[INFO] cloning repository https://github.com/fschutt/dithering-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fschutt/dithering-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fdithering-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fdithering-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 225d6d55f8d7e54354b71c73db90b5442c7a09ff
[INFO] checking fschutt/dithering-example against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffschutt%2Fdithering-example" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fschutt/dithering-example on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fschutt/dithering-example
[INFO] finished tweaking git repo https://github.com/fschutt/dithering-example
[INFO] tweaked toml for git repo https://github.com/fschutt/dithering-example written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/fschutt/dithering-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded glutin v0.9.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.4.4
[INFO] [stderr]   Downloaded shared_library v0.1.7
[INFO] [stderr]   Downloaded backtrace v0.3.4
[INFO] [stderr]   Downloaded core-foundation v0.4.4
[INFO] [stderr]   Downloaded cc v1.0.3
[INFO] [stderr]   Downloaded wayland-kbd v0.9.1
[INFO] [stderr]   Downloaded wayland-window v0.7.0
[INFO] [stderr]   Downloaded lazy_static v0.2.10
[INFO] [stderr]   Downloaded glium v0.17.1
[INFO] [stderr]   Downloaded gleam v0.4.14
[INFO] [stderr]   Downloaded winit v0.7.6
[INFO] [stderr]   Downloaded wayland-protocols v0.9.10
[INFO] [stderr]   Downloaded rand v0.3.18
[INFO] [stderr]   Downloaded x11-dl v2.16.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b49ea21eae7d7afa7b840cad93e8cf3fda2f61896530ef13be4529cb3a381a35
[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" "b49ea21eae7d7afa7b840cad93e8cf3fda2f61896530ef13be4529cb3a381a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b49ea21eae7d7afa7b840cad93e8cf3fda2f61896530ef13be4529cb3a381a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b49ea21eae7d7afa7b840cad93e8cf3fda2f61896530ef13be4529cb3a381a35", kill_on_drop: false }`
[INFO] [stdout] b49ea21eae7d7afa7b840cad93e8cf3fda2f61896530ef13be4529cb3a381a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f279cd0531f4dbf25c7623102a28c830f2e9baf6908a47fd5e9f68811adf8702
[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" "f279cd0531f4dbf25c7623102a28c830f2e9baf6908a47fd5e9f68811adf8702", kill_on_drop: false }`
[INFO] [stderr]    Compiling siphasher v0.2.2
[INFO] [stderr]    Compiling libc v0.2.33
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v0.2.10
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling cc v1.0.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking smallvec v0.4.4
[INFO] [stderr]    Compiling x11-dl v2.16.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling rand v0.3.18
[INFO] [stderr]     Checking shared_library v0.1.7
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking memmap v0.4.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking wayland-client v0.9.10
[INFO] [stderr]     Checking wayland-protocols v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.7.0
[INFO] [stderr]     Checking winit v0.7.6
[INFO] [stderr]     Checking glutin v0.9.2
[INFO] [stderr]     Checking glium v0.17.1
[INFO] [stderr]     Checking dithertest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.63s
[INFO] running `Command { std: "docker" "inspect" "f279cd0531f4dbf25c7623102a28c830f2e9baf6908a47fd5e9f68811adf8702", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f279cd0531f4dbf25c7623102a28c830f2e9baf6908a47fd5e9f68811adf8702", kill_on_drop: false }`
[INFO] [stdout] f279cd0531f4dbf25c7623102a28c830f2e9baf6908a47fd5e9f68811adf8702