[INFO] fetching crate gnir 0.16.5...
[INFO] documenting gnir-0.16.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate gnir 0.16.5 into /workspace/builds/worker-47/source
[INFO] validating manifest of crates.io crate gnir 0.16.5 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] started tweaking crates.io crate gnir 0.16.5
[INFO] finished tweaking crates.io crate gnir 0.16.5
[INFO] tweaked toml for crates.io crate gnir 0.16.5 written to /workspace/builds/worker-47/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.2.50
[INFO] [stderr]   Downloaded detsurtnu v0.7.0
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.2.50
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] f4e27d1fa96c6b8e93f452b4045c1c2babc64556cb129536bd312e22f4ab4c30
[INFO] running `Command { std: "docker" "start" "-a" "f4e27d1fa96c6b8e93f452b4045c1c2babc64556cb129536bd312e22f4ab4c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4e27d1fa96c6b8e93f452b4045c1c2babc64556cb129536bd312e22f4ab4c30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4e27d1fa96c6b8e93f452b4045c1c2babc64556cb129536bd312e22f4ab4c30", kill_on_drop: false }`
[INFO] [stdout] f4e27d1fa96c6b8e93f452b4045c1c2babc64556cb129536bd312e22f4ab4c30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-47/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] 47f8b0c9e8e77d85cc817d0c9595dc881dbf5aa715c8eeb14f30086d0983123e
[INFO] running `Command { std: "docker" "start" "-a" "47f8b0c9e8e77d85cc817d0c9595dc881dbf5aa715c8eeb14f30086d0983123e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking detsurtnu v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]    Compiling gnir v0.16.5 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `gnir` due to 2 previous errors; 1 warning emitted
[INFO] [stdout] warning: lint `legacy_directory_ownership` has been removed: converted into hard error, see issue #37872 <https://github.com/rust-lang/rust/issues/37872> for more information
[INFO] [stdout]   --> build.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     legacy_directory_ownership,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]    --> build.rs:421:10
[INFO] [stdout]     |
[INFO] [stdout] 421 |     libs.into_iter()
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> build.rs:33:5
[INFO] [stdout]     |
[INFO] [stdout] 33  |     warnings
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     = note: `#[forbid(array_into_iter)]` implied by `#[forbid(warnings)]`
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 421 |     libs.iter()
[INFO] [stdout]     |          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 421 |     IntoIterator::into_iter(libs)
[INFO] [stdout]     |     ++++++++++++++++++++++++    ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "47f8b0c9e8e77d85cc817d0c9595dc881dbf5aa715c8eeb14f30086d0983123e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47f8b0c9e8e77d85cc817d0c9595dc881dbf5aa715c8eeb14f30086d0983123e", kill_on_drop: false }`
[INFO] [stdout] 47f8b0c9e8e77d85cc817d0c9595dc881dbf5aa715c8eeb14f30086d0983123e