[INFO] fetching crate mmap-vec 0.2.0... [INFO] testing mmap-vec-0.2.0 against try#b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b for pr-145330-1 [INFO] extracting crate mmap-vec 0.2.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate mmap-vec 0.2.0 [INFO] finished tweaking crates.io crate mmap-vec 0.2.0 [INFO] tweaked toml for crates.io crate mmap-vec 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate mmap-vec 0.2.0 on toolchain b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 49 packages to latest compatible versions [INFO] [stderr] Adding dirs v5.0.1 (available: v6.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b4c6821722c5480f24487f47a4700845e6f0c6c5f6a1361946dd964904c2ce51 [INFO] running `Command { std: "docker" "start" "-a" "b4c6821722c5480f24487f47a4700845e6f0c6c5f6a1361946dd964904c2ce51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b4c6821722c5480f24487f47a4700845e6f0c6c5f6a1361946dd964904c2ce51", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b4c6821722c5480f24487f47a4700845e6f0c6c5f6a1361946dd964904c2ce51", kill_on_drop: false }` [INFO] [stdout] b4c6821722c5480f24487f47a4700845e6f0c6c5f6a1361946dd964904c2ce51 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3303e9e45fa0cea00f43a280783960f687d3378ef5eea79666b3d0d8ae787078 [INFO] running `Command { std: "docker" "start" "-a" "3303e9e45fa0cea00f43a280783960f687d3378ef5eea79666b3d0d8ae787078", kill_on_drop: false }` [INFO] [stderr] Compiling serde_core v1.0.228 [INFO] [stderr] Compiling option-ext v0.2.0 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling dirs-sys v0.4.1 [INFO] [stderr] Compiling uuid v1.18.1 [INFO] [stderr] Compiling dirs v5.0.1 [INFO] [stderr] Compiling mmap-vec v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.73s [INFO] running `Command { std: "docker" "inspect" "3303e9e45fa0cea00f43a280783960f687d3378ef5eea79666b3d0d8ae787078", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3303e9e45fa0cea00f43a280783960f687d3378ef5eea79666b3d0d8ae787078", kill_on_drop: false }` [INFO] [stdout] 3303e9e45fa0cea00f43a280783960f687d3378ef5eea79666b3d0d8ae787078 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 906d4533c490e02319dd70a5a92159b8df8c2357a9d40bcaa078f2384381428b [INFO] running `Command { std: "docker" "start" "-a" "906d4533c490e02319dd70a5a92159b8df8c2357a9d40bcaa078f2384381428b", kill_on_drop: false }` [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling mmap-vec v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.88s [INFO] running `Command { std: "docker" "inspect" "906d4533c490e02319dd70a5a92159b8df8c2357a9d40bcaa078f2384381428b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "906d4533c490e02319dd70a5a92159b8df8c2357a9d40bcaa078f2384381428b", kill_on_drop: false }` [INFO] [stdout] 906d4533c490e02319dd70a5a92159b8df8c2357a9d40bcaa078f2384381428b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "+b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 2aaa9efa32c2aae5d68477d1634db67ee8f0cc85eb21d75007e89150a89e9035 [INFO] running `Command { std: "docker" "start" "-a" "2aaa9efa32c2aae5d68477d1634db67ee8f0cc85eb21d75007e89150a89e9035", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mmap_vec-09ed7d04d0ac6118) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test segment_builder::tests::test_uniqueness ... 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 mmap_vec [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test src/vec_builder.rs - vec_builder::MmapVecBuilder (line 12) ... ok [INFO] [stdout] test src/segment.rs - segment::Segment::extend_from_segment (line 168) ... FAILED [INFO] [stdout] test src/lib.rs - MmapVec::truncate_first (line 207) ... FAILED [INFO] [stdout] test src/lib.rs - (line 22) ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/segment.rs - segment::Segment::extend_from_segment (line 168) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (125) panicked at src/segment.rs:6:75: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5a2b056b61a2 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a2b056b61a2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a2b056b61a2 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a2b056b61a2 