Dec 12 03:09:38.325 INFO checking DillonJettCallis/rustLetLang against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:09:38.325 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +aa9aa79c3c583aab59ac9134542d60a780c35e2e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 12 03:09:38.751 INFO [stdout] 58c8a38c9113cda26900184985c53be7e15de2ce546700504614ae533f0b718f
Dec 12 03:09:38.753 INFO running `"docker" "start" "-a" "58c8a38c9113cda26900184985c53be7e15de2ce546700504614ae533f0b718f"`
Dec 12 03:09:40.047 INFO [stderr] usermod: no changes
Dec 12 03:09:40.140 INFO [stderr]     Checking rust_let_lang v0.1.0 (/source)
Dec 12 03:09:40.804 INFO [stderr] warning: unused variable: `raw_shape`
Dec 12 03:09:40.804 INFO [stderr]   --> src/typechecker.rs:69:30
Dec 12 03:09:40.804 INFO [stderr]    |
Dec 12 03:09:40.804 INFO [stderr] 69 |     Expression::Block{shape: raw_shape, loc, body: raw_body} => {
Dec 12 03:09:40.804 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 12 03:09:40.804 INFO [stderr]    |
Dec 12 03:09:40.804 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:09:40.804 INFO [stderr] 
Dec 12 03:09:40.804 INFO [stderr] warning: unused variable: `raw_shape`
Dec 12 03:09:40.804 INFO [stderr]    --> src/typechecker.rs:108:33
Dec 12 03:09:40.804 INFO [stderr]     |
Dec 12 03:09:40.804 INFO [stderr] 108 |     Expression::Variable{shape: raw_shape, loc, id} => {
Dec 12 03:09:40.804 INFO [stderr]     |                                 ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 12 03:09:40.804 INFO [stderr] 
Dec 12 03:09:40.804 INFO [stderr] warning: unused variable: `shape`
Dec 12 03:09:40.804 INFO [stderr]    --> src/typechecker.rs:171:43
Dec 12 03:09:40.804 INFO [stderr]     |
Dec 12 03:09:40.805 INFO [stderr] 171 |   if let Expression::FunctionDeclaration {shape, loc, id, ..} = ex {
Dec 12 03:09:40.805 INFO [stderr]     |                                           ^^^^^ help: try ignoring the field: `shape: _`
Dec 12 03:09:40.805 INFO [stderr] 
Dec 12 03:09:40.880 INFO [stderr] warning: method is never used: `prev`
Dec 12 03:09:40.880 INFO [stderr]    --> src/parser.rs:232:3
Dec 12 03:09:40.880 INFO [stderr]     |
Dec 12 03:09:40.880 INFO [stderr] 232 |   fn prev(&mut self) {
Dec 12 03:09:40.880 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^
Dec 12 03:09:40.880 INFO [stderr]     |
Dec 12 03:09:40.880 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 03:09:40.880 INFO [stderr] 
Dec 12 03:09:40.880 INFO [stderr] warning: variant is never constructed: `String`
Dec 12 03:09:40.880 INFO [stderr]    --> src/parser.rs:312:3
Dec 12 03:09:40.880 INFO [stderr]     |
Dec 12 03:09:40.880 INFO [stderr] 312 |   String,
Dec 12 03:09:40.880 INFO [stderr]     |   ^^^^^^
Dec 12 03:09:40.880 INFO [stderr] 
Dec 12 03:09:41.040 INFO [stderr] warning: unused variable: `raw_shape`
Dec 12 03:09:41.040 INFO [stderr]   --> src/typechecker.rs:69:30
Dec 12 03:09:41.040 INFO [stderr]    |
Dec 12 03:09:41.040 INFO [stderr] 69 |     Expression::Block{shape: raw_shape, loc, body: raw_body} => {
Dec 12 03:09:41.040 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 12 03:09:41.040 INFO [stderr]    |
Dec 12 03:09:41.040 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:09:41.040 INFO [stderr] 
Dec 12 03:09:41.040 INFO [stderr] warning: unused variable: `raw_shape`
Dec 12 03:09:41.040 INFO [stderr]    --> src/typechecker.rs:108:33
Dec 12 03:09:41.040 INFO [stderr]     |
Dec 12 03:09:41.040 INFO [stderr] 108 |     Expression::Variable{shape: raw_shape, loc, id} => {
Dec 12 03:09:41.040 INFO [stderr]     |                                 ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 12 03:09:41.040 INFO [stderr] 
Dec 12 03:09:41.040 INFO [stderr] warning: unused variable: `shape`
Dec 12 03:09:41.040 INFO [stderr]    --> src/typechecker.rs:171:43
Dec 12 03:09:41.040 INFO [stderr]     |
Dec 12 03:09:41.040 INFO [stderr] 171 |   if let Expression::FunctionDeclaration {shape, loc, id, ..} = ex {
Dec 12 03:09:41.040 INFO [stderr]     |                                           ^^^^^ help: try ignoring the field: `shape: _`
Dec 12 03:09:41.040 INFO [stderr] 
Dec 12 03:09:41.096 INFO [stderr] warning: method is never used: `prev`
Dec 12 03:09:41.096 INFO [stderr]    --> src/parser.rs:232:3
Dec 12 03:09:41.096 INFO [stderr]     |
Dec 12 03:09:41.096 INFO [stderr] 232 |   fn prev(&mut self) {
Dec 12 03:09:41.100 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^
Dec 12 03:09:41.100 INFO [stderr]     |
Dec 12 03:09:41.100 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 12 03:09:41.100 INFO [stderr] 
Dec 12 03:09:41.100 INFO [stderr] warning: variant is never constructed: `String`
Dec 12 03:09:41.100 INFO [stderr]    --> src/parser.rs:312:3
Dec 12 03:09:41.100 INFO [stderr]     |
Dec 12 03:09:41.100 INFO [stderr] 312 |   String,
Dec 12 03:09:41.100 INFO [stderr]     |   ^^^^^^
Dec 12 03:09:41.100 INFO [stderr] 
Dec 12 03:09:41.112 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
Dec 12 03:09:41.117 INFO [stderr] su: No module specific data is present
Dec 12 03:09:41.654 INFO running `"docker" "inspect" "58c8a38c9113cda26900184985c53be7e15de2ce546700504614ae533f0b718f"`
Dec 12 03:09:41.928 INFO running `"docker" "rm" "-f" "58c8a38c9113cda26900184985c53be7e15de2ce546700504614ae533f0b718f"`
Dec 12 03:09:42.200 INFO [stdout] 58c8a38c9113cda26900184985c53be7e15de2ce546700504614ae533f0b718f