[INFO] updating cached repository DillonJettCallis/rustLetLang
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/DillonJettCallis/rustLetLang
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/DillonJettCallis/rustLetLang" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/DillonJettCallis/rustLetLang"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/DillonJettCallis/rustLetLang'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/DillonJettCallis/rustLetLang" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/DillonJettCallis/rustLetLang"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/DillonJettCallis/rustLetLang'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 374682051b6c0829b36e560100f2665eee23296d
[INFO] sha for GitHub repo DillonJettCallis/rustLetLang: 374682051b6c0829b36e560100f2665eee23296d
[INFO] validating manifest of DillonJettCallis/rustLetLang on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of DillonJettCallis/rustLetLang on toolchain try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing DillonJettCallis/rustLetLang
[INFO] finished frobbing DillonJettCallis/rustLetLang
[INFO] frobbed toml for DillonJettCallis/rustLetLang written to work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/DillonJettCallis/rustLetLang/Cargo.toml
[INFO] started frobbing DillonJettCallis/rustLetLang
[INFO] finished frobbing DillonJettCallis/rustLetLang
[INFO] frobbed toml for DillonJettCallis/rustLetLang written to work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/DillonJettCallis/rustLetLang/Cargo.toml
[INFO] crate DillonJettCallis/rustLetLang has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+f66e4697ae286985ddefc53c3a047614568458bb-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking DillonJettCallis/rustLetLang against try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a for pr-58592
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58592/worker-4/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/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" "+c3b22200e6f5b70eb1f99ae6944d989ae17a458a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 47ef878fcf36679d60cb6d730a836fb36d27e3bac487b1a43fe943e42b167abc
[INFO] running `"docker" "start" "-a" "47ef878fcf36679d60cb6d730a836fb36d27e3bac487b1a43fe943e42b167abc"`
[INFO] [stderr]     Checking simple-error v0.1.11
[INFO] [stderr]     Checking rust_let_lang v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `raw_shape`
[INFO] [stderr]   --> src/typechecker.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Expression::Block{shape: raw_shape, loc, body: raw_body} => {
[INFO] [stderr]    |                              ^^^^^^^^^ help: consider prefixing with an underscore: `_raw_shape`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_shape`
[INFO] [stderr]    --> src/typechecker.rs:108:33
[INFO] [stderr]     |
[INFO] [stderr] 108 |     Expression::Variable{shape: raw_shape, loc, id} => {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: consider prefixing with an underscore: `_raw_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/typechecker.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |   if let Expression::FunctionDeclaration {shape, loc, id, ..} = ex {
[INFO] [stderr]     |                                           ^^^^^ help: try ignoring the field: `shape: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_shape`
[INFO] [stderr]   --> src/typechecker.rs:69:30
[INFO] [stderr]    |
[INFO] [stderr] 69 |     Expression::Block{shape: raw_shape, loc, body: raw_body} => {
[INFO] [stderr]    |                              ^^^^^^^^^ help: consider prefixing with an underscore: `_raw_shape`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `raw_shape`
[INFO] [stderr]    --> src/typechecker.rs:108:33
[INFO] [stderr]     |
[INFO] [stderr] 108 |     Expression::Variable{shape: raw_shape, loc, id} => {
[INFO] [stderr]     |                                 ^^^^^^^^^ help: consider prefixing with an underscore: `_raw_shape`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shape`
[INFO] [stderr]    --> src/typechecker.rs:171:43
[INFO] [stderr]     |
[INFO] [stderr] 171 |   if let Expression::FunctionDeclaration {shape, loc, id, ..} = ex {
[INFO] [stderr]     |                                           ^^^^^ help: try ignoring the field: `shape: _`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prev`
[INFO] [stderr]    --> src/parser.rs:232:3
[INFO] [stderr]     |
[INFO] [stderr] 232 |   fn prev(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]    --> src/parser.rs:312:3
[INFO] [stderr]     |
[INFO] [stderr] 312 |   String,
[INFO] [stderr]     |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `prev`
[INFO] [stderr]    --> src/parser.rs:232:3
[INFO] [stderr]     |
[INFO] [stderr] 232 |   fn prev(&mut self) {
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `String`
[INFO] [stderr]    --> src/parser.rs:312:3
[INFO] [stderr]     |
[INFO] [stderr] 312 |   String,
[INFO] [stderr]     |   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "47ef878fcf36679d60cb6d730a836fb36d27e3bac487b1a43fe943e42b167abc"`
[INFO] running `"docker" "rm" "-f" "47ef878fcf36679d60cb6d730a836fb36d27e3bac487b1a43fe943e42b167abc"`
[INFO] [stdout] 47ef878fcf36679d60cb6d730a836fb36d27e3bac487b1a43fe943e42b167abc