[INFO] cloning repository https://github.com/vjancik/serde_bug
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vjancik/serde_bug" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Fserde_bug", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvjancik%2Fserde_bug'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d96913c9f6acdc99179a80168ec89b1a70172d9a
[INFO] documenting vjancik/serde_bug 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%2Fvjancik%2Fserde_bug" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vjancik/serde_bug 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/vjancik/serde_bug
[INFO] finished tweaking git repo https://github.com/vjancik/serde_bug
[INFO] tweaked toml for git repo https://github.com/vjancik/serde_bug written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/vjancik/serde_bug 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 0cee6f9608e52e2f37e35523a3a00a74ce312ee7c9afde235e8c7793a6185643
[INFO] running `Command { std: "docker" "start" "-a" "0cee6f9608e52e2f37e35523a3a00a74ce312ee7c9afde235e8c7793a6185643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0cee6f9608e52e2f37e35523a3a00a74ce312ee7c9afde235e8c7793a6185643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0cee6f9608e52e2f37e35523a3a00a74ce312ee7c9afde235e8c7793a6185643", kill_on_drop: false }`
[INFO] [stdout] 0cee6f9608e52e2f37e35523a3a00a74ce312ee7c9afde235e8c7793a6185643
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 1cde707a80262794a7e205962da481a01729f59512a4d8a8af43ee44a1e76453
[INFO] running `Command { std: "docker" "start" "-a" "1cde707a80262794a7e205962da481a01729f59512a4d8a8af43ee44a1e76453", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.119
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]  Documenting serde_bug v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.47s
[INFO] running `Command { std: "docker" "inspect" "1cde707a80262794a7e205962da481a01729f59512a4d8a8af43ee44a1e76453", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cde707a80262794a7e205962da481a01729f59512a4d8a8af43ee44a1e76453", kill_on_drop: false }`
[INFO] [stdout] 1cde707a80262794a7e205962da481a01729f59512a4d8a8af43ee44a1e76453