[INFO] cloning repository https://github.com/fschutt/wr_mem_test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fschutt/wr_mem_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fwr_mem_test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fwr_mem_test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9b1f0640ad4ad6c4c8b47c81b36b40c027f9d0b7
[INFO] documenting fschutt/wr_mem_test 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%2Ffschutt%2Fwr_mem_test" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fschutt/wr_mem_test 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/fschutt/wr_mem_test
[INFO] finished tweaking git repo https://github.com/fschutt/wr_mem_test
[INFO] tweaked toml for git repo https://github.com/fschutt/wr_mem_test written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/fschutt/wr_mem_test 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]     Updating git repository `https://github.com/servo/webrender.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glutin v0.20.0
[INFO] [stderr]   Downloaded font-loader v0.8.0
[INFO] [stderr]   Downloaded glutin_wgl_sys v0.1.2
[INFO] [stderr]   Downloaded app_units v0.7.1
[INFO] [stderr]   Downloaded glutin_egl_sys v0.1.2
[INFO] [stderr]   Downloaded malloc_size_of_derive v0.1.0
[INFO] [stderr]   Downloaded gleam v0.6.14
[INFO] [stderr]   Downloaded core-text v10.0.0
[INFO] [stderr]   Downloaded glutin_gles2_sys v0.1.2
[INFO] [stderr]   Downloaded glutin_glx_sys v0.1.2
[INFO] [stderr]   Downloaded cstr v0.1.7
[INFO] [stderr]   Downloaded binary-space-partition v0.1.2
[INFO] [stderr]   Downloaded serde_bytes v0.10.5
[INFO] [stderr]   Downloaded winit v0.19.0
[INFO] [stderr]   Downloaded thread_profiler v0.1.3
[INFO] [stderr]   Downloaded cstr-macros v0.1.5
[INFO] [stderr]   Downloaded dwrote v0.8.0
[INFO] [stderr]   Downloaded plane-split v0.13.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6fbfdf6af2fa6dfe008a5c3de22636bb699106d39b6442e6787eda1a1a0c0374
[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" "6fbfdf6af2fa6dfe008a5c3de22636bb699106d39b6442e6787eda1a1a0c0374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6fbfdf6af2fa6dfe008a5c3de22636bb699106d39b6442e6787eda1a1a0c0374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6fbfdf6af2fa6dfe008a5c3de22636bb699106d39b6442e6787eda1a1a0c0374", kill_on_drop: false }`
[INFO] [stdout] 6fbfdf6af2fa6dfe008a5c3de22636bb699106d39b6442e6787eda1a1a0c0374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stdout] 33b4a10f309e7d3c147f82fffceb7afec5236a1a6873c9f6b9ee62bba3202135
[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" "33b4a10f309e7d3c147f82fffceb7afec5236a1a6873c9f6b9ee62bba3202135", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling nix v0.12.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]    Compiling fake-simd v0.1.2
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling procedural-masquerade v0.1.6
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling block-padding v0.1.3
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking walkdir v2.2.7
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling bincode v1.1.2
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
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[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking block-buffer v0.7.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking wayland-sys v0.21.11
[INFO] [stderr]     Checking freetype v0.4.1
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking sha2 v0.8.0
[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 font-loader v0.8.0
[INFO] [stderr]     Checking rusttype v0.7.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.2
[INFO] [stderr]    Compiling gleam v0.6.14
[INFO] [stderr]     Checking webrender_build v0.0.1 (https://github.com/servo/webrender.git?rev=f1037064b74b9f3dbcdd825433b0965341583c57#f1037064)
[INFO] [stderr]     Checking andrew v0.2.0
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling webrender v0.60.0 (https://github.com/servo/webrender.git?rev=f1037064b74b9f3dbcdd825433b0965341583c57#f1037064)
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.11
[INFO] [stderr]    Compiling wayland-protocols v0.21.11
[INFO] [stderr]     Checking wayland-commons v0.21.11
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]    Compiling cstr-macros v0.1.5
[INFO] [stderr]    Compiling malloc_size_of_derive v0.1.0
[INFO] [stderr]     Checking cstr v0.1.7
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking winit v0.19.0
[INFO] [stderr]     Checking glutin v0.20.0
[INFO] [stderr]     Checking euclid v0.19.6
[INFO] [stderr]     Checking app_units v0.7.1
[INFO] [stderr]     Checking serde_bytes v0.10.5
[INFO] [stderr]     Checking wr_malloc_size_of v0.0.1 (https://github.com/servo/webrender.git?rev=f1037064b74b9f3dbcdd825433b0965341583c57#f1037064)
[INFO] [stderr]     Checking plane-split v0.13.8
[INFO] [stderr]     Checking webrender_api v0.60.0 (https://github.com/servo/webrender.git?rev=f1037064b74b9f3dbcdd825433b0965341583c57#f1037064)
[INFO] [stderr]  Documenting wr_mem_usage v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 49s
[INFO] running `Command { std: "docker" "inspect" "33b4a10f309e7d3c147f82fffceb7afec5236a1a6873c9f6b9ee62bba3202135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33b4a10f309e7d3c147f82fffceb7afec5236a1a6873c9f6b9ee62bba3202135", kill_on_drop: false }`
[INFO] [stdout] 33b4a10f309e7d3c147f82fffceb7afec5236a1a6873c9f6b9ee62bba3202135