[INFO] fetching crate proc-macro-nested 0.1.6...
[INFO] checking proc-macro-nested-0.1.6 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] extracting crate proc-macro-nested 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate proc-macro-nested 0.1.6 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate proc-macro-nested 0.1.6
[INFO] finished tweaking crates.io crate proc-macro-nested 0.1.6
[INFO] tweaked toml for crates.io crate proc-macro-nested 0.1.6 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05fc89308c6e1406d9bcb2e973f361b0af11cb17e4c143407dac031bba8e4317
[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" "05fc89308c6e1406d9bcb2e973f361b0af11cb17e4c143407dac031bba8e4317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fc89308c6e1406d9bcb2e973f361b0af11cb17e4c143407dac031bba8e4317", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fc89308c6e1406d9bcb2e973f361b0af11cb17e4c143407dac031bba8e4317", kill_on_drop: false }`
[INFO] [stdout] 05fc89308c6e1406d9bcb2e973f361b0af11cb17e4c143407dac031bba8e4317
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6aca3b73db99fc7234df4bde9eceed93c50f842f4a110d88f103d61216720832
[INFO] running `Command { std: "docker" "start" "-a" "6aca3b73db99fc7234df4bde9eceed93c50f842f4a110d88f103d61216720832", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "6aca3b73db99fc7234df4bde9eceed93c50f842f4a110d88f103d61216720832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6aca3b73db99fc7234df4bde9eceed93c50f842f4a110d88f103d61216720832", kill_on_drop: false }`
[INFO] [stdout] 6aca3b73db99fc7234df4bde9eceed93c50f842f4a110d88f103d61216720832