[INFO] cloning repository https://github.com/Edgeworth/memestr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Edgeworth/memestr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemestr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemestr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03421d1655530d59c098dccb0dbb6c39ea42bfa1
[INFO] documenting Edgeworth/memestr against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEdgeworth%2Fmemestr" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Edgeworth/memestr on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Edgeworth/memestr
[INFO] finished tweaking git repo https://github.com/Edgeworth/memestr
[INFO] tweaked toml for git repo https://github.com/Edgeworth/memestr written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Edgeworth/memestr already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 104b1c58f841a1e548669c6265c1fd40d5ec2b0a8c560f59895cb9e189d6357f
[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" "104b1c58f841a1e548669c6265c1fd40d5ec2b0a8c560f59895cb9e189d6357f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "104b1c58f841a1e548669c6265c1fd40d5ec2b0a8c560f59895cb9e189d6357f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104b1c58f841a1e548669c6265c1fd40d5ec2b0a8c560f59895cb9e189d6357f", kill_on_drop: false }`
[INFO] [stdout] 104b1c58f841a1e548669c6265c1fd40d5ec2b0a8c560f59895cb9e189d6357f
[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" "+beta-2022-05-20" "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] d57e7c2a39fd3d807ca15cdb00de4b66a939c3cdc280fca0084b903a8d913e2f
[INFO] running `Command { std: "docker" "start" "-a" "d57e7c2a39fd3d807ca15cdb00de4b66a939c3cdc280fca0084b903a8d913e2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]  Documenting memestr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.27s
[INFO] running `Command { std: "docker" "inspect" "d57e7c2a39fd3d807ca15cdb00de4b66a939c3cdc280fca0084b903a8d913e2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57e7c2a39fd3d807ca15cdb00de4b66a939c3cdc280fca0084b903a8d913e2f", kill_on_drop: false }`
[INFO] [stdout] d57e7c2a39fd3d807ca15cdb00de4b66a939c3cdc280fca0084b903a8d913e2f
[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" "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" "+beta-2022-05-20" "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] 3f32ff8bef944617b76041572860e75b8a1a7f1eccff86a69cfdca2458a4b6fb
[INFO] running `Command { std: "docker" "start" "-a" "3f32ff8bef944617b76041572860e75b8a1a7f1eccff86a69cfdca2458a4b6fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.92
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]  Documenting memestr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.97s
[INFO] running `Command { std: "docker" "inspect" "3f32ff8bef944617b76041572860e75b8a1a7f1eccff86a69cfdca2458a4b6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f32ff8bef944617b76041572860e75b8a1a7f1eccff86a69cfdca2458a4b6fb", kill_on_drop: false }`
[INFO] [stdout] 3f32ff8bef944617b76041572860e75b8a1a7f1eccff86a69cfdca2458a4b6fb