[INFO] cloning repository https://github.com/abdulsalam0/learn-RustLang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/abdulsalam0/learn-RustLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdulsalam0%2Flearn-RustLang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdulsalam0%2Flearn-RustLang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f59c20d63688600c03ecf8cd086db6a50081ae35
[INFO] checking abdulsalam0/learn-RustLang against master#9fa580b1175018b0a276b0bc68f9827a106f7260 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fabdulsalam0%2Flearn-RustLang" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/abdulsalam0/learn-RustLang on toolchain 9fa580b1175018b0a276b0bc68f9827a106f7260
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/abdulsalam0/learn-RustLang
[INFO] finished tweaking git repo https://github.com/abdulsalam0/learn-RustLang
[INFO] tweaked toml for git repo https://github.com/abdulsalam0/learn-RustLang written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/abdulsalam0/learn-RustLang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 54af0ea083fd3084fcd0b302067fcaed5055a862d38a1dbb481258b4ffb01018
[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" "54af0ea083fd3084fcd0b302067fcaed5055a862d38a1dbb481258b4ffb01018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54af0ea083fd3084fcd0b302067fcaed5055a862d38a1dbb481258b4ffb01018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54af0ea083fd3084fcd0b302067fcaed5055a862d38a1dbb481258b4ffb01018", kill_on_drop: false }`
[INFO] [stdout] 54af0ea083fd3084fcd0b302067fcaed5055a862d38a1dbb481258b4ffb01018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+9fa580b1175018b0a276b0bc68f9827a106f7260" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0397f31a8553bad1bed283e3f781f72c3f22273b0c0573e959d1b6a01b34849a
[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" "0397f31a8553bad1bed283e3f781f72c3f22273b0c0573e959d1b6a01b34849a", kill_on_drop: false }`
[INFO] [stderr]     Checking learn-RustLang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `learn_RustLang` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `learn_rust_lang`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `learn_RustLang` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `learn_rust_lang`
[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 0.95s
[INFO] running `Command { std: "docker" "inspect" "0397f31a8553bad1bed283e3f781f72c3f22273b0c0573e959d1b6a01b34849a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0397f31a8553bad1bed283e3f781f72c3f22273b0c0573e959d1b6a01b34849a", kill_on_drop: false }`
[INFO] [stdout] 0397f31a8553bad1bed283e3f781f72c3f22273b0c0573e959d1b6a01b34849a