[INFO] cloning repository https://github.com/um4ng-tiw/Rust_Practice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/um4ng-tiw/Rust_Practice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum4ng-tiw%2FRust_Practice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum4ng-tiw%2FRust_Practice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e9d530a201f65e7690ec0a1a8f26b6efcea38b9
[INFO] checking um4ng-tiw/Rust_Practice against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fum4ng-tiw%2FRust_Practice" "/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/um4ng-tiw/Rust_Practice on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/um4ng-tiw/Rust_Practice
[INFO] finished tweaking git repo https://github.com/um4ng-tiw/Rust_Practice
[INFO] tweaked toml for git repo https://github.com/um4ng-tiw/Rust_Practice written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/um4ng-tiw/Rust_Practice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 692d57204e731dae43506aeb938c48159bd0475dbbd77220cc79ee89e88a4dd2
[INFO] running `Command { std: "docker" "start" "-a" "692d57204e731dae43506aeb938c48159bd0475dbbd77220cc79ee89e88a4dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "692d57204e731dae43506aeb938c48159bd0475dbbd77220cc79ee89e88a4dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "692d57204e731dae43506aeb938c48159bd0475dbbd77220cc79ee89e88a4dd2", kill_on_drop: false }`
[INFO] [stdout] 692d57204e731dae43506aeb938c48159bd0475dbbd77220cc79ee89e88a4dd2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9a804d1d3642137bc5dc54f4dae0e10de0bb50848e59754f42b3e4e73b8b8d9c
[INFO] running `Command { std: "docker" "start" "-a" "9a804d1d3642137bc5dc54f4dae0e10de0bb50848e59754f42b3e4e73b8b8d9c", kill_on_drop: false }`
[INFO] [stderr]     Checking RUST v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RUST` 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: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `RUST` 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: `rust`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "9a804d1d3642137bc5dc54f4dae0e10de0bb50848e59754f42b3e4e73b8b8d9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a804d1d3642137bc5dc54f4dae0e10de0bb50848e59754f42b3e4e73b8b8d9c", kill_on_drop: false }`
[INFO] [stdout] 9a804d1d3642137bc5dc54f4dae0e10de0bb50848e59754f42b3e4e73b8b8d9c