[INFO] fetching crate vstd 0.0.0-2026-05-17-0151...
[INFO] checking vstd-0.0.0-2026-05-17-0151 against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] extracting crate vstd 0.0.0-2026-05-17-0151 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate vstd 0.0.0-2026-05-17-0151
[INFO] finished tweaking crates.io crate vstd 0.0.0-2026-05-17-0151
[INFO] tweaked toml for crates.io crate vstd 0.0.0-2026-05-17-0151 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate vstd 0.0.0-2026-05-17-0151 on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate vstd 0.0.0-2026-05-17-0151 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded verus_prettyplease v0.0.0-2026-05-10-0145
[INFO] [stderr]   Downloaded verus_builtin v0.0.0-2026-05-17-0151
[INFO] [stderr]   Downloaded verus_state_machines_macros v0.0.0-2026-05-10-0145
[INFO] [stderr]   Downloaded verus_builtin_macros v0.0.0-2026-05-10-0145
[INFO] [stderr]   Downloaded verus_syn v0.0.0-2026-05-10-0145
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b80a98fc879e38e835759b3149e1addeedf1fe12ddbc7ce14a7a8b496e94561
[INFO] running `Command { std: "docker" "start" "-a" "2b80a98fc879e38e835759b3149e1addeedf1fe12ddbc7ce14a7a8b496e94561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b80a98fc879e38e835759b3149e1addeedf1fe12ddbc7ce14a7a8b496e94561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b80a98fc879e38e835759b3149e1addeedf1fe12ddbc7ce14a7a8b496e94561", kill_on_drop: false }`
[INFO] [stdout] 2b80a98fc879e38e835759b3149e1addeedf1fe12ddbc7ce14a7a8b496e94561
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50393e63f8bc00e35b46e598532d426083a61b3ea0f904f26cd439c9f953558c
[INFO] running `Command { std: "docker" "start" "-a" "50393e63f8bc00e35b46e598532d426083a61b3ea0f904f26cd439c9f953558c", kill_on_drop: false }`
[INFO] [stderr]    Compiling verus_prettyplease v0.0.0-2026-05-10-0145
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling vstd v0.0.0-2026-05-17-0151 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking verus_builtin v0.0.0-2026-05-17-0151
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling verus_syn v0.0.0-2026-05-10-0145
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling verus_builtin_macros v0.0.0-2026-05-10-0145
[INFO] [stderr]    Compiling verus_state_machines_macros v0.0.0-2026-05-10-0145
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> invariant.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl<K, V, Pred> !Sync for LocalInvariant<K, V, Pred> {}
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-05-17; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> thread.rs:153:6
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl !Sync for IsThread {
[INFO] [stdout]     |      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-05-17; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> thread.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl !Send for IsThread {
[INFO] [stdout]     |      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-05-17; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> invariant.rs:170:18
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl<K, V, Pred> !Sync for LocalInvariant<K, V, Pred> {}
[INFO] [stdout]     |                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-05-17; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> thread.rs:153:6
[INFO] [stdout]     |
[INFO] [stdout] 153 | impl !Sync for IsThread {
[INFO] [stdout]     |      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-05-17; 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: negative impls are experimental
[INFO] [stdout]    --> thread.rs:158:6
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl !Send for IsThread {
[INFO] [stdout]     |      ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #68318 <https://github.com/rust-lang/rust/issues/68318> for more information
[INFO] [stdout]     = help: add `#![feature(negative_impls)]` to the crate attributes to enable
[INFO] [stdout]     = note: this compiler was built on 2026-05-17; 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] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.70s
[INFO] running `Command { std: "docker" "inspect" "50393e63f8bc00e35b46e598532d426083a61b3ea0f904f26cd439c9f953558c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50393e63f8bc00e35b46e598532d426083a61b3ea0f904f26cd439c9f953558c", kill_on_drop: false }`
[INFO] [stdout] 50393e63f8bc00e35b46e598532d426083a61b3ea0f904f26cd439c9f953558c
