[INFO] fetching crate underscore_args 0.1.2...
[INFO] testing underscore_args-0.1.2 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate underscore_args 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate underscore_args 0.1.2 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate underscore_args 0.1.2
[INFO] finished tweaking crates.io crate underscore_args 0.1.2
[INFO] tweaked toml for crates.io crate underscore_args 0.1.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fba87dc7a19297ce716e519434798f25b4937d722a81477f496b2a47b9df3eb4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fba87dc7a19297ce716e519434798f25b4937d722a81477f496b2a47b9df3eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fba87dc7a19297ce716e519434798f25b4937d722a81477f496b2a47b9df3eb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fba87dc7a19297ce716e519434798f25b4937d722a81477f496b2a47b9df3eb4", kill_on_drop: false }`
[INFO] [stdout] fba87dc7a19297ce716e519434798f25b4937d722a81477f496b2a47b9df3eb4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a4cdc32b4cadde1070e2f340a3096b1c9a9f72f7dac84bb70496fe3f8074f11
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6a4cdc32b4cadde1070e2f340a3096b1c9a9f72f7dac84bb70496fe3f8074f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling underscore_args v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: missing documentation for a macro
[INFO] [stdout]   --> src/lib.rs:31:1
[INFO] [stdout]    |
[INFO] [stdout] 31 | macro_rules! args {($x:ident ( $($y:ident : $z:expr),* $(,)* )) =>
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:2:9
[INFO] [stdout]    |
[INFO] [stdout] 2  | #![deny(missing_docs)]
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `underscore_args` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6a4cdc32b4cadde1070e2f340a3096b1c9a9f72f7dac84bb70496fe3f8074f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4cdc32b4cadde1070e2f340a3096b1c9a9f72f7dac84bb70496fe3f8074f11", kill_on_drop: false }`
[INFO] [stdout] 6a4cdc32b4cadde1070e2f340a3096b1c9a9f72f7dac84bb70496fe3f8074f11