[INFO] cloning repository https://github.com/linebender/piet-gpu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/linebender/piet-gpu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinebender%2Fpiet-gpu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinebender%2Fpiet-gpu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2a2d12c5da24ee245512eabd3ba508eb73f02aa
[INFO] checking linebender/piet-gpu against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flinebender%2Fpiet-gpu" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/linebender/piet-gpu on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/linebender/piet-gpu
[INFO] finished tweaking git repo https://github.com/linebender/piet-gpu
[INFO] tweaked toml for git repo https://github.com/linebender/piet-gpu written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/linebender/piet-gpu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wayland-commons v0.28.2
[INFO] [stderr]   Downloaded wayland-cursor v0.28.2
[INFO] [stderr]   Downloaded wayland-client v0.28.2
[INFO] [stderr]   Downloaded roxmltree v0.13.0
[INFO] [stderr]   Downloaded wayland-protocols v0.28.2
[INFO] [stderr]   Downloaded wayland-scanner v0.28.2
[INFO] [stderr]   Downloaded wayland-sys v0.28.2
[INFO] [stderr]   Downloaded raw-window-metal v0.1.0
[INFO] [stderr]   Downloaded ash-window v0.5.0
[INFO] [stderr]   Downloaded piet v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be08f82a2cb238adc92e3f2baaa68c5f62050e9c82c0b532af9002ed25c6ec30
[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" "be08f82a2cb238adc92e3f2baaa68c5f62050e9c82c0b532af9002ed25c6ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be08f82a2cb238adc92e3f2baaa68c5f62050e9c82c0b532af9002ed25c6ec30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be08f82a2cb238adc92e3f2baaa68c5f62050e9c82c0b532af9002ed25c6ec30", kill_on_drop: false }`
[INFO] [stdout] be08f82a2cb238adc92e3f2baaa68c5f62050e9c82c0b532af9002ed25c6ec30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--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] 122c7421ae660b8407d8e4c6207f44e5d965f5f5ed5170b4870688b5e18cc70a
[INFO] running `Command { std: "docker" "start" "-a" "122c7421ae660b8407d8e4c6207f44e5d965f5f5ed5170b4870688b5e18cc70a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking half v1.6.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking xmlparser v0.13.3
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking libloading v0.6.5
[INFO] [stderr]     Checking instant v0.1.8
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking kurbo v0.7.1
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking maybe-uninit v2.0.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]     Checking ash v0.31.0
[INFO] [stderr]     Checking net2 v0.2.35
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking roxmltree v0.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking nix v0.18.0
[INFO] [stderr]     Checking andrew v0.3.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking unic-bidi v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling wayland-sys v0.28.2
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking piet v0.2.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]    Compiling wayland-scanner v0.28.2
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking xcursor v0.3.2
[INFO] [stderr]    Compiling wayland-client v0.28.2
[INFO] [stderr]    Compiling wayland-protocols v0.28.2
[INFO] [stderr]     Checking wayland-commons v0.28.2
[INFO] [stderr]     Checking calloop v0.6.5
[INFO] [stderr]     Checking piet-gpu-derive v0.0.0 (/opt/rustwide/workdir/piet-gpu-derive)
[INFO] [stderr]     Checking wayland-cursor v0.28.2
[INFO] [stderr]     Checking piet-gpu-types v0.0.0 (/opt/rustwide/workdir/piet-gpu-types)
[INFO] [stderr]     Checking ash-window v0.5.0
[INFO] [stderr]     Checking piet-gpu-hal v0.1.0 (/opt/rustwide/workdir/piet-gpu-hal)
[INFO] [stderr]     Checking smithay-client-toolkit v0.12.0
[INFO] [stderr]     Checking winit v0.23.0
[INFO] [stderr]     Checking piet-gpu v0.1.0 (/opt/rustwide/workdir/piet-gpu)
[INFO] [stdout] warning: function is never used: `render_tiger`
[INFO] [stdout]    --> piet-gpu/src/lib.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn render_tiger(rc: &mut impl RenderContext) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bg_image`
[INFO] [stdout]    --> piet-gpu/src/lib.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     bg_image: hub::Image,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `render_tiger`
[INFO] [stdout]    --> piet-gpu/src/lib.rs:127:4
[INFO] [stdout]     |
[INFO] [stdout] 127 | fn render_tiger(rc: &mut impl RenderContext) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `bg_image`
[INFO] [stdout]    --> piet-gpu/src/lib.rs:205:5
[INFO] [stdout]     |
[INFO] [stdout] 205 |     bg_image: hub::Image,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "122c7421ae660b8407d8e4c6207f44e5d965f5f5ed5170b4870688b5e18cc70a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "122c7421ae660b8407d8e4c6207f44e5d965f5f5ed5170b4870688b5e18cc70a", kill_on_drop: false }`
[INFO] [stdout] 122c7421ae660b8407d8e4c6207f44e5d965f5f5ed5170b4870688b5e18cc70a