[INFO] cloning repository https://github.com/usagrada/mdbook-ruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/usagrada/mdbook-ruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusagrada%2Fmdbook-ruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusagrada%2Fmdbook-ruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3b5b0017a1bc2a1fe2228c3b1db34b358339312
[INFO] documenting usagrada/mdbook-ruby against 1.100.0-beta.1 for beta-rustdoc-1.100
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fusagrada%2Fmdbook-ruby" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/usagrada/mdbook-ruby
[INFO] finished tweaking git repo https://github.com/usagrada/mdbook-ruby
[INFO] tweaked toml for git repo https://github.com/usagrada/mdbook-ruby written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/usagrada/mdbook-ruby on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/usagrada/mdbook-ruby 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac", 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" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac", 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" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stdout] error[E0597]: `local_ctx` does not live long enough
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/mdbook-0.4.12/src/renderer/html_handlebars/helpers/navigation.rs:154:25
[INFO] [stdout]     |
[INFO] [stdout] 153 |             let local_ctx = Context::wraps(&context)?;
[INFO] [stdout]     |                 --------- binding `local_ctx` declared here
[INFO] [stdout] 154 |             t.render(r, &local_ctx, &mut local_rc, out)
[INFO] [stdout]     |                         ^^^^^^^^^^ borrowed value does not live long enough
[INFO] [stdout] 155 |         })?;
[INFO] [stdout]     |         -
[INFO] [stdout]     |         |
[INFO] [stdout]     |         `local_ctx` dropped here while still borrowed
[INFO] [stdout]     |         borrow might be used here, when `local_rc` is dropped and runs the destructor for type `handlebars::RenderContext<'_, '_>`
[INFO] [stdout]     |
[INFO] [stdout]     = note: values in a scope are dropped in the opposite order they are defined
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0597`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mdbook` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac", kill_on_drop: false }`
[INFO] [stdout] e4f6d4063eaae919e617c85a4598bcf659cc6d7f5870b58d9a894f66ea0d81ac
