[INFO] fetching crate smol-potat 1.1.2...
[INFO] documenting smol-potat-1.1.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate smol-potat 1.1.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate smol-potat 1.1.2 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate smol-potat 1.1.2
[INFO] finished tweaking crates.io crate smol-potat 1.1.2
[INFO] tweaked toml for crates.io crate smol-potat 1.1.2 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate smol-potat 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-channel v1.5.1
[INFO] [stderr]   Downloaded fastrand v1.4.0
[INFO] [stderr]   Downloaded futures-lite v1.11.2
[INFO] [stderr]   Downloaded polling v2.0.2
[INFO] [stderr]   Downloaded async-lock v2.3.0
[INFO] [stderr]   Downloaded vec-arena v1.0.0
[INFO] [stderr]   Downloaded async-process v1.0.1
[INFO] [stderr]   Downloaded async-net v1.5.0
[INFO] [stderr]   Downloaded wepoll-sys v3.0.1
[INFO] [stderr]   Downloaded smol-potat-macro v0.6.0
[INFO] [stderr]   Downloaded nb-connect v1.0.2
[INFO] [stderr]   Downloaded syn v1.0.52
[INFO] [stderr]   Downloaded async-executor v1.4.0
[INFO] [stderr]   Downloaded async-io v1.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9844fbbc2f1a53b9255981629c075c8846470c7be26a24a9986d0d2d3c612035
[INFO] running `Command { std: "docker" "start" "-a" "9844fbbc2f1a53b9255981629c075c8846470c7be26a24a9986d0d2d3c612035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9844fbbc2f1a53b9255981629c075c8846470c7be26a24a9986d0d2d3c612035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9844fbbc2f1a53b9255981629c075c8846470c7be26a24a9986d0d2d3c612035", kill_on_drop: false }`
[INFO] [stdout] 9844fbbc2f1a53b9255981629c075c8846470c7be26a24a9986d0d2d3c612035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53865a0837088b57bc3314497a9ec9361e20ec0344e94b415a28d398f4761abb
[INFO] running `Command { std: "docker" "start" "-a" "53865a0837088b57bc3314497a9ec9361e20ec0344e94b415a28d398f4761abb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking async-io v1.3.0
[INFO] [stderr]    Compiling smol-potat-macro v0.6.0
[INFO] [stderr]  Documenting smol-potat v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.46s
[INFO] running `Command { std: "docker" "inspect" "53865a0837088b57bc3314497a9ec9361e20ec0344e94b415a28d398f4761abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53865a0837088b57bc3314497a9ec9361e20ec0344e94b415a28d398f4761abb", kill_on_drop: false }`
[INFO] [stdout] 53865a0837088b57bc3314497a9ec9361e20ec0344e94b415a28d398f4761abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 9b464da670ac521372ff604556eacd743f2fa1a2e0c348a2e1c590ec6948fd67
[INFO] running `Command { std: "docker" "start" "-a" "9b464da670ac521372ff604556eacd743f2fa1a2e0c348a2e1c590ec6948fd67", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]     Checking fastrand v1.4.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking vec-arena v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking nb-connect v1.0.2
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking async-io v1.3.0
[INFO] [stderr]    Compiling smol-potat-macro v0.6.0
[INFO] [stderr]  Documenting smol-potat v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "9b464da670ac521372ff604556eacd743f2fa1a2e0c348a2e1c590ec6948fd67", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9b464da670ac521372ff604556eacd743f2fa1a2e0c348a2e1c590ec6948fd67", kill_on_drop: false }`
[INFO] [stdout] 9b464da670ac521372ff604556eacd743f2fa1a2e0c348a2e1c590ec6948fd67