[INFO] fetching crate plotters-font-loader 0.8.2...
[INFO] checking plotters-font-loader-0.8.2 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate plotters-font-loader 0.8.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate plotters-font-loader 0.8.2 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "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-4/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e99a0587c26e5981505f8487bb7d87e680d78a302d935a1c3df5980e4de1fdb2
[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" "e99a0587c26e5981505f8487bb7d87e680d78a302d935a1c3df5980e4de1fdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e99a0587c26e5981505f8487bb7d87e680d78a302d935a1c3df5980e4de1fdb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e99a0587c26e5981505f8487bb7d87e680d78a302d935a1c3df5980e4de1fdb2", kill_on_drop: false }`
[INFO] [stdout] e99a0587c26e5981505f8487bb7d87e680d78a302d935a1c3df5980e4de1fdb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b69ea6c5d639a788f492e5eca6232da09d6fc6126a2852a8dc60afbc0229338
[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" "7b69ea6c5d639a788f492e5eca6232da09d6fc6126a2852a8dc60afbc0229338", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.46
[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" "7b69ea6c5d639a788f492e5eca6232da09d6fc6126a2852a8dc60afbc0229338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b69ea6c5d639a788f492e5eca6232da09d6fc6126a2852a8dc60afbc0229338", kill_on_drop: false }`
[INFO] [stdout] 7b69ea6c5d639a788f492e5eca6232da09d6fc6126a2852a8dc60afbc0229338