[INFO] cloning repository https://github.com/Bulmenisaurus/rust-png
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Bulmenisaurus/rust-png" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBulmenisaurus%2Frust-png", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBulmenisaurus%2Frust-png'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 377a383f80d3796cf8e10ed3edd173680947a5f2
[INFO] documenting Bulmenisaurus/rust-png 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%2FBulmenisaurus%2Frust-png" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Bulmenisaurus/rust-png 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/Bulmenisaurus/rust-png
[INFO] finished tweaking git repo https://github.com/Bulmenisaurus/rust-png
[INFO] tweaked toml for git repo https://github.com/Bulmenisaurus/rust-png written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Bulmenisaurus/rust-png 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] c4ef684345b67d1e6e356884e34816ec1c458eb47a24317d127511d3eda20bdf
[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" "c4ef684345b67d1e6e356884e34816ec1c458eb47a24317d127511d3eda20bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4ef684345b67d1e6e356884e34816ec1c458eb47a24317d127511d3eda20bdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4ef684345b67d1e6e356884e34816ec1c458eb47a24317d127511d3eda20bdf", kill_on_drop: false }`
[INFO] [stdout] c4ef684345b67d1e6e356884e34816ec1c458eb47a24317d127511d3eda20bdf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] a9431f82cbf8aa9d25fc1b72a58623f9aadd21a1215e68cf2cbd4ca37f77359b
[INFO] running `Command { std: "docker" "start" "-a" "a9431f82cbf8aa9d25fc1b72a58623f9aadd21a1215e68cf2cbd4ca37f77359b", kill_on_drop: false }`
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking libc v0.2.112
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.67s
[INFO] running `Command { std: "docker" "inspect" "a9431f82cbf8aa9d25fc1b72a58623f9aadd21a1215e68cf2cbd4ca37f77359b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9431f82cbf8aa9d25fc1b72a58623f9aadd21a1215e68cf2cbd4ca37f77359b", kill_on_drop: false }`
[INFO] [stdout] a9431f82cbf8aa9d25fc1b72a58623f9aadd21a1215e68cf2cbd4ca37f77359b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+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] e41f19a8d6b7a3372b6a497ac1980a6f70d037f513f477fcf85e2ca3bd1677e8
[INFO] running `Command { std: "docker" "start" "-a" "e41f19a8d6b7a3372b6a497ac1980a6f70d037f513f477fcf85e2ca3bd1677e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking crc-catalog v1.1.1
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking crc v2.1.0
[INFO] [stderr]     Checking deflate v1.0.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]  Documenting png v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.66s
[INFO] running `Command { std: "docker" "inspect" "e41f19a8d6b7a3372b6a497ac1980a6f70d037f513f477fcf85e2ca3bd1677e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e41f19a8d6b7a3372b6a497ac1980a6f70d037f513f477fcf85e2ca3bd1677e8", kill_on_drop: false }`
[INFO] [stdout] e41f19a8d6b7a3372b6a497ac1980a6f70d037f513f477fcf85e2ca3bd1677e8