Dec 12 09:09:39.810 INFO checking ressa-0.2.1 against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 09:09:39.810 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 09:09:40.254 INFO [stdout] 1d152fd64ac1010394567be3fb298037f6cf9d5a6629bf8f613a7515d0908acd
Dec 12 09:09:40.258 INFO running `"docker" "start" "-a" "1d152fd64ac1010394567be3fb298037f6cf9d5a6629bf8f613a7515d0908acd"`
Dec 12 09:09:41.417 INFO [stderr] usermod: no changes
Dec 12 09:09:41.607 INFO [stderr]     Checking unic-ucd-ident v0.7.0
Dec 12 09:09:41.612 INFO [stderr]     Checking combine v3.6.3
Dec 12 09:09:41.620 INFO [stderr]     Checking docopt v1.0.2
Dec 12 09:10:03.264 INFO [stderr]     Checking ress v0.5.1
Dec 12 09:10:05.676 INFO [stderr]     Checking ressa v0.2.1 (/source)
Dec 12 09:10:16.230 INFO [stderr] warning: unused imports: `CommentKind`, `Comment`, `Token`
Dec 12 09:10:16.230 INFO [stderr]  --> examples/jsdoc.rs:5:5
Dec 12 09:10:16.230 INFO [stderr]   |
Dec 12 09:10:16.230 INFO [stderr] 5 |     Token,
Dec 12 09:10:16.230 INFO [stderr]   |     ^^^^^
Dec 12 09:10:16.230 INFO [stderr] 6 |     Comment,
Dec 12 09:10:16.230 INFO [stderr]   |     ^^^^^^^
Dec 12 09:10:16.230 INFO [stderr] 7 |     CommentKind,
Dec 12 09:10:16.230 INFO [stderr]   |     ^^^^^^^^^^^
Dec 12 09:10:16.230 INFO [stderr]   |
Dec 12 09:10:16.230 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 12 09:10:16.230 INFO [stderr] 
Dec 12 09:10:16.230 INFO [stderr] warning: unused import: `Parser`
Dec 12 09:10:16.230 INFO [stderr]   --> examples/jsdoc.rs:10:5
Dec 12 09:10:16.230 INFO [stderr]    |
Dec 12 09:10:16.230 INFO [stderr] 10 |     Parser,
Dec 12 09:10:16.230 INFO [stderr]    |     ^^^^^^
Dec 12 09:10:16.230 INFO [stderr] 
Dec 12 09:10:16.248 INFO [stderr] warning: unused variable: `comment`
Dec 12 09:10:16.248 INFO [stderr]   --> examples/jsdoc.rs:23:34
Dec 12 09:10:16.248 INFO [stderr]    |
Dec 12 09:10:16.248 INFO [stderr] 23 |     fn handle_comment(&mut self, comment: Item) {
Dec 12 09:10:16.248 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_comment` instead
Dec 12 09:10:16.248 INFO [stderr]    |
Dec 12 09:10:16.248 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 09:10:16.248 INFO [stderr] 
Dec 12 09:10:16.251 INFO [stderr] warning: struct is never constructed: `JSDocHandler`
Dec 12 09:10:16.251 INFO [stderr]   --> examples/jsdoc.rs:18:1
Dec 12 09:10:16.251 INFO [stderr]    |
Dec 12 09:10:16.251 INFO [stderr] 18 | struct JSDocHandler {
Dec 12 09:10:16.251 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 12 09:10:16.251 INFO [stderr]    |
Dec 12 09:10:16.251 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 09:10:16.251 INFO [stderr] 
Dec 12 09:10:16.251 INFO [stderr] warning: struct is never constructed: `JSDoc`
Dec 12 09:10:16.251 INFO [stderr]   --> examples/jsdoc.rs:28:1
Dec 12 09:10:16.251 INFO [stderr]    |
Dec 12 09:10:16.251 INFO [stderr] 28 | struct JSDoc {
Dec 12 09:10:16.251 INFO [stderr]    | ^^^^^^^^^^^^
Dec 12 09:10:16.251 INFO [stderr] 
Dec 12 09:10:16.251 INFO [stderr] warning: enum is never used: `Prop`
Dec 12 09:10:16.251 INFO [stderr]   --> examples/jsdoc.rs:33:1
Dec 12 09:10:16.251 INFO [stderr]    |
Dec 12 09:10:16.251 INFO [stderr] 33 | enum Prop {
Dec 12 09:10:16.251 INFO [stderr]    | ^^^^^^^^^
Dec 12 09:10:16.251 INFO [stderr] 
Dec 12 09:10:16.251 INFO [stderr] warning: enum is never used: `Access`
Dec 12 09:10:16.251 INFO [stderr]    --> examples/jsdoc.rs:103:1
Dec 12 09:10:16.252 INFO [stderr]     |
Dec 12 09:10:16.252 INFO [stderr] 103 | enum Access {
Dec 12 09:10:16.252 INFO [stderr]     | ^^^^^^^^^^^
Dec 12 09:10:16.252 INFO [stderr] 
Dec 12 09:10:16.252 INFO [stderr] warning: struct is never constructed: `Author`
Dec 12 09:10:16.252 INFO [stderr]    --> examples/jsdoc.rs:110:1
Dec 12 09:10:16.252 INFO [stderr]     |
Dec 12 09:10:16.252 INFO [stderr] 110 | struct Author {
Dec 12 09:10:16.252 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 12 09:10:16.252 INFO [stderr] 
Dec 12 09:10:16.252 INFO [stderr] warning: struct is never constructed: `Borrow`
Dec 12 09:10:16.252 INFO [stderr]    --> examples/jsdoc.rs:115:1
Dec 12 09:10:16.252 INFO [stderr]     |
Dec 12 09:10:16.252 INFO [stderr] 115 | struct Borrow {
Dec 12 09:10:16.252 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 12 09:10:16.252 INFO [stderr] 
Dec 12 09:10:16.252 INFO [stderr] warning: struct is never constructed: `Detail`
Dec 12 09:10:16.252 INFO [stderr]    --> examples/jsdoc.rs:120:1
Dec 12 09:10:16.252 INFO [stderr]     |
Dec 12 09:10:16.252 INFO [stderr] 120 | struct Detail {
Dec 12 09:10:16.252 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 12 09:10:16.252 INFO [stderr] 
Dec 12 09:10:16.252 INFO [stderr] warning: enum is never used: `Symbol`
Dec 12 09:10:16.252 INFO [stderr]    --> examples/jsdoc.rs:126:1
Dec 12 09:10:16.252 INFO [stderr]     |
Dec 12 09:10:16.252 INFO [stderr] 126 | enum Symbol {
Dec 12 09:10:16.252 INFO [stderr]     | ^^^^^^^^^^^
Dec 12 09:10:16.252 INFO [stderr] 
Dec 12 09:10:17.536 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.08s
Dec 12 09:10:17.554 INFO [stderr] su: No module specific data is present
Dec 12 09:10:18.056 INFO running `"docker" "inspect" "1d152fd64ac1010394567be3fb298037f6cf9d5a6629bf8f613a7515d0908acd"`
Dec 12 09:10:18.338 INFO running `"docker" "rm" "-f" "1d152fd64ac1010394567be3fb298037f6cf9d5a6629bf8f613a7515d0908acd"`
Dec 12 09:10:18.576 INFO [stdout] 1d152fd64ac1010394567be3fb298037f6cf9d5a6629bf8f613a7515d0908acd