[INFO] updating cached repository https://github.com/khanhtc1202/undefined-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4a697820f9312d21323dfb8a52fb886de5273e9e
[INFO] checking khanhtc1202/undefined-rust against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhanhtc1202%2Fundefined-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khanhtc1202/undefined-rust on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/khanhtc1202/undefined-rust
[INFO] finished tweaking git repo https://github.com/khanhtc1202/undefined-rust
[INFO] tweaked toml for git repo https://github.com/khanhtc1202/undefined-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/khanhtc1202/undefined-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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" "+b61e69433951e31f7bd746e22f516a48ad41623b" "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] d07916b14d80828155ca7e4d2810c7250d7d20dcb07e49beb362d7330d1816f1
[INFO] running `"docker" "start" "-a" "d07916b14d80828155ca7e4d2810c7250d7d20dcb07e49beb362d7330d1816f1"`
[INFO] [stderr]     Checking sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: expected item after doc comment
[INFO] [stderr]   --> src/advance_marco.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | /// NOTE: https://doc.rust-lang.org/book/ch19-06-macros.html
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: expected item after doc comment
[INFO] [stderr]   --> src/advance_marco.rs:79:1
[INFO] [stderr]    |
[INFO] [stderr] 79 | /// NOTE: https://doc.rust-lang.org/book/ch19-06-macros.html
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this doc comment doesn't document anything
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `sandbox`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `sandbox`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "d07916b14d80828155ca7e4d2810c7250d7d20dcb07e49beb362d7330d1816f1"`
[INFO] running `"docker" "rm" "-f" "d07916b14d80828155ca7e4d2810c7250d7d20dcb07e49beb362d7330d1816f1"`
[INFO] [stdout] d07916b14d80828155ca7e4d2810c7250d7d20dcb07e49beb362d7330d1816f1