[INFO] cloning repository https://github.com/62mkv/rust-est
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/62mkv/rust-est" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F62mkv%2Frust-est", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F62mkv%2Frust-est'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0588c01ab57927523de8bf1b2ed8386597635fe7
[INFO] documenting 62mkv/rust-est against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F62mkv%2Frust-est" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/62mkv/rust-est on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/62mkv/rust-est
[INFO] finished tweaking git repo https://github.com/62mkv/rust-est
[INFO] tweaked toml for git repo https://github.com/62mkv/rust-est written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/62mkv/rust-est already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "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] 10a1a0e8d30b5e6fd5a9dbef1f5c08ace5e7f50cbc2f4325757981c522edd384
[INFO] running `Command { std: "docker" "start" "-a" "10a1a0e8d30b5e6fd5a9dbef1f5c08ace5e7f50cbc2f4325757981c522edd384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10a1a0e8d30b5e6fd5a9dbef1f5c08ace5e7f50cbc2f4325757981c522edd384", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10a1a0e8d30b5e6fd5a9dbef1f5c08ace5e7f50cbc2f4325757981c522edd384", kill_on_drop: false }`
[INFO] [stdout] 10a1a0e8d30b5e6fd5a9dbef1f5c08ace5e7f50cbc2f4325757981c522edd384
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 20ca12a43780f60001d1525a5c7301ecd9d2bb0cc1f4470397296c9641c423c6
[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" "20ca12a43780f60001d1525a5c7301ecd9d2bb0cc1f4470397296c9641c423c6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]     Checking xmlparser v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling enum-display-derive v0.1.0
[INFO] [stderr]     Checking roxmltree v0.6.1
[INFO] [stderr]     Checking memchr v2.2.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.7
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]  Documenting rust-est v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.90s
[INFO] running `Command { std: "docker" "inspect" "20ca12a43780f60001d1525a5c7301ecd9d2bb0cc1f4470397296c9641c423c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20ca12a43780f60001d1525a5c7301ecd9d2bb0cc1f4470397296c9641c423c6", kill_on_drop: false }`
[INFO] [stdout] 20ca12a43780f60001d1525a5c7301ecd9d2bb0cc1f4470397296c9641c423c6