[INFO] fetching crate febug 0.2.1...
[INFO] documenting febug-0.2.1 against 1.71.0 for beta-1.72-rustdoc-1
[INFO] extracting crate febug 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate febug 0.2.1 on toolchain 1.71.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.71.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate febug 0.2.1
[INFO] finished tweaking crates.io crate febug 0.2.1
[INFO] tweaked toml for crates.io crate febug 0.2.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate febug 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.71.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+1.71.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11e820be5a544fa734b9d67575d7bacc38c09d4f6cc724cfbf62debb6f719fe1
[INFO] running `Command { std: "docker" "start" "-a" "11e820be5a544fa734b9d67575d7bacc38c09d4f6cc724cfbf62debb6f719fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11e820be5a544fa734b9d67575d7bacc38c09d4f6cc724cfbf62debb6f719fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11e820be5a544fa734b9d67575d7bacc38c09d4f6cc724cfbf62debb6f719fe1", kill_on_drop: false }`
[INFO] [stdout] 11e820be5a544fa734b9d67575d7bacc38c09d4f6cc724cfbf62debb6f719fe1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+1.71.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] add88cd5d402442f253c24fcb1d815444d1cc8a62a412b8e887cc10d00b01881
[INFO] running `Command { std: "docker" "start" "-a" "add88cd5d402442f253c24fcb1d815444d1cc8a62a412b8e887cc10d00b01881", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]    Compiling febug v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting febug v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "add88cd5d402442f253c24fcb1d815444d1cc8a62a412b8e887cc10d00b01881", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "add88cd5d402442f253c24fcb1d815444d1cc8a62a412b8e887cc10d00b01881", kill_on_drop: false }`
[INFO] [stdout] add88cd5d402442f253c24fcb1d815444d1cc8a62a412b8e887cc10d00b01881
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:5c16f4e6c37141f9fef0bc86f7a492d732943053e42aab8461035881e3f53823" "/opt/rustwide/cargo-home/bin/cargo" "+1.71.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d687d01d615599522bd377292c15b8abd3bcbf8942a22f911a25bf7fa289e7e3
[INFO] running `Command { std: "docker" "start" "-a" "d687d01d615599522bd377292c15b8abd3bcbf8942a22f911a25bf7fa289e7e3", kill_on_drop: false }`
[INFO] [stderr]  Documenting febug v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "d687d01d615599522bd377292c15b8abd3bcbf8942a22f911a25bf7fa289e7e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d687d01d615599522bd377292c15b8abd3bcbf8942a22f911a25bf7fa289e7e3", kill_on_drop: false }`
[INFO] [stdout] d687d01d615599522bd377292c15b8abd3bcbf8942a22f911a25bf7fa289e7e3