[INFO] fetching crate regroup 0.5.0...
[INFO] testing regroup-0.5.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate regroup 0.5.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate regroup 0.5.0
[INFO] finished tweaking crates.io crate regroup 0.5.0
[INFO] tweaked toml for crates.io crate regroup 0.5.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate regroup 0.5.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83b9383d52af6ec8b512240f466fbdea823e253566168b7b82f8c1a425cb8993
[INFO] running `Command { std: "docker" "start" "-a" "83b9383d52af6ec8b512240f466fbdea823e253566168b7b82f8c1a425cb8993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83b9383d52af6ec8b512240f466fbdea823e253566168b7b82f8c1a425cb8993", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83b9383d52af6ec8b512240f466fbdea823e253566168b7b82f8c1a425cb8993", kill_on_drop: false }`
[INFO] [stdout] 83b9383d52af6ec8b512240f466fbdea823e253566168b7b82f8c1a425cb8993
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0522478c80d162d4762e69c371a34243aa3f93893e77c9d6d307a2ca0836afe4
[INFO] running `Command { std: "docker" "start" "-a" "0522478c80d162d4762e69c371a34243aa3f93893e77c9d6d307a2ca0836afe4", kill_on_drop: false }`
[INFO] [stderr]    Compiling regroup v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "0522478c80d162d4762e69c371a34243aa3f93893e77c9d6d307a2ca0836afe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0522478c80d162d4762e69c371a34243aa3f93893e77c9d6d307a2ca0836afe4", kill_on_drop: false }`
[INFO] [stdout] 0522478c80d162d4762e69c371a34243aa3f93893e77c9d6d307a2ca0836afe4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2c259cb7041838e5eafdbfe87a9d793f31bb4762fd6602f7e001b674bb7d0a
[INFO] running `Command { std: "docker" "start" "-a" "df2c259cb7041838e5eafdbfe87a9d793f31bb4762fd6602f7e001b674bb7d0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling regroup v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "df2c259cb7041838e5eafdbfe87a9d793f31bb4762fd6602f7e001b674bb7d0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2c259cb7041838e5eafdbfe87a9d793f31bb4762fd6602f7e001b674bb7d0a", kill_on_drop: false }`
[INFO] [stdout] df2c259cb7041838e5eafdbfe87a9d793f31bb4762fd6602f7e001b674bb7d0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 490cdedb132601eaa6c0fe332fd1f9d50c0a38963a5e8b28fa82143a5712939f
[INFO] running `Command { std: "docker" "start" "-a" "490cdedb132601eaa6c0fe332fd1f9d50c0a38963a5e8b28fa82143a5712939f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/regroup-8ed622190e5ff14a)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test array_ext ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests regroup
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test src/lib.rs - len (line 475) ... ok
[INFO] [stdout] test src/lib.rs - into_vec (line 669) ... ok
[INFO] [stdout] test src/lib.rs - as_slice (line 558) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 537) ... ok
[INFO] [stdout] test src/lib.rs - len (line 486) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 541) ... ok
[INFO] [stdout] test src/lib.rs - from_mut_slice (line 788) ... ok
[INFO] [stdout] test src/lib.rs - try_cast_vec (line 1050) ... ok
[INFO] [stdout] test src/lib.rs - const_len (line 532) ... ok
[INFO] [stdout] test src/lib.rs - into_rc_slice (line 618) ... ok
[INFO] [stdout] test src/lib.rs - len (line 491) ... ok
[INFO] [stdout] test src/lib.rs - try_const_len (line 508) ... ok
[INFO] [stdout] test src/lib.rs - try_cast_vec (line 1043) ... ok
[INFO] [stdout] test src/lib.rs - as_mut_slice (line 577) ... ok
[INFO] [stdout] test src/lib.rs - into_arc_slice (line 641) ... ok
[INFO] [stdout] test src/lib.rs - from_slice (line 720) ... ok
[INFO] [stdout] test src/lib.rs - into_boxed_slice (line 596) ... ok
[INFO] [stdout] test src/lib.rs - try_from_slice (line 751) ... ok
[INFO] [stdout] test src/lib.rs - try_from_mut_slice (line 827) ... ok
[INFO] [stdout] test src/lib.rs - try_len (line 449) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.99s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "490cdedb132601eaa6c0fe332fd1f9d50c0a38963a5e8b28fa82143a5712939f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "490cdedb132601eaa6c0fe332fd1f9d50c0a38963a5e8b28fa82143a5712939f", kill_on_drop: false }`
[INFO] [stdout] 490cdedb132601eaa6c0fe332fd1f9d50c0a38963a5e8b28fa82143a5712939f
