[INFO] updating cached repository https://github.com/hagsteel/gut
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/hagsteel/gut
[INFO] [stderr]    961c90a..3436f01  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3436f019763688b0a7a5ed1999b48b2926b136a7
[INFO] checking hagsteel/gut against try#13f916f63bc6575d5ff1f989237dfabe88981368 for pr-69880
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhagsteel%2Fgut" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hagsteel/gut on toolchain 13f916f63bc6575d5ff1f989237dfabe88981368
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/hagsteel/gut
[INFO] finished tweaking git repo https://github.com/hagsteel/gut
[INFO] tweaked toml for git repo https://github.com/hagsteel/gut written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hagsteel/gut already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+13f916f63bc6575d5ff1f989237dfabe88981368" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] f12ff0edd81490a646f8d7e5856bd6761e71bdc1a428e23f3eabcc8fea1bdeff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "f12ff0edd81490a646f8d7e5856bd6761e71bdc1a428e23f3eabcc8fea1bdeff"`
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[INFO] [stderr]     Checking gut v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `project_name`
[INFO] [stderr]    --> src/godot.rs:185:24
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn create_watch_script(project_name: &str, path: PathBuf) -> Result<()> {
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_project_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `project_name`
[INFO] [stderr]    --> src/godot.rs:185:24
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn create_watch_script(project_name: &str, path: PathBuf) -> Result<()> {
[INFO] [stderr]     |                        ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_project_name`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     create_build_script(&name, build_file_path.into());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     create_watch_script(&name, watch_file_path.into());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     set_permissions(path, perms);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     set_permissions(path, perms);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:149:5
[INFO] [stderr]     |
[INFO] [stderr] 149 |     create_build_script(&name, build_file_path.into());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:152:5
[INFO] [stderr]     |
[INFO] [stderr] 152 |     create_watch_script(&name, watch_file_path.into());
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:180:5
[INFO] [stderr]     |
[INFO] [stderr] 180 |     set_permissions(path, perms);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/godot.rs:194:5
[INFO] [stderr]     |
[INFO] [stderr] 194 |     set_permissions(path, perms);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 47s
[INFO] running `"docker" "inspect" "f12ff0edd81490a646f8d7e5856bd6761e71bdc1a428e23f3eabcc8fea1bdeff"`
[INFO] running `"docker" "rm" "-f" "f12ff0edd81490a646f8d7e5856bd6761e71bdc1a428e23f3eabcc8fea1bdeff"`
[INFO] [stdout] f12ff0edd81490a646f8d7e5856bd6761e71bdc1a428e23f3eabcc8fea1bdeff