[INFO] cloning repository https://github.com/roblabla/test-xargo-217
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/roblabla/test-xargo-217" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Ftest-xargo-217", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Ftest-xargo-217'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1c25b7ea7b829c66e11cbeba412b1d206d5e613
[INFO] documenting roblabla/test-xargo-217 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Froblabla%2Ftest-xargo-217" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/roblabla/test-xargo-217 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-9/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/roblabla/test-xargo-217
[INFO] finished tweaking git repo https://github.com/roblabla/test-xargo-217
[INFO] tweaked toml for git repo https://github.com/roblabla/test-xargo-217 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/roblabla/test-xargo-217 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b755afb424e9e40939a8bf86e09378cda009850e29c9134ecfe5a14fd39ca26
[INFO] running `Command { std: "docker" "start" "-a" "0b755afb424e9e40939a8bf86e09378cda009850e29c9134ecfe5a14fd39ca26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b755afb424e9e40939a8bf86e09378cda009850e29c9134ecfe5a14fd39ca26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b755afb424e9e40939a8bf86e09378cda009850e29c9134ecfe5a14fd39ca26", kill_on_drop: false }`
[INFO] [stdout] 0b755afb424e9e40939a8bf86e09378cda009850e29c9134ecfe5a14fd39ca26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2d4da5847c22bed117b43e2d250c200317237e3b1568c8fefd02c9170fe14d3
[INFO] running `Command { std: "docker" "start" "-a" "d2d4da5847c22bed117b43e2d250c200317237e3b1568c8fefd02c9170fe14d3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]  Documenting hello_world v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:1:45
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items, alloc_error_handler, link_args)]
[INFO] [stdout]   |                                             ^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find attribute `link_args` in this scope
[INFO] [stdout]  --> src/main.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![link_args="-nostdlib"]
[INFO] [stdout]   |    ^^^^^^^^^ help: a built-in attribute with a similar name exists: `linkage`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot determine resolution for the attribute macro `global_allocator`
[INFO] [stdout]   --> src/main.rs:17:3
[INFO] [stdout]    |
[INFO] [stdout] 17 | #[global_allocator]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: import resolution is stuck, try simplifying macro imports
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(lang_items, alloc_error_handler, link_args)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 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 document `hello_world`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name hello_world src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --document-private-items -C metadata=236a017f3feb944c -L dependency=/opt/rustwide/target/debug/deps --extern spin=/opt/rustwide/target/debug/deps/libspin-f07759e3f4294fd6.rmeta --cap-lints=warn --crate-version 0.0.1` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "d2d4da5847c22bed117b43e2d250c200317237e3b1568c8fefd02c9170fe14d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2d4da5847c22bed117b43e2d250c200317237e3b1568c8fefd02c9170fe14d3", kill_on_drop: false }`
[INFO] [stdout] d2d4da5847c22bed117b43e2d250c200317237e3b1568c8fefd02c9170fe14d3