[INFO] cloning repository https://github.com/HeliosPanoptes/tundra
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HeliosPanoptes/tundra" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeliosPanoptes%2Ftundra", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeliosPanoptes%2Ftundra'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2459d714ef6d0c50d7d30fb31188ebc0f59078eb
[INFO] documenting HeliosPanoptes/tundra against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeliosPanoptes%2Ftundra" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HeliosPanoptes/tundra on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HeliosPanoptes/tundra
[INFO] finished tweaking git repo https://github.com/HeliosPanoptes/tundra
[INFO] tweaked toml for git repo https://github.com/HeliosPanoptes/tundra written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/HeliosPanoptes/tundra already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71259f9342c1f0d407b1de0ebab101b14d49dec22cb9f71c02694c29ba2ef190
[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" "71259f9342c1f0d407b1de0ebab101b14d49dec22cb9f71c02694c29ba2ef190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71259f9342c1f0d407b1de0ebab101b14d49dec22cb9f71c02694c29ba2ef190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71259f9342c1f0d407b1de0ebab101b14d49dec22cb9f71c02694c29ba2ef190", kill_on_drop: false }`
[INFO] [stdout] 71259f9342c1f0d407b1de0ebab101b14d49dec22cb9f71c02694c29ba2ef190
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+394e1b40d264aa6928811919c1124fa248e7d802" "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] a24ffc531aecb963e028411c0cc369883ccf05747f8289a491fd9618bdb699b0
[INFO] running `Command { std: "docker" "start" "-a" "a24ffc531aecb963e028411c0cc369883ccf05747f8289a491fd9618bdb699b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]     Checking piston-float v0.3.0
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking instant v0.1.1
[INFO] [stderr]     Checking conrod_winit v0.67.0
[INFO] [stderr]     Checking find_folder v0.3.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking piston-viewport v0.5.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking stb_truetype v0.3.0
[INFO] [stderr]     Checking memoffset v0.5.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking x11-dl v2.18.4
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rayon v1.2.0
[INFO] [stderr]     Checking rusttype v0.8.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling glium v0.24.0
[INFO] [stderr]     Checking daggy v0.5.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.16
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]    Compiling conrod_derive v0.67.0
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking pistoncore-input v0.24.0
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking winit v0.19.3
[INFO] [stderr]     Checking image v0.22.2
[INFO] [stderr]     Checking conrod_core v0.67.0
[INFO] [stderr]     Checking glutin v0.20.1
[INFO] [stderr]     Checking conrod_glium v0.67.0
[INFO] [stderr]  Documenting tundra v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "a24ffc531aecb963e028411c0cc369883ccf05747f8289a491fd9618bdb699b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a24ffc531aecb963e028411c0cc369883ccf05747f8289a491fd9618bdb699b0", kill_on_drop: false }`
[INFO] [stdout] a24ffc531aecb963e028411c0cc369883ccf05747f8289a491fd9618bdb699b0