[INFO] fetching crate mutslices 0.1.0...
[INFO] testing mutslices-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate mutslices 0.1.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate mutslices 0.1.0
[INFO] finished tweaking crates.io crate mutslices 0.1.0
[INFO] tweaked toml for crates.io crate mutslices 0.1.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mutslices 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 27 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3692c571856ef581f670200b5edf28183df529ca2bf4c87deca9967a68630418
[INFO] running `Command { std: "docker" "start" "-a" "3692c571856ef581f670200b5edf28183df529ca2bf4c87deca9967a68630418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3692c571856ef581f670200b5edf28183df529ca2bf4c87deca9967a68630418", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3692c571856ef581f670200b5edf28183df529ca2bf4c87deca9967a68630418", kill_on_drop: false }`
[INFO] [stdout] 3692c571856ef581f670200b5edf28183df529ca2bf4c87deca9967a68630418
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f5b6472c46e19b927baf695d56fb581cf5291111fb9428c0d7a0fa78ca8c9ed
[INFO] running `Command { std: "docker" "start" "-a" "4f5b6472c46e19b927baf695d56fb581cf5291111fb9428c0d7a0fa78ca8c9ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutslices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "4f5b6472c46e19b927baf695d56fb581cf5291111fb9428c0d7a0fa78ca8c9ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5b6472c46e19b927baf695d56fb581cf5291111fb9428c0d7a0fa78ca8c9ed", kill_on_drop: false }`
[INFO] [stdout] 4f5b6472c46e19b927baf695d56fb581cf5291111fb9428c0d7a0fa78ca8c9ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 272912bd6e392a771f98501bd6292e8367b0c21353c5b016187d57f64483de10
[INFO] running `Command { std: "docker" "start" "-a" "272912bd6e392a771f98501bd6292e8367b0c21353c5b016187d57f64483de10", kill_on_drop: false }`
[INFO] [stderr]    Compiling trybuild v1.0.111
[INFO] [stderr]    Compiling mutslices v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "272912bd6e392a771f98501bd6292e8367b0c21353c5b016187d57f64483de10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "272912bd6e392a771f98501bd6292e8367b0c21353c5b016187d57f64483de10", kill_on_drop: false }`
[INFO] [stdout] 272912bd6e392a771f98501bd6292e8367b0c21353c5b016187d57f64483de10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4836380e1caf96dd046288b5ad03983c7fdc30ff4f2742cdda8664d8173ae4bb
[INFO] running `Command { std: "docker" "start" "-a" "4836380e1caf96dd046288b5ad03983c7fdc30ff4f2742cdda8664d8173ae4bb", 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/mutslices-158f35c5b42451b2)
[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] [stderr]      Running tests/test_mutslices.rs (/opt/rustwide/target/debug/deps/test_mutslices-4c7695bd9d41ca91)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test test_range_one_slice ... ok
[INFO] [stdout] test test_clone_eq ... ok
[INFO] [stdout] test test_vec_move ... ignored, vec_move
[INFO] [stdout] test test_three_mut_slice_var_three ... ok
[INFO] [stdout] test test_three_mut_slice_var_two ... ok
[INFO] [stdout] test test_three_mut_slice_var_one ... ok
[INFO] [stdout] test test_three_mut_slice_var_four ... ok
[INFO] [stdout] test test_three_slice ... ok
[INFO] [stdout] test test_range_overlap - should panic ... ok
[INFO] [stdout] test test_range_end_gt_len - should panic ... ok
[INFO] [stdout] test test_range_start_eq_end - should panic ... ok
[INFO] [stdout] test test_range_start_greater_end - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mutslices
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - MutSlice<T>::vec_into (line 44) ... ok
[INFO] [stdout] test src/lib.rs - MutSlice<T>::slices_mut (line 69) ... ok
[INFO] [stdout] test src/lib.rs - MutSlice<T>::into_vec (line 113) ... ok
[INFO] [stdout] test src/lib.rs - (line 12) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.49s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4836380e1caf96dd046288b5ad03983c7fdc30ff4f2742cdda8664d8173ae4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4836380e1caf96dd046288b5ad03983c7fdc30ff4f2742cdda8664d8173ae4bb", kill_on_drop: false }`
[INFO] [stdout] 4836380e1caf96dd046288b5ad03983c7fdc30ff4f2742cdda8664d8173ae4bb