[INFO] cloning repository https://github.com/fritzprix/rust_study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fritzprix/rust_study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffritzprix%2Frust_study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffritzprix%2Frust_study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47b2ac13b9ff3ed295a290ae1be13f901ff391dd
[INFO] documenting fritzprix/rust_study against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffritzprix%2Frust_study" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fritzprix/rust_study on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fritzprix/rust_study
[INFO] finished tweaking git repo https://github.com/fritzprix/rust_study
[INFO] tweaked toml for git repo https://github.com/fritzprix/rust_study written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/fritzprix/rust_study already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3a03c2c666f9f8d36a8bd3172622230cd6f1f7319c34980b50368839f5a6ddf7
[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" "3a03c2c666f9f8d36a8bd3172622230cd6f1f7319c34980b50368839f5a6ddf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a03c2c666f9f8d36a8bd3172622230cd6f1f7319c34980b50368839f5a6ddf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a03c2c666f9f8d36a8bd3172622230cd6f1f7319c34980b50368839f5a6ddf7", kill_on_drop: false }`
[INFO] [stdout] 3a03c2c666f9f8d36a8bd3172622230cd6f1f7319c34980b50368839f5a6ddf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 058d4636e45aef07ebd6c0195c95c7ffe0699263bad54032e790412d812e2fa6
[INFO] running `Command { std: "docker" "start" "-a" "058d4636e45aef07ebd6c0195c95c7ffe0699263bad54032e790412d812e2fa6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]  Documenting collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.25s
[INFO] running `Command { std: "docker" "inspect" "058d4636e45aef07ebd6c0195c95c7ffe0699263bad54032e790412d812e2fa6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "058d4636e45aef07ebd6c0195c95c7ffe0699263bad54032e790412d812e2fa6", kill_on_drop: false }`
[INFO] [stdout] 058d4636e45aef07ebd6c0195c95c7ffe0699263bad54032e790412d812e2fa6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 9596e6156102e941815fa38d2e0726cb44382d95946ce944501ed9eb73ade0eb
[INFO] running `Command { std: "docker" "start" "-a" "9596e6156102e941815fa38d2e0726cb44382d95946ce944501ed9eb73ade0eb", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.37
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]  Documenting collection v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `Command { std: "docker" "inspect" "9596e6156102e941815fa38d2e0726cb44382d95946ce944501ed9eb73ade0eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9596e6156102e941815fa38d2e0726cb44382d95946ce944501ed9eb73ade0eb", kill_on_drop: false }`
[INFO] [stdout] 9596e6156102e941815fa38d2e0726cb44382d95946ce944501ed9eb73ade0eb