[INFO] fetching crate grandeur 0.1.0...
[INFO] checking grandeur-0.1.0 against master#49b6ac01d6f4c3da812039ae846407a20961aa4c for pr-154887
[INFO] extracting crate grandeur 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate grandeur 0.1.0
[INFO] finished tweaking crates.io crate grandeur 0.1.0
[INFO] tweaked toml for crates.io crate grandeur 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grandeur 0.1.0 on toolchain 49b6ac01d6f4c3da812039ae846407a20961aa4c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "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" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding hashbrown v0.13.2 (available: v0.17.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7310120f6d216f433d8d7b7cf4670be9ded754a16b6a1b9e4c04270172ddbbd8
[INFO] running `Command { std: "docker" "start" "-a" "7310120f6d216f433d8d7b7cf4670be9ded754a16b6a1b9e4c04270172ddbbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7310120f6d216f433d8d7b7cf4670be9ded754a16b6a1b9e4c04270172ddbbd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7310120f6d216f433d8d7b7cf4670be9ded754a16b6a1b9e4c04270172ddbbd8", kill_on_drop: false }`
[INFO] [stdout] 7310120f6d216f433d8d7b7cf4670be9ded754a16b6a1b9e4c04270172ddbbd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+49b6ac01d6f4c3da812039ae846407a20961aa4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 152f0ca7c6a2dc75385f71ef75a5652b9ae8c6315193f625566077dea7073258
[INFO] running `Command { std: "docker" "start" "-a" "152f0ca7c6a2dc75385f71ef75a5652b9ae8c6315193f625566077dea7073258", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.21.4
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]     Checking getrandom v0.3.4
[INFO] [stderr]     Checking hashbrown v0.13.2
[INFO] [stderr]     Checking grandeur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/node.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.try_map::<_, _, !>(|d| Ok(f(d))).unwrap()
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]    = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]    --> src/node.rs:128:36
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.try_visit_map::<_, _, !>(|e| Ok(f(e))).unwrap()
[INFO] [stdout]     |                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]     = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]    --> src/node.rs:149:41
[INFO] [stdout]     |
[INFO] [stdout] 149 |         self.try_visit_apply::<_, _, _, !>(other, |a, b| Ok(f(a, b)))
[INFO] [stdout]     |                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]     = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]    --> src/node.rs:219:40
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.try_apply_prod::<_, _, _, !>(other, |a, b| Ok(f(a, b)))
[INFO] [stdout]     |                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]     = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]   --> src/node.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |         self.try_map::<_, _, !>(|d| Ok(f(d))).unwrap()
[INFO] [stdout]    |                              ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]    = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]    = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]    --> src/node.rs:128:36
[INFO] [stdout]     |
[INFO] [stdout] 128 |         self.try_visit_map::<_, _, !>(|e| Ok(f(e))).unwrap()
[INFO] [stdout]     |                                    ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]     = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]    --> src/node.rs:149:41
[INFO] [stdout]     |
[INFO] [stdout] 149 |         self.try_visit_apply::<_, _, _, !>(other, |a, b| Ok(f(a, b)))
[INFO] [stdout]     |                                         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]     = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-04-07; consider upgrading it if it is out of date
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: the `!` type is experimental
[INFO] [stdout]    --> src/node.rs:219:40
[INFO] [stdout]     |
[INFO] [stdout] 219 |         self.try_apply_prod::<_, _, _, !>(other, |a, b| Ok(f(a, b)))
[INFO] [stdout]     |                                        ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #35121 <https://github.com/rust-lang/rust/issues/35121> for more information
[INFO] [stdout]     = help: add `#![feature(never_type)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-04-07; 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 `grandeur` (lib) due to 4 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `grandeur` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "152f0ca7c6a2dc75385f71ef75a5652b9ae8c6315193f625566077dea7073258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152f0ca7c6a2dc75385f71ef75a5652b9ae8c6315193f625566077dea7073258", kill_on_drop: false }`
[INFO] [stdout] 152f0ca7c6a2dc75385f71ef75a5652b9ae8c6315193f625566077dea7073258