[INFO] fetching crate safe-fork 0.1.1...
[INFO] testing safe-fork-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate safe-fork 0.1.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate safe-fork 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate safe-fork 0.1.1
[INFO] tweaked toml for crates.io crate safe-fork 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe-fork 0.1.1 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 1 package to latest compatible version
[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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 4c9154ab5be1337583409d3335fd8067e96a2a8d1644ed6a76875db9f999f1ec
[INFO] running `Command { std: "docker" "start" "-a" "4c9154ab5be1337583409d3335fd8067e96a2a8d1644ed6a76875db9f999f1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c9154ab5be1337583409d3335fd8067e96a2a8d1644ed6a76875db9f999f1ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c9154ab5be1337583409d3335fd8067e96a2a8d1644ed6a76875db9f999f1ec", kill_on_drop: false }`
[INFO] [stdout] 4c9154ab5be1337583409d3335fd8067e96a2a8d1644ed6a76875db9f999f1ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 178d7bd073ec04efc709ce4fc8213d2a63d60621fdffa347786a85c1b361b958
[INFO] running `Command { std: "docker" "start" "-a" "178d7bd073ec04efc709ce4fc8213d2a63d60621fdffa347786a85c1b361b958", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-fork v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "178d7bd073ec04efc709ce4fc8213d2a63d60621fdffa347786a85c1b361b958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "178d7bd073ec04efc709ce4fc8213d2a63d60621fdffa347786a85c1b361b958", kill_on_drop: false }`
[INFO] [stdout] 178d7bd073ec04efc709ce4fc8213d2a63d60621fdffa347786a85c1b361b958
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 27c92f2ea43f1e600ef908dd1debeef5a5976486dd491693534f8a17eba2f694
[INFO] running `Command { std: "docker" "start" "-a" "27c92f2ea43f1e600ef908dd1debeef5a5976486dd491693534f8a17eba2f694", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe-fork v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "27c92f2ea43f1e600ef908dd1debeef5a5976486dd491693534f8a17eba2f694", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27c92f2ea43f1e600ef908dd1debeef5a5976486dd491693534f8a17eba2f694", kill_on_drop: false }`
[INFO] [stdout] 27c92f2ea43f1e600ef908dd1debeef5a5976486dd491693534f8a17eba2f694
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 9762ed94d10e4e8971e38c84df9d1f6e6160955d65d538b26526e8d755a9e894
[INFO] running `Command { std: "docker" "start" "-a" "9762ed94d10e4e8971e38c84df9d1f6e6160955d65d538b26526e8d755a9e894", 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/safe_fork-121312fb869fd390)
[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/multi_threaded.rs (/opt/rustwide/target/debug/deps/multi_threaded-9c504ca75f30a012)
[INFO] [stderr] 
[INFO] [stderr] thread 'main' (25) panicked at tests/multi_threaded.rs:2:44:
[INFO] [stderr] called `Result::unwrap()` on an `Err` value: Os { code: 1, kind: PermissionDenied, message: "Operation not permitted" }
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x5b188a6c4002 - std::backtrace_rs::backtrace::libunwind::trace::hcab59e1e990fdc24
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]    1:     0x5b188a6c4002 - std::backtrace_rs::backtrace::trace_unsynchronized::he24cc57f3d2f47b7
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]    2:     0x5b188a6c4002 - std::sys::backtrace::_print_fmt::hf8d65ede198eeb54
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]    3:     0x5b188a6c4002 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h67edf0e4d33c343c
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]    4:     0x5b188a6d2caf - core::fmt::rt::Argument::fmt::hef94184842aeafdd
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]    5:     0x5b188a6d2caf - core::fmt::write::hcf0c66b48a8fa606
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]    6:     0x5b188a6a2421 - std::io::default_write_fmt::h1ecb8c7cfa7da481
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:639:11
[INFO] [stderr]    7:     0x5b188a6a2421 - std::io::Write::write_fmt::h051fe4a9e4fdbf48
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]    8:     0x5b188a6a7862 - std::sys::backtrace::BacktraceLock::print::h07e5435aa717b414
