[INFO] fetching crate twre_ecs 0.0.2...
[INFO] documenting twre_ecs-0.0.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate twre_ecs 0.0.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate twre_ecs 0.0.2 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 twre_ecs 0.0.2
[INFO] finished tweaking crates.io crate twre_ecs 0.0.2
[INFO] tweaked toml for crates.io crate twre_ecs 0.0.2 written to /workspace/builds/worker-12/source/Cargo.toml
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 77a06d36fef2d6565955c88ac7d96d3b90e931d17ca1e0ba4fa0109551dd76b0
[INFO] running `Command { std: "docker" "start" "-a" "77a06d36fef2d6565955c88ac7d96d3b90e931d17ca1e0ba4fa0109551dd76b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77a06d36fef2d6565955c88ac7d96d3b90e931d17ca1e0ba4fa0109551dd76b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77a06d36fef2d6565955c88ac7d96d3b90e931d17ca1e0ba4fa0109551dd76b0", kill_on_drop: false }`
[INFO] [stdout] 77a06d36fef2d6565955c88ac7d96d3b90e931d17ca1e0ba4fa0109551dd76b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 74f10a3c676853f0144b93df17348fe54db817a82c52fd22720fc4d9e99eb822
[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" "74f10a3c676853f0144b93df17348fe54db817a82c52fd22720fc4d9e99eb822", kill_on_drop: false }`
[INFO] [stderr]  Documenting twre_ecs v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `std::marker::Reflect`, `std::marker::MarkerTrait`
[INFO] [stdout]  --> src/core/component.rs:3:19
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::{Reflect, MarkerTrait};
[INFO] [stdout]   |                   ^^^^^^^  ^^^^^^^^^^^ no `MarkerTrait` in `marker`
[INFO] [stdout]   |                   |
[INFO] [stdout]   |                   no `Reflect` in `marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::marker::Reflect`
[INFO] [stdout]  --> src/core/store.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::marker::Reflect;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^ no `Reflect` in `marker`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::collections::vec_map`, `std::collections::vec_map`
[INFO] [stdout]  --> src/vec_map.rs:2:23
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::vec_map::{self, VecMap};
[INFO] [stdout]   |                       ^^^^^^^   ^^^^ no `vec_map` in `collections`
[INFO] [stdout]   |                       |
[INFO] [stdout]   |                       could not find `vec_map` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::collections::BitSet`
[INFO] [stdout]  --> src/bit_set.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::collections::BitSet;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `BitSet` in `collections`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(core)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(collections)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `twre_ecs`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name twre_ecs src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --cap-lints=warn --crate-version 0.0.2` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "74f10a3c676853f0144b93df17348fe54db817a82c52fd22720fc4d9e99eb822", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74f10a3c676853f0144b93df17348fe54db817a82c52fd22720fc4d9e99eb822", kill_on_drop: false }`
[INFO] [stdout] 74f10a3c676853f0144b93df17348fe54db817a82c52fd22720fc4d9e99eb822