[INFO] fetching crate command-macros-plugin 0.2.4...
[INFO] checking command-macros-plugin-0.2.4 against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] extracting crate command-macros-plugin 0.2.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate command-macros-plugin 0.2.4 on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate command-macros-plugin 0.2.4
[INFO] finished tweaking crates.io crate command-macros-plugin 0.2.4
[INFO] tweaked toml for crates.io crate command-macros-plugin 0.2.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c09d18ea49a168ad10417d63a0edeb9433a462c5ff94dd8bb20426f8cea07a7
[INFO] running `"docker" "start" "-a" "9c09d18ea49a168ad10417d63a0edeb9433a462c5ff94dd8bb20426f8cea07a7"`
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking command-macros-plugin v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr] error: proc macro panicked
[INFO] [stderr]   --> tests/lib.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |             command!(echo {} if bar {-=bar=-} else if let Some(a) = option {--number (a.to_string())} levano),
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: message: called `Option::unwrap()` on a `None` value
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `command-macros-plugin`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "9c09d18ea49a168ad10417d63a0edeb9433a462c5ff94dd8bb20426f8cea07a7"`
[INFO] running `"docker" "rm" "-f" "9c09d18ea49a168ad10417d63a0edeb9433a462c5ff94dd8bb20426f8cea07a7"`
[INFO] [stdout] 9c09d18ea49a168ad10417d63a0edeb9433a462c5ff94dd8bb20426f8cea07a7