[INFO] cloning repository https://github.com/pufferfish101007/w2w2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pufferfish101007/w2w2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpufferfish101007%2Fw2w2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpufferfish101007%2Fw2w2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 52d8eb50f4e50abed0a91bb9d31d31b65df5f8a9
[INFO] checking pufferfish101007/w2w2 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpufferfish101007%2Fw2w2" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/pufferfish101007/w2w2
[INFO] finished tweaking git repo https://github.com/pufferfish101007/w2w2
[INFO] tweaked toml for git repo https://github.com/pufferfish101007/w2w2 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/pufferfish101007/w2w2 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/pufferfish101007/w2w2 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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae7f0845d1fb36e0ef916d347a41358b9e02b741c689d8d9b393c657ff9be235
[INFO] running `Command { std: "docker" "start" "-a" "ae7f0845d1fb36e0ef916d347a41358b9e02b741c689d8d9b393c657ff9be235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7f0845d1fb36e0ef916d347a41358b9e02b741c689d8d9b393c657ff9be235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7f0845d1fb36e0ef916d347a41358b9e02b741c689d8d9b393c657ff9be235", kill_on_drop: false }`
[INFO] [stdout] ae7f0845d1fb36e0ef916d347a41358b9e02b741c689d8d9b393c657ff9be235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43e8656fb1fdf2bf39b11ce23d3966ec04aadd34303dfd8a9db7effb79ab5645
[INFO] running `Command { std: "docker" "start" "-a" "43e8656fb1fdf2bf39b11ce23d3966ec04aadd34303dfd8a9db7effb79ab5645", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling rustversion v1.0.8
[INFO] [stderr]     Checking memory_units v0.4.0
[INFO] [stderr]     Checking w2w2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/lexer.rs:1305:7
[INFO] [stdout]      |
[INFO] [stdout] 1305 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/lexer.rs:1310:7
[INFO] [stdout]      |
[INFO] [stdout] 1310 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/lexer.rs:1315:7
[INFO] [stdout]      |
[INFO] [stdout] 1315 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`: `bench` is a part of custom test frameworks which are unstable
[INFO] [stdout]     --> src/lexer.rs:1321:7
[INFO] [stdout]      |
[INFO] [stdout] 1321 |     #[bench]
[INFO] [stdout]      |       ^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> src/lib.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]   --> src/lib.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate test;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]    = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1299:9
[INFO] [stdout]      |
[INFO] [stdout] 1299 |     use test::Bencher;
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1306:31
[INFO] [stdout]      |
[INFO] [stdout] 1306 |     fn bench_exponent(b: &mut Bencher) {
[INFO] [stdout]      |                               ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1311:35
[INFO] [stdout]      |
[INFO] [stdout] 1311 |     fn bench_hex_exponent(b: &mut Bencher) {
[INFO] [stdout]      |                                   ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1316:42
[INFO] [stdout]      |
[INFO] [stdout] 1316 |     fn bench_unterminated_string(b: &mut Bencher) {
[INFO] [stdout]      |                                          ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1322:59
[INFO] [stdout]      |
[INFO] [stdout] 1322 |     fn bench_signed_hex_float_dot_sigmed_exponent(b: &mut Bencher) {
[INFO] [stdout]      |                                                           ^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1307:11
[INFO] [stdout]      |
[INFO] [stdout] 1307 |         b.iter(|| TokenList::from(EXPONENT.to_string()));
[INFO] [stdout]      |           ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1312:11
[INFO] [stdout]      |
[INFO] [stdout] 1312 |         b.iter(|| TokenList::from(HEX_EXPONENT.to_string()));
[INFO] [stdout]      |           ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1318:11
[INFO] [stdout]      |
[INFO] [stdout] 1318 |         b.iter(|| TokenList::from(s.clone()));
[INFO] [stdout]      |           ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature `test`
[INFO] [stdout]     --> src/lexer.rs:1324:11
[INFO] [stdout]      |
[INFO] [stdout] 1324 |         b.iter(|| TokenList::from(s.clone()));
[INFO] [stdout]      |           ^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: see issue #50297 <https://github.com/rust-lang/rust/issues/50297> for more information
[INFO] [stdout]      = help: add `#![feature(test)]` to the crate attributes to enable
[INFO] [stdout]      = note: this compiler was built on 2026-05-02; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `w2w2` (lib test) due to 14 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "43e8656fb1fdf2bf39b11ce23d3966ec04aadd34303dfd8a9db7effb79ab5645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43e8656fb1fdf2bf39b11ce23d3966ec04aadd34303dfd8a9db7effb79ab5645", kill_on_drop: false }`
[INFO] [stdout] 43e8656fb1fdf2bf39b11ce23d3966ec04aadd34303dfd8a9db7effb79ab5645
