[INFO] fetching crate ceres-derive 0.2.0...
[INFO] documenting ceres-derive-0.2.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate ceres-derive 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate ceres-derive 0.2.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ceres-derive 0.2.0
[INFO] finished tweaking crates.io crate ceres-derive 0.2.0
[INFO] tweaked toml for crates.io crate ceres-derive 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", 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] 909ef1f860ab7732054c45c379351e75f5a6cc20dda9b4a9330290fc95a349d7
[INFO] running `Command { std: "docker" "start" "-a" "909ef1f860ab7732054c45c379351e75f5a6cc20dda9b4a9330290fc95a349d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "909ef1f860ab7732054c45c379351e75f5a6cc20dda9b4a9330290fc95a349d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "909ef1f860ab7732054c45c379351e75f5a6cc20dda9b4a9330290fc95a349d7", kill_on_drop: false }`
[INFO] [stdout] 909ef1f860ab7732054c45c379351e75f5a6cc20dda9b4a9330290fc95a349d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 8713a1cf34ae29646732628d16468e38c8ce1b94279ea52c10bbf7d8a10c40d4
[INFO] running `Command { std: "docker" "start" "-a" "8713a1cf34ae29646732628d16468e38c8ce1b94279ea52c10bbf7d8a10c40d4", kill_on_drop: false }`
[INFO] [stderr]     Checking proc-macro2 v1.0.28
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking syn v1.0.74
[INFO] [stderr]  Documenting ceres-derive v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.61s
[INFO] running `Command { std: "docker" "inspect" "8713a1cf34ae29646732628d16468e38c8ce1b94279ea52c10bbf7d8a10c40d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8713a1cf34ae29646732628d16468e38c8ce1b94279ea52c10bbf7d8a10c40d4", kill_on_drop: false }`
[INFO] [stdout] 8713a1cf34ae29646732628d16468e38c8ce1b94279ea52c10bbf7d8a10c40d4
