[INFO] [stdout]    |
[INFO] [stdout] 28 |             1 => Enum::B(std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this code causes undefined behavior when executed
[INFO] [stdout]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> examples/impl.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |             2 => Enum::C(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this code causes undefined behavior when executed
[INFO] [stdout]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u64` does not permit being left uninitialized
[INFO] [stdout]   --> examples/impl.rs:29:73
[INFO] [stdout]    |
[INFO] [stdout] 29 |             2 => Enum::C(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                         |
[INFO] [stdout]    |                                                                         this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u64` does not permit being left uninitialized
[INFO] [stdout]   --> examples/impl.rs:30:26
[INFO] [stdout]    |
[INFO] [stdout] 30 |             3 => Enum::D(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                          |
[INFO] [stdout]    |                          this code causes undefined behavior when executed
[INFO] [stdout]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the type `u32` does not permit being left uninitialized
[INFO] [stdout]   --> examples/impl.rs:30:73
[INFO] [stdout]    |
[INFO] [stdout] 30 |             3 => Enum::D(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stdout]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                                                         |
[INFO] [stdout]    |                                                                         this code causes undefined behavior when executed
[INFO] [stdout]    |                                                                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stdout]    |
[INFO] [stdout]    = note: integers must be initialized
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "9391f643c43fc99728905277bc35ae4c863c389469e232bed88419d7308e3d30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9391f643c43fc99728905277bc35ae4c863c389469e232bed88419d7308e3d30", kill_on_drop: false }`
[INFO] [stdout] 9391f643c43fc99728905277bc35ae4c863c389469e232bed88419d7308e3d30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3b11d861664fcc103f30c3d3826aae1036fcacd02977b75b20d4721ff3335f29
[INFO] running `Command { std: "docker" "start" "-a" "3b11d861664fcc103f30c3d3826aae1036fcacd02977b75b20d4721ff3335f29", kill_on_drop: false }`
[INFO] [stderr] warning: the type `u64` does not permit being left uninitialized
[INFO] [stderr]   --> examples/impl.rs:27:26
[INFO] [stderr]    |
[INFO] [stderr] 27 |             0 => Enum::A(std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this code causes undefined behavior when executed
[INFO] [stderr]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr]    = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> examples/impl.rs:28:26
[INFO] [stderr]    |
[INFO] [stderr] 28 |             1 => Enum::B(std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this code causes undefined behavior when executed
[INFO] [stderr]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> examples/impl.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |             2 => Enum::C(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this code causes undefined behavior when executed
[INFO] [stderr]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u64` does not permit being left uninitialized
[INFO] [stderr]   --> examples/impl.rs:29:73
[INFO] [stderr]    |
[INFO] [stderr] 29 |             2 => Enum::C(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                                         |
[INFO] [stderr]    |                                                                         this code causes undefined behavior when executed
[INFO] [stderr]    |                                                                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u64` does not permit being left uninitialized
[INFO] [stderr]   --> examples/impl.rs:30:26
[INFO] [stderr]    |
[INFO] [stderr] 30 |             3 => Enum::D(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                          |
[INFO] [stderr]    |                          this code causes undefined behavior when executed
[INFO] [stderr]    |                          help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: the type `u32` does not permit being left uninitialized
[INFO] [stderr]   --> examples/impl.rs:30:73
[INFO] [stderr]    |
[INFO] [stderr] 30 |             3 => Enum::D(std::mem::MaybeUninit::uninit().assume_init(), std::mem::MaybeUninit::uninit().assume_init()),
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |                                                                         |
[INFO] [stderr]    |                                                                         this code causes undefined behavior when executed
[INFO] [stderr]    |                                                                         help: use `MaybeUninit<T>` instead, and only call `assume_init` after initialization is done
[INFO] [stderr]    |
[INFO] [stderr]    = note: integers must be initialized
[INFO] [stderr] 
[INFO] [stderr] warning: `fnum` (example "impl") generated 6 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/fnum-65deb50883ed734a)
[INFO] [stdout] 
[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] [stderr]    Doc-tests fnum
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - Fnum::variant_index (line 37) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 4) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Fnum::variant_index (line 37) stdout ----
[INFO] [stdout] error: cannot find derive macro `Fnum` in this scope
[INFO] [stdout]  --> src/lib.rs:38:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[derive(Fnum)]
[INFO] [stdout]   |          ^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these derive macros
[INFO] [stdout]   |
[INFO] [stdout] 2 + use fnum::Fnum;
[INFO] [stdout]   |
[INFO] [stdout] 2 + use fnum_derive::Fnum;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `First` found for enum `MyEnum` in the current scope
[INFO] [stdout]  --> src/lib.rs:44:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum MyEnum {
[INFO] [stdout]   | ----------- variant or associated item `First` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 9 | assert_eq!(MyEnum::First.variant_index(), 0);
[INFO] [stdout]   |                    ^^^^^ variant or associated item not found in `MyEnum`
[INFO] [stdout]   |
[INFO] [stdout] help: there is a variant with a similar name (notice the capitalization difference)
[INFO] [stdout]   |
[INFO] [stdout] 9 | assert_eq!(MyEnum::FIrst.variant_index(), 0);
[INFO] [stdout]   |                    ~~~~~
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `variant_index` found for enum `MyEnum` in the current scope
[INFO] [stdout]   --> src/lib.rs:45:27
[INFO] [stdout]    |
[INFO] [stdout] 4  | enum MyEnum {
[INFO] [stdout]    | ----------- method `variant_index` not found for this enum
[INFO] [stdout] ...
