[INFO] fetching crate piet-coregraphics 0.2.0-pre1...
[INFO] documenting piet-coregraphics-0.2.0-pre1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate piet-coregraphics 0.2.0-pre1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate piet-coregraphics 0.2.0-pre1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate piet-coregraphics 0.2.0-pre1
[INFO] finished tweaking crates.io crate piet-coregraphics 0.2.0-pre1
[INFO] tweaked toml for crates.io crate piet-coregraphics 0.2.0-pre1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate piet-coregraphics 0.2.0-pre1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unic-ucd-bidi v0.9.0
[INFO] [stderr]   Downloaded core-text v19.0.0
[INFO] [stderr]   Downloaded unic-bidi v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8ce480d4030ab0110bde3973ee7bb0018ff5e79e965f3bd11d68dc1ddebf7bd
[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" "a8ce480d4030ab0110bde3973ee7bb0018ff5e79e965f3bd11d68dc1ddebf7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8ce480d4030ab0110bde3973ee7bb0018ff5e79e965f3bd11d68dc1ddebf7bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8ce480d4030ab0110bde3973ee7bb0018ff5e79e965f3bd11d68dc1ddebf7bd", kill_on_drop: false }`
[INFO] [stdout] a8ce480d4030ab0110bde3973ee7bb0018ff5e79e965f3bd11d68dc1ddebf7bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "RUSTDOCFLAGS=--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa399a1fc269a82837c341e4afae759f25bce381371c9a21fe0a0ea64ef621a2
[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" "fa399a1fc269a82837c341e4afae759f25bce381371c9a21fe0a0ea64ef621a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.8.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking piet v0.2.0-pre1
[INFO] [stdout] error: couldn't read /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piet-0.2.0-pre1/src/samples/../../../snapshots/resources/Anaheim-Regular.ttf: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piet-0.2.0-pre1/src/samples/picture_13.rs:16:28
[INFO] [stdout]    |
[INFO] [stdout] 16 |       let _ = text.load_font(include_bytes!(
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 17 | |         "../../../snapshots/resources/Anaheim-Regular.ttf"
[INFO] [stdout] 18 | |     ));
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piet-0.2.0-pre1/src/samples/../../../snapshots/resources/Anaheim-Bold.ttf: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piet-0.2.0-pre1/src/samples/picture_13.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 |           .load_font(include_bytes!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 21 | |             "../../../snapshots/resources/Anaheim-Bold.ttf"
[INFO] [stdout] 22 | |         ))
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: couldn't read /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piet-0.2.0-pre1/src/samples/../../../snapshots/resources/Inconsolata-variable.ttf: No such file or directory (os error 2)
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/piet-0.2.0-pre1/src/samples/picture_14.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 |           .load_font(include_bytes!(
[INFO] [stdout]    |  ____________________^
[INFO] [stdout] 18 | |             "../../../snapshots/resources/Inconsolata-variable.ttf"
[INFO] [stdout] 19 | |         ))
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-ucd-bidi v0.9.0
[INFO] [stderr]     Checking unic-bidi v0.9.0
[INFO] [stderr] error: could not compile `piet`.
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fa399a1fc269a82837c341e4afae759f25bce381371c9a21fe0a0ea64ef621a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa399a1fc269a82837c341e4afae759f25bce381371c9a21fe0a0ea64ef621a2", kill_on_drop: false }`
[INFO] [stdout] fa399a1fc269a82837c341e4afae759f25bce381371c9a21fe0a0ea64ef621a2