[INFO] cloning repository sinesc/itsy
[INFO] running `"git" "clone" "--bare" "git://github.com/sinesc/itsy.git" "work/cache/sources/gh/sinesc/itsy"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/sinesc/itsy'...
[INFO] running `"git" "clone" "work/cache/sources/gh/sinesc/itsy" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sinesc/itsy"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sinesc/itsy'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sinesc/itsy" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/sinesc/itsy"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/sinesc/itsy'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ef29a4466528a88c86a08961edb77a198fb05fee
[INFO] sha for GitHub repo sinesc/itsy: ef29a4466528a88c86a08961edb77a198fb05fee
[INFO] validating manifest of sinesc/itsy on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sinesc/itsy on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sinesc/itsy
[INFO] finished frobbing sinesc/itsy
[INFO] frobbed toml for sinesc/itsy written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sinesc/itsy/Cargo.toml
[INFO] started frobbing sinesc/itsy
[INFO] finished frobbing sinesc/itsy
[INFO] frobbed toml for sinesc/itsy written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/sinesc/itsy/Cargo.toml
[INFO] crate sinesc/itsy has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sinesc/itsy against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/sinesc/itsy:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8651f6b9524394aba1be9258a521e30b5259bdf3edaf3a2447eedf8f2448f09e
[INFO] running `"docker" "start" "-a" "8651f6b9524394aba1be9258a521e30b5259bdf3edaf3a2447eedf8f2448f09e"`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking nom v4.1.1
[INFO] [stderr]     Checking itsy v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: method is never used: `function_id`
[INFO] [stderr]    --> src/frontend/resolver/scopes.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn function_id(self: &Self, scope_id: ScopeId, name: &str) -> Option<FunctionId> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `format_type`
[INFO] [stderr]    --> src/frontend/resolver.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn format_type(self: &Self, type_id: Option<TypeId>) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `function_id`
[INFO] [stderr]    --> src/frontend/resolver/scopes.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     pub fn function_id(self: &Self, scope_id: ScopeId, name: &str) -> Option<FunctionId> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `format_type`
[INFO] [stderr]    --> src/frontend/resolver.rs:181:5
[INFO] [stderr]     |
[INFO] [stderr] 181 |     fn format_type(self: &Self, type_id: Option<TypeId>) -> String {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/playground.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let source = "
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/playground.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let source = "
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/playground.rs:56:9
[INFO] [stderr]    |
[INFO] [stderr] 56 |     let source = "
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `source`
[INFO] [stderr]   --> src/playground.rs:64:9
[INFO] [stderr]    |
[INFO] [stderr] 64 |     let source = "
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_source`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `"docker" "inspect" "8651f6b9524394aba1be9258a521e30b5259bdf3edaf3a2447eedf8f2448f09e"`
[INFO] running `"docker" "rm" "-f" "8651f6b9524394aba1be9258a521e30b5259bdf3edaf3a2447eedf8f2448f09e"`
[INFO] [stdout] 8651f6b9524394aba1be9258a521e30b5259bdf3edaf3a2447eedf8f2448f09e