[INFO] fetching crate optionally_const_macros 0.8.0...
[INFO] testing optionally_const_macros-0.8.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate optionally_const_macros 0.8.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optionally_const_macros 0.8.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba
[INFO] running `Command { std: "docker" "start" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", 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" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", 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 `release` profile [optimized] target(s) in 3.50s
[INFO] running `Command { std: "docker" "inspect" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling optionally_const_macros v0.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/optionally_const_macros/4f9302a7640c704c/out/optionally_const_macros-4f9302a7640c704c)
[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 optionally_const_macros
[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] 64 | 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]: cannot find `optionally_const` in the list of imported crates
[INFO] [stdout]   --> src/lib.rs:68:10
[INFO] [stdout]    |
[INFO] [stdout] 68 | #[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 0.08s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.15s; merged doctests compilation took 0.07s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba", kill_on_drop: false }`
[INFO] [stdout] a122892180617f7781bd539c4b0ebd53e84e2094057ec3b652161afd567e9eba
