[INFO] updating cached repository https://github.com/michaeljones/mango
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4e6cd39c5c1dd481d2d8d99e13083017ce6bc683
[INFO] documenting michaeljones/mango against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmichaeljones%2Fmango" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/michaeljones/mango on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/michaeljones/mango
[INFO] finished tweaking git repo https://github.com/michaeljones/mango
[INFO] tweaked toml for git repo https://github.com/michaeljones/mango written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/michaeljones/mango already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", 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] 1b2e3dc86df7dc03aa3d2ba1b73788246aded55ffd44a3f437e4e070ddb03346
[INFO] running `Command { std: "docker" "start" "-a" "1b2e3dc86df7dc03aa3d2ba1b73788246aded55ffd44a3f437e4e070ddb03346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2e3dc86df7dc03aa3d2ba1b73788246aded55ffd44a3f437e4e070ddb03346", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2e3dc86df7dc03aa3d2ba1b73788246aded55ffd44a3f437e4e070ddb03346", kill_on_drop: false }`
[INFO] [stdout] 1b2e3dc86df7dc03aa3d2ba1b73788246aded55ffd44a3f437e4e070ddb03346
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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] d3c4319807065552b58437daefe9ebb2996ee2062137ba5894f6a4b7223f5509
[INFO] running `Command { std: "docker" "start" "-a" "d3c4319807065552b58437daefe9ebb2996ee2062137ba5894f6a4b7223f5509", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]    Compiling bitflags v1.0.1
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling libloading v0.4.3
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling num-traits v0.1.41
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling cfg-if v0.1.2
[INFO] [stderr]     Checking token_store v0.1.2
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling khronos_api v2.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking fixedbitset v0.1.8
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking rustc-demangle v0.1.5
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking linked-hash-map v0.5.0
[INFO] [stderr]     Checking byteorder v0.4.2
[INFO] [stderr]     Checking serde v1.0.27
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]     Checking ansi_term v0.10.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking json v0.11.12
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]     Checking unreachable v0.1.1
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]     Checking piston-viewport v0.3.0
[INFO] [stderr]     Checking arrayvec v0.4.6
[INFO] [stderr]     Checking petgraph v0.4.10
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking stb_truetype v0.2.1
[INFO] [stderr]     Checking rand v0.3.19
[INFO] [stderr]     Checking memmap v0.6.1
[INFO] [stderr]     Checking shared_library v0.1.8
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking yaml-rust v0.4.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking num-complex v0.1.41
[INFO] [stderr]     Checking ordered-float v0.5.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]    Compiling conrod_derive v0.1.0
[INFO] [stderr]     Checking clap v2.29.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling x11-dl v2.17.2
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking rusttype v0.3.0
[INFO] [stderr]     Checking dlib v0.4.0
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]     Checking num-bigint v0.1.41
[INFO] [stderr]    Compiling wayland-scanner v0.12.4
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling wayland-scanner v0.9.10
[INFO] [stderr]     Checking wayland-sys v0.12.4
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.40
[INFO] [stderr]    Compiling wayland-client v0.12.4
[INFO] [stderr]    Compiling wayland-protocols v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking num v0.1.41
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling glutin v0.11.0
[INFO] [stderr]    Compiling glium v0.19.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.13.0
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking wayland-window v0.13.2
[INFO] [stderr]     Checking winit v0.9.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking conrod v0.57.0
[INFO] [stderr]  Documenting mango v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 50s
[INFO] running `Command { std: "docker" "inspect" "d3c4319807065552b58437daefe9ebb2996ee2062137ba5894f6a4b7223f5509", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3c4319807065552b58437daefe9ebb2996ee2062137ba5894f6a4b7223f5509", kill_on_drop: false }`
[INFO] [stdout] d3c4319807065552b58437daefe9ebb2996ee2062137ba5894f6a4b7223f5509