[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 beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegodox%2Fplotters-demo" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diegodox/plotters-demo on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-11/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" "+beta-2021-09-08" "fetch" "--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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63e183de71c6d029368b5aa6f81a583395f127f1c414998b921b12b58f9b88ba
[INFO] running `Command { std: "docker" "start" "-a" "63e183de71c6d029368b5aa6f81a583395f127f1c414998b921b12b58f9b88ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63e183de71c6d029368b5aa6f81a583395f127f1c414998b921b12b58f9b88ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63e183de71c6d029368b5aa6f81a583395f127f1c414998b921b12b58f9b88ba", kill_on_drop: false }`
[INFO] [stdout] 63e183de71c6d029368b5aa6f81a583395f127f1c414998b921b12b58f9b88ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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=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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe97962e1b4a72f660f71086d3469fc28efafd6a7015726f81f72b0401397079
[INFO] running `Command { std: "docker" "start" "-a" "fe97962e1b4a72f660f71086d3469fc28efafd6a7015726f81f72b0401397079", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 satisfies dependency `servo-fontconfig-sys = "=4.0.6"` of package `servo-fontconfig v0.4.0`
[INFO] [stderr]     ... which satisfies dependency `servo-fontconfig = "=0.4.0"` of package `font-kit v0.7.1`
[INFO] [stderr]     ... which satisfies dependency `font-kit = "=0.7.1"` of package `plotters v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `plotters = "=0.3.0"` of package `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 satisfies dependency `servo-fontconfig-sys = "=5.1.0"` of package `servo-fontconfig v0.5.1`
[INFO] [stderr]     ... which satisfies dependency `servo-fontconfig = "=0.5.1"` of package `font-kit v0.10.1`
[INFO] [stderr]     ... which satisfies dependency `font-kit = "=0.10.1"` of package `iced_graphics v0.2.0`
[INFO] [stderr]     ... which satisfies dependency `iced_graphics = "=0.2.0"` of package `iced_wgpu v0.4.0`
[INFO] [stderr]     ... which satisfies dependency `iced_wgpu = "=0.4.0"` of package `iced v0.3.0`
[INFO] [stderr]     ... which satisfies dependency `iced = "=0.3.0"` of package `plotters-iced-demo v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] also links to native library `fontconfig`
[INFO] running `Command { std: "docker" "inspect" "fe97962e1b4a72f660f71086d3469fc28efafd6a7015726f81f72b0401397079", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe97962e1b4a72f660f71086d3469fc28efafd6a7015726f81f72b0401397079", kill_on_drop: false }`
[INFO] [stdout] fe97962e1b4a72f660f71086d3469fc28efafd6a7015726f81f72b0401397079