[INFO] fetching crate r2u2_core 4.1.0...
[INFO] testing r2u2_core-4.1.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate r2u2_core 4.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate r2u2_core 4.1.0
[INFO] finished tweaking crates.io crate r2u2_core 4.1.0
[INFO] tweaked toml for crates.io crate r2u2_core 4.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate r2u2_core 4.1.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate r2u2_core 4.1.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded verus_builtin v0.0.0-2025-08-12-1837
[INFO] [stderr]   Downloaded libc-print v0.1.23
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded const_env_impl v0.1.2
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded const_env v0.1.2
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded cortex-m-semihosting v0.5.0
[INFO] [stderr]   Downloaded verus_prettyplease v0.0.0-2025-08-12-1837
[INFO] [stderr]   Downloaded verus_state_machines_macros v0.0.0-2025-08-12-1837
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded verus_builtin_macros v0.0.0-2025-08-12-1837
[INFO] [stderr]   Downloaded syn v2.0.108
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded vstd v0.0.0-2025-08-12-1837
[INFO] [stderr]   Downloaded verus_syn v0.0.0-2025-08-12-1837
[INFO] [stderr]   Downloaded fixedstr v0.5.9
[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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cebded1e768d8d1f2b19462f39d304aa6f3b59027184e76a2910b0033b9891b3
[INFO] running `Command { std: "docker" "start" "-a" "cebded1e768d8d1f2b19462f39d304aa6f3b59027184e76a2910b0033b9891b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cebded1e768d8d1f2b19462f39d304aa6f3b59027184e76a2910b0033b9891b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebded1e768d8d1f2b19462f39d304aa6f3b59027184e76a2910b0033b9891b3", kill_on_drop: false }`
[INFO] [stdout] cebded1e768d8d1f2b19462f39d304aa6f3b59027184e76a2910b0033b9891b3
[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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50273a723a31a19ab576de98bfdf459aa9095ad19a62a3ed35d02602398a1d69
[INFO] running `Command { std: "docker" "start" "-a" "50273a723a31a19ab576de98bfdf459aa9095ad19a62a3ed35d02602398a1d69", kill_on_drop: false }`
[INFO] [stderr]    Compiling verus_prettyplease v0.0.0-2025-08-12-1837
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling vstd v0.0.0-2025-08-12-1837
[INFO] [stderr]    Compiling verus_builtin v0.0.0-2025-08-12-1837
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling verus_syn v0.0.0-2025-08-12-1837
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling const_env_impl v0.1.2
[INFO] [stderr]    Compiling const_env v0.1.2
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling verus_state_machines_macros v0.0.0-2025-08-12-1837
[INFO] [stderr]    Compiling verus_builtin_macros v0.0.0-2025-08-12-1837
[INFO] [stderr]    Compiling r2u2_core v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `Command { std: "docker" "inspect" "50273a723a31a19ab576de98bfdf459aa9095ad19a62a3ed35d02602398a1d69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50273a723a31a19ab576de98bfdf459aa9095ad19a62a3ed35d02602398a1d69", kill_on_drop: false }`
[INFO] [stdout] 50273a723a31a19ab576de98bfdf459aa9095ad19a62a3ed35d02602398a1d69
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5554309ce1fd8453fac5847aa392c46e3f85e5b404c4f0dbf6df047ac7f94fa1
[INFO] running `Command { std: "docker" "start" "-a" "5554309ce1fd8453fac5847aa392c46e3f85e5b404c4f0dbf6df047ac7f94fa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling r2u2_core v4.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "5554309ce1fd8453fac5847aa392c46e3f85e5b404c4f0dbf6df047ac7f94fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5554309ce1fd8453fac5847aa392c46e3f85e5b404c4f0dbf6df047ac7f94fa1", kill_on_drop: false }`
[INFO] [stdout] 5554309ce1fd8453fac5847aa392c46e3f85e5b404c4f0dbf6df047ac7f94fa1
[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" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cea808bfc2027f29e09214ceef3551b3e62365a66059858725ec96ecb34c028e
[INFO] running `Command { std: "docker" "start" "-a" "cea808bfc2027f29e09214ceef3551b3e62365a66059858725ec96ecb34c028e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/r2u2_core-b4a81edcf14db2e6)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cea808bfc2027f29e09214ceef3551b3e62365a66059858725ec96ecb34c028e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea808bfc2027f29e09214ceef3551b3e62365a66059858725ec96ecb34c028e", kill_on_drop: false }`
[INFO] [stdout] cea808bfc2027f29e09214ceef3551b3e62365a66059858725ec96ecb34c028e