[INFO] cloning repository https://github.com/subscript-publishing/subscript-display
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/subscript-publishing/subscript-display" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubscript-publishing%2Fsubscript-display", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsubscript-publishing%2Fsubscript-display'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dead16d9be910d3ca98c387b3f57c9004d15c869
[INFO] documenting subscript-publishing/subscript-display 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%2Fsubscript-publishing%2Fsubscript-display" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/subscript-publishing/subscript-display 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/subscript-publishing/subscript-display
[INFO] finished tweaking git repo https://github.com/subscript-publishing/subscript-display
[INFO] tweaked toml for git repo https://github.com/subscript-publishing/subscript-display written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/subscript-publishing/subscript-display 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/pdf-rs/font`
[INFO] [stderr]     Updating git repository `https://github.com/servo/pathfinder/`
[INFO] [stderr]     Updating git repository `https://github.com/s3bk/unicode-math/`
[INFO] [stderr]     Updating git repository `https://github.com/s3bk/tuple/`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded decorum v0.3.1
[INFO] [stderr]   Downloaded pdf_encoding v0.1.0
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4ddc2bcb8cffab8a7dd65c9e831a52f78719582d900cde9eaa2feaab9cc5de61
[INFO] running `Command { std: "docker" "start" "-a" "4ddc2bcb8cffab8a7dd65c9e831a52f78719582d900cde9eaa2feaab9cc5de61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ddc2bcb8cffab8a7dd65c9e831a52f78719582d900cde9eaa2feaab9cc5de61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ddc2bcb8cffab8a7dd65c9e831a52f78719582d900cde9eaa2feaab9cc5de61", kill_on_drop: false }`
[INFO] [stdout] 4ddc2bcb8cffab8a7dd65c9e831a52f78719582d900cde9eaa2feaab9cc5de61
[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] 1544ccb8a6b1c057cd18ea78714d28fde785a239047f39d5e8263b8b3315bf80
[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" "1544ccb8a6b1c057cd18ea78714d28fde785a239047f39d5e8263b8b3315bf80", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling pathfinder_resources v0.5.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling pdf_encoding v0.1.0
[INFO] [stderr]     Checking byte-slice-cast v0.3.5
[INFO] [stderr]     Checking slotmap v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking deflate v0.9.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking lexical-core v0.7.6
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling pathfinder_simd v0.5.1 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]     Checking pathfinder_color v0.5.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking pathfinder_geometry v0.5.1 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking tuple v0.5.1 (https://github.com/s3bk/tuple/#fdf8b440)
[INFO] [stderr]     Checking pathfinder_gpu v0.5.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking pathfinder_content v0.5.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]    Compiling unicode-math v0.1.0 (https://github.com/s3bk/unicode-math/#b4003f49)
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking pathfinder_ui v0.5.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking decorum v0.3.1
[INFO] [stderr]     Checking pathfinder_renderer v0.5.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]     Checking font v0.1.0 (https://github.com/pdf-rs/font#a2ff1d24)
[INFO] [stderr]     Checking pathfinder_export v0.1.0 (https://github.com/servo/pathfinder/#8f63dc7e)
[INFO] [stderr]  Documenting subscript-display v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] running `Command { std: "docker" "inspect" "1544ccb8a6b1c057cd18ea78714d28fde785a239047f39d5e8263b8b3315bf80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1544ccb8a6b1c057cd18ea78714d28fde785a239047f39d5e8263b8b3315bf80", kill_on_drop: false }`
[INFO] [stdout] 1544ccb8a6b1c057cd18ea78714d28fde785a239047f39d5e8263b8b3315bf80