Dec 18 07:56:13.081 INFO checking DillonJettCallis/rustLetLang against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:56:13.081 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/DillonJettCallis/rustLetLang:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:56:13.712 INFO [stdout] 44de0095ea7613009bcbe2575e65fe5478c6cb09bc7eac7a7931de2b33718228
Dec 18 07:56:13.718 INFO running `"docker" "start" "-a" "44de0095ea7613009bcbe2575e65fe5478c6cb09bc7eac7a7931de2b33718228"`
Dec 18 07:56:14.558 INFO [stderr]     Checking simple-error v0.1.11
Dec 18 07:56:14.730 INFO [stderr]     Checking rust_let_lang v0.1.0 (/opt/crater/workdir)
Dec 18 07:56:15.070 INFO [stderr] warning: unused variable: `raw_shape`
Dec 18 07:56:15.070 INFO [stderr]   --> src/typechecker.rs:69:30
Dec 18 07:56:15.070 INFO [stderr]    |
Dec 18 07:56:15.070 INFO [stderr] 69 |     Expression::Block{shape: raw_shape, loc, body: raw_body} => {
Dec 18 07:56:15.070 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 18 07:56:15.070 INFO [stderr]    |
Dec 18 07:56:15.070 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:56:15.070 INFO [stderr] 
Dec 18 07:56:15.070 INFO [stderr] warning: unused variable: `raw_shape`
Dec 18 07:56:15.070 INFO [stderr]    --> src/typechecker.rs:108:33
Dec 18 07:56:15.070 INFO [stderr]     |
Dec 18 07:56:15.070 INFO [stderr] 108 |     Expression::Variable{shape: raw_shape, loc, id} => {
Dec 18 07:56:15.070 INFO [stderr]     |                                 ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 18 07:56:15.070 INFO [stderr] 
Dec 18 07:56:15.070 INFO [stderr] warning: unused variable: `shape`
Dec 18 07:56:15.070 INFO [stderr]    --> src/typechecker.rs:171:43
Dec 18 07:56:15.070 INFO [stderr]     |
Dec 18 07:56:15.070 INFO [stderr] 171 |   if let Expression::FunctionDeclaration {shape, loc, id, ..} = ex {
Dec 18 07:56:15.070 INFO [stderr]     |                                           ^^^^^ help: try ignoring the field: `shape: _`
Dec 18 07:56:15.070 INFO [stderr] 
Dec 18 07:56:15.088 INFO [stderr] warning: unused variable: `raw_shape`
Dec 18 07:56:15.089 INFO [stderr]   --> src/typechecker.rs:69:30
Dec 18 07:56:15.089 INFO [stderr]    |
Dec 18 07:56:15.089 INFO [stderr] 69 |     Expression::Block{shape: raw_shape, loc, body: raw_body} => {
Dec 18 07:56:15.089 INFO [stderr]    |                              ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 18 07:56:15.089 INFO [stderr]    |
Dec 18 07:56:15.089 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:56:15.089 INFO [stderr] 
Dec 18 07:56:15.089 INFO [stderr] warning: unused variable: `raw_shape`
Dec 18 07:56:15.089 INFO [stderr]    --> src/typechecker.rs:108:33
Dec 18 07:56:15.089 INFO [stderr]     |
Dec 18 07:56:15.089 INFO [stderr] 108 |     Expression::Variable{shape: raw_shape, loc, id} => {
Dec 18 07:56:15.089 INFO [stderr]     |                                 ^^^^^^^^^ help: consider using `_raw_shape` instead
Dec 18 07:56:15.089 INFO [stderr] 
Dec 18 07:56:15.089 INFO [stderr] warning: unused variable: `shape`
Dec 18 07:56:15.089 INFO [stderr]    --> src/typechecker.rs:171:43
Dec 18 07:56:15.089 INFO [stderr]     |
Dec 18 07:56:15.089 INFO [stderr] 171 |   if let Expression::FunctionDeclaration {shape, loc, id, ..} = ex {
Dec 18 07:56:15.089 INFO [stderr]     |                                           ^^^^^ help: try ignoring the field: `shape: _`
Dec 18 07:56:15.089 INFO [stderr] 
Dec 18 07:56:15.125 INFO [stderr] warning: method is never used: `prev`
Dec 18 07:56:15.125 INFO [stderr]    --> src/parser.rs:232:3
Dec 18 07:56:15.125 INFO [stderr]     |
Dec 18 07:56:15.125 INFO [stderr] 232 |   fn prev(&mut self) {
Dec 18 07:56:15.125 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^
Dec 18 07:56:15.125 INFO [stderr]     |
Dec 18 07:56:15.125 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:56:15.125 INFO [stderr] 
Dec 18 07:56:15.125 INFO [stderr] warning: variant is never constructed: `String`
Dec 18 07:56:15.125 INFO [stderr]    --> src/parser.rs:312:3
Dec 18 07:56:15.125 INFO [stderr]     |
Dec 18 07:56:15.125 INFO [stderr] 312 |   String,
Dec 18 07:56:15.125 INFO [stderr]     |   ^^^^^^
Dec 18 07:56:15.125 INFO [stderr] 
Dec 18 07:56:15.141 INFO [stderr] warning: method is never used: `prev`
Dec 18 07:56:15.141 INFO [stderr]    --> src/parser.rs:232:3
Dec 18 07:56:15.141 INFO [stderr]     |
Dec 18 07:56:15.141 INFO [stderr] 232 |   fn prev(&mut self) {
Dec 18 07:56:15.141 INFO [stderr]     |   ^^^^^^^^^^^^^^^^^^
Dec 18 07:56:15.141 INFO [stderr]     |
Dec 18 07:56:15.141 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:56:15.141 INFO [stderr] 
Dec 18 07:56:15.141 INFO [stderr] warning: variant is never constructed: `String`
Dec 18 07:56:15.141 INFO [stderr]    --> src/parser.rs:312:3
Dec 18 07:56:15.141 INFO [stderr]     |
Dec 18 07:56:15.141 INFO [stderr] 312 |   String,
Dec 18 07:56:15.141 INFO [stderr]     |   ^^^^^^
Dec 18 07:56:15.141 INFO [stderr] 
Dec 18 07:56:15.159 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 18 07:56:15.353 INFO running `"docker" "inspect" "44de0095ea7613009bcbe2575e65fe5478c6cb09bc7eac7a7931de2b33718228"`
Dec 18 07:56:15.425 INFO running `"docker" "rm" "-f" "44de0095ea7613009bcbe2575e65fe5478c6cb09bc7eac7a7931de2b33718228"`
Dec 18 07:56:15.527 INFO [stdout] 44de0095ea7613009bcbe2575e65fe5478c6cb09bc7eac7a7931de2b33718228