[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-2026-01-20 for beta-1.94-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgio256%2Frub" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-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-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gio256/rub on toolchain beta-2026-01-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-01-20" "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-2026-01-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d093e8d38b97bcc32c2ee61f8d8ff1d254553b024c705586523931eabab7b342
[INFO] running `Command { std: "docker" "start" "-a" "d093e8d38b97bcc32c2ee61f8d8ff1d254553b024c705586523931eabab7b342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d093e8d38b97bcc32c2ee61f8d8ff1d254553b024c705586523931eabab7b342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d093e8d38b97bcc32c2ee61f8d8ff1d254553b024c705586523931eabab7b342", kill_on_drop: false }`
[INFO] [stdout] d093e8d38b97bcc32c2ee61f8d8ff1d254553b024c705586523931eabab7b342
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9f3da630f04b95671026eb191904c2f47276ff3aa4fd4d52782250ad3407b86
[INFO] running `Command { std: "docker" "start" "-a" "d9f3da630f04b95671026eb191904c2f47276ff3aa4fd4d52782250ad3407b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling rub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "d9f3da630f04b95671026eb191904c2f47276ff3aa4fd4d52782250ad3407b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f3da630f04b95671026eb191904c2f47276ff3aa4fd4d52782250ad3407b86", kill_on_drop: false }`
[INFO] [stdout] d9f3da630f04b95671026eb191904c2f47276ff3aa4fd4d52782250ad3407b86
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02067d90a1db4f82aecbf10ab494163992e5ff3a0cf644bfa63e8afa457a3f6
[INFO] running `Command { std: "docker" "start" "-a" "e02067d90a1db4f82aecbf10ab494163992e5ff3a0cf644bfa63e8afa457a3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rub v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "e02067d90a1db4f82aecbf10ab494163992e5ff3a0cf644bfa63e8afa457a3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02067d90a1db4f82aecbf10ab494163992e5ff3a0cf644bfa63e8afa457a3f6", kill_on_drop: false }`
[INFO] [stdout] e02067d90a1db4f82aecbf10ab494163992e5ff3a0cf644bfa63e8afa457a3f6
[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@sha256:98afbf2d16093dec2546ff8915fddc74e65664aa03fc460b3712b1c2c54a33e4" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-01-20" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 36aab03ed5c5c92ea4dc32abaea88fdcc5a47eb6850850242bc93c4daa07c89b
[INFO] running `Command { std: "docker" "start" "-a" "36aab03ed5c5c92ea4dc32abaea88fdcc5a47eb6850850242bc93c4daa07c89b", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[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_disable_unique ... ok
[INFO] [stdout] test borrows::test_ok_const_write ... ok
[INFO] [stdout] test borrows::test_cell ... ok
[INFO] [stdout] test borrows::test_ok_copy_nonoverlapping ... ok
[INFO] [stdout] test borrows::test_reserved ... ok
[INFO] [stdout] test borrows::test_sibling_ptr ... ok
[INFO] [stdout] test borrows::test_ok_interleave_reads ... ok
[INFO] [stdout] test borrows::test_ok_steal_borrow ... ok
[INFO] [stdout] test borrows::test_protected ... ok
[INFO] [stdout] test ptr::test_deref_fn_ptr ... ok
[INFO] [stdout] test ptr::test_oob ... ok
[INFO] [stdout] test borrows::test_raw_ptr_restricted ... ok
[INFO] [stdout] test ptr::test_unaligned ... ok
[INFO] [stdout] test ptr::test_unaligned_ref ... ok
[INFO] [stdout] test ptr::test_no_provenance ... ok
[INFO] [stderr] free(): double free detected in tcache 2
[INFO] [stderr] 
[INFO] [stderr] thread 'ptr::test_underscore_place' (53) panicked at src/lib.rs:274:26:
[INFO] [stderr] null pointer dereference occurred
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x58058a8f57f2 - std::backtrace_rs::backtrace::libunwind::trace::hf0bd46b30bc61685
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x58058a8f57f2 - std::backtrace_rs::backtrace::trace_unsynchronized::h1d1fbb72ad89d7b7
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x58058a8f57f2 - std::sys::backtrace::_print_fmt::he38b6f68ca847f47
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:74:9
[INFO] [stderr]    3:     0x58058a8f57f2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hb7e843cde1bc81a3
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/std/src/sys/backtrace.rs:44:26
[INFO] [stderr]    4:     0x58058a9058aa - core::fmt::rt::Argument::fmt::hc1dd77ac64f2688c
[INFO] [stderr]                                at /rustc/9b1f8ff42d110b0ca138116745be921df5dc97e7/library/core/src/fmt/rt.rs:152:76
[INFO] [stderr]    5:     0x58058a9058aa - core::fmt::write::h952c506e2dbe9cff
[INFO] [stderr]    6:  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" "36aab03ed5c5c92ea4dc32abaea88fdcc5a47eb6850850242bc93c4daa07c89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36aab03ed5c5c92ea4dc32abaea88fdcc5a47eb6850850242bc93c4daa07c89b", kill_on_drop: false }`
[INFO] [stdout] 36aab03ed5c5c92ea4dc32abaea88fdcc5a47eb6850850242bc93c4daa07c89b
