[INFO] fetching crate cex 0.5.2...
[INFO] checking cex-0.5.2 against 1ed2df61a19042f231709eb05d032ae9e2cb2084 for pr-160235
[INFO] extracting crate cex 0.5.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate cex 0.5.2
[INFO] finished tweaking crates.io crate cex 0.5.2
[INFO] tweaked toml for crates.io crate cex 0.5.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cex 0.5.2 on toolchain 1ed2df61a19042f231709eb05d032ae9e2cb2084
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 10 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cex_derive v0.5.2
[INFO] [stderr]   Downloaded enumx_derive v0.4.2
[INFO] [stderr]   Downloaded enumx v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:00c5645b54fe3ce5dae1417175e3c7fb6a6646c021d554ecd63a097b8b9f3602" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730
[INFO] running `Command { std: "docker" "start" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730", 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" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730" "/opt/rustwide/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730", 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=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730" "/opt/rustwide/cargo-home/bin/cargo" "+1ed2df61a19042f231709eb05d032ae9e2cb2084" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling enumx_derive v0.4.2
[INFO] [stderr]    Compiling cex_derive v0.5.2
[INFO] [stderr]     Checking enumx v0.4.3
[INFO] [stderr]     Checking cex v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/syntax.rs:71:66
[INFO] [stdout]    |
[INFO] [stdout] 71 |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 90 |     define_tests!();
[INFO] [stdout]    |     --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #154391 <https://github.com/rust-lang/rust/issues/154391> for more information
[INFO] [stdout]    = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-08-04; consider upgrading it if it is out of date
[INFO] [stdout]    = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]    = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]    = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]    --> tests/syntax.rs:71:66
[INFO] [stdout]     |
[INFO] [stdout]  71 |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #154391 <https://github.com/rust-lang/rust/issues/154391> for more information
[INFO] [stdout]     = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-08-04; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]    --> tests/syntax.rs:71:66
[INFO] [stdout]     |
[INFO] [stdout]  71 |                 #[cex] let _result: Result!( () throws A,B,C ) = try{ throws_abc()? };
[INFO] [stdout]     |                                                                  ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 110 |     define_tests!();
[INFO] [stdout]     |     --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #154391 <https://github.com/rust-lang/rust/issues/154391> for more information
[INFO] [stdout]     = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-08-04; consider upgrading it if it is out of date
[INFO] [stdout]     = warning: unstable syntax can change at any point in the future, causing a hard error!
[INFO] [stdout]     = note: for more information, see issue #154045 <https://github.com/rust-lang/rust/issues/154045>
[INFO] [stdout]     = note: this warning originates in the macro `define_tests` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730", kill_on_drop: false }`
[INFO] [stdout] e64decdf9fe6500d3d24520e91a1c1e064a643646d0c18ae94d2613c3f8af730