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]    9:     0x5b188a6a90dc - std::panicking::default_hook::{{closure}}::h91001850288db5f7
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:301:27
[INFO] [stderr]   10:     0x5b188a6a8f36 - std::panicking::default_hook::h2346dbb704ef5512
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:328:9
[INFO] [stderr]   11:     0x5b188a6a9765 - std::panicking::panic_with_hook::hd2b063a6090d23a4
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:834:13
[INFO] [stderr]   12:     0x5b188a6a95fa - std::panicking::panic_handler::{{closure}}::he666d95f139a333e
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:707:13
[INFO] [stderr]   13:     0x5b188a6a7999 - std::sys::backtrace::__rust_end_short_backtrace::h631ad224854ebee5
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]   14:     0x5b188a696f4d - __rustc[1d67440d6e82e4f]::rust_begin_unwind
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:698:5
[INFO] [stderr]   15:     0x5b188a6d5f70 - core::panicking::panic_fmt::h420ddb7fd73daf53
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/panicking.rs:75:14
[INFO] [stderr]   16:     0x5b188a6d57d6 - core::result::unwrap_failed::hdde076be853d034f
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1855:5
[INFO] [stderr]   17:     0x5b188a69558f - core::result::Result<T,E>::unwrap::h64f1caa041b1cc11
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/result.rs:1226:23
[INFO] [stderr]   18:     0x5b188a69558f - multi_threaded::main::h1562fbab4bf35e4a
[INFO] [stderr]                                at /opt/rustwide/workdir/tests/multi_threaded.rs:2:44
[INFO] [stderr]   19:     0x5b188a6957db - core::ops::function::FnOnce::call_once::he2f8aaff86d67df5
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:250:5
[INFO] [stderr]   20:     0x5b188a6956fe - std::sys::backtrace::__rust_begin_short_backtrace::h89af27a3564cf828
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/sys/backtrace.rs:158:18
[INFO] [stderr]   21:     0x5b188a6956d1 - std::rt::lang_start::{{closure}}::h405b62aad113d635
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:206:18
[INFO] [stderr]   22:     0x5b188a6a3820 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h4967fb77e0dfb65c
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/core/src/ops/function.rs:287:21
[INFO] [stderr]   23:     0x5b188a6a3820 - std::panicking::catch_unwind::do_call::hf7e87675c3e14c23
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]   24:     0x5b188a6a3820 - std::panicking::catch_unwind::h26f0e342004b5114
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]   25:     0x5b188a6a3820 - std::panic::catch_unwind::h9ee33ca17775d897
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]   26:     0x5b188a6a3820 - std::rt::lang_start_internal::{{closure}}::h243ba3495fa13cf8
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:175:24
[INFO] [stderr]   27:     0x5b188a6a3820 - std::panicking::catch_unwind::do_call::h819db0a7788e7259
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:590:40
[INFO] [stderr]   28:     0x5b188a6a3820 - std::panicking::catch_unwind::h23e08fb4a7b9f405
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panicking.rs:553:19
[INFO] [stderr]   29:     0x5b188a6a3820 - std::panic::catch_unwind::h7ca3d9eabb6135ff
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/panic.rs:359:14
[INFO] [stderr]   30:     0x5b188a6a3820 - std::rt::lang_start_internal::h06ad7395f4fda8d7
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:171:5
[INFO] [stderr]   31:     0x5b188a6956b7 - std::rt::lang_start::h6f01704d06889248
[INFO] [stderr]                                at /rustc/bb624dcb4c8ab987e10c0808d92d76f3b84dd117/library/std/src/rt.rs:205:5
[INFO] [stderr]   32:     0x5b188a695d0e - main
[INFO] [stderr]   33:     0x78b5a8b451ca - <unknown>
[INFO] [stderr]   34:     0x78b5a8b4528b - __libc_start_main
[INFO] [stderr]   35:     0x5b188a695475 - _start
[INFO] [stderr]   36:                0x0 - <unknown>
[INFO] [stderr] error: test failed, to rerun pass `--test multi_threaded`
[INFO] running `Command { std: "docker" "inspect" "9762ed94d10e4e8971e38c84df9d1f6e6160955d65d538b26526e8d755a9e894", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9762ed94d10e4e8971e38c84df9d1f6e6160955d65d538b26526e8d755a9e894", kill_on_drop: false }`
[INFO] [stdout] 9762ed94d10e4e8971e38c84df9d1f6e6160955d65d538b26526e8d755a9e894