[INFO] cloning repository https://github.com/milescaprio/piechart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/milescaprio/piechart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilescaprio%2Fpiechart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilescaprio%2Fpiechart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a7773fc1d61c187bdb42c5426d30baba5f37b88
[INFO] checking milescaprio/piechart against master#d8810e3e2dab96778d20dd6d746ff95465515509 for pr-137045
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmilescaprio%2Fpiechart" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/milescaprio/piechart on toolchain d8810e3e2dab96778d20dd6d746ff95465515509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/milescaprio/piechart
[INFO] finished tweaking git repo https://github.com/milescaprio/piechart
[INFO] tweaked toml for git repo https://github.com/milescaprio/piechart written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/milescaprio/piechart 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" "+d8810e3e2dab96778d20dd6d746ff95465515509" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50b7374d80a7e85dc2d4f33a8cebc679489bd9c0b55a712ae336d819ef02e71a
[INFO] running `Command { std: "docker" "start" "-a" "50b7374d80a7e85dc2d4f33a8cebc679489bd9c0b55a712ae336d819ef02e71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50b7374d80a7e85dc2d4f33a8cebc679489bd9c0b55a712ae336d819ef02e71a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50b7374d80a7e85dc2d4f33a8cebc679489bd9c0b55a712ae336d819ef02e71a", kill_on_drop: false }`
[INFO] [stdout] 50b7374d80a7e85dc2d4f33a8cebc679489bd9c0b55a712ae336d819ef02e71a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+d8810e3e2dab96778d20dd6d746ff95465515509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cc2e795c5e0bdc210224a0000de099f913a7fa545e8c2a1bd799be4ba52efb1
[INFO] running `Command { std: "docker" "start" "-a" "6cc2e795c5e0bdc210224a0000de099f913a7fa545e8c2a1bd799be4ba52efb1", kill_on_drop: false }`
[INFO] [stderr]     Checking piechart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     /// All values should add up to exactly 1: 1 full pie chart.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     let mut angles = Vec::<f32>::new();
[INFO] [stdout]   |     ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = help: use `//` for a plain comment
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     /// All values should add up to exactly 1: 1 full pie chart.
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     let mut angles = Vec::<f32>::new();
[INFO] [stdout]   |     ----------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]   |
[INFO] [stdout]   = help: use `//` for a plain comment
[INFO] [stdout]   = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "6cc2e795c5e0bdc210224a0000de099f913a7fa545e8c2a1bd799be4ba52efb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc2e795c5e0bdc210224a0000de099f913a7fa545e8c2a1bd799be4ba52efb1", kill_on_drop: false }`
[INFO] [stdout] 6cc2e795c5e0bdc210224a0000de099f913a7fa545e8c2a1bd799be4ba52efb1