[INFO] cloning repository https://github.com/eumenesofcardib/wgpu-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eumenesofcardib/wgpu-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feumenesofcardib%2Fwgpu-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feumenesofcardib%2Fwgpu-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffbe59365b698e67396d67a04aadcc3ce2a77b1a
[INFO] documenting eumenesofcardib/wgpu-tutorial 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%2Feumenesofcardib%2Fwgpu-tutorial" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  76% (978/1283)   
Checking out files:  77% (988/1283)   
Checking out files:  78% (1001/1283)   
Checking out files:  79% (1014/1283)   
Checking out files:  80% (1027/1283)   
Checking out files:  81% (1040/1283)   
Checking out files:  82% (1053/1283)   
Checking out files:  83% (1065/1283)   
Checking out files:  84% (1078/1283)   
Checking out files:  85% (1091/1283)   
Checking out files:  86% (1104/1283)   
Checking out files:  86% (1116/1283)   
Checking out files:  87% (1117/1283)   
Checking out files:  88% (1130/1283)   
Checking out files:  89% (1142/1283)   
Checking out files:  90% (1155/1283)   
Checking out files:  91% (1168/1283)   
Checking out files:  92% (1181/1283)   
Checking out files:  93% (1194/1283)   
Checking out files:  93% (1195/1283)   
Checking out files:  94% (1207/1283)   
Checking out files:  95% (1219/1283)   
Checking out files:  96% (1232/1283)   
Checking out files:  97% (1245/1283)   
Checking out files:  98% (1258/1283)   
Checking out files:  99% (1271/1283)   
Checking out files:  99% (1277/1283)   
Checking out files: 100% (1283/1283)   
Checking out files: 100% (1283/1283), done.
[INFO] validating manifest of git repo https://github.com/eumenesofcardib/wgpu-tutorial 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/eumenesofcardib/wgpu-tutorial
[INFO] finished tweaking git repo https://github.com/eumenesofcardib/wgpu-tutorial
[INFO] tweaked toml for git repo https://github.com/eumenesofcardib/wgpu-tutorial written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/eumenesofcardib/wgpu-tutorial 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0fd986bcc7992d5485ddd60758aa08b609668687d0a7fe604b716c7d798765a0
[INFO] running `Command { std: "docker" "start" "-a" "0fd986bcc7992d5485ddd60758aa08b609668687d0a7fe604b716c7d798765a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fd986bcc7992d5485ddd60758aa08b609668687d0a7fe604b716c7d798765a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fd986bcc7992d5485ddd60758aa08b609668687d0a7fe604b716c7d798765a0", kill_on_drop: false }`
[INFO] [stdout] 0fd986bcc7992d5485ddd60758aa08b609668687d0a7fe604b716c7d798765a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 50f96ac67e652a69a4ca175fa4d628f0993215b8df2b7d0db64c8b03f1cefcdb
[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" "50f96ac67e652a69a4ca175fa4d628f0993215b8df2b7d0db64c8b03f1cefcdb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling shaderc-sys v0.6.2
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]     Checking gfx-hal v0.5.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]    Compiling peek-poke-derive v0.2.1
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking tiff v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking jpeg-decoder v0.1.19
[INFO] [stderr]     Checking ash v0.30.0
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking image v0.22.5
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking smithay-client-toolkit v0.6.6
[INFO] [stderr]     Checking peek-poke v0.2.0
[INFO] [stderr]     Checking wgpu-types v0.5.1
[INFO] [stderr] error: could not compile `gfx-hal`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name gfx_hal --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gfx-hal-0.5.2/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi --crate-type lib --emit=dep-info,metadata -Cembed-bitcode=no -C debuginfo=2 -C metadata=bb6ef2caa3339384 -C extra-filename=-bb6ef2caa3339384 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern bitflags=/opt/rustwide/target/debug/deps/libbitflags-e1a9b9121eac1683.rmeta --extern raw_window_handle=/opt/rustwide/target/debug/deps/libraw_window_handle-43d8badca8979cbb.rmeta --cap-lints allow` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: Checking for system installed libraries.  Use --features = build-from-source to disable this behavior
[INFO] [stderr] warning: System installed library not found.  Falling back to build from source
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "50f96ac67e652a69a4ca175fa4d628f0993215b8df2b7d0db64c8b03f1cefcdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50f96ac67e652a69a4ca175fa4d628f0993215b8df2b7d0db64c8b03f1cefcdb", kill_on_drop: false }`
[INFO] [stdout] 50f96ac67e652a69a4ca175fa4d628f0993215b8df2b7d0db64c8b03f1cefcdb