[INFO] cloning repository https://github.com/youxkei/mccode_scanner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/youxkei/mccode_scanner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouxkei%2Fmccode_scanner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyouxkei%2Fmccode_scanner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] de57947be863c93153573a6bdf8633654b8511a4
[INFO] documenting youxkei/mccode_scanner 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%2Fyouxkei%2Fmccode_scanner" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/youxkei/mccode_scanner 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/youxkei/mccode_scanner
[INFO] finished tweaking git repo https://github.com/youxkei/mccode_scanner
[INFO] tweaked toml for git repo https://github.com/youxkei/mccode_scanner written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/youxkei/mccode_scanner 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 8050f430719ad451c64d72fbec9b8a082d8186fc5a97724ffdf0d801e97e2c5e
[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" "8050f430719ad451c64d72fbec9b8a082d8186fc5a97724ffdf0d801e97e2c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8050f430719ad451c64d72fbec9b8a082d8186fc5a97724ffdf0d801e97e2c5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8050f430719ad451c64d72fbec9b8a082d8186fc5a97724ffdf0d801e97e2c5e", kill_on_drop: false }`
[INFO] [stdout] 8050f430719ad451c64d72fbec9b8a082d8186fc5a97724ffdf0d801e97e2c5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] 6c4fd05a5f32b3d2f05f02c325ce053063f046fe449bb5f5e16c70bec0e0e8b9
[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" "6c4fd05a5f32b3d2f05f02c325ce053063f046fe449bb5f5e16c70bec0e0e8b9", kill_on_drop: false }`
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking disjoint-sets v0.4.2
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking deflate v0.8.4
[INFO] [stderr]     Checking tiff v0.4.0
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking png v0.16.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking num-iter v0.1.40
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking rulinalg v0.4.2
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking image v0.23.4
[INFO] [stderr]     Checking imageproc v0.20.0
[INFO] [stderr]  Documenting mccode_scanner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.86s
[INFO] running `Command { std: "docker" "inspect" "6c4fd05a5f32b3d2f05f02c325ce053063f046fe449bb5f5e16c70bec0e0e8b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4fd05a5f32b3d2f05f02c325ce053063f046fe449bb5f5e16c70bec0e0e8b9", kill_on_drop: false }`
[INFO] [stdout] 6c4fd05a5f32b3d2f05f02c325ce053063f046fe449bb5f5e16c70bec0e0e8b9