[INFO] cloning repository https://github.com/tsaiggo/tsaiggo-rust-tour
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tsaiggo/tsaiggo-rust-tour" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsaiggo%2Ftsaiggo-rust-tour", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftsaiggo%2Ftsaiggo-rust-tour'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6a2e0795f81f14eed3eabfecd7d6042d6e7f476
[INFO] documenting tsaiggo/tsaiggo-rust-tour 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%2Ftsaiggo%2Ftsaiggo-rust-tour" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tsaiggo/tsaiggo-rust-tour 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/tsaiggo/tsaiggo-rust-tour
[INFO] finished tweaking git repo https://github.com/tsaiggo/tsaiggo-rust-tour
[INFO] tweaked toml for git repo https://github.com/tsaiggo/tsaiggo-rust-tour written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tsaiggo/tsaiggo-rust-tour 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 186f37e00c0b7111d89a189ca09242ba68380c7e5b2b62e4e844a059b5876a39
[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" "186f37e00c0b7111d89a189ca09242ba68380c7e5b2b62e4e844a059b5876a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "186f37e00c0b7111d89a189ca09242ba68380c7e5b2b62e4e844a059b5876a39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "186f37e00c0b7111d89a189ca09242ba68380c7e5b2b62e4e844a059b5876a39", kill_on_drop: false }`
[INFO] [stdout] 186f37e00c0b7111d89a189ca09242ba68380c7e5b2b62e4e844a059b5876a39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e08778ed4281b7a04fac9d5c91dbcdc35b1201d0777ef5fb4290038c7f31eb98
[INFO] running `Command { std: "docker" "start" "-a" "e08778ed4281b7a04fac9d5c91dbcdc35b1201d0777ef5fb4290038c7f31eb98", kill_on_drop: false }`
[INFO] [stderr]  Documenting tsaiggo-rust-tour v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "e08778ed4281b7a04fac9d5c91dbcdc35b1201d0777ef5fb4290038c7f31eb98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e08778ed4281b7a04fac9d5c91dbcdc35b1201d0777ef5fb4290038c7f31eb98", kill_on_drop: false }`
[INFO] [stdout] e08778ed4281b7a04fac9d5c91dbcdc35b1201d0777ef5fb4290038c7f31eb98