[INFO] cloning repository https://github.com/hsanzg/exact-covers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hsanzg/exact-covers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsanzg%2Fexact-covers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsanzg%2Fexact-covers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bae3c65073092f9ad728759e3c14d8d5a780e6c4
[INFO] documenting hsanzg/exact-covers against master#8afe9ff1caa97654c31fb8c259dac9fdf67d6302 for pr-151918-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhsanzg%2Fexact-covers" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/hsanzg/exact-covers
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/hsanzg/exact-covers
[INFO] tweaked toml for git repo https://github.com/hsanzg/exact-covers written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hsanzg/exact-covers on toolchain 8afe9ff1caa97654c31fb8c259dac9fdf67d6302
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hsanzg/exact-covers 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" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v2.0.0-alpha.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2adebf7ed50f71dfdc1ffee204e96c2a6146d59da726ac802f0abb9428ef054
[INFO] running `Command { std: "docker" "start" "-a" "e2adebf7ed50f71dfdc1ffee204e96c2a6146d59da726ac802f0abb9428ef054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2adebf7ed50f71dfdc1ffee204e96c2a6146d59da726ac802f0abb9428ef054", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2adebf7ed50f71dfdc1ffee204e96c2a6146d59da726ac802f0abb9428ef054", kill_on_drop: false }`
[INFO] [stdout] e2adebf7ed50f71dfdc1ffee204e96c2a6146d59da726ac802f0abb9428ef054
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eaf10c063807519930edaf07670d08e675879dce651f05d06d1af2abdde2502f
[INFO] running `Command { std: "docker" "start" "-a" "eaf10c063807519930edaf07670d08e675879dce651f05d06d1af2abdde2502f", kill_on_drop: false }`
[INFO] [stderr]  Documenting exact-covers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/exact_covers/index.html
[INFO] running `Command { std: "docker" "inspect" "eaf10c063807519930edaf07670d08e675879dce651f05d06d1af2abdde2502f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eaf10c063807519930edaf07670d08e675879dce651f05d06d1af2abdde2502f", kill_on_drop: false }`
[INFO] [stdout] eaf10c063807519930edaf07670d08e675879dce651f05d06d1af2abdde2502f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+8afe9ff1caa97654c31fb8c259dac9fdf67d6302" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--html-in-header\", \"misc/katex-header.html\", \"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json" "-Zunstable-options" "-Zrustdoc-scrape-examples", kill_on_drop: false }`
[INFO] [stdout] 0dfbf867011b0c5f5873aea125ee90a3b8f8965dc17a784230f1a3201df00548
[INFO] running `Command { std: "docker" "start" "-a" "0dfbf867011b0c5f5873aea125ee90a3b8f8965dc17a784230f1a3201df00548", kill_on_drop: false }`
[INFO] [stderr]     Checking exact-covers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smallvec v2.0.0-alpha.12
[INFO] [stderr]     Scraping exact-covers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: public documentation for `polycube_packing` links to private item `is_in_bounds`
[INFO] [stdout]   --> examples/polycube_packing.rs:16:25
[INFO] [stdout]    |
[INFO] [stdout] 16 | //! [legal placement]: `is_in_bounds`
[INFO] [stdout]    |                         ^^^^^^^^^^^^ this item is private
[INFO] [stdout]    |
[INFO] [stdout]    = note: this link will resolve properly if you pass `--document-private-items`
[INFO] [stdout]    = note: `#[warn(rustdoc::private_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting exact-covers v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/exact_covers/index.html
[INFO] running `Command { std: "docker" "inspect" "0dfbf867011b0c5f5873aea125ee90a3b8f8965dc17a784230f1a3201df00548", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dfbf867011b0c5f5873aea125ee90a3b8f8965dc17a784230f1a3201df00548", kill_on_drop: false }`
[INFO] [stdout] 0dfbf867011b0c5f5873aea125ee90a3b8f8965dc17a784230f1a3201df00548