[INFO] updating cached repository freddez/html-indent
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/freddez/html-indent
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/freddez/html-indent" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/freddez/html-indent"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/freddez/html-indent'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/freddez/html-indent" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/freddez/html-indent"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/freddez/html-indent'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ac9d6da64f6f038d91ddc37d5a4f698092aac7d7
[INFO] sha for GitHub repo freddez/html-indent: ac9d6da64f6f038d91ddc37d5a4f698092aac7d7
[INFO] validating manifest of freddez/html-indent on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of freddez/html-indent on toolchain try#18481b65f318e0b4b20c0fc61340054701719d6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing freddez/html-indent
[INFO] finished frobbing freddez/html-indent
[INFO] frobbed toml for freddez/html-indent written to work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/freddez/html-indent/Cargo.toml
[INFO] started frobbing freddez/html-indent
[INFO] finished frobbing freddez/html-indent
[INFO] frobbed toml for freddez/html-indent written to work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/freddez/html-indent/Cargo.toml
[INFO] crate freddez/html-indent already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+78ca1bda3522b14bc0336bc01dd1d49fdba2cda7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking freddez/html-indent against try#18481b65f318e0b4b20c0fc61340054701719d6c for pr-62507
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62507/worker-3/try#18481b65f318e0b4b20c0fc61340054701719d6c:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/freddez/html-indent:/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" "+18481b65f318e0b4b20c0fc61340054701719d6c-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d0c22315e61623930e79b686eebcd7d0b3e185d00a3af0e0c97a3519ef4f1002
[INFO] running `"docker" "start" "-a" "d0c22315e61623930e79b686eebcd7d0b3e185d00a3af0e0c97a3519ef4f1002"`
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking regex v0.2.1
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking html-indent v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let tline = line.unwrap().trim_right();
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:204:66
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     let end_tag = &content[tag_start..tag_end-1].trim_right();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::ascii::AsciiExt': use inherent methods instead
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/main.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | / lazy_static! {
[INFO] [stderr] 19 | |     static ref NON_W: Regex = Regex::new(
[INFO] [stderr] 20 | |         r"\S"
[INFO] [stderr] 21 | |     ).unwrap();
[INFO] [stderr] ...  |
[INFO] [stderr] 33 | |     ).unwrap();
[INFO] [stderr] 34 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:117:39
[INFO] [stderr]     |
[INFO] [stderr] 117 |             let tline = line.unwrap().trim_right();
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]    --> src/main.rs:204:66
[INFO] [stderr]     |
[INFO] [stderr] 204 |                     let end_tag = &content[tag_start..tag_end-1].trim_right();
[INFO] [stderr]     |                                                                  ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::ascii::AsciiExt`
[INFO] [stderr]   --> src/main.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::ascii::AsciiExt;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.02s
[INFO] running `"docker" "inspect" "d0c22315e61623930e79b686eebcd7d0b3e185d00a3af0e0c97a3519ef4f1002"`
[INFO] running `"docker" "rm" "-f" "d0c22315e61623930e79b686eebcd7d0b3e185d00a3af0e0c97a3519ef4f1002"`
[INFO] [stdout] d0c22315e61623930e79b686eebcd7d0b3e185d00a3af0e0c97a3519ef4f1002