[INFO] crate stdweb 0.4.18 is already in cache
[INFO] extracting crate stdweb 0.4.18 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/stdweb/0.4.18
[INFO] extracting crate stdweb 0.4.18 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/stdweb/0.4.18
[INFO] validating manifest of stdweb-0.4.18 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of stdweb-0.4.18 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing stdweb-0.4.18
[INFO] finished frobbing stdweb-0.4.18
[INFO] frobbed toml for stdweb-0.4.18 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/stdweb/0.4.18/Cargo.toml
[INFO] started frobbing stdweb-0.4.18
[INFO] finished frobbing stdweb-0.4.18
[INFO] frobbed toml for stdweb-0.4.18 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/stdweb/0.4.18/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking stdweb-0.4.18 against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-1/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/stdweb/0.4.18:/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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9fdab73a3fe41418917830613ddaa0498773242d7d5147ef0d16631db095839d
[INFO] running `"docker" "start" "-a" "9fdab73a3fe41418917830613ddaa0498773242d7d5147ef0d16631db095839d"`
[INFO] [stderr]    Compiling stdweb v0.4.18 (/opt/crater/workdir)
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/node.rs:347:1
[INFO] [stderr]     |
[INFO] [stderr] 347 |   /// Errors thrown by `Node` insertion methods.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 348 | / error_enum_boilerplate! {
[INFO] [stderr] 349 | |     InsertNodeError,
[INFO] [stderr] 350 | |     NotFoundError, HierarchyRequestError
[INFO] [stderr] 351 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/element.rs:302:1
[INFO] [stderr]     |
[INFO] [stderr] 302 |   /// Errors thrown by `Element::insert_adjacent_html`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 303 | / error_enum_boilerplate! {
[INFO] [stderr] 304 | |     InsertAdjacentError,
[INFO] [stderr] 305 | |     NoModificationAllowedError, SyntaxError
[INFO] [stderr] 306 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:280:1
[INFO] [stderr]     |
[INFO] [stderr] 280 |   /// Errors thrown by `WebSocket::new`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 281 | / error_enum_boilerplate! {
[INFO] [stderr] 282 | |     CreationError,
[INFO] [stderr] 283 | |     SecurityError, SyntaxError
[INFO] [stderr] 284 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 |   /// Errors thrown by `WebSocket::close_with_status`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 287 | / error_enum_boilerplate! {
[INFO] [stderr] 288 | |     CloseError,
[INFO] [stderr] 289 | |     InvalidAccessError, SyntaxError
[INFO] [stderr] 290 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/node.rs:347:1
[INFO] [stderr]     |
[INFO] [stderr] 347 |   /// Errors thrown by `Node` insertion methods.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 348 | / error_enum_boilerplate! {
[INFO] [stderr] 349 | |     InsertNodeError,
[INFO] [stderr] 350 | |     NotFoundError, HierarchyRequestError
[INFO] [stderr] 351 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/element.rs:302:1
[INFO] [stderr]     |
[INFO] [stderr] 302 |   /// Errors thrown by `Element::insert_adjacent_html`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 303 | / error_enum_boilerplate! {
[INFO] [stderr] 304 | |     InsertAdjacentError,
[INFO] [stderr] 305 | |     NoModificationAllowedError, SyntaxError
[INFO] [stderr] 306 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:280:1
[INFO] [stderr]     |
[INFO] [stderr] 280 |   /// Errors thrown by `WebSocket::new`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 281 | / error_enum_boilerplate! {
[INFO] [stderr] 282 | |     CreationError,
[INFO] [stderr] 283 | |     SecurityError, SyntaxError
[INFO] [stderr] 284 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]    --> src/webapi/web_socket.rs:286:1
[INFO] [stderr]     |
[INFO] [stderr] 286 |   /// Errors thrown by `WebSocket::close_with_status`.
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 287 | / error_enum_boilerplate! {
[INFO] [stderr] 288 | |     CloseError,
[INFO] [stderr] 289 | |     InvalidAccessError, SyntaxError
[INFO] [stderr] 290 | | }
[INFO] [stderr]     | |_- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]     |
[INFO] [stderr]     = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]  --> src/webcore/type_name.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let name = unsafe {
[INFO] [stderr]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/webcore/promise.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub(crate) fn new( promise: Promise ) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary `unsafe` block
[INFO] [stderr]  --> src/webcore/type_name.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 |     let name = unsafe {
[INFO] [stderr]   |                ^^^^^^ unnecessary `unsafe` block
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/webcore/promise.rs:315:5
[INFO] [stderr]     |
[INFO] [stderr] 315 |     pub(crate) fn new( promise: Promise ) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.08s
[INFO] running `"docker" "inspect" "9fdab73a3fe41418917830613ddaa0498773242d7d5147ef0d16631db095839d"`
[INFO] running `"docker" "rm" "-f" "9fdab73a3fe41418917830613ddaa0498773242d7d5147ef0d16631db095839d"`
[INFO] [stdout] 9fdab73a3fe41418917830613ddaa0498773242d7d5147ef0d16631db095839d