[INFO] crate swindon 0.7.8 is already in cache
[INFO] extracting crate swindon 0.7.8 into work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/swindon/0.7.8
[INFO] extracting crate swindon 0.7.8 into work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/swindon/0.7.8
[INFO] validating manifest of swindon-0.7.8 on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swindon-0.7.8 on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing swindon-0.7.8
[INFO] finished frobbing swindon-0.7.8
[INFO] frobbed toml for swindon-0.7.8 written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/reg/swindon/0.7.8/Cargo.toml
[INFO] started frobbing swindon-0.7.8
[INFO] finished frobbing swindon-0.7.8
[INFO] frobbed toml for swindon-0.7.8 written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/swindon/0.7.8/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking swindon-0.7.8 against try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-7/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/reg/swindon/0.7.8:/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" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 8a79a02018491f7b79924c08174c8e3119ecc8fa79ac62f29e54a3c6d26bf73e
[INFO] running `"docker" "start" "-a" "8a79a02018491f7b79924c08174c8e3119ecc8fa79ac62f29e54a3c6d26bf73e"`
[INFO] [stderr]     Checking atomic v0.3.4
[INFO] [stderr]     Checking string-intern v0.1.7
[INFO] [stderr]     Checking humannum v0.1.0
[INFO] [stderr]     Checking digest-writer v0.3.1
[INFO] [stderr]     Checking blake2 v0.7.1
[INFO] [stderr]     Checking trimmer v0.3.6
[INFO] [stderr]     Checking self-meter v0.6.0
[INFO] [stderr]    Compiling mime_guess v1.8.6
[INFO] [stderr]     Checking libcantal v0.3.2
[INFO] [stderr]     Checking tk-http v0.3.9
[INFO] [stderr]     Checking tk-listen v0.1.1
[INFO] [stderr]     Checking quire v0.3.1
[INFO] [stderr]     Checking http-file-headers v0.1.8
[INFO] [stderr]     Checking httpbin v0.3.3
[INFO] [stderr]     Checking self-meter-http v0.4.1
[INFO] [stderr]     Checking swindon v0.7.8 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:310:12
[INFO] [stderr]     |
[INFO] [stderr] 310 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:450:12
[INFO] [stderr]     |
[INFO] [stderr] 450 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/proxy/backend.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:310:12
[INFO] [stderr]     |
[INFO] [stderr] 310 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:450:12
[INFO] [stderr]     |
[INFO] [stderr] 450 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/proxy/backend.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:310:12
[INFO] [stderr]     |
[INFO] [stderr] 310 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:450:12
[INFO] [stderr]     |
[INFO] [stderr] 450 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:310:12
[INFO] [stderr]     |
[INFO] [stderr] 310 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:412:12
[INFO] [stderr]     |
[INFO] [stderr] 412 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/chat/backend.rs:450:12
[INFO] [stderr]     |
[INFO] [stderr] 450 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/proxy/backend.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/proxy/backend.rs:75:12
[INFO] [stderr]    |
[INFO] [stderr] 75 |         Ok((Async::Ready(data.len())))
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/handlers/files/index.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let vpath = virtual_path.trim_right_matches('/');
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/handlers/files/index.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let vpath = virtual_path.trim_right_matches('/');
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/handlers/files/index.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let vpath = virtual_path.trim_right_matches('/');
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right_matches': superseded by `trim_end_matches`
[INFO] [stderr]   --> src/handlers/files/index.rs:63:30
[INFO] [stderr]    |
[INFO] [stderr] 63 |     let vpath = virtual_path.trim_right_matches('/');
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/config/listen.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     pub fn new(vec: Vec<ListenSocket>) -> Listen {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `len`
[INFO] [stderr]   --> src/config/listen.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     pub fn len(&self) -> usize {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.28s
[INFO] running `"docker" "inspect" "8a79a02018491f7b79924c08174c8e3119ecc8fa79ac62f29e54a3c6d26bf73e"`
[INFO] running `"docker" "rm" "-f" "8a79a02018491f7b79924c08174c8e3119ecc8fa79ac62f29e54a3c6d26bf73e"`
[INFO] [stdout] 8a79a02018491f7b79924c08174c8e3119ecc8fa79ac62f29e54a3c6d26bf73e