[INFO] cloning repository https://github.com/bio4554/mainframe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bio4554/mainframe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbio4554%2Fmainframe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbio4554%2Fmainframe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaec101d78294f130c629cd09eb4589d31c23217
[INFO] documenting bio4554/mainframe 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%2Fbio4554%2Fmainframe" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bio4554/mainframe 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/bio4554/mainframe
[INFO] finished tweaking git repo https://github.com/bio4554/mainframe
[INFO] tweaked toml for git repo https://github.com/bio4554/mainframe written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/bio4554/mainframe 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] f401f5966b95f09914fc3713400dd6e297b07b6f4a2565f1102123fa3c2139ef
[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" "f401f5966b95f09914fc3713400dd6e297b07b6f4a2565f1102123fa3c2139ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f401f5966b95f09914fc3713400dd6e297b07b6f4a2565f1102123fa3c2139ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f401f5966b95f09914fc3713400dd6e297b07b6f4a2565f1102123fa3c2139ef", kill_on_drop: false }`
[INFO] [stdout] f401f5966b95f09914fc3713400dd6e297b07b6f4a2565f1102123fa3c2139ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 18e8f6abdeff1045990d2bfd7e94a14cdb5b04a3e453dbfa5ba2d9cf779950d4
[INFO] running `Command { std: "docker" "start" "-a" "18e8f6abdeff1045990d2bfd7e94a14cdb5b04a3e453dbfa5ba2d9cf779950d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]    Compiling specs-derive v0.4.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]    Compiling glow v0.3.0-alpha4
[INFO] [stderr]     Checking image v0.22.3
[INFO] [stderr]     Checking glutin_glx_sys v0.1.5
[INFO] [stderr]     Checking hibitset v0.6.2
[INFO] [stderr]     Checking cgmath v0.17.0
[INFO] [stderr]     Checking rusttype v0.8.2
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking wayland-client v0.23.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]     Checking wayland-protocols v0.23.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.4
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking winit v0.20.0-alpha4
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking glutin v0.22.0-alpha5
[INFO] [stderr]     Checking shred v0.9.4
[INFO] [stderr]     Checking specs v0.15.1
[INFO] [stderr]     Checking rltk v0.5.9
[INFO] [stderr]  Documenting mainframe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.55s
[INFO] running `Command { std: "docker" "inspect" "18e8f6abdeff1045990d2bfd7e94a14cdb5b04a3e453dbfa5ba2d9cf779950d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e8f6abdeff1045990d2bfd7e94a14cdb5b04a3e453dbfa5ba2d9cf779950d4", kill_on_drop: false }`
[INFO] [stdout] 18e8f6abdeff1045990d2bfd7e94a14cdb5b04a3e453dbfa5ba2d9cf779950d4