[INFO] fetching crate outline 0.2.1...
[INFO] documenting outline-0.2.1 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate outline 0.2.1 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate outline 0.2.1 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 crates.io crate outline 0.2.1
[INFO] finished tweaking crates.io crate outline 0.2.1
[INFO] tweaked toml for crates.io crate outline 0.2.1 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] crate crates.io crate outline 0.2.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] e4c6c6a2165f6998f332035d4a857e12536eb82d09c7da1159d5b90d105a02bc
[INFO] running `Command { std: "docker" "start" "-a" "e4c6c6a2165f6998f332035d4a857e12536eb82d09c7da1159d5b90d105a02bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4c6c6a2165f6998f332035d4a857e12536eb82d09c7da1159d5b90d105a02bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4c6c6a2165f6998f332035d4a857e12536eb82d09c7da1159d5b90d105a02bc", kill_on_drop: false }`
[INFO] [stdout] e4c6c6a2165f6998f332035d4a857e12536eb82d09c7da1159d5b90d105a02bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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] [stdout] 5a3eef3a38adca63135ac677ce9efab336fca24b6e81cf3aa9842e943e4cadf9
[INFO] running `Command { std: "docker" "start" "-a" "5a3eef3a38adca63135ac677ce9efab336fca24b6e81cf3aa9842e943e4cadf9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]  Documenting outline v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.32s
[INFO] running `Command { std: "docker" "inspect" "5a3eef3a38adca63135ac677ce9efab336fca24b6e81cf3aa9842e943e4cadf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a3eef3a38adca63135ac677ce9efab336fca24b6e81cf3aa9842e943e4cadf9", kill_on_drop: false }`
[INFO] [stdout] 5a3eef3a38adca63135ac677ce9efab336fca24b6e81cf3aa9842e943e4cadf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 53d5aa08fd33364133e0a18a38dbe3dceff017c270f5baa1fadd06fc1a8d2555
[INFO] running `Command { std: "docker" "start" "-a" "53d5aa08fd33364133e0a18a38dbe3dceff017c270f5baa1fadd06fc1a8d2555", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]  Documenting outline v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.13s
[INFO] running `Command { std: "docker" "inspect" "53d5aa08fd33364133e0a18a38dbe3dceff017c270f5baa1fadd06fc1a8d2555", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53d5aa08fd33364133e0a18a38dbe3dceff017c270f5baa1fadd06fc1a8d2555", kill_on_drop: false }`
[INFO] [stdout] 53d5aa08fd33364133e0a18a38dbe3dceff017c270f5baa1fadd06fc1a8d2555