[INFO] cloning repository https://github.com/jeremystucki/pixel-perfect
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremystucki/pixel-perfect" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremystucki%2Fpixel-perfect", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremystucki%2Fpixel-perfect'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f1e04604721ab477f0cef89068098c71fd0a1c6
[INFO] documenting jeremystucki/pixel-perfect against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremystucki%2Fpixel-perfect" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jeremystucki/pixel-perfect 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 git repo https://github.com/jeremystucki/pixel-perfect
[INFO] finished tweaking git repo https://github.com/jeremystucki/pixel-perfect
[INFO] tweaked toml for git repo https://github.com/jeremystucki/pixel-perfect written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/jeremystucki/pixel-perfect 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 jpeg-decoder v0.1.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 052384bfc22f5c0100798e827548bd18556c0a46f84f0894635692ee24178995
[INFO] running `Command { std: "docker" "start" "-a" "052384bfc22f5c0100798e827548bd18556c0a46f84f0894635692ee24178995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "052384bfc22f5c0100798e827548bd18556c0a46f84f0894635692ee24178995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "052384bfc22f5c0100798e827548bd18556c0a46f84f0894635692ee24178995", kill_on_drop: false }`
[INFO] [stdout] 052384bfc22f5c0100798e827548bd18556c0a46f84f0894635692ee24178995
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] fbc32b4ea6dd336e4b572f0d41ae27cbaf2d5af253079bc5a6d765e475046d5a
[INFO] running `Command { std: "docker" "start" "-a" "fbc32b4ea6dd336e4b572f0d41ae27cbaf2d5af253079bc5a6d765e475046d5a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.60
[INFO] [stderr]    Compiling bumpalo v3.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling wasm-bindgen v0.2.60
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.60
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.60
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.60
[INFO] [stderr]     Checking pixel-perfect-core v1.0.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting pixel-perfect-core v1.0.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]  Documenting pixel-perfect v1.0.0 (/opt/rustwide/workdir/cli)
[INFO] [stderr]  Documenting pixel-perfect-wasm v1.0.0 (/opt/rustwide/workdir/wasm)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.14s
[INFO] running `Command { std: "docker" "inspect" "fbc32b4ea6dd336e4b572f0d41ae27cbaf2d5af253079bc5a6d765e475046d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbc32b4ea6dd336e4b572f0d41ae27cbaf2d5af253079bc5a6d765e475046d5a", kill_on_drop: false }`
[INFO] [stdout] fbc32b4ea6dd336e4b572f0d41ae27cbaf2d5af253079bc5a6d765e475046d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] c1091e5d91c15f71ae99a58ba390c620ea10790775a19e03d3a9a2a2c6b75127
[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" "c1091e5d91c15f71ae99a58ba390c620ea10790775a19e03d3a9a2a2c6b75127", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "c1091e5d91c15f71ae99a58ba390c620ea10790775a19e03d3a9a2a2c6b75127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1091e5d91c15f71ae99a58ba390c620ea10790775a19e03d3a9a2a2c6b75127", kill_on_drop: false }`
[INFO] [stdout] c1091e5d91c15f71ae99a58ba390c620ea10790775a19e03d3a9a2a2c6b75127