[INFO] cloning repository https://github.com/wyhhh/md_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wyhhh/md_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fmd_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fmd_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7685828dad6314e2e5e8986a4ae592d7a62e6c5e
[INFO] fixing wyhhh/md_engine against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=end=2015,2024 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwyhhh%2Fmd_engine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/wyhhh/md_engine
[INFO] finished tweaking git repo https://github.com/wyhhh/md_engine
[INFO] tweaked toml for git repo https://github.com/wyhhh/md_engine written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/wyhhh/md_engine on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/wyhhh/md_engine 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a
[INFO] running `Command { std: "docker" "start" "3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=end=2015,2024", kill_on_drop: false }`
[INFO] [stderr] crater-edition-check: migrating to next edition
[INFO] [stderr]    Migrating Cargo.toml from 2021 edition to 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]     Checking chr v0.1.0 (/opt/rustwide/workdir/chr)
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling enum_len v0.1.0 (/opt/rustwide/workdir/enum_len)
[INFO] [stderr]     Checking md_engine v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Migrating src/lib.rs from 2021 edition to 2024
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |             *USED_TAG.get_unchecked_mut(tag.tag_index()) = true;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for (idx, &used) in USED_TAG.iter().enumerate() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |             *USED_TAG.get_unchecked_mut(tag.tag_index()) = true;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `--force-warn static-mut-refs` implied by `--force-warn rust-2024-compatibility`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for (idx, &used) in USED_TAG.iter().enumerate() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Migrating src/main.rs from 2021 edition to 2024
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.58s
[INFO] [stderr] crater-edition-check: md_engine v1.0.0 (/opt/rustwide/workdir) updating edition from 2021 to 2024
[INFO] [stderr]     Checking md_engine v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/parser.rs:181:44
[INFO] [stdout]     |
[INFO] [stdout] 181 | ...                   Token::Tag(tag) => unreachable!(),
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_len`
[INFO] [stdout]    --> src/parser.rs:182:57
[INFO] [stdout]     |
[INFO] [stdout] 182 | ...                   Token::PureText { data, char_len } => {
[INFO] [stdout]     |                                               ^^^^^^^^ help: try ignoring the field: `char_len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_len`
[INFO] [stdout]    --> src/parser.rs:204:57
[INFO] [stdout]     |
[INFO] [stdout] 204 | ...                   Token::PureText { data, char_len } => {
[INFO] [stdout]     |                                               ^^^^^^^^ help: try ignoring the field: `char_len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_len`
[INFO] [stdout]    --> src/parser.rs:224:57
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   Token::PureText { data, char_len } => {
[INFO] [stdout]     |                                               ^^^^^^^^ help: try ignoring the field: `char_len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tokenizer.rs:319:31
[INFO] [stdout]     |
[INFO] [stdout] 319 |             Token::PureText { data, char_len } => char_len,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parser.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 77 |     fn new<S: Into<CowStr>>(msg: S, line_num: u32, column_num: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |             *USED_TAG.get_unchecked_mut(tag.tag_index()) = true;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for (idx, &used) in USED_TAG.iter().enumerate() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md_engine` (lib test) due to 2 previous errors; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `tag`
[INFO] [stdout]    --> src/parser.rs:181:44
[INFO] [stdout]     |
[INFO] [stdout] 181 | ...                   Token::Tag(tag) => unreachable!(),
[INFO] [stdout]     |                                  ^^^ help: if this is intentional, prefix it with an underscore: `_tag`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_len`
[INFO] [stdout]    --> src/parser.rs:182:57
[INFO] [stdout]     |
[INFO] [stdout] 182 | ...                   Token::PureText { data, char_len } => {
[INFO] [stdout]     |                                               ^^^^^^^^ help: try ignoring the field: `char_len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_len`
[INFO] [stdout]    --> src/parser.rs:204:57
[INFO] [stdout]     |
[INFO] [stdout] 204 | ...                   Token::PureText { data, char_len } => {
[INFO] [stdout]     |                                               ^^^^^^^^ help: try ignoring the field: `char_len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `char_len`
[INFO] [stdout]    --> src/parser.rs:224:57
[INFO] [stdout]     |
[INFO] [stdout] 224 | ...                   Token::PureText { data, char_len } => {
[INFO] [stdout]     |                                               ^^^^^^^^ help: try ignoring the field: `char_len: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/tokenizer.rs:319:31
[INFO] [stdout]     |
[INFO] [stdout] 319 |             Token::PureText { data, char_len } => char_len,
[INFO] [stdout]     |                               ^^^^ help: try ignoring the field: `data: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/parser.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 76 | impl SyntaxError {
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 77 |     fn new<S: Into<CowStr>>(msg: S, line_num: u32, column_num: u32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |             *USED_TAG.get_unchecked_mut(tag.tag_index()) = true;
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[deny(static_mut_refs)]` (part of `#[deny(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: creating a shared reference to mutable static
[INFO] [stdout]   --> src/html_writer.rs:48:33
[INFO] [stdout]    |
[INFO] [stdout] 48 |             for (idx, &used) in USED_TAG.iter().enumerate() {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `md_engine` (lib) due to 2 previous errors; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a", kill_on_drop: false }`
[INFO] [stdout] 3711a6f1cf814d2a48905a6068dec08076bdb269be0aa637085c628cafce924a
