[INFO] cloning repository https://github.com/wbprime/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wbprime/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprime%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprime%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5e185bd9cf58eb410477a64e63ea48d297f993ff [INFO] documenting wbprime/rust-by-example against beta-2022-05-20 for beta-1.62-rustdoc-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwbprime%2Frust-by-example" "/workspace/builds/worker-34/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/wbprime/rust-by-example on toolchain beta-2022-05-20 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/wbprime/rust-by-example [INFO] finished tweaking git repo https://github.com/wbprime/rust-by-example [INFO] tweaked toml for git repo https://github.com/wbprime/rust-by-example written to /workspace/builds/worker-34/source/Cargo.toml [INFO] crate git repo https://github.com/wbprime/rust-by-example already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a2120dc13b2b31b110e29366d897dd38df3fcbeb5e34468a89586793eb3f8561 [INFO] running `Command { std: "docker" "start" "-a" "a2120dc13b2b31b110e29366d897dd38df3fcbeb5e34468a89586793eb3f8561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a2120dc13b2b31b110e29366d897dd38df3fcbeb5e34468a89586793eb3f8561", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a2120dc13b2b31b110e29366d897dd38df3fcbeb5e34468a89586793eb3f8561", kill_on_drop: false }` [INFO] [stdout] a2120dc13b2b31b110e29366d897dd38df3fcbeb5e34468a89586793eb3f8561 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6ec07ef9ba3fa890b89e2c6222d0f88b433c21c001ec6de99cf3c835eeb1c7a7 [INFO] running `Command { std: "docker" "start" "-a" "6ec07ef9ba3fa890b89e2c6222d0f88b433c21c001ec6de99cf3c835eeb1c7a7", kill_on_drop: false }` [INFO] [stderr] Documenting rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/flow_control.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | if (each_i % 2 == 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 33 - if (each_i % 2 == 0) { [INFO] [stdout] 33 + if each_i % 2 == 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/bin/display_print.rs:41:16 [INFO] [stdout] | [INFO] [stdout] 41 | if (i != 0) { [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 41 - if (i != 0) { [INFO] [stdout] 41 + if i != 0 { [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/bin/match.rs:6:10 [INFO] [stdout] | [INFO] [stdout] 6 | 7...10 => 2, [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 14.89s [INFO] running `Command { std: "docker" "inspect" "6ec07ef9ba3fa890b89e2c6222d0f88b433c21c001ec6de99cf3c835eeb1c7a7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ec07ef9ba3fa890b89e2c6222d0f88b433c21c001ec6de99cf3c835eeb1c7a7", kill_on_drop: false }` [INFO] [stdout] 6ec07ef9ba3fa890b89e2c6222d0f88b433c21c001ec6de99cf3c835eeb1c7a7