[INFO] fetching crate json_env_logger 0.1.1...
[INFO] documenting json_env_logger-0.1.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate json_env_logger 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate json_env_logger 0.1.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json_env_logger 0.1.1
[INFO] finished tweaking crates.io crate json_env_logger 0.1.1
[INFO] tweaked toml for crates.io crate json_env_logger 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate json_env_logger 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 081a15990f242774763cb7e889390af225aa07d118a4e9f2b25718fcba6c9e0d
[INFO] running `Command { std: "docker" "start" "-a" "081a15990f242774763cb7e889390af225aa07d118a4e9f2b25718fcba6c9e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081a15990f242774763cb7e889390af225aa07d118a4e9f2b25718fcba6c9e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081a15990f242774763cb7e889390af225aa07d118a4e9f2b25718fcba6c9e0d", kill_on_drop: false }`
[INFO] [stdout] 081a15990f242774763cb7e889390af225aa07d118a4e9f2b25718fcba6c9e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 10bd9b8c2235bb15eac010c3e55d85bee397d39358b88948bfe7b6dac1704b64
[INFO] running `Command { std: "docker" "start" "-a" "10bd9b8c2235bb15eac010c3e55d85bee397d39358b88948bfe7b6dac1704b64", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking kv-log-macro v1.0.6
[INFO] [stderr]  Documenting json_env_logger v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "10bd9b8c2235bb15eac010c3e55d85bee397d39358b88948bfe7b6dac1704b64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10bd9b8c2235bb15eac010c3e55d85bee397d39358b88948bfe7b6dac1704b64", kill_on_drop: false }`
[INFO] [stdout] 10bd9b8c2235bb15eac010c3e55d85bee397d39358b88948bfe7b6dac1704b64
