[INFO] cloning repository https://github.com/asaadmohammed74/serde_derive_prob
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asaadmohammed74/serde_derive_prob" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2dfd908c6be5a9364bed7162eba488bc67fb6465
[INFO] documenting asaadmohammed74/serde_derive_prob against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasaadmohammed74%2Fserde_derive_prob" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asaadmohammed74/serde_derive_prob on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asaadmohammed74/serde_derive_prob
[INFO] finished tweaking git repo https://github.com/asaadmohammed74/serde_derive_prob
[INFO] tweaked toml for git repo https://github.com/asaadmohammed74/serde_derive_prob written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/asaadmohammed74/serde_derive_prob already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 8e3bd5267636a3ca0502f2511cdc5232a0dce6a8ac8c2f55266d999e4e177cf7
[INFO] running `Command { std: "docker" "start" "-a" "8e3bd5267636a3ca0502f2511cdc5232a0dce6a8ac8c2f55266d999e4e177cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e3bd5267636a3ca0502f2511cdc5232a0dce6a8ac8c2f55266d999e4e177cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e3bd5267636a3ca0502f2511cdc5232a0dce6a8ac8c2f55266d999e4e177cf7", kill_on_drop: false }`
[INFO] [stdout] 8e3bd5267636a3ca0502f2511cdc5232a0dce6a8ac8c2f55266d999e4e177cf7
[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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 825cf636dc70a7eef22e210b174fee31d875aa329636b053d3d4e3461dc1a336
[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" "825cf636dc70a7eef22e210b174fee31d875aa329636b053d3d4e3461dc1a336", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]  Documenting der_example v0.1.0 (/opt/rustwide/workdir/der_example)
[INFO] [stderr]     Finished dev [unoptimized] target(s) in 26.39s
[INFO] running `Command { std: "docker" "inspect" "825cf636dc70a7eef22e210b174fee31d875aa329636b053d3d4e3461dc1a336", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "825cf636dc70a7eef22e210b174fee31d875aa329636b053d3d4e3461dc1a336", kill_on_drop: false }`
[INFO] [stdout] 825cf636dc70a7eef22e210b174fee31d875aa329636b053d3d4e3461dc1a336
[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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 3e07e43cdd761c4c63f65b81a73ae30423f60a2b9f24b2e173836872a11ee2aa
[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" "3e07e43cdd761c4c63f65b81a73ae30423f60a2b9f24b2e173836872a11ee2aa", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "3e07e43cdd761c4c63f65b81a73ae30423f60a2b9f24b2e173836872a11ee2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e07e43cdd761c4c63f65b81a73ae30423f60a2b9f24b2e173836872a11ee2aa", kill_on_drop: false }`
[INFO] [stdout] 3e07e43cdd761c4c63f65b81a73ae30423f60a2b9f24b2e173836872a11ee2aa