[INFO] cloning repository https://github.com/mbellani/config-error-repro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbellani/config-error-repro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbellani%2Fconfig-error-repro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbellani%2Fconfig-error-repro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb97a37610cbffe83a77cd023ebce2b5b14b19f6
[INFO] documenting mbellani/config-error-repro 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%2Fmbellani%2Fconfig-error-repro" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbellani/config-error-repro 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/mbellani/config-error-repro
[INFO] finished tweaking git repo https://github.com/mbellani/config-error-repro
[INFO] tweaked toml for git repo https://github.com/mbellani/config-error-repro written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/mbellani/config-error-repro 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 1fe5098ad82644213a8b4bbdc6554285efe0775d88f24e36cc2af7b5021ca799
[INFO] running `Command { std: "docker" "start" "-a" "1fe5098ad82644213a8b4bbdc6554285efe0775d88f24e36cc2af7b5021ca799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fe5098ad82644213a8b4bbdc6554285efe0775d88f24e36cc2af7b5021ca799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe5098ad82644213a8b4bbdc6554285efe0775d88f24e36cc2af7b5021ca799", kill_on_drop: false }`
[INFO] [stdout] 1fe5098ad82644213a8b4bbdc6554285efe0775d88f24e36cc2af7b5021ca799
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2f024cd6fc3f0b8d446571f8503bc0dad971b7e393d12288a02a57cb7c5a45cf
[INFO] running `Command { std: "docker" "start" "-a" "2f024cd6fc3f0b8d446571f8503bc0dad971b7e393d12288a02a57cb7c5a45cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking lexical-core v0.7.5
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]  Documenting config-error-repro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.12s
[INFO] running `Command { std: "docker" "inspect" "2f024cd6fc3f0b8d446571f8503bc0dad971b7e393d12288a02a57cb7c5a45cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f024cd6fc3f0b8d446571f8503bc0dad971b7e393d12288a02a57cb7c5a45cf", kill_on_drop: false }`
[INFO] [stdout] 2f024cd6fc3f0b8d446571f8503bc0dad971b7e393d12288a02a57cb7c5a45cf