[INFO] fetching crate json-spanned-value 0.2.2...
[INFO] documenting json-spanned-value-0.2.2 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate json-spanned-value 0.2.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate json-spanned-value 0.2.2 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-spanned-value 0.2.2
[INFO] finished tweaking crates.io crate json-spanned-value 0.2.2
[INFO] tweaked toml for crates.io crate json-spanned-value 0.2.2 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate json-spanned-value 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded codespan-reporting v0.9.5
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f434c7d0773f41ebecde665baf349d5d76748f52edd2fd1c01ed4e18f6645e2
[INFO] running `Command { std: "docker" "start" "-a" "2f434c7d0773f41ebecde665baf349d5d76748f52edd2fd1c01ed4e18f6645e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f434c7d0773f41ebecde665baf349d5d76748f52edd2fd1c01ed4e18f6645e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f434c7d0773f41ebecde665baf349d5d76748f52edd2fd1c01ed4e18f6645e2", kill_on_drop: false }`
[INFO] [stdout] 2f434c7d0773f41ebecde665baf349d5d76748f52edd2fd1c01ed4e18f6645e2
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b3d5fa98789e9e61200916075e8d89ce4ae30e8da2db5dcba911c5c2b7dbb4d8
[INFO] running `Command { std: "docker" "start" "-a" "b3d5fa98789e9e61200916075e8d89ce4ae30e8da2db5dcba911c5c2b7dbb4d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_json v1.0.58
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]  Documenting json-spanned-value v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.63s
[INFO] running `Command { std: "docker" "inspect" "b3d5fa98789e9e61200916075e8d89ce4ae30e8da2db5dcba911c5c2b7dbb4d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3d5fa98789e9e61200916075e8d89ce4ae30e8da2db5dcba911c5c2b7dbb4d8", kill_on_drop: false }`
[INFO] [stdout] b3d5fa98789e9e61200916075e8d89ce4ae30e8da2db5dcba911c5c2b7dbb4d8
