[INFO] fetching crate optionally_const_macros 0.8.0...
[INFO] testing optionally_const_macros-0.8.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate optionally_const_macros 0.8.0 into /workspace/builds/worker-2-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-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optionally_const_macros 0.8.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b79148af7de5822fd1410472ff2bb32d928b66f82a36052fddea62fe91333edf
[INFO] running `Command { std: "docker" "start" "-a" "b79148af7de5822fd1410472ff2bb32d928b66f82a36052fddea62fe91333edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b79148af7de5822fd1410472ff2bb32d928b66f82a36052fddea62fe91333edf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b79148af7de5822fd1410472ff2bb32d928b66f82a36052fddea62fe91333edf", kill_on_drop: false }`
[INFO] [stdout] b79148af7de5822fd1410472ff2bb32d928b66f82a36052fddea62fe91333edf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a4d1797b8308f7492f7c571c59cc25f6cb09af1071e4d6603e04b8441c070929
[INFO] running `Command { std: "docker" "start" "-a" "a4d1797b8308f7492f7c571c59cc25f6cb09af1071e4d6603e04b8441c070929", 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 5.33s
[INFO] running `Command { std: "docker" "inspect" "a4d1797b8308f7492f7c571c59cc25f6cb09af1071e4d6603e04b8441c070929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4d1797b8308f7492f7c571c59cc25f6cb09af1071e4d6603e04b8441c070929", kill_on_drop: false }`
[INFO] [stdout] a4d1797b8308f7492f7c571c59cc25f6cb09af1071e4d6603e04b8441c070929
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f958e7b0665feba81365a66f2ce6eb3bab9957c22e82d19f3489a51c7c20c2a1
[INFO] running `Command { std: "docker" "start" "-a" "f958e7b0665feba81365a66f2ce6eb3bab9957c22e82d19f3489a51c7c20c2a1", 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 0.50s
[INFO] running `Command { std: "docker" "inspect" "f958e7b0665feba81365a66f2ce6eb3bab9957c22e82d19f3489a51c7c20c2a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f958e7b0665feba81365a66f2ce6eb3bab9957c22e82d19f3489a51c7c20c2a1", kill_on_drop: false }`
[INFO] [stdout] f958e7b0665feba81365a66f2ce6eb3bab9957c22e82d19f3489a51c7c20c2a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7073c76403a5d2af5421ba145696b2b7a2ad2eb0dcc3a25359f97e6f42d33604
[INFO] running `Command { std: "docker" "start" "-a" "7073c76403a5d2af5421ba145696b2b7a2ad2eb0dcc3a25359f97e6f42d33604", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/optionally_const_macros-09a1bb64219a0bb2)
[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] [stderr] error: doctest failed, to rerun pass `--doc`
[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 0.15s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.36s; merged doctests compilation took 0.21s
[INFO] running `Command { std: "docker" "inspect" "7073c76403a5d2af5421ba145696b2b7a2ad2eb0dcc3a25359f97e6f42d33604", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7073c76403a5d2af5421ba145696b2b7a2ad2eb0dcc3a25359f97e6f42d33604", kill_on_drop: false }`
[INFO] [stdout] 7073c76403a5d2af5421ba145696b2b7a2ad2eb0dcc3a25359f97e6f42d33604