[INFO] fetching crate md_converter 0.9.7...
[INFO] checking md_converter-0.9.7 against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604
[INFO] extracting crate md_converter 0.9.7 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate md_converter 0.9.7 on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate md_converter 0.9.7
[INFO] finished tweaking crates.io crate md_converter 0.9.7
[INFO] tweaked toml for crates.io crate md_converter 0.9.7 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate md_converter 0.9.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab2232cf3b48ccf5831b205d411d47839e9336c13d30beaa3704c1fdab27e861
[INFO] running `Command { std: "docker" "start" "-a" "ab2232cf3b48ccf5831b205d411d47839e9336c13d30beaa3704c1fdab27e861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab2232cf3b48ccf5831b205d411d47839e9336c13d30beaa3704c1fdab27e861", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab2232cf3b48ccf5831b205d411d47839e9336c13d30beaa3704c1fdab27e861", kill_on_drop: false }`
[INFO] [stdout] ab2232cf3b48ccf5831b205d411d47839e9336c13d30beaa3704c1fdab27e861
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Dtail_expr_drop_order" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa1e63ee178a184476b3e099f91c5b3247464f720eeca7c91a0ba3279620cf3e
[INFO] running `Command { std: "docker" "start" "-a" "aa1e63ee178a184476b3e099f91c5b3247464f720eeca7c91a0ba3279620cf3e", kill_on_drop: false }`
[INFO] [stderr]     Checking md_converter v0.9.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]  --> src/converter/headers.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].connect(" "),
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].join(" "),
[INFO] [stdout]   |                  ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `md`
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |                             ^^ help: if this is intentional, prefix it with an underscore: `_md`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |                        ----^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]  --> src/converter/headers.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].connect(" "),
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].join(" "),
[INFO] [stdout]   |                  ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/converter/lists.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |         Some(x) => true,
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/converter/lists.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |                                    ----^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_li_index`
[INFO] [stdout]   --> src/lib.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_li_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maek_horizontal_rule` is never used
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `define_lang` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn define_lang() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_code_block` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `help` is never used
[INFO] [stdout]  --> src/converter/help.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn help() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_indent_len` is never used
[INFO] [stdout]   --> src/converter/lists.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn get_indent_len(md: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_same_list` is never used
[INFO] [stdout]    --> src/converter/lists.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `md`
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |                             ^^ help: if this is intentional, prefix it with an underscore: `_md`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |                        ----^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/converter/lists.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |         Some(x) => true,
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/converter/lists.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |                                    ----^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_li_index`
[INFO] [stdout]   --> src/lib.rs:21:17
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_li_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lib.rs:21:13
[INFO] [stdout]    |
[INFO] [stdout] 21 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maek_horizontal_rule` is never used
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `define_lang` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn define_lang() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_code_block` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `help` is never used
[INFO] [stdout]  --> src/converter/help.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn help() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_indent_len` is never used
[INFO] [stdout]   --> src/converter/lists.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn get_indent_len(md: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_same_list` is never used
[INFO] [stdout]    --> src/converter/lists.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]  --> src/converter/headers.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].connect(" "),
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].join(" "),
[INFO] [stdout]   |                  ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]  --> src/converter/headers.rs:6:18
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].connect(" "),
[INFO] [stdout]   |                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]   |
[INFO] [stdout] 6 |         res[1..].join(" "),
[INFO] [stdout]   |                  ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/main.rs:132:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |     write_file(&convert(lines).connect("\n"));
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 132 |     write_file(&convert(lines).join("\n"));
[INFO] [stdout]     |                                ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `md`
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |                             ^^ help: if this is intentional, prefix it with an underscore: `_md`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::slice::<impl [T]>::connect`: renamed to join
[INFO] [stdout]    --> src/main.rs:132:32
[INFO] [stdout]     |
[INFO] [stdout] 132 |     write_file(&convert(lines).connect("\n"));
[INFO] [stdout]     |                                ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: replace the use of the deprecated method
[INFO] [stdout]     |
[INFO] [stdout] 132 |     write_file(&convert(lines).join("\n"));
[INFO] [stdout]     |                                ~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |                        ----^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `md`
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:29
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |                             ^^ help: if this is intentional, prefix it with an underscore: `_md`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:24
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |                        ----^^
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/converter/lists.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |         Some(x) => true,
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/converter/lists.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |         Some(x) => true,
[INFO] [stdout]    |              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/converter/lists.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |                                    ----^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_li_index`
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_li_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/converter/lists.rs:106:36
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |                                    ----^^^^^^^
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_li_index`
[INFO] [stdout]   --> src/main.rs:28:17
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_li_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let mut last_li_index: usize = 1;
[INFO] [stdout]    |             ----^^^^^^^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut lines = read_file(&path);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut file = File::open(path).unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut reader = BufReader::new(file);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maek_horizontal_rule` is never used
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `define_lang` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn define_lang() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_code_block` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `help` is never used
[INFO] [stdout]  --> src/converter/help.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn help() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_indent_len` is never used
[INFO] [stdout]   --> src/converter/lists.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn get_indent_len(md: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |     let mut lines = read_file(&path);
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_same_list` is never used
[INFO] [stdout]    --> src/converter/lists.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/main.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut file = File::open(path).unwrap();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 137 |     let mut reader = BufReader::new(file);
[INFO] [stdout]     |             ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 138 |     reader.lines().collect::<Result<_, _>>().unwrap()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:136:9
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut file = File::open(path).unwrap();
[INFO] [stdout]     |         ----^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let mut reader = BufReader::new(file);
[INFO] [stdout]     |         ----^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fs::write("index.html", data);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let _ = fs::write("index.html", data);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `maek_horizontal_rule` is never used
[INFO] [stdout]  --> src/converter/blockquote_horizontal_rules.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn maek_horizontal_rule(md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `define_lang` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn define_lang() {}
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_code_block` is never used
[INFO] [stdout]  --> src/converter/code_blocks.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn make_code_block(mut md: &str) -> String {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `help` is never used
[INFO] [stdout]  --> src/converter/help.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn help() {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_indent_len` is never used
[INFO] [stdout]   --> src/converter/lists.rs:44:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | pub fn get_indent_len(md: &str) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_same_list` is never used
[INFO] [stdout]    --> src/converter/lists.rs:106:8
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn is_same_list(current: &str, mut previus: &str) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021
[INFO] [stdout]    --> src/main.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     let mut file = File::open(path).unwrap();
[INFO] [stdout]     |             ---- these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 137 |     let mut reader = BufReader::new(file);
[INFO] [stdout]     |             ------ these values have significant drop implementation and will observe changes in drop order under Edition 2024
[INFO] [stdout] 138 |     reader.lines().collect::<Result<_, _>>().unwrap()
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2024
[INFO] [stdout]     = note: for more information, see issue #123739 <https://github.com/rust-lang/rust/issues/123739>
[INFO] [stdout]     = note: requested on the command line with `-D tail-expr-drop-order`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:142:5
[INFO] [stdout]     |
[INFO] [stdout] 142 |     fs::write("index.html", data);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 142 |     let _ = fs::write("index.html", data);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md_converter` (bin "md_converter") due to 2 previous errors; 18 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `md_converter` (bin "md_converter" test) due to 2 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "aa1e63ee178a184476b3e099f91c5b3247464f720eeca7c91a0ba3279620cf3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa1e63ee178a184476b3e099f91c5b3247464f720eeca7c91a0ba3279620cf3e", kill_on_drop: false }`
[INFO] [stdout] aa1e63ee178a184476b3e099f91c5b3247464f720eeca7c91a0ba3279620cf3e