[INFO] cloning repository https://github.com/fulstaph/math-expr-eval
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fulstaph/math-expr-eval" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulstaph%2Fmath-expr-eval", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulstaph%2Fmath-expr-eval'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 78eea2520f41005218a59b84cf784519ed4a8b1e
[INFO] documenting fulstaph/math-expr-eval against 1.83.0 for beta-rustdoc-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffulstaph%2Fmath-expr-eval" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fulstaph/math-expr-eval on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fulstaph/math-expr-eval
[INFO] finished tweaking git repo https://github.com/fulstaph/math-expr-eval
[INFO] tweaked toml for git repo https://github.com/fulstaph/math-expr-eval written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fulstaph/math-expr-eval 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ab73b66219ef77889a8d0e436fb2e91d7a6e25c0a86c7fadd63c6833d436c29
[INFO] running `Command { std: "docker" "start" "-a" "3ab73b66219ef77889a8d0e436fb2e91d7a6e25c0a86c7fadd63c6833d436c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ab73b66219ef77889a8d0e436fb2e91d7a6e25c0a86c7fadd63c6833d436c29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ab73b66219ef77889a8d0e436fb2e91d7a6e25c0a86c7fadd63c6833d436c29", kill_on_drop: false }`
[INFO] [stdout] 3ab73b66219ef77889a8d0e436fb2e91d7a6e25c0a86c7fadd63c6833d436c29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=warn" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f1702cac57b558f7fefdac81c57057ef64a4479fdbc9d5890d2eed14f230d9
[INFO] running `Command { std: "docker" "start" "-a" "a3f1702cac57b558f7fefdac81c57057ef64a4479fdbc9d5890d2eed14f230d9", kill_on_drop: false }`
[INFO] [stderr]  Documenting expression-evaluation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/main.rs:19:15
[INFO] [stdout]    |
[INFO] [stdout] 19 |     let sum = (2 + 2);
[INFO] [stdout]    |               ^     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 19 -     let sum = (2 + 2);
[INFO] [stdout] 19 +     let sum = 2 + 2;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.58s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/expression_evaluation/index.html
[INFO] running `Command { std: "docker" "inspect" "a3f1702cac57b558f7fefdac81c57057ef64a4479fdbc9d5890d2eed14f230d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f1702cac57b558f7fefdac81c57057ef64a4479fdbc9d5890d2eed14f230d9", kill_on_drop: false }`
[INFO] [stdout] a3f1702cac57b558f7fefdac81c57057ef64a4479fdbc9d5890d2eed14f230d9