[INFO] cloning repository https://github.com/viperscape/font-atlas-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/viperscape/font-atlas-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperscape%2Ffont-atlas-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperscape%2Ffont-atlas-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 43dfdcb0ebe55ee0f44e4768463477fae906035d
[INFO] documenting viperscape/font-atlas-example against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fviperscape%2Ffont-atlas-example" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/viperscape/font-atlas-example 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 git repo https://github.com/viperscape/font-atlas-example
[INFO] finished tweaking git repo https://github.com/viperscape/font-atlas-example
[INFO] tweaked toml for git repo https://github.com/viperscape/font-atlas-example written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/viperscape/font-atlas-example 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] error: the lock file /workspace/builds/worker-2/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded font-atlas-image v0.1.2
[INFO] [stderr]   Downloaded font-atlas v0.1.4
[INFO] [stderr]   Downloaded image v0.3.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ad280551de798bd9fa678801d17d1a0925f68a9fed3b81de8f63dba156f1caf7
[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" "ad280551de798bd9fa678801d17d1a0925f68a9fed3b81de8f63dba156f1caf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad280551de798bd9fa678801d17d1a0925f68a9fed3b81de8f63dba156f1caf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad280551de798bd9fa678801d17d1a0925f68a9fed3b81de8f63dba156f1caf7", kill_on_drop: false }`
[INFO] [stdout] ad280551de798bd9fa678801d17d1a0925f68a9fed3b81de8f63dba156f1caf7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1aff4a9fc789e1d87ac88852a7e05ba8a1a63e7e34f62e1860726c6122b8edda
[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" "1aff4a9fc789e1d87ac88852a7e05ba8a1a63e7e34f62e1860726c6122b8edda", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v0.3.13
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glium v0.27.0
[INFO] [stderr]     Checking libloading v0.5.2
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking wayland-sys v0.23.6
[INFO] [stderr]     Checking font-atlas v0.1.4
[INFO] [stderr]     Checking bincode v0.3.0
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking nalgebra v0.22.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking enum_primitive v0.0.1
[INFO] [stderr]     Checking image v0.3.9
[INFO] [stdout] error[E0532]: expected tuple struct or tuple variant, found unit variant `ImageError::NotEnoughData`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/image-0.3.9/./src/image.rs:67:13
[INFO] [stdout]    |
[INFO] [stdout] 67 |             ImageError::NotEnoughData(..) => &"Not enough data",
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^ not a tuple struct or tuple variant
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking calloop v0.4.4
[INFO] [stderr]     Checking wayland-commons v0.23.6
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0532`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `image`.
[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" "1aff4a9fc789e1d87ac88852a7e05ba8a1a63e7e34f62e1860726c6122b8edda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aff4a9fc789e1d87ac88852a7e05ba8a1a63e7e34f62e1860726c6122b8edda", kill_on_drop: false }`
[INFO] [stdout] 1aff4a9fc789e1d87ac88852a7e05ba8a1a63e7e34f62e1860726c6122b8edda