[INFO] cloning repository https://github.com/TeDeMos/md_converter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TeDeMos/md_converter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeDeMos%2Fmd_converter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeDeMos%2Fmd_converter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa715985ce1fc5ea569622c47308e98ca786893b
[INFO] checking TeDeMos/md_converter against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTeDeMos%2Fmd_converter" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/TeDeMos/md_converter
[INFO] finished tweaking git repo https://github.com/TeDeMos/md_converter
[INFO] tweaked toml for git repo https://github.com/TeDeMos/md_converter written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/TeDeMos/md_converter on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/TeDeMos/md_converter 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d63dce8f0269d9e16ba62ec2b1d0f7aba76616d64082a2865b5bc58ed3838fe1
[INFO] running `Command { std: "docker" "start" "-a" "d63dce8f0269d9e16ba62ec2b1d0f7aba76616d64082a2865b5bc58ed3838fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d63dce8f0269d9e16ba62ec2b1d0f7aba76616d64082a2865b5bc58ed3838fe1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d63dce8f0269d9e16ba62ec2b1d0f7aba76616d64082a2865b5bc58ed3838fe1", kill_on_drop: false }`
[INFO] [stdout] d63dce8f0269d9e16ba62ec2b1d0f7aba76616d64082a2865b5bc58ed3838fe1
[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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc090e2700d339b67932bd2f6012d804a260a0a188ae2aff3c254182e6fd5cfe
[INFO] running `Command { std: "docker" "start" "-a" "dc090e2700d339b67932bd2f6012d804a260a0a188ae2aff3c254182e6fd5cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]     Checking md_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<Pandoc, Infallible>
[INFO] [stdout]   --> src/md_reader.rs:23:68
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn read(self, source: &str) -> Result<Pandoc, Self::ReadError> {
[INFO] [stdout]    |  ____________________________________________________________________^
[INFO] [stdout] 24 | |         let mut current = TempBlock::default();
[INFO] [stdout] 25 | |         let mut finished = Vec::new();
[INFO] [stdout] 26 | |         let mut links = Links::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         Ok(Pandoc { blocks: result, ..Default::default() })
[INFO] [stdout] 37 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<Pandoc, Infallible>
[INFO] [stdout]   --> src/md_reader.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Ok(Pandoc { blocks: result, ..Default::default() })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:189:36
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn parse_code_spans(paragraph: &str) -> Vec<SliceVariant> {
[INFO] [stdout]     |                                    ^^^^         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn parse_code_spans(paragraph: &str) -> Vec<SliceVariant<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:311:32
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn parse_code_slice(slice: &str) -> InlineElement {
[INFO] [stdout]     |                                ^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn parse_code_slice(slice: &str) -> InlineElement<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md_converter` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:323:53
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 element: Inline::Code(attr_empty(), result[1..result.len() - 1].parse().unwrap()),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:327:65
[INFO] [stdout]     |
[INFO] [stdout] 327 |             InlineElement { element: Inline::Code(attr_empty(), result.parse().unwrap()), slice }
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/md_reader/iters.rs:50:56
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn skip(line: &'a str, total_indent: usize) -> SkipIndentResult {
[INFO] [stdout]    |                        -- the lifetime is named here   ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn skip(line: &'a str, total_indent: usize) -> SkipIndentResult<'a> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ast::Pandoc, Infallible>
[INFO] [stdout]   --> src/md_reader.rs:23:68
[INFO] [stdout]    |
[INFO] [stdout] 23 |       fn read(self, source: &str) -> Result<Pandoc, Self::ReadError> {
[INFO] [stdout]    |  ____________________________________________________________________^
[INFO] [stdout] 24 | |         let mut current = TempBlock::default();
[INFO] [stdout] 25 | |         let mut finished = Vec::new();
[INFO] [stdout] 26 | |         let mut links = Links::new();
[INFO] [stdout] ...  |
[INFO] [stdout] 36 | |         Ok(Pandoc { blocks: result, ..Default::default() })
[INFO] [stdout] 37 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ast::Pandoc, Infallible>
[INFO] [stdout]   --> src/md_reader.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         Ok(Pandoc { blocks: result, ..Default::default() })
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:189:36
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn parse_code_spans(paragraph: &str) -> Vec<SliceVariant> {
[INFO] [stdout]     |                                    ^^^^         ^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                    |
[INFO] [stdout]     |                                    the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn parse_code_spans(paragraph: &str) -> Vec<SliceVariant<'_>> {
[INFO] [stdout]     |                                                             ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:311:32
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn parse_code_slice(slice: &str) -> InlineElement {
[INFO] [stdout]     |                                ^^^^     ^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                |
[INFO] [stdout]     |                                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 311 |     fn parse_code_slice(slice: &str) -> InlineElement<'_> {
[INFO] [stdout]     |                                                      ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:323:53
[INFO] [stdout]     |
[INFO] [stdout] 323 |                 element: Inline::Code(attr_empty(), result[1..result.len() - 1].parse().unwrap()),
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]    --> src/md_reader/inline_parser.rs:327:65
[INFO] [stdout]     |
[INFO] [stdout] 327 |             InlineElement { element: Inline::Code(attr_empty(), result.parse().unwrap()), slice }
[INFO] [stdout]     |                                                                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/md_reader/iters.rs:50:56
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn skip(line: &'a str, total_indent: usize) -> SkipIndentResult {
[INFO] [stdout]    |                        -- the lifetime is named here   ^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn skip(line: &'a str, total_indent: usize) -> SkipIndentResult<'a> {
[INFO] [stdout]    |                                                                        ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<ast::Pandoc, Infallible>
[INFO] [stdout]   --> src/md_reader.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |             let result = MdReader.read(e).unwrap();
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md_converter` (lib test) due to 5 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "dc090e2700d339b67932bd2f6012d804a260a0a188ae2aff3c254182e6fd5cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc090e2700d339b67932bd2f6012d804a260a0a188ae2aff3c254182e6fd5cfe", kill_on_drop: false }`
[INFO] [stdout] dc090e2700d339b67932bd2f6012d804a260a0a188ae2aff3c254182e6fd5cfe
