[INFO] cloning repository https://github.com/wgjak47/fafnir
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wgjak47/fafnir" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgjak47%2Ffafnir", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgjak47%2Ffafnir'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b238ed9b8496c8b1558765834fe51fcaf501219a
[INFO] documenting wgjak47/fafnir against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwgjak47%2Ffafnir" "/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/wgjak47/fafnir on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wgjak47/fafnir
[INFO] finished tweaking git repo https://github.com/wgjak47/fafnir
[INFO] tweaked toml for git repo https://github.com/wgjak47/fafnir written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/wgjak47/fafnir already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a3c3b45de791e245f9144b477fb6fd920180b852d808abfe84d43cf273f90926
[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" "a3c3b45de791e245f9144b477fb6fd920180b852d808abfe84d43cf273f90926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3c3b45de791e245f9144b477fb6fd920180b852d808abfe84d43cf273f90926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3c3b45de791e245f9144b477fb6fd920180b852d808abfe84d43cf273f90926", kill_on_drop: false }`
[INFO] [stdout] a3c3b45de791e245f9144b477fb6fd920180b852d808abfe84d43cf273f90926
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 46f6da2671da73746c4d3ecd3b29c81f550212cb4c7ae5f11f21a4a17aaa9f2d
[INFO] running `Command { std: "docker" "start" "-a" "46f6da2671da73746c4d3ecd3b29c81f550212cb4c7ae5f11f21a4a17aaa9f2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking whoami v0.8.1
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling jobserver v0.1.17
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]     Checking getrandom v0.1.13
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking shellexpand v1.1.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling libgit2-sys v0.12.5+1.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]     Checking console v0.10.3
[INFO] [stderr]     Checking dialoguer v0.5.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]     Checking git2 v0.13.5
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking git2_credentials v0.6.0
[INFO] [stderr]  Documenting fafnir v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "46f6da2671da73746c4d3ecd3b29c81f550212cb4c7ae5f11f21a4a17aaa9f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46f6da2671da73746c4d3ecd3b29c81f550212cb4c7ae5f11f21a4a17aaa9f2d", kill_on_drop: false }`
[INFO] [stdout] 46f6da2671da73746c4d3ecd3b29c81f550212cb4c7ae5f11f21a4a17aaa9f2d