[INFO] cloning repository https://github.com/digitalillusion/remote_colonies
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/digitalillusion/remote_colonies" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigitalillusion%2Fremote_colonies", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdigitalillusion%2Fremote_colonies'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5968be83f6ac8042880029f40e30c887eec65f7f
[INFO] documenting digitalillusion/remote_colonies 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%2Fdigitalillusion%2Fremote_colonies" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/digitalillusion/remote_colonies 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/digitalillusion/remote_colonies
[INFO] finished tweaking git repo https://github.com/digitalillusion/remote_colonies
[INFO] tweaked toml for git repo https://github.com/digitalillusion/remote_colonies written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/digitalillusion/remote_colonies 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 gdnative-bindings v0.8.1
[INFO] [stderr]   Downloaded gdnative-sys v0.8.1
[INFO] [stderr]   Downloaded gdnative_bindings_generator v0.8.1
[INFO] [stderr]   Downloaded gdnative v0.8.1
[INFO] [stderr]   Downloaded gdnative-core v0.8.1
[INFO] [stderr]   Downloaded gdnative-derive v0.8.1
[INFO] [stderr]   Downloaded mcts v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2d98bdfad2db6c6bb36aaaeea4811fd7175b3cb20f162118f246e680f297c809
[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" "2d98bdfad2db6c6bb36aaaeea4811fd7175b3cb20f162118f246e680f297c809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d98bdfad2db6c6bb36aaaeea4811fd7175b3cb20f162118f246e680f297c809", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d98bdfad2db6c6bb36aaaeea4811fd7175b3cb20f162118f246e680f297c809", kill_on_drop: false }`
[INFO] [stdout] 2d98bdfad2db6c6bb36aaaeea4811fd7175b3cb20f162118f246e680f297c809
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a37948062cad60aa1fb4679e411e5bf59fe3737fc9279f4e893f19ecd689a88f
[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" "a37948062cad60aa1fb4679e411e5bf59fe3737fc9279f4e893f19ecd689a88f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling bindgen v0.51.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.6
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mcts v0.3.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]     Checking euclid v0.20.13
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling gdnative-derive v0.8.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.53
[INFO] [stderr]    Compiling gdnative_bindings_generator v0.8.1
[INFO] [stderr]    Compiling gdnative-sys v0.8.1
[INFO] [stderr]    Compiling gdnative-core v0.8.1
[INFO] [stderr]    Compiling gdnative-bindings v0.8.1
[INFO] [stderr]     Checking gdnative v0.8.1
[INFO] [stderr]  Documenting remote-colonies v0.1.0 (/opt/rustwide/workdir)
[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(clamp)]
[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(associated_type_bounds)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `remote-colonies`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type cdylib --crate-name remote_colonies 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 gdnative=/opt/rustwide/target/debug/deps/libgdnative-73387b5bfcf48e8c.rmeta --extern mcts=/opt/rustwide/target/debug/deps/libmcts-5407429737e28a08.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-c38880f5f03aa648.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a37948062cad60aa1fb4679e411e5bf59fe3737fc9279f4e893f19ecd689a88f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a37948062cad60aa1fb4679e411e5bf59fe3737fc9279f4e893f19ecd689a88f", kill_on_drop: false }`
[INFO] [stdout] a37948062cad60aa1fb4679e411e5bf59fe3737fc9279f4e893f19ecd689a88f