[INFO] fetching crate klondike-rs 1.1.0...
[INFO] documenting klondike-rs-1.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate klondike-rs 1.1.0 into /workspace/builds/worker-96/source
[INFO] validating manifest of crates.io crate klondike-rs 1.1.0 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 }`
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[INFO] finished tweaking crates.io crate klondike-rs 1.1.0
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[INFO] crate crates.io crate klondike-rs 1.1.0 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 }`
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[INFO] [stdout] 3e9a28a23b9ec983d1e1d22562384dfb0c9cd729cff75774f39ba0646574bbf8
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[INFO] running `Command { std: "docker" "inspect" "3e9a28a23b9ec983d1e1d22562384dfb0c9cd729cff75774f39ba0646574bbf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e9a28a23b9ec983d1e1d22562384dfb0c9cd729cff75774f39ba0646574bbf8", kill_on_drop: false }`
[INFO] [stdout] 3e9a28a23b9ec983d1e1d22562384dfb0c9cd729cff75774f39ba0646574bbf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-96/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 }`
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[INFO] [stderr]     Checking klondike-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting klondike-rs v1.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display/help.rs:152:71
[INFO] [stdout]     |
[INFO] [stdout] 152 |             Self::List(keys) => keys.iter().map(|key| key.char_len()).intersperse(3).sum(),
[INFO] [stdout]     |                                                                       ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: an associated function with this name may be added to the standard library in the future
[INFO] [stdout]    --> src/display/help.rs:168:22
[INFO] [stdout]     |
[INFO] [stdout] 168 |                     .intersperse(
[INFO] [stdout]     |                      ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]     = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]     = help: call with fully qualified syntax `itertools::Itertools::intersperse(...)` to keep using the current method
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stdout] 37eb0d262c9ed0cd9f26f6f682734f79b9e947fa6c2259f30a9598897b213a18
