Dec 18 12:22:16.777 INFO checking ressa-0.2.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 12:22:16.777 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/reg/ressa/0.2.1:/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 12:22:16.942 INFO [stdout] d7a956e0a198e499016c310dd36ef3ab922a5b6c3d85e8b5258596a4420b81de
Dec 18 12:22:16.945 INFO running `"docker" "start" "-a" "d7a956e0a198e499016c310dd36ef3ab922a5b6c3d85e8b5258596a4420b81de"`
Dec 18 12:22:17.581 INFO [stderr]     Checking unic-ucd-ident v0.7.0
Dec 18 12:22:17.581 INFO [stderr]     Checking docopt v1.0.2
Dec 18 12:22:18.272 INFO [stderr]     Checking ress v0.5.1
Dec 18 12:22:20.060 INFO [stderr]     Checking ressa v0.2.1 (/opt/crater/workdir)
Dec 18 12:22:25.492 INFO [stderr] warning: unused imports: `CommentKind`, `Comment`, `Token`
Dec 18 12:22:25.492 INFO [stderr]  --> examples/jsdoc.rs:5:5
Dec 18 12:22:25.492 INFO [stderr]   |
Dec 18 12:22:25.492 INFO [stderr] 5 |     Token,
Dec 18 12:22:25.492 INFO [stderr]   |     ^^^^^
Dec 18 12:22:25.492 INFO [stderr] 6 |     Comment,
Dec 18 12:22:25.492 INFO [stderr]   |     ^^^^^^^
Dec 18 12:22:25.492 INFO [stderr] 7 |     CommentKind,
Dec 18 12:22:25.492 INFO [stderr]   |     ^^^^^^^^^^^
Dec 18 12:22:25.492 INFO [stderr]   |
Dec 18 12:22:25.492 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 12:22:25.492 INFO [stderr] 
Dec 18 12:22:25.492 INFO [stderr] warning: unused import: `Parser`
Dec 18 12:22:25.492 INFO [stderr]   --> examples/jsdoc.rs:10:5
Dec 18 12:22:25.492 INFO [stderr]    |
Dec 18 12:22:25.492 INFO [stderr] 10 |     Parser,
Dec 18 12:22:25.492 INFO [stderr]    |     ^^^^^^
Dec 18 12:22:25.492 INFO [stderr] 
Dec 18 12:22:25.536 INFO [stderr] warning: unused variable: `comment`
Dec 18 12:22:25.536 INFO [stderr]   --> examples/jsdoc.rs:23:34
Dec 18 12:22:25.536 INFO [stderr]    |
Dec 18 12:22:25.536 INFO [stderr] 23 |     fn handle_comment(&mut self, comment: Item) {
Dec 18 12:22:25.536 INFO [stderr]    |                                  ^^^^^^^ help: consider using `_comment` instead
Dec 18 12:22:25.536 INFO [stderr]    |
Dec 18 12:22:25.536 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 12:22:25.536 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: struct is never constructed: `JSDocHandler`
Dec 18 12:22:25.537 INFO [stderr]   --> examples/jsdoc.rs:18:1
Dec 18 12:22:25.537 INFO [stderr]    |
Dec 18 12:22:25.537 INFO [stderr] 18 | struct JSDocHandler {
Dec 18 12:22:25.537 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr]    |
Dec 18 12:22:25.537 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: struct is never constructed: `JSDoc`
Dec 18 12:22:25.537 INFO [stderr]   --> examples/jsdoc.rs:28:1
Dec 18 12:22:25.537 INFO [stderr]    |
Dec 18 12:22:25.537 INFO [stderr] 28 | struct JSDoc {
Dec 18 12:22:25.537 INFO [stderr]    | ^^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: enum is never used: `Prop`
Dec 18 12:22:25.537 INFO [stderr]   --> examples/jsdoc.rs:33:1
Dec 18 12:22:25.537 INFO [stderr]    |
Dec 18 12:22:25.537 INFO [stderr] 33 | enum Prop {
Dec 18 12:22:25.537 INFO [stderr]    | ^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: enum is never used: `Access`
