[INFO] cloning repository https://github.com/lcerdeira/dragon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lcerdeira/dragon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcerdeira%2Fdragon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcerdeira%2Fdragon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eaba16b8dd3691667a43589993ce999d89198393
[INFO] documenting lcerdeira/dragon against 1.98.0-beta.1 for beta-rustdoc-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcerdeira%2Fdragon" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lcerdeira/dragon
[INFO] finished tweaking git repo https://github.com/lcerdeira/dragon
[INFO] tweaked toml for git repo https://github.com/lcerdeira/dragon written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lcerdeira/dragon on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lcerdeira/dragon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568
[INFO] running `Command { std: "docker" "start" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking bv v0.11.1
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[INFO] [stderr]     Checking vers-vecs v1.9.0
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[INFO] [stdout] error[E0659]: `unroll` is ambiguous
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vers-vecs-1.9.0/src/util/unroll.rs:17:16
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub(crate) use unroll;
[INFO] [stdout]    |                ^^^^^^ ambiguous name
[INFO] [stdout]    |
[INFO] [stdout]    = note: ambiguous because of a name conflict with a builtin attribute
[INFO] [stdout]    = note: `unroll` could refer to a built-in attribute
[INFO] [stdout] note: `unroll` could also refer to the macro defined here
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/vers-vecs-1.9.0/src/util/unroll.rs:5:1
[INFO] [stdout]    |
[INFO] [stdout]  5 | / macro_rules! unroll {
[INFO] [stdout]  6 | |     (1, |$i:ident = {$e:expr}| $s:stmt, $inc:expr) => { let mut $i: usize = $e; $s };
[INFO] [stdout]  7 | |     (2, |$i:ident = {$e:expr}| $s:stmt, $inc:expr) => { unroll!(1, |$i = {$e}| $s, $inc); $inc; $s };
[INFO] [stdout]  8 | |     (3, |$i:ident = {$e:expr}| $s:stmt, $inc:expr) => { unroll!(2, |$i = {$e}| $s, $inc); $inc; $s };
[INFO] [stdout] ...  |
[INFO] [stdout] 13 | |     (8, |$i:ident = {$e:expr}| $s:stmt, $inc:expr) => { unroll!(7, |$i = {$e}| $s, $inc); $inc; $s };
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.32
[INFO] [stderr]     Checking hyper-util v0.1.20
[INFO] [stderr]     Checking tower v0.5.3
[INFO] [stderr]     Checking futures v0.3.32
[INFO] [stderr]     Checking idna_adapter v1.2.2
[INFO] [stderr]     Checking idna v1.1.0
[INFO] [stdout] For more information about this error, try `rustc --explain E0659`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vers-vecs` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568", kill_on_drop: false }`
[INFO] [stdout] c2d7dac01d0053bd7243fc748dab72b7892bf7924299f336f54d7af38f815568
