[INFO] fetching crate try-guard 0.2.0...
[INFO] checking try-guard-0.2.0 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate try-guard 0.2.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate try-guard 0.2.0
[INFO] finished tweaking crates.io crate try-guard 0.2.0
[INFO] tweaked toml for crates.io crate try-guard 0.2.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate try-guard 0.2.0 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d33134e85d233daf5a78bde936bd839faa7c1a27ad8f43c4c3309d16b926c4f
[INFO] running `Command { std: "docker" "start" "-a" "3d33134e85d233daf5a78bde936bd839faa7c1a27ad8f43c4c3309d16b926c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d33134e85d233daf5a78bde936bd839faa7c1a27ad8f43c4c3309d16b926c4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d33134e85d233daf5a78bde936bd839faa7c1a27ad8f43c4c3309d16b926c4f", kill_on_drop: false }`
[INFO] [stdout] 3d33134e85d233daf5a78bde936bd839faa7c1a27ad8f43c4c3309d16b926c4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bdc2398ea6b286b7b791d7d57c5882a4c8f9a651b480a4dc6b69afad0fe78a7
[INFO] running `Command { std: "docker" "start" "-a" "3bdc2398ea6b286b7b791d7d57c5882a4c8f9a651b480a4dc6b69afad0fe78a7", kill_on_drop: false }`
[INFO] [stderr]     Checking try-guard v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/guard.rs:31:28
[INFO] [stdout]    |
[INFO] [stdout] 31 |       let foo: Option<i32> = try {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 32 | |       guard!(1 < 2);
[INFO] [stdout] 33 | |       10
[INFO] [stdout] 34 | |     };
[INFO] [stdout]    | |_____^
[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 2025-06-29; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/guard.rs:41:28
[INFO] [stdout]    |
[INFO] [stdout] 41 |       let foo: Option<i32> = try {
[INFO] [stdout]    |  ____________________________^
[INFO] [stdout] 42 | |       guard!(1 > 2);
[INFO] [stdout] 43 | |       10
[INFO] [stdout] 44 | |     };
[INFO] [stdout]    | |_____^
[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 2025-06-29; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/guard.rs:60:41
[INFO] [stdout]    |
[INFO] [stdout] 60 |       let foo: Result<i32, CustomError> = try {
[INFO] [stdout]    |  _________________________________________^
[INFO] [stdout] 61 | |       guard!(1 < 2);
[INFO] [stdout] 62 | |       10
[INFO] [stdout] 63 | |     };
[INFO] [stdout]    | |_____^
[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 2025-06-29; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/guard.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |       let foo: Result<i32, CustomError> = try {
[INFO] [stdout]    |  _________________________________________^
[INFO] [stdout] 71 | |       guard!(1 > 2);
[INFO] [stdout] 72 | |       10
[INFO] [stdout] 73 | |     };
[INFO] [stdout]    | |_____^
[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 2025-06-29; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/verify.rs:23:27
[INFO] [stdout]    |
[INFO] [stdout] 23 |       let foo: Option<()> = try {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 24 | |       verify!(1 < 2)?
[INFO] [stdout] 25 | |     };
[INFO] [stdout]    | |_____^
[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 2025-06-29; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: `try` blocks are unstable
[INFO] [stdout]   --> tests/verify.rs:31:27
[INFO] [stdout]    |
[INFO] [stdout] 31 |       let foo: Option<()> = try {
[INFO] [stdout]    |  ___________________________^
[INFO] [stdout] 32 | |       verify!(1 > 2)?
[INFO] [stdout] 33 | |     };
[INFO] [stdout]    | |_____^
[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 2025-06-29; 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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "3bdc2398ea6b286b7b791d7d57c5882a4c8f9a651b480a4dc6b69afad0fe78a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bdc2398ea6b286b7b791d7d57c5882a4c8f9a651b480a4dc6b69afad0fe78a7", kill_on_drop: false }`
[INFO] [stdout] 3bdc2398ea6b286b7b791d7d57c5882a4c8f9a651b480a4dc6b69afad0fe78a7