[INFO] fetching crate cex 0.5.2...
[INFO] checking cex-0.5.2 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate cex 0.5.2 into /workspace/builds/worker-0-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-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cex 0.5.2 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enumx v0.4.3
[INFO] [stderr]   Downloaded enumx_derive v0.4.2
[INFO] [stderr]   Downloaded cex_derive v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e54fb214c779da520e0d1d9554ef3e8c22a01e46c029340cf45f302cc5335ac
[INFO] running `Command { std: "docker" "start" "-a" "8e54fb214c779da520e0d1d9554ef3e8c22a01e46c029340cf45f302cc5335ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e54fb214c779da520e0d1d9554ef3e8c22a01e46c029340cf45f302cc5335ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e54fb214c779da520e0d1d9554ef3e8c22a01e46c029340cf45f302cc5335ac", kill_on_drop: false }`
[INFO] [stdout] 8e54fb214c779da520e0d1d9554ef3e8c22a01e46c029340cf45f302cc5335ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ede4971c0d42aca9d9e3500c1405971cb9db7e76af5353681189b2bed02bdcc1
[INFO] running `Command { std: "docker" "start" "-a" "ede4971c0d42aca9d9e3500c1405971cb9db7e76af5353681189b2bed02bdcc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[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] [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 #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout]    = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2025-08-13; 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 #65860 <https://github.com/rust-lang/rust/issues/65860>
[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 #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout]     = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-13; 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 #65860 <https://github.com/rust-lang/rust/issues/65860>
[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 #31436 <https://github.com/rust-lang/rust/issues/31436> for more information
[INFO] [stdout]     = help: add `#![feature(try_blocks)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2025-08-13; 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 #65860 <https://github.com/rust-lang/rust/issues/65860>
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.86s
[INFO] running `Command { std: "docker" "inspect" "ede4971c0d42aca9d9e3500c1405971cb9db7e76af5353681189b2bed02bdcc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ede4971c0d42aca9d9e3500c1405971cb9db7e76af5353681189b2bed02bdcc1", kill_on_drop: false }`
[INFO] [stdout] ede4971c0d42aca9d9e3500c1405971cb9db7e76af5353681189b2bed02bdcc1