[INFO] cloning repository https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManyQuackingDucks%2FPrinter-firmware-upgrade-downgrader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FManyQuackingDucks%2FPrinter-firmware-upgrade-downgrader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0bab20a61a487cff9338e0eb40e52ce860333c7
[INFO] documenting ManyQuackingDucks/Printer-firmware-upgrade-downgrader 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%2FManyQuackingDucks%2FPrinter-firmware-upgrade-downgrader" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader 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] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader
[INFO] finished tweaking git repo https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader
[INFO] tweaked toml for git repo https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/ManyQuackingDucks/Printer-firmware-upgrade-downgrader 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 044062e9ca8499e2741d4525ce00714a04e87165470fd703d71e2fdfb211b16b
[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" "044062e9ca8499e2741d4525ce00714a04e87165470fd703d71e2fdfb211b16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "044062e9ca8499e2741d4525ce00714a04e87165470fd703d71e2fdfb211b16b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "044062e9ca8499e2741d4525ce00714a04e87165470fd703d71e2fdfb211b16b", kill_on_drop: false }`
[INFO] [stdout] 044062e9ca8499e2741d4525ce00714a04e87165470fd703d71e2fdfb211b16b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 27646ae1e376df6e2aec8aa132eb0eb0400f41e2322fc7f514bc4241477c8493
[INFO] running `Command { std: "docker" "start" "-a" "27646ae1e376df6e2aec8aa132eb0eb0400f41e2322fc7f514bc4241477c8493", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking ftp v3.0.1
[INFO] [stderr]  Documenting hp_mfp_m281cdw v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.42s
[INFO] running `Command { std: "docker" "inspect" "27646ae1e376df6e2aec8aa132eb0eb0400f41e2322fc7f514bc4241477c8493", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27646ae1e376df6e2aec8aa132eb0eb0400f41e2322fc7f514bc4241477c8493", kill_on_drop: false }`
[INFO] [stdout] 27646ae1e376df6e2aec8aa132eb0eb0400f41e2322fc7f514bc4241477c8493