[INFO] [stdout] 10 | assert_eq!(MyEnum::Second.variant_index(), 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^ method not found in `MyEnum`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is implemented and in scope
[INFO] [stdout]    = note: the following trait defines an item `variant_index`, perhaps you need to implement it:
[INFO] [stdout]            candidate #1: `fnum::Fnum`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 4) stdout ----
[INFO] [stdout] Test executable failed (exit status: 101).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] thread 'main' panicked at src/lib.rs:20:1:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 28
[INFO] [stdout]  right: 24
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x625d456da28a - std::backtrace_rs::backtrace::libunwind::trace::h207520d6e9873551
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x625d456da28a - std::backtrace_rs::backtrace::trace_unsynchronized::h2ed7433f370e3eca
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x625d456da28a - std::sys::backtrace::_print_fmt::h916fac51166b18d7
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x625d456da28a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha0a4c9b8ce3802e6
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x625d456f6333 - core::fmt::rt::Argument::fmt::h4cfc8587d52b3eb5
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x625d456f6333 - core::fmt::write::h522cc39e5b36ae9f
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/fmt/mod.rs:1190:21
[INFO] [stdout]    6:     0x625d456d7cf3 - std::io::Write::write_fmt::hf1c1dcc8cc1287f0
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x625d456da0d2 - std::sys::backtrace::BacktraceLock::print::h4b9e00b29e9c0942
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x625d456db09c - std::panicking::default_hook::{{closure}}::hb59b88280d0324d9
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x625d456daee2 - std::panicking::default_hook::he1dd496665be4a29
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:295:9
[INFO] [stdout]   10:     0x625d456db697 - std::panicking::rust_panic_with_hook::h2ff17fe8f26dfcf8
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:801:13
[INFO] [stdout]   11:     0x625d456db52a - std::panicking::begin_panic_handler::{{closure}}::h4fad77951c07e101
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:674:13
[INFO] [stdout]   12:     0x625d456da769 - std::sys::backtrace::__rust_end_short_backtrace::hb1a25b3da5d0ea08
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   13:     0x625d456db1bc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:665:5
[INFO] [stdout]   14:     0x625d456f55d0 - core::panicking::panic_fmt::ha9db07b529f9b256
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:75:14
[INFO] [stdout]   15:     0x625d456f5962 - core::panicking::assert_failed_inner::h04f38944d74a80a8
[INFO] [stdout]   16:     0x625d456ba7b8 - core::panicking::assert_failed::h9cdbe433fa0fd52e
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/panicking.rs:377:5
[INFO] [stdout]   17:     0x625d456b8b6e - rust_out::main::_doctest_main_src_lib_rs_4_0::h4991ee0d908afd8c
[INFO] [stdout]   18:     0x625d456b8a56 - rust_out::main::ha213a30daa5df4da
[INFO] [stdout]   19:     0x625d456b7aa3 - core::ops::function::FnOnce::call_once::hf7edf7132571051c
[INFO] [stdout]   20:     0x625d456b77a6 - std::sys::backtrace::__rust_begin_short_backtrace::h32fd822fd2ba4079
[INFO] [stdout]   21:     0x625d456b7779 - std::rt::lang_start::{{closure}}::h4039a1c394ed4f7c
[INFO] [stdout]   22:     0x625d456d6097 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd87d66b906e0ccaf
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/core/src/ops/function.rs:284:13
[INFO] [stdout]   23:     0x625d456d6097 - std::panicking::try::do_call::hae3703de71fc9e3a
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   24:     0x625d456d6097 - std::panicking::try::h1178330e9a2b2645
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   25:     0x625d456d6097 - std::panic::catch_unwind::h0acf49d2305d32ad
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   26:     0x625d456d6097 - std::rt::lang_start_internal::{{closure}}::h2d95182d798177be
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:48
[INFO] [stdout]   27:     0x625d456d6097 - std::panicking::try::do_call::hb506f5bfe11fd30c
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x625d456d6097 - std::panicking::try::h54d825c46bd0fa95
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x625d456d6097 - std::panic::catch_unwind::hffbb0ad20c4e9fac
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x625d456d6097 - std::rt::lang_start_internal::h52c291ef1962c925
[INFO] [stdout]                                at /rustc/df4ca44d3fbc9301ee17f30f4d474e6ae4b05252/library/std/src/rt.rs:174:20
[INFO] [stdout]   31:     0x625d456b7757 - std::rt::lang_start::h8c6075cd6f225ba1
[INFO] [stdout]   32:     0x625d456b96f5 - main
[INFO] [stdout]   33:     0x72c029817d90 - <unknown>
[INFO] [stdout]   34:     0x72c029817e40 - __libc_start_main
[INFO] [stdout]   35:     0x625d456b7635 - _start
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 4)
[INFO] [stdout]     src/lib.rs - Fnum::variant_index (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.17s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3b11d861664fcc103f30c3d3826aae1036fcacd02977b75b20d4721ff3335f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b11d861664fcc103f30c3d3826aae1036fcacd02977b75b20d4721ff3335f29", kill_on_drop: false }`
[INFO] [stdout] 3b11d861664fcc103f30c3d3826aae1036fcacd02977b75b20d4721ff3335f29
