[INFO] cloning repository https://github.com/pattyjogal/wikipedia-analysis
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pattyjogal/wikipedia-analysis" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattyjogal%2Fwikipedia-analysis", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattyjogal%2Fwikipedia-analysis'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 626aed4a0c16f98344c4f670e3e713aced8fc336
[INFO] checking pattyjogal/wikipedia-analysis against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpattyjogal%2Fwikipedia-analysis" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pattyjogal/wikipedia-analysis on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pattyjogal/wikipedia-analysis
[INFO] finished tweaking git repo https://github.com/pattyjogal/wikipedia-analysis
[INFO] tweaked toml for git repo https://github.com/pattyjogal/wikipedia-analysis written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/pattyjogal/wikipedia-analysis already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0e068eb5850cade4dc6394b819ed2a2edfe7783ff0e32ecfb06d0c7b764a0cc
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0e068eb5850cade4dc6394b819ed2a2edfe7783ff0e32ecfb06d0c7b764a0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e068eb5850cade4dc6394b819ed2a2edfe7783ff0e32ecfb06d0c7b764a0cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e068eb5850cade4dc6394b819ed2a2edfe7783ff0e32ecfb06d0c7b764a0cc", kill_on_drop: false }`
[INFO] [stdout] a0e068eb5850cade4dc6394b819ed2a2edfe7783ff0e32ecfb06d0c7b764a0cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cfcc2a3043bac1c96b1521955792c2bde3047a087d269f0e0daa2dd91ed6fff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2cfcc2a3043bac1c96b1521955792c2bde3047a087d269f0e0daa2dd91ed6fff", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking quick-xml v0.9.4
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking wildcard_analysis v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/main.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   Err(num) => continue                            
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `num`
[INFO] [stdout]   --> src/main.rs:40:37
[INFO] [stdout]    |
[INFO] [stdout] 40 | ...                   Err(num) => continue                            
[INFO] [stdout]    |                           ^^^ help: if this is intentional, prefix it with an underscore: `_num`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "2cfcc2a3043bac1c96b1521955792c2bde3047a087d269f0e0daa2dd91ed6fff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cfcc2a3043bac1c96b1521955792c2bde3047a087d269f0e0daa2dd91ed6fff", kill_on_drop: false }`
[INFO] [stdout] 2cfcc2a3043bac1c96b1521955792c2bde3047a087d269f0e0daa2dd91ed6fff