[INFO] cloning repository https://github.com/zacharygolba/snaptest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacharygolba/snaptest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharygolba%2Fsnaptest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharygolba%2Fsnaptest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 910fa2a629e40d4b0840217f5c8b87ed360f878a
[INFO] documenting zacharygolba/snaptest 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%2Fzacharygolba%2Fsnaptest" "/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/zacharygolba/snaptest 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/zacharygolba/snaptest
[INFO] finished tweaking git repo https://github.com/zacharygolba/snaptest
[INFO] tweaked toml for git repo https://github.com/zacharygolba/snaptest written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zacharygolba/snaptest 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bincode v1.0.0
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded libc v0.2.39
[INFO] [stderr]   Downloaded backtrace-sys v0.1.16
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.7
[INFO] [stderr]   Downloaded serde v1.0.33
[INFO] [stderr]   Downloaded cc v1.0.8
[INFO] [stderr]   Downloaded backtrace v0.3.5
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded skittles v0.1.0
[INFO] [stderr]   Downloaded trail v0.1.0
[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" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49eed83d047c41b231f3a6f861c82c324a966193736d2545f0e95ee7f7a1730a
[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" "49eed83d047c41b231f3a6f861c82c324a966193736d2545f0e95ee7f7a1730a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49eed83d047c41b231f3a6f861c82c324a966193736d2545f0e95ee7f7a1730a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49eed83d047c41b231f3a6f861c82c324a966193736d2545f0e95ee7f7a1730a", kill_on_drop: false }`
[INFO] [stdout] 49eed83d047c41b231f3a6f861c82c324a966193736d2545f0e95ee7f7a1730a
[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" "+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] c5e9e2ec8c0b2fa2668a81271646c3404a0f29cda6831bda57b51e5be3713355
[INFO] running `Command { std: "docker" "start" "-a" "c5e9e2ec8c0b2fa2668a81271646c3404a0f29cda6831bda57b51e5be3713355", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking trail v0.1.0
[INFO] [stderr]     Checking skittles v0.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]  Documenting snaptest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.26s
[INFO] running `Command { std: "docker" "inspect" "c5e9e2ec8c0b2fa2668a81271646c3404a0f29cda6831bda57b51e5be3713355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5e9e2ec8c0b2fa2668a81271646c3404a0f29cda6831bda57b51e5be3713355", kill_on_drop: false }`
[INFO] [stdout] c5e9e2ec8c0b2fa2668a81271646c3404a0f29cda6831bda57b51e5be3713355
[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" "+1.61.0" "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] f7b5869e4b150191061ea13f71c6c3ef2e4070551154efb157efc8a7ba49f91c
[INFO] running `Command { std: "docker" "start" "-a" "f7b5869e4b150191061ea13f71c6c3ef2e4070551154efb157efc8a7ba49f91c", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cc v1.0.8
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking byteorder v1.2.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking trail v0.1.0
[INFO] [stderr]     Checking diff v0.1.11
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking skittles v0.1.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking bincode v1.0.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]  Documenting snaptest v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.64s
[INFO] running `Command { std: "docker" "inspect" "f7b5869e4b150191061ea13f71c6c3ef2e4070551154efb157efc8a7ba49f91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b5869e4b150191061ea13f71c6c3ef2e4070551154efb157efc8a7ba49f91c", kill_on_drop: false }`
[INFO] [stdout] f7b5869e4b150191061ea13f71c6c3ef2e4070551154efb157efc8a7ba49f91c