[INFO] cloning repository https://github.com/diegodox/plotters-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diegodox/plotters-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegodox%2Fplotters-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegodox%2Fplotters-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea42122d528988ef70863a7f5baee0ec4c0238e7
[INFO] testing diegodox/plotters-demo against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegodox%2Fplotters-demo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diegodox/plotters-demo on toolchain b70888601af92f6cdc0364abab3446e418b91d36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/diegodox/plotters-demo
[INFO] finished tweaking git repo https://github.com/diegodox/plotters-demo
[INFO] tweaked toml for git repo https://github.com/diegodox/plotters-demo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/diegodox/plotters-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91b0c69ed8a6535e8a86874f63fef7ce548e0df894654dc9603c5c653f3f11b5
[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" "91b0c69ed8a6535e8a86874f63fef7ce548e0df894654dc9603c5c653f3f11b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91b0c69ed8a6535e8a86874f63fef7ce548e0df894654dc9603c5c653f3f11b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91b0c69ed8a6535e8a86874f63fef7ce548e0df894654dc9603c5c653f3f11b5", kill_on_drop: false }`
[INFO] [stdout] 91b0c69ed8a6535e8a86874f63fef7ce548e0df894654dc9603c5c653f3f11b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--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] c60f31de19f959beb853a650a5a67738e8ab11f65b24b79a9a2a1646ff62216a
[INFO] running `Command { std: "docker" "start" "-a" "c60f31de19f959beb853a650a5a67738e8ab11f65b24b79a9a2a1646ff62216a", kill_on_drop: false }`
[INFO] [stderr] error: multiple packages link to native library `fontconfig`, but a native library can be linked only once
[INFO] [stderr] 
[INFO] [stderr] package `servo-fontconfig-sys v4.0.6`
[INFO] [stderr]     ... which is depended on by `servo-fontconfig v0.4.0`
[INFO] [stderr]     ... which is depended on by `font-kit v0.7.1`
[INFO] [stderr]     ... which is depended on by `plotters v0.3.0`
[INFO] [stderr]     ... which is depended on by `plotters-iced-demo v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] links to native library `fontconfig`
[INFO] [stderr] 
[INFO] [stderr] package `servo-fontconfig-sys v5.1.0`
[INFO] [stderr]     ... which is depended on by `servo-fontconfig v0.5.1`
[INFO] [stderr]     ... which is depended on by `font-kit v0.10.1`
[INFO] [stderr]     ... which is depended on by `iced_graphics v0.2.0`
[INFO] [stderr]     ... which is depended on by `iced_wgpu v0.4.0`
[INFO] [stderr]     ... which is depended on by `iced v0.3.0`
[INFO] [stderr]     ... which is depended on by `plotters-iced-demo v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `fontconfig`
[INFO] running `Command { std: "docker" "inspect" "c60f31de19f959beb853a650a5a67738e8ab11f65b24b79a9a2a1646ff62216a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60f31de19f959beb853a650a5a67738e8ab11f65b24b79a9a2a1646ff62216a", kill_on_drop: false }`
[INFO] [stdout] c60f31de19f959beb853a650a5a67738e8ab11f65b24b79a9a2a1646ff62216a