[INFO] fetching crate liblet 0.2.0...
[INFO] documenting liblet-0.2.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate liblet 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate liblet 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 liblet 0.2.0
[INFO] finished tweaking crates.io crate liblet 0.2.0
[INFO] tweaked toml for crates.io crate liblet 0.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate liblet 0.2.0 already has a lockfile, it will not be regenerated
[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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d9695a0f310f7e10e856cfdb7ede0d30b4f2f4f3b9d76177ae236c2ea8a2c999
[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" "d9695a0f310f7e10e856cfdb7ede0d30b4f2f4f3b9d76177ae236c2ea8a2c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9695a0f310f7e10e856cfdb7ede0d30b4f2f4f3b9d76177ae236c2ea8a2c999", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9695a0f310f7e10e856cfdb7ede0d30b4f2f4f3b9d76177ae236c2ea8a2c999", kill_on_drop: false }`
[INFO] [stdout] d9695a0f310f7e10e856cfdb7ede0d30b4f2f4f3b9d76177ae236c2ea8a2c999
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] 6c43517d05f61d480e7a0669a61c22c3257b458a32dee14bca6af72627b1296e
[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" "6c43517d05f61d480e7a0669a61c22c3257b458a32dee14bca6af72627b1296e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.20
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]  Documenting liblet v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.76s
[INFO] running `Command { std: "docker" "inspect" "6c43517d05f61d480e7a0669a61c22c3257b458a32dee14bca6af72627b1296e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c43517d05f61d480e7a0669a61c22c3257b458a32dee14bca6af72627b1296e", kill_on_drop: false }`
[INFO] [stdout] 6c43517d05f61d480e7a0669a61c22c3257b458a32dee14bca6af72627b1296e
