[INFO] fetching crate libmimalloc-sys 0.1.22...
[INFO] documenting libmimalloc-sys-0.1.22 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate libmimalloc-sys 0.1.22 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate libmimalloc-sys 0.1.22 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 libmimalloc-sys 0.1.22
[INFO] finished tweaking crates.io crate libmimalloc-sys 0.1.22
[INFO] tweaked toml for crates.io crate libmimalloc-sys 0.1.22 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 656ec2e24e2b56f1c5e5b0c455111f7bb54e2328dac9b27c808db0093e972547
[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" "656ec2e24e2b56f1c5e5b0c455111f7bb54e2328dac9b27c808db0093e972547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "656ec2e24e2b56f1c5e5b0c455111f7bb54e2328dac9b27c808db0093e972547", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "656ec2e24e2b56f1c5e5b0c455111f7bb54e2328dac9b27c808db0093e972547", kill_on_drop: false }`
[INFO] [stdout] 656ec2e24e2b56f1c5e5b0c455111f7bb54e2328dac9b27c808db0093e972547
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 70efe234edef4189d938eb6d0c99a01f6af406f264e6c0430250619350563aac
[INFO] running `Command { std: "docker" "start" "-a" "70efe234edef4189d938eb6d0c99a01f6af406f264e6c0430250619350563aac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting libmimalloc-sys v0.1.22 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.19s
[INFO] running `Command { std: "docker" "inspect" "70efe234edef4189d938eb6d0c99a01f6af406f264e6c0430250619350563aac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70efe234edef4189d938eb6d0c99a01f6af406f264e6c0430250619350563aac", kill_on_drop: false }`
[INFO] [stdout] 70efe234edef4189d938eb6d0c99a01f6af406f264e6c0430250619350563aac
