[INFO] fetching crate test_gen 0.2.3...
[INFO] building test_gen-0.2.3 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate test_gen 0.2.3 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate test_gen 0.2.3
[INFO] finished tweaking crates.io crate test_gen 0.2.3
[INFO] tweaked toml for crates.io crate test_gen 0.2.3 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate test_gen 0.2.3 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 4 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a10990939454b7e0c0cdef8500471f5aedf704a6ae634a84092fdc2e2506bd1d
[INFO] running `Command { std: "docker" "start" "-a" "a10990939454b7e0c0cdef8500471f5aedf704a6ae634a84092fdc2e2506bd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a10990939454b7e0c0cdef8500471f5aedf704a6ae634a84092fdc2e2506bd1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a10990939454b7e0c0cdef8500471f5aedf704a6ae634a84092fdc2e2506bd1d", kill_on_drop: false }`
[INFO] [stdout] a10990939454b7e0c0cdef8500471f5aedf704a6ae634a84092fdc2e2506bd1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 402186387a5f72982a88352a0de3093048b9ebac5ee06130d4e014cfe0f42227
[INFO] running `Command { std: "docker" "start" "-a" "402186387a5f72982a88352a0de3093048b9ebac5ee06130d4e014cfe0f42227", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling test_gen v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find macro `doctest_example` in the current scope when looking from the crate root
[INFO] [stdout]   --> src/lib.rs:30:10
[INFO] [stdout]    |
[INFO] [stdout] 30 | #![doc = doctest_example!("fruits")]
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^ not found from the crate root
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #124535 <https://github.com/rust-lang/rust/issues/124535>
[INFO] [stdout]    = help: import `macro_rules` with `use` to make it callable above its definition
[INFO] [stdout]    = note: `#[deny(out_of_scope_macro_calls)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `test_gen` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "402186387a5f72982a88352a0de3093048b9ebac5ee06130d4e014cfe0f42227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "402186387a5f72982a88352a0de3093048b9ebac5ee06130d4e014cfe0f42227", kill_on_drop: false }`
[INFO] [stdout] 402186387a5f72982a88352a0de3093048b9ebac5ee06130d4e014cfe0f42227