[INFO] cloning repository https://github.com/Sharundaar/GenMetadata
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sharundaar/GenMetadata" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharundaar%2FGenMetadata"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharundaar%2FGenMetadata'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a1f4b684b4037f71a2628ac8c8cbd59c3098bd9
[INFO] checking Sharundaar/GenMetadata against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSharundaar%2FGenMetadata" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  95% (20/21)   
Checking out files: 100% (21/21)   
Checking out files: 100% (21/21), done.
[INFO] validating manifest of git repo https://github.com/Sharundaar/GenMetadata on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Sharundaar/GenMetadata
[INFO] finished tweaking git repo https://github.com/Sharundaar/GenMetadata
[INFO] tweaked toml for git repo https://github.com/Sharundaar/GenMetadata written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/Sharundaar/GenMetadata already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c13911de87bdae034d79da98905beb959874fda4a673cbed8fe6ad6825af52a1
[INFO] running `"docker" "start" "-a" "c13911de87bdae034d79da98905beb959874fda4a673cbed8fe6ad6825af52a1"`
[INFO] [stderr]     Checking argparse v0.2.1
[INFO] [stderr]    Compiling clang-sys v0.20.1
[INFO] [stderr]     Checking clang v0.17.0
[INFO] [stderr]     Checking gen-metadata v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> src/main.rs:722:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 722 |         use std::path::PathBuf;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]    --> src/main.rs:722:13
[INFO] [stderr]     |
[INFO] [stderr] 3   | use std::path::PathBuf;
[INFO] [stderr]     |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 722 |         use std::path::PathBuf;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]     --> src/main.rs:1161:13
[INFO] [stderr]      |
[INFO] [stderr] 3    | use std::path::PathBuf;
[INFO] [stderr]      |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1161 |         use std::path::PathBuf;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `PathBuf` is imported redundantly
[INFO] [stderr]     --> src/main.rs:1161:13
[INFO] [stderr]      |
[INFO] [stderr] 3    | use std::path::PathBuf;
[INFO] [stderr]      |     ------------------ the item `PathBuf` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 1161 |         use std::path::PathBuf;
[INFO] [stderr]      |             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:620:21
[INFO] [stderr]     |
[INFO] [stderr] 620 |                 let mut type_func = type_info._func.as_mut().unwrap();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:620:21
[INFO] [stderr]     |
[INFO] [stderr] 620 |                 let mut type_func = type_info._func.as_mut().unwrap();
[INFO] [stderr]     |                     ----^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1433:21
[INFO] [stderr]      |
[INFO] [stderr] 1433 |                 let mut instances = template_instances.entry( template_type.clone() ).or_insert_with(|| vec!() );
[INFO] [stderr]      |                     ----^^^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/main.rs:1433:21
[INFO] [stderr]      |
[INFO] [stderr] 1433 |                 let mut instances = template_instances.entry( template_type.clone() ).or_insert_with(|| vec!() );
[INFO] [stderr]      |                     ----^^^^^^^^^
[INFO] [stderr]      |                     |
[INFO] [stderr]      |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.46s
[INFO] running `"docker" "inspect" "c13911de87bdae034d79da98905beb959874fda4a673cbed8fe6ad6825af52a1"`
[INFO] running `"docker" "rm" "-f" "c13911de87bdae034d79da98905beb959874fda4a673cbed8fe6ad6825af52a1"`
[INFO] [stdout] c13911de87bdae034d79da98905beb959874fda4a673cbed8fe6ad6825af52a1