[INFO] cloning repository https://github.com/H1K0USEN/RustCBR
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/H1K0USEN/RustCBR" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1K0USEN%2FRustCBR", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1K0USEN%2FRustCBR'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65521681a10fa11b43e3abdfa9149484ba05b536
[INFO] documenting H1K0USEN/RustCBR against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FH1K0USEN%2FRustCBR" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/H1K0USEN/RustCBR on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/H1K0USEN/RustCBR
[INFO] finished tweaking git repo https://github.com/H1K0USEN/RustCBR
[INFO] tweaked toml for git repo https://github.com/H1K0USEN/RustCBR written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/H1K0USEN/RustCBR already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v1.0.25
[INFO] [stderr]   Downloaded codebreaker v0.1.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14e7302a32ea8246fce9f7b723dca14350df75300bd705f50b75c5d54bd8d3be
[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" "14e7302a32ea8246fce9f7b723dca14350df75300bd705f50b75c5d54bd8d3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14e7302a32ea8246fce9f7b723dca14350df75300bd705f50b75c5d54bd8d3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e7302a32ea8246fce9f7b723dca14350df75300bd705f50b75c5d54bd8d3be", kill_on_drop: false }`
[INFO] [stdout] 14e7302a32ea8246fce9f7b723dca14350df75300bd705f50b75c5d54bd8d3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2020-08-29" "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] f8ec5da25c370931cf1ebb2ca8e1704af87ca2548ff109e91f1c9fb02a50862d
[INFO] running `Command { std: "docker" "start" "-a" "f8ec5da25c370931cf1ebb2ca8e1704af87ca2548ff109e91f1c9fb02a50862d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling syn v1.0.25
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking codebreaker v0.1.6
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]  Documenting rustcbr v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.04s
[INFO] running `Command { std: "docker" "inspect" "f8ec5da25c370931cf1ebb2ca8e1704af87ca2548ff109e91f1c9fb02a50862d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8ec5da25c370931cf1ebb2ca8e1704af87ca2548ff109e91f1c9fb02a50862d", kill_on_drop: false }`
[INFO] [stdout] f8ec5da25c370931cf1ebb2ca8e1704af87ca2548ff109e91f1c9fb02a50862d