[INFO] cloning repository https://github.com/strangelovephd/xml_to_ron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/strangelovephd/xml_to_ron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fxml_to_ron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fxml_to_ron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 443df8f102fae6f142f2e4e5b593d48106a22991
[INFO] checking strangelovephd/xml_to_ron against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstrangelovephd%2Fxml_to_ron" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/strangelovephd/xml_to_ron on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/strangelovephd/xml_to_ron
[INFO] finished tweaking git repo https://github.com/strangelovephd/xml_to_ron
[INFO] tweaked toml for git repo https://github.com/strangelovephd/xml_to_ron written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/strangelovephd/xml_to_ron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 21a9942ca8b09092c0eb52b794fe643561e31a9247bf3a771b4718474f324682
[INFO] running `Command { std: "docker" "start" "-a" "21a9942ca8b09092c0eb52b794fe643561e31a9247bf3a771b4718474f324682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21a9942ca8b09092c0eb52b794fe643561e31a9247bf3a771b4718474f324682", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a9942ca8b09092c0eb52b794fe643561e31a9247bf3a771b4718474f324682", kill_on_drop: false }`
[INFO] [stdout] 21a9942ca8b09092c0eb52b794fe643561e31a9247bf3a771b4718474f324682
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] ec1a1db870d02211e2c80861ec69d3bc3361e641704a8033d440f34016ffeaf1
[INFO] running `Command { std: "docker" "start" "-a" "ec1a1db870d02211e2c80861ec69d3bc3361e641704a8033d440f34016ffeaf1", kill_on_drop: false }`
[INFO] [stderr]     Checking xml_to_ron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `fs::File`, `path::PathBuf`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     path::PathBuf
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs::File`, `path::PathBuf`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     fs::File,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 4 |     path::PathBuf
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.51s
[INFO] running `Command { std: "docker" "inspect" "ec1a1db870d02211e2c80861ec69d3bc3361e641704a8033d440f34016ffeaf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec1a1db870d02211e2c80861ec69d3bc3361e641704a8033d440f34016ffeaf1", kill_on_drop: false }`
[INFO] [stdout] ec1a1db870d02211e2c80861ec69d3bc3361e641704a8033d440f34016ffeaf1