Dec 18 12:22:25.537 INFO [stderr]    --> examples/jsdoc.rs:103:1
Dec 18 12:22:25.537 INFO [stderr]     |
Dec 18 12:22:25.537 INFO [stderr] 103 | enum Access {
Dec 18 12:22:25.537 INFO [stderr]     | ^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: struct is never constructed: `Author`
Dec 18 12:22:25.537 INFO [stderr]    --> examples/jsdoc.rs:110:1
Dec 18 12:22:25.537 INFO [stderr]     |
Dec 18 12:22:25.537 INFO [stderr] 110 | struct Author {
Dec 18 12:22:25.537 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: struct is never constructed: `Borrow`
Dec 18 12:22:25.537 INFO [stderr]    --> examples/jsdoc.rs:115:1
Dec 18 12:22:25.537 INFO [stderr]     |
Dec 18 12:22:25.537 INFO [stderr] 115 | struct Borrow {
Dec 18 12:22:25.537 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: struct is never constructed: `Detail`
Dec 18 12:22:25.537 INFO [stderr]    --> examples/jsdoc.rs:120:1
Dec 18 12:22:25.537 INFO [stderr]     |
Dec 18 12:22:25.537 INFO [stderr] 120 | struct Detail {
Dec 18 12:22:25.537 INFO [stderr]     | ^^^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:25.537 INFO [stderr] warning: enum is never used: `Symbol`
Dec 18 12:22:25.537 INFO [stderr]    --> examples/jsdoc.rs:126:1
Dec 18 12:22:25.537 INFO [stderr]     |
Dec 18 12:22:25.537 INFO [stderr] 126 | enum Symbol {
Dec 18 12:22:25.537 INFO [stderr]     | ^^^^^^^^^^^
Dec 18 12:22:25.537 INFO [stderr] 
Dec 18 12:22:26.969 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
Dec 18 12:22:26.969 INFO [stderr]    --> examples/future_work.rs:207:21
Dec 18 12:22:26.969 INFO [stderr]     |
Dec 18 12:22:26.969 INFO [stderr] 207 |     let work = line.trim_left_matches(prefix);
Dec 18 12:22:26.969 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 18 12:22:26.969 INFO [stderr]     |
Dec 18 12:22:26.969 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 18 12:22:26.969 INFO [stderr] 
Dec 18 12:22:26.969 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left_matches': superseded by `trim_start_matches`
Dec 18 12:22:26.969 INFO [stderr]    --> examples/future_work.rs:208:21
Dec 18 12:22:26.969 INFO [stderr]     |
Dec 18 12:22:26.969 INFO [stderr] 208 |     let work = work.trim_left_matches(":");
Dec 18 12:22:26.969 INFO [stderr]     |                     ^^^^^^^^^^^^^^^^^
Dec 18 12:22:26.969 INFO [stderr] 
Dec 18 12:22:26.969 INFO [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_left': superseded by `trim_start`
Dec 18 12:22:26.969 INFO [stderr]    --> examples/future_work.rs:209:21
Dec 18 12:22:26.969 INFO [stderr]     |
Dec 18 12:22:26.969 INFO [stderr] 209 |     let work = work.trim_left().to_owned();
Dec 18 12:22:26.969 INFO [stderr]     |                     ^^^^^^^^^
Dec 18 12:22:26.969 INFO [stderr] 
Dec 18 12:22:27.068 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.58s
Dec 18 12:22:27.362 INFO running `"docker" "inspect" "d7a956e0a198e499016c310dd36ef3ab922a5b6c3d85e8b5258596a4420b81de"`
Dec 18 12:22:27.501 INFO running `"docker" "rm" "-f" "d7a956e0a198e499016c310dd36ef3ab922a5b6c3d85e8b5258596a4420b81de"`
Dec 18 12:22:27.840 INFO [stdout] d7a956e0a198e499016c310dd36ef3ab922a5b6c3d85e8b5258596a4420b81de