[INFO] fetching crate screenruster-saver-fractal 0.1.1...
[INFO] documenting screenruster-saver-fractal-0.1.1 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate screenruster-saver-fractal 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate screenruster-saver-fractal 0.1.1 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate screenruster-saver-fractal 0.1.1
[INFO] finished tweaking crates.io crate screenruster-saver-fractal 0.1.1
[INFO] tweaked toml for crates.io crate screenruster-saver-fractal 0.1.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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 meval v0.0.9
[INFO] [stderr]   Downloaded screenruster-saver v0.1.8
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ace488d2986e89426c4dbaa790f5df97baf1604ee73391f6a55dc677812879fb
[INFO] running `Command { std: "docker" "start" "-a" "ace488d2986e89426c4dbaa790f5df97baf1604ee73391f6a55dc677812879fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ace488d2986e89426c4dbaa790f5df97baf1604ee73391f6a55dc677812879fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ace488d2986e89426c4dbaa790f5df97baf1604ee73391f6a55dc677812879fb", kill_on_drop: false }`
[INFO] [stdout] ace488d2986e89426c4dbaa790f5df97baf1604ee73391f6a55dc677812879fb
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66aa6a84b021f33101ae90999d517920765b144fe8228463e1bb5fc345b1c22e
[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" "66aa6a84b021f33101ae90999d517920765b144fe8228463e1bb5fc345b1c22e", kill_on_drop: false }`
[INFO] [stderr]     Checking smallvec v0.1.8
[INFO] [stderr]     Checking nom v1.2.4
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]    Compiling x11 v2.18.2
[INFO] [stderr]    Compiling glium v0.16.0
[INFO] [stderr]     Checking png v0.6.2
[INFO] [stderr]    Compiling palette v0.2.1
[INFO] [stderr]     Checking image v0.12.4
[INFO] [stderr]     Checking meval v0.0.9
[INFO] [stderr]     Checking screenruster-saver v0.1.8
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(macro_reexport, type_ascription)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]    |
[INFO] [stdout]    = note: subsumed by `pub use`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `macro_reexport` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:19:3
[INFO] [stdout]    |
[INFO] [stdout] 19 | #[macro_reexport(debug, error, info, log, log_enabled, trace, warn)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `macro_reexport` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:26:3
[INFO] [stdout]    |
[INFO] [stdout] 26 | #[macro_reexport(object, array)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `macro_reexport` in this scope
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:36:34
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[cfg_attr(feature = "renderer", macro_reexport(implement_vertex, program, uniform))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^ help: a built-in attribute with a similar name exists: `macro_export`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `select` in this scope
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:141:3
[INFO] [stdout]     |
[INFO] [stdout] 141 |         select! {
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | #![feature(macro_reexport, type_ascription)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/screenruster-saver-0.1.8/src/lib.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 | #![cfg_attr(feature = "renderer", feature(mpsc_select))]
[INFO] [stdout]    |                                   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `screenruster-saver` due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "66aa6a84b021f33101ae90999d517920765b144fe8228463e1bb5fc345b1c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66aa6a84b021f33101ae90999d517920765b144fe8228463e1bb5fc345b1c22e", kill_on_drop: false }`
[INFO] [stdout] 66aa6a84b021f33101ae90999d517920765b144fe8228463e1bb5fc345b1c22e
