[INFO] fetching crate optionally_const_macros 0.8.0...
[INFO] testing optionally_const_macros-0.8.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate optionally_const_macros 0.8.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate optionally_const_macros 0.8.0
[INFO] finished tweaking crates.io crate optionally_const_macros 0.8.0
[INFO] tweaked toml for crates.io crate optionally_const_macros 0.8.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optionally_const_macros 0.8.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optionally_const_macros 0.8.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded derive-syn-parse v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42f6f01d695442b32e562a414b3a5147ea6c9796148304ac108c6f069840e02f
[INFO] running `Command { std: "docker" "start" "-a" "42f6f01d695442b32e562a414b3a5147ea6c9796148304ac108c6f069840e02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42f6f01d695442b32e562a414b3a5147ea6c9796148304ac108c6f069840e02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f6f01d695442b32e562a414b3a5147ea6c9796148304ac108c6f069840e02f", kill_on_drop: false }`
[INFO] [stdout] 42f6f01d695442b32e562a414b3a5147ea6c9796148304ac108c6f069840e02f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a9d3feea09bf8077111eff4a4af3e558bd2c5729270b68fc9149f8e9289c332
[INFO] running `Command { std: "docker" "start" "-a" "3a9d3feea09bf8077111eff4a4af3e558bd2c5729270b68fc9149f8e9289c332", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling derive-syn-parse v0.2.0
[INFO] [stderr]    Compiling optionally_const_macros v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.11s
[INFO] running `Command { std: "docker" "inspect" "3a9d3feea09bf8077111eff4a4af3e558bd2c5729270b68fc9149f8e9289c332", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a9d3feea09bf8077111eff4a4af3e558bd2c5729270b68fc9149f8e9289c332", kill_on_drop: false }`
[INFO] [stdout] 3a9d3feea09bf8077111eff4a4af3e558bd2c5729270b68fc9149f8e9289c332
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 359ddec6954267009011f56a958ba46d6e1186ec9fd12ea9cfa15a04b9410f27
[INFO] running `Command { std: "docker" "start" "-a" "359ddec6954267009011f56a958ba46d6e1186ec9fd12ea9cfa15a04b9410f27", kill_on_drop: false }`
[INFO] [stderr]    Compiling optionally_const_macros v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "359ddec6954267009011f56a958ba46d6e1186ec9fd12ea9cfa15a04b9410f27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "359ddec6954267009011f56a958ba46d6e1186ec9fd12ea9cfa15a04b9410f27", kill_on_drop: false }`
[INFO] [stdout] 359ddec6954267009011f56a958ba46d6e1186ec9fd12ea9cfa15a04b9410f27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3380a5531c326ae356cbf780bbe8b8e34b31e53fadb4dfb2e150cc6fe3fb6ab
[INFO] running `Command { std: "docker" "start" "-a" "c3380a5531c326ae356cbf780bbe8b8e34b31e53fadb4dfb2e150cc6fe3fb6ab", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optionally_const_macros-78b4a84d074ab8e5)
[INFO] [stderr]    Doc-tests optionally_const_macros
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - derive_fieldless_enum_const_type (line 62) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - derive_fieldless_enum_const_type (line 62) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `optionally_const`
[INFO] [stdout]  --> src/lib.rs:64:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use optionally_const::OptionallyConst;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ use of unresolved module or unlinked crate `optionally_const`
[INFO] [stdout]   |
[INFO] [stdout]   = help: if you wanted to use a crate named `optionally_const`, use `cargo add optionally_const` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: could not find `optionally_const` in the list of imported crates
[INFO] [stdout]  --> src/lib.rs:68:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(FieldlessEnumConstType, Debug, Clone, Copy, PartialEq)]
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^^^^^ could not find `optionally_const` in the list of imported crates
[INFO] [stdout]   |
[INFO] [stdout]   = note: this error originates in the derive macro `FieldlessEnumConstType` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - derive_fieldless_enum_const_type (line 62)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.39s; merged doctests compilation took 0.19s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c3380a5531c326ae356cbf780bbe8b8e34b31e53fadb4dfb2e150cc6fe3fb6ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3380a5531c326ae356cbf780bbe8b8e34b31e53fadb4dfb2e150cc6fe3fb6ab", kill_on_drop: false }`
[INFO] [stdout] c3380a5531c326ae356cbf780bbe8b8e34b31e53fadb4dfb2e150cc6fe3fb6ab