[INFO] cloning repository https://github.com/gio256/rub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gio256/rub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgio256%2Frub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgio256%2Frub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15783a0c8b219216497f388cff504fb5ba78b940
[INFO] testing gio256/rub against beta-2026-03-05 for beta-1.95-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgio256%2Frub" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gio256/rub
[INFO] finished tweaking git repo https://github.com/gio256/rub
[INFO] tweaked toml for git repo https://github.com/gio256/rub written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gio256/rub on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gio256/rub 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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c477b5d3459469f1b8a59c05c7e4e4e7b12fe88e0e35c7ddbc9e6549fc0a0228
[INFO] running `Command { std: "docker" "start" "-a" "c477b5d3459469f1b8a59c05c7e4e4e7b12fe88e0e35c7ddbc9e6549fc0a0228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c477b5d3459469f1b8a59c05c7e4e4e7b12fe88e0e35c7ddbc9e6549fc0a0228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c477b5d3459469f1b8a59c05c7e4e4e7b12fe88e0e35c7ddbc9e6549fc0a0228", kill_on_drop: false }`
[INFO] [stdout] c477b5d3459469f1b8a59c05c7e4e4e7b12fe88e0e35c7ddbc9e6549fc0a0228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aae97eaeb7ea75941dfbd49d24e94d7c99723ccbc366d22240bfd93665fb5e3b
[INFO] running `Command { std: "docker" "start" "-a" "aae97eaeb7ea75941dfbd49d24e94d7c99723ccbc366d22240bfd93665fb5e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "aae97eaeb7ea75941dfbd49d24e94d7c99723ccbc366d22240bfd93665fb5e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aae97eaeb7ea75941dfbd49d24e94d7c99723ccbc366d22240bfd93665fb5e3b", kill_on_drop: false }`
[INFO] [stdout] aae97eaeb7ea75941dfbd49d24e94d7c99723ccbc366d22240bfd93665fb5e3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54598bcfda62ad485224d069e5a7bc9b13f23b8d4c2cb4bedb868a53c3592431
[INFO] running `Command { std: "docker" "start" "-a" "54598bcfda62ad485224d069e5a7bc9b13f23b8d4c2cb4bedb868a53c3592431", kill_on_drop: false }`
[INFO] [stderr]    Compiling rub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "54598bcfda62ad485224d069e5a7bc9b13f23b8d4c2cb4bedb868a53c3592431", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54598bcfda62ad485224d069e5a7bc9b13f23b8d4c2cb4bedb868a53c3592431", kill_on_drop: false }`
[INFO] [stdout] 54598bcfda62ad485224d069e5a7bc9b13f23b8d4c2cb4bedb868a53c3592431
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 88403c9c02b8b289f0aa8c249ed207ffd1a50e62a9c0dc1985a2b7b4e4f79a90
[INFO] running `Command { std: "docker" "start" "-a" "88403c9c02b8b289f0aa8c249ed207ffd1a50e62a9c0dc1985a2b7b4e4f79a90", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rub-e80d0a1a05d59b1a)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test borrows::test_ok_const_write ... ok
[INFO] [stdout] test borrows::test_disable_unique ... ok
[INFO] [stdout] test borrows::test_ok_copy_nonoverlapping ... ok
[INFO] [stdout] test borrows::test_const_write ... ok
[INFO] [stdout] test borrows::test_raw_ptr_restricted ... ok
[INFO] [stdout] test borrows::test_2phase ... ok
[INFO] [stdout] test borrows::test_reserved ... ok
[INFO] [stdout] test borrows::test_ok_disable_unique ... ok
[INFO] [stdout] test borrows::test_copy_nonoverlapping ... ok
[INFO] [stdout] test borrows::test_cell ... ok
[INFO] [stdout] test borrows::test_ok_interleave_reads ... ok
[INFO] [stdout] test borrows::test_protected ... ok
[INFO] [stdout] test ptr::test_deref_fn_ptr ... ok
[INFO] [stdout] test ptr::test_no_provenance ... ok
[INFO] [stdout] test ptr::test_place_expression ... ok
[INFO] [stdout] test borrows::test_sibling_ptr ... ok
[INFO] [stdout] test borrows::test_steal_borrow ... ok
[INFO] [stderr] free(): double free detected in tcache 2
[INFO] [stderr] 
[INFO] [stderr] thread 'ptr::test_underscore_place' (44) panicked at src/lib.rs:274:26:
[INFO] [stderr] null pointer dereference occurred
[INFO] [stderr] stack backtrace:
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/rub-e80d0a1a05d59b1a` (signal: 6, SIGABRT: process abort signal)
[INFO] running `Command { std: "docker" "inspect" "88403c9c02b8b289f0aa8c249ed207ffd1a50e62a9c0dc1985a2b7b4e4f79a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88403c9c02b8b289f0aa8c249ed207ffd1a50e62a9c0dc1985a2b7b4e4f79a90", kill_on_drop: false }`
[INFO] [stdout] 88403c9c02b8b289f0aa8c249ed207ffd1a50e62a9c0dc1985a2b7b4e4f79a90
