[INFO] cloning repository https://github.com/AdrianDanis/dominion
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AdrianDanis/dominion" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianDanis%2Fdominion", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianDanis%2Fdominion'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 425f807ba64f852c92b18d7019273ea8cd65f3a0
[INFO] documenting AdrianDanis/dominion against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAdrianDanis%2Fdominion" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AdrianDanis/dominion 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] removed /workspace/builds/worker-10/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/AdrianDanis/dominion
[INFO] finished tweaking git repo https://github.com/AdrianDanis/dominion
[INFO] tweaked toml for git repo https://github.com/AdrianDanis/dominion written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/AdrianDanis/dominion already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stdout] 15af7ea1ad712e1bdeb2901b87b22ff5d42b19350d5903079a9136bdb82a1043
[INFO] running `Command { std: "docker" "start" "-a" "15af7ea1ad712e1bdeb2901b87b22ff5d42b19350d5903079a9136bdb82a1043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15af7ea1ad712e1bdeb2901b87b22ff5d42b19350d5903079a9136bdb82a1043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15af7ea1ad712e1bdeb2901b87b22ff5d42b19350d5903079a9136bdb82a1043", kill_on_drop: false }`
[INFO] [stdout] 15af7ea1ad712e1bdeb2901b87b22ff5d42b19350d5903079a9136bdb82a1043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 2baae35091c513a0018008a8114954f12b333b85623a6f44da66c96a3d04bba8
[INFO] running `Command { std: "docker" "start" "-a" "2baae35091c513a0018008a8114954f12b333b85623a6f44da66c96a3d04bba8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.13
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking dom_core v0.1.0 (/opt/rustwide/workdir/dom_core)
[INFO] [stderr]  Documenting dom_core v0.1.0 (/opt/rustwide/workdir/dom_core)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> dom_core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> dom_core/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(vec_remove_item)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `dom_core`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name dom_core dom_core/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 enum_map=/opt/rustwide/target/debug/deps/libenum_map-1b3dbc4607bff55d.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-db0ee91b5622ae55.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<Option<Card>>` in the current scope
[INFO] [stdout]    --> dom_core/src/state.rs:335:32
[INFO] [stdout]     |
[INFO] [stdout] 335 |                 if player.hand.remove_item(&Some(card)).is_none() {
[INFO] [stdout]     |                                ^^^^^^^^^^^ method not found in `Vec<Option<Card>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `remove_item` found for struct `Vec<Option<Card>>` in the current scope
[INFO] [stdout]    --> dom_core/src/state.rs:336:33
[INFO] [stdout]     |
[INFO] [stdout] 336 |                     player.hand.remove_item(&None)?;
[INFO] [stdout]     |                                 ^^^^^^^^^^^ method not found in `Vec<Option<Card>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2baae35091c513a0018008a8114954f12b333b85623a6f44da66c96a3d04bba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2baae35091c513a0018008a8114954f12b333b85623a6f44da66c96a3d04bba8", kill_on_drop: false }`
[INFO] [stdout] 2baae35091c513a0018008a8114954f12b333b85623a6f44da66c96a3d04bba8
