[INFO] fetching crate mw 0.1.0...
[INFO] documenting mw-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate mw 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mw 0.1.0 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 mw 0.1.0
[INFO] finished tweaking crates.io crate mw 0.1.0
[INFO] tweaked toml for crates.io crate mw 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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 pyo3-macros v0.15.2
[INFO] [stderr]   Downloaded pyo3-macros-backend v0.15.2
[INFO] [stderr]   Downloaded pyo3-build-config v0.15.2
[INFO] [stderr]   Downloaded pyo3 v0.15.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dcc41e2e17964c6e043ea74f48e4e4ff0b80ffb5164d756ecd480c626fd34e40
[INFO] running `Command { std: "docker" "start" "-a" "dcc41e2e17964c6e043ea74f48e4e4ff0b80ffb5164d756ecd480c626fd34e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dcc41e2e17964c6e043ea74f48e4e4ff0b80ffb5164d756ecd480c626fd34e40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcc41e2e17964c6e043ea74f48e4e4ff0b80ffb5164d756ecd480c626fd34e40", kill_on_drop: false }`
[INFO] [stdout] dcc41e2e17964c6e043ea74f48e4e4ff0b80ffb5164d756ecd480c626fd34e40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 35cdb3d3e5079d508695f0e07339eff816307d0de8f7881ab0da06304fc6aa19
[INFO] running `Command { std: "docker" "start" "-a" "35cdb3d3e5079d508695f0e07339eff816307d0de8f7881ab0da06304fc6aa19", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling unindent v0.1.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]  Documenting mw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.86s
[INFO] running `Command { std: "docker" "inspect" "35cdb3d3e5079d508695f0e07339eff816307d0de8f7881ab0da06304fc6aa19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35cdb3d3e5079d508695f0e07339eff816307d0de8f7881ab0da06304fc6aa19", kill_on_drop: false }`
[INFO] [stdout] 35cdb3d3e5079d508695f0e07339eff816307d0de8f7881ab0da06304fc6aa19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "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: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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 267c3f340c806494573cd4d0095cfb870977ba8684b90e120b55b8da239d95c0
[INFO] running `Command { std: "docker" "start" "-a" "267c3f340c806494573cd4d0095cfb870977ba8684b90e120b55b8da239d95c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling pyo3-build-config v0.15.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling once_cell v1.12.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling unindent v0.1.9
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]    Compiling pyo3 v0.15.2
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]    Compiling pyo3-macros-backend v0.15.2
[INFO] [stderr]    Compiling indoc-impl v0.3.6
[INFO] [stderr]    Compiling pyo3-macros v0.15.2
[INFO] [stderr]     Checking indoc v0.3.6
[INFO] [stderr]  Documenting mw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.36s
[INFO] running `Command { std: "docker" "inspect" "267c3f340c806494573cd4d0095cfb870977ba8684b90e120b55b8da239d95c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "267c3f340c806494573cd4d0095cfb870977ba8684b90e120b55b8da239d95c0", kill_on_drop: false }`
[INFO] [stdout] 267c3f340c806494573cd4d0095cfb870977ba8684b90e120b55b8da239d95c0