[INFO] fetching crate plotters-font-loader 0.8.2...
[INFO] checking plotters-font-loader-0.8.2 against beta for pr-78714
[INFO] extracting crate plotters-font-loader 0.8.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate plotters-font-loader 0.8.2 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate plotters-font-loader 0.8.2
[INFO] finished tweaking crates.io crate plotters-font-loader 0.8.2
[INFO] tweaked toml for crates.io crate plotters-font-loader 0.8.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate plotters-font-loader 0.8.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 011793c5b5a3d0eef0f8fe67e69e5a366f51d2ee9563453c96ee1b20b2bb8a41
[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" "011793c5b5a3d0eef0f8fe67e69e5a366f51d2ee9563453c96ee1b20b2bb8a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "011793c5b5a3d0eef0f8fe67e69e5a366f51d2ee9563453c96ee1b20b2bb8a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "011793c5b5a3d0eef0f8fe67e69e5a366f51d2ee9563453c96ee1b20b2bb8a41", kill_on_drop: false }`
[INFO] [stdout] 011793c5b5a3d0eef0f8fe67e69e5a366f51d2ee9563453c96ee1b20b2bb8a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ec8fef141e8d4c73b62ee852d2d5a3d11b047874405eacacb3f6c972b357f0b
[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" "9ec8fef141e8d4c73b62ee852d2d5a3d11b047874405eacacb3f6c972b357f0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling pkg-config v0.3.16
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]    Compiling cmake v0.1.42
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]     Checking servo-fontconfig v0.4.0
[INFO] [stderr]     Checking plotters-font-loader v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `font_loader`
[INFO] [stdout]   --> examples/list-fonts.rs:19:1
[INFO] [stdout]    |
[INFO] [stdout] 19 | extern crate font_loader as fonts;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `plotters-font-loader`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9ec8fef141e8d4c73b62ee852d2d5a3d11b047874405eacacb3f6c972b357f0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ec8fef141e8d4c73b62ee852d2d5a3d11b047874405eacacb3f6c972b357f0b", kill_on_drop: false }`
[INFO] [stdout] 9ec8fef141e8d4c73b62ee852d2d5a3d11b047874405eacacb3f6c972b357f0b