[INFO] fetching crate brightness 0.4.1...
[INFO] documenting brightness-0.4.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate brightness 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate brightness 0.4.1 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 brightness 0.4.1
[INFO] finished tweaking crates.io crate brightness 0.4.1
[INFO] tweaked toml for crates.io crate brightness 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate brightness 0.4.1 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 windows v0.29.0
[INFO] [stderr]   Downloaded zvariant_derive v2.7.0
[INFO] [stderr]   Downloaded zvariant v2.7.0
[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] 211319a0e20661340fa5b58cdd8e5602632e789a8e8a96ee3544c82ec57d198f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "211319a0e20661340fa5b58cdd8e5602632e789a8e8a96ee3544c82ec57d198f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "211319a0e20661340fa5b58cdd8e5602632e789a8e8a96ee3544c82ec57d198f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "211319a0e20661340fa5b58cdd8e5602632e789a8e8a96ee3544c82ec57d198f", kill_on_drop: false }`
[INFO] [stdout] 211319a0e20661340fa5b58cdd8e5602632e789a8e8a96ee3544c82ec57d198f
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 286a14ad012426db615ce4805ca35aaabf1ec13f520ed676936964dacc4f4ba3
[INFO] running `Command { std: "docker" "start" "-a" "286a14ad012426db615ce4805ca35aaabf1ec13f520ed676936964dacc4f4ba3", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking nb-connect v1.2.0
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling zvariant_derive v2.7.0
[INFO] [stderr]    Compiling zbus_macros v1.9.1
[INFO] [stderr]     Checking zvariant v2.7.0
[INFO] [stderr]     Checking zbus v1.9.1
[INFO] [stderr]  Documenting brightness v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `Command { std: "docker" "inspect" "286a14ad012426db615ce4805ca35aaabf1ec13f520ed676936964dacc4f4ba3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "286a14ad012426db615ce4805ca35aaabf1ec13f520ed676936964dacc4f4ba3", kill_on_drop: false }`
[INFO] [stdout] 286a14ad012426db615ce4805ca35aaabf1ec13f520ed676936964dacc4f4ba3
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 60ca783cb2a3ed4ae9478792e88c6a8b2fd38e15006f7225323633359ed306e3
[INFO] running `Command { std: "docker" "start" "-a" "60ca783cb2a3ed4ae9478792e88c6a8b2fd38e15006f7225323633359ed306e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking nb-connect v1.2.0
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]    Compiling zvariant_derive v2.7.0
[INFO] [stderr]    Compiling zbus_macros v1.9.1
[INFO] [stderr]     Checking zvariant v2.7.0
[INFO] [stderr]     Checking zbus v1.9.1
[INFO] [stderr]  Documenting brightness v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "60ca783cb2a3ed4ae9478792e88c6a8b2fd38e15006f7225323633359ed306e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60ca783cb2a3ed4ae9478792e88c6a8b2fd38e15006f7225323633359ed306e3", kill_on_drop: false }`
[INFO] [stdout] 60ca783cb2a3ed4ae9478792e88c6a8b2fd38e15006f7225323633359ed306e3