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a2b056d229f - core::fmt::rt::Argument::fmt::h6f1564705cd089af [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5a2b056d229f - core::fmt::write::h21ca93b65a7c281a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5a2b056a8183 - std::io::default_write_fmt::h745a1edf2999cb3b [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5a2b056a8183 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5a2b056b67b2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5a2b056a61fc - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5a2b056a603c - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5a2b056a6d4a - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5a2b056b65ba - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5a2b056b6519 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5a2b056a6afd - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5a2b056d4d90 - core::panicking::panic_fmt::hc70c3c83f13c1375 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5a2b056d5696 - core::result::unwrap_failed::ha809bf80017a514a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/result.rs:1852:5 [INFO] [stdout] 17: 0x5a2b0569276a - rust_out::main::_doctest_main_src_segment_rs_168_0::h5ee0b551667e034a [INFO] [stdout] 18: 0x5a2b056926e6 - rust_out::main::h61a73a86de211918 [INFO] [stdout] 19: 0x5a2b056938c3 - core::ops::function::FnOnce::call_once::h6c9c00fd6ee79245 [INFO] [stdout] 20: 0x5a2b056938e6 - std::sys::backtrace::__rust_begin_short_backtrace::h916f7d6bfb06988c [INFO] [stdout] 21: 0x5a2b056936f9 - std::rt::lang_start::{{closure}}::h8b630493ef2474c7 [INFO] [stdout] 22: 0x5a2b056b6f30 - core::ops::function::impls:: for &F>::call_once::hae16bf8966719858 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 23: 0x5a2b056b6f30 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x5a2b056b6f30 - std::panicking::catch_unwind::h35b4afc45093edf5 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x5a2b056b6f30 - std::panic::catch_unwind::h5a7ef11ac2fa7980 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x5a2b056b6f30 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x5a2b056b6f30 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x5a2b056b6f30 - std::panicking::catch_unwind::hfbb31091ea806204 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x5a2b056b6f30 - std::panic::catch_unwind::hc88f452387620cfb [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5a2b056b6f30 - std::rt::lang_start_internal::h23cfb6dcbf9c9010 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5a2b056936e1 - std::rt::lang_start::h2676fe224d780b30 [INFO] [stdout] 32: 0x5a2b05693925 - main [INFO] [stdout] 33: 0x78b60f50e1ca - [INFO] [stdout] 34: 0x78b60f50e28b - __libc_start_main [INFO] [stdout] 35: 0x5a2b05691895 - _start [INFO] [stdout] 36: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - MmapVec::truncate_first (line 207) stdout ---- [INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (127) panicked at /opt/rustwide/workdir/src/segment.rs:262:18: [INFO] [stdout] unsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` [INFO] [stdout] [INFO] [stdout] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety. [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x5c1b194a9102 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5c1b194a9102 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5c1b194a9102 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5c1b194a9102 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5c1b194c519f - core::fmt::rt::Argument::fmt::h6f1564705cd089af [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5c1b194c519f - core::fmt::write::h21ca93b65a7c281a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5c1b1949b0e3 - std::io::default_write_fmt::h745a1edf2999cb3b [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5c1b1949b0e3 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5c1b194a9712 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5c1b1949916c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5c1b19498fac - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5c1b19499cba - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5c1b194a94e6 - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:700:13 [INFO] [stdout] 13: 0x5c1b194a9479 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5c1b19499a6d - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5c1b194c7a7d - core::panicking::panic_nounwind_fmt::runtime::h13e4beb899d003a0 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:117:22 [INFO] [stdout] 16: 0x5c1b194c7a7d - core::panicking::panic_nounwind_fmt::h8f5b2d2b4e53b323 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/intrinsics/mod.rs:2361:9 [INFO] [stdout] 17: 0x5c1b1947cac2 - core::slice::raw::from_raw_parts::precondition_check::hcb2f23ae82986bf3 [INFO] [stdout] 18: 0x5c1b1947c89f - core::slice::raw::from_raw_parts::h4d276980fc5a6795 [INFO] [stdout] 19: 0x5c1b1947b980 - mmap_vec::MmapVec::push::h168c55f49fb62b2f [INFO] [stdout] 20: 0x5c1b1947bcc0 - rust_out::main::_doctest_main_src_lib_rs_207_0::ha7468632b174efce [INFO] [stdout] 21: 0x5c1b1947bb66 - rust_out::main::h61a73a86de211918 [INFO] [stdout] 22: 0x5c1b1947d8e3 - core::ops::function::FnOnce::call_once::h6c9c00fd6ee79245 [INFO] [stdout] 23: 0x5c1b1947d9c6 - std::sys::backtrace::__rust_begin_short_backtrace::h916f7d6bfb06988c [INFO] [stdout] 24: 0x5c1b1947d719 - std::rt::lang_start::{{closure}}::h8b630493ef2474c7 [INFO] [stdout] 25: 0x5c1b194a9e90 - core::ops::function::impls:: for &F>::call_once::hae16bf8966719858 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 26: 0x5c1b194a9e90 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5c1b194a9e90 - std::panicking::catch_unwind::h35b4afc45093edf5 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5c1b194a9e90 - std::panic::catch_unwind::h5a7ef11ac2fa7980 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5c1b194a9e90 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x5c1b194a9e90 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x5c1b194a9e90 - std::panicking::catch_unwind::hfbb31091ea806204 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x5c1b194a9e90 - std::panic::catch_unwind::hc88f452387620cfb [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x5c1b194a9e90 - std::rt::lang_start_internal::h23cfb6dcbf9c9010 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x5c1b1947d701 - std::rt::lang_start::h2676fe224d780b30 [INFO] [stdout] 35: 0x5c1b1947da35 - main [INFO] [stdout] 36: 0x7c9d8a5f21ca - [INFO] [stdout] 37: 0x7c9d8a5f228b - __libc_start_main [INFO] [stdout] 38: 0x5c1b1947aba5 - _start [INFO] [stdout] 39: 0x0 - [INFO] [stdout] thread caused non-unwinding panic. aborting. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - (line 22) stdout ---- [INFO] [stdout] Test executable failed (signal: 6 (SIGABRT) (core dumped)). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (144) panicked at /opt/rustwide/workdir/src/segment.rs:262:18: [INFO] [stdout] unsafe precondition(s) violated: slice::from_raw_parts requires the pointer to be aligned and non-null, and the total size of the slice not to exceed `isize::MAX` [INFO] [stdout] [INFO] [stdout] This indicates a bug in the program. This Undefined Behavior check is optional, and cannot be relied on for safety. [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x60964e3fa2b2 - std::backtrace_rs::backtrace::libunwind::trace::hc4a5f428cfb78751 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x60964e3fa2b2 - std::backtrace_rs::backtrace::trace_unsynchronized::h20e1095684b4c296 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x60964e3fa2b2 - std::sys::backtrace::_print_fmt::h461f2e3a8f6b29e2 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x60964e3fa2b2 - ::fmt::h4ee3a75aa71a2c45 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x60964e41685f - core::fmt::rt::Argument::fmt::h6f1564705cd089af [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x60964e41685f - core::fmt::write::h21ca93b65a7c281a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x60964e3ec293 - std::io::default_write_fmt::h745a1edf2999cb3b [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x60964e3ec293 - std::io::Write::write_fmt::hfc56e66d6e189682 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x60964e3fa8c2 - std::sys::backtrace::BacktraceLock::print::h58d5d73f9e953cf1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x60964e3ea30c - std::panicking::default_hook::{{closure}}::h1457fbe47c9457d1 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x60964e3ea14c - std::panicking::default_hook::hccb5e73b206c0830 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x60964e3eae5a - std::panicking::panic_with_hook::h3190ecc6229cdd29 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x60964e3fa696 - std::panicking::panic_handler::{{closure}}::ha1f1b769bc2bb40c [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:700:13 [INFO] [stdout] 13: 0x60964e3fa629 - std::sys::backtrace::__rust_end_short_backtrace::h5f9cf66f19c2a172 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x60964e3eac0d - __rustc[a93bd50104b99ad4]::rust_begin_unwind [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x60964e4192fd - core::panicking::panic_nounwind_fmt::runtime::h13e4beb899d003a0 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/panicking.rs:117:22 [INFO] [stdout] 16: 0x60964e4192fd - core::panicking::panic_nounwind_fmt::h8f5b2d2b4e53b323 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/intrinsics/mod.rs:2361:9 [INFO] [stdout] 17: 0x60964e3ce142 - core::slice::raw::from_raw_parts::precondition_check::hcb2f23ae82986bf3 [INFO] [stdout] 18: 0x60964e3cdf21 - core::slice::raw::from_raw_parts::h80ccbb97262bc84f [INFO] [stdout] 19: 0x60964e3cd0c4 - mmap_vec::MmapVec::push::h4d856a8921fc7eda [INFO] [stdout] 20: 0x60964e3cc41f - rust_out::main::_doctest_main_src_lib_rs_22_0::h4ec188aaf0a81bb0 [INFO] [stdout] 21: 0x60964e3cc9b6 - rust_out::main::h61a73a86de211918 [INFO] [stdout] 22: 0x60964e3cea03 - core::ops::function::FnOnce::call_once::h6c9c00fd6ee79245 [INFO] [stdout] 23: 0x60964e3ceb36 - std::sys::backtrace::__rust_begin_short_backtrace::h916f7d6bfb06988c [INFO] [stdout] 24: 0x60964e3ce859 - std::rt::lang_start::{{closure}}::h8b630493ef2474c7 [INFO] [stdout] 25: 0x60964e3fb040 - core::ops::function::impls:: for &F>::call_once::hae16bf8966719858 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/core/src/ops/function.rs:290:21 [INFO] [stdout] 26: 0x60964e3fb040 - std::panicking::catch_unwind::do_call::hd4eb7cf01d0f66cd [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x60964e3fb040 - std::panicking::catch_unwind::h35b4afc45093edf5 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x60964e3fb040 - std::panic::catch_unwind::h5a7ef11ac2fa7980 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x60964e3fb040 - std::rt::lang_start_internal::{{closure}}::h18f8e059e8eb5f5a [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x60964e3fb040 - std::panicking::catch_unwind::do_call::hb4f94f34ea41283f [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x60964e3fb040 - std::panicking::catch_unwind::hfbb31091ea806204 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x60964e3fb040 - std::panic::catch_unwind::hc88f452387620cfb [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x60964e3fb040 - std::rt::lang_start_internal::h23cfb6dcbf9c9010 [INFO] [stdout] at /rustc/b6ae10aa7319b7ebb6c7b3331dd71a9d6c9c5b4b/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x60964e3ce841 - std::rt::lang_start::h2676fe224d780b30 [INFO] [stdout] 35: 0x60964e3ceba5 - main [INFO] [stdout] 36: 0x70c0ac3921ca - [INFO] [stdout] 37: 0x70c0ac39228b - __libc_start_main [INFO] [stdout] 38: 0x60964e3cc055 - _start [INFO] [stdout] 39: 0x0 - [INFO] [stdout] thread caused non-unwinding panic. aborting. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - (line 22) [INFO] [stdout] src/lib.rs - MmapVec::truncate_first (line 207) [INFO] [stdout] src/segment.rs - segment::Segment::extend_from_segment (line 168) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 1 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.73s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "2aaa9efa32c2aae5d68477d1634db67ee8f0cc85eb21d75007e89150a89e9035", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aaa9efa32c2aae5d68477d1634db67ee8f0cc85eb21d75007e89150a89e9035", kill_on_drop: false }` [INFO] [stdout] 2aaa9efa32c2aae5d68477d1634db67ee8f0cc85eb21d75007e89150a89e9035