[INFO] updating cached repository Sharundaar/GenMetadata
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Sharundaar/GenMetadata
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Sharundaar/GenMetadata" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Sharundaar/GenMetadata"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Sharundaar/GenMetadata'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sharundaar/GenMetadata" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Sharundaar/GenMetadata"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Sharundaar/GenMetadata'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a1f4b684b4037f71a2628ac8c8cbd59c3098bd9
[INFO] sha for GitHub repo Sharundaar/GenMetadata: 3a1f4b684b4037f71a2628ac8c8cbd59c3098bd9
[INFO] validating manifest of Sharundaar/GenMetadata on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Sharundaar/GenMetadata on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Sharundaar/GenMetadata
[INFO] finished frobbing Sharundaar/GenMetadata
[INFO] frobbed toml for Sharundaar/GenMetadata written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/Sharundaar/GenMetadata/Cargo.toml
[INFO] started frobbing Sharundaar/GenMetadata
[INFO] finished frobbing Sharundaar/GenMetadata
[INFO] frobbed toml for Sharundaar/GenMetadata written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Sharundaar/GenMetadata/Cargo.toml
[INFO] crate Sharundaar/GenMetadata already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Sharundaar/GenMetadata against try#266783e4e09e4e9d5307c1c8e695659c58bbcac7 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-1/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/Sharundaar/GenMetadata:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0cfb051a5eb7e8191260c7f5afb5a9a9b9113a264e1a8c963153a4a09347687
[INFO] running `"docker" "start" "-a" "d0cfb051a5eb7e8191260c7f5afb5a9a9b9113a264e1a8c963153a4a09347687"`
[INFO] [stderr]    Compiling clang-sys v0.20.1
[INFO] [stderr]     Checking clang v0.17.0
[INFO] [stderr]     Checking gen-metadata v0.1.0 (/opt/crater/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: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: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: 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 6.86s
[INFO] running `"docker" "inspect" "d0cfb051a5eb7e8191260c7f5afb5a9a9b9113a264e1a8c963153a4a09347687"`
[INFO] running `"docker" "rm" "-f" "d0cfb051a5eb7e8191260c7f5afb5a9a9b9113a264e1a8c963153a4a09347687"`
[INFO] [stdout] d0cfb051a5eb7e8191260c7f5afb5a9a9b9113a264e1a8c963153a4a09347687