[INFO] fetching crate mmap-vec 0.2.0... [INFO] testing mmap-vec-0.2.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate mmap-vec 0.2.0 into /workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate mmap-vec 0.2.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 46 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 97b966ba57ed4d2cd1a5aa3161f81853ec1ed8b4d9144d252b8c351cb94d09a5 [INFO] running `Command { std: "docker" "start" "-a" "97b966ba57ed4d2cd1a5aa3161f81853ec1ed8b4d9144d252b8c351cb94d09a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "97b966ba57ed4d2cd1a5aa3161f81853ec1ed8b4d9144d252b8c351cb94d09a5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97b966ba57ed4d2cd1a5aa3161f81853ec1ed8b4d9144d252b8c351cb94d09a5", kill_on_drop: false }` [INFO] [stdout] 97b966ba57ed4d2cd1a5aa3161f81853ec1ed8b4d9144d252b8c351cb94d09a5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac07b779a53eb16932e58929845f0aa6e9d2d23aa46b66f8a2e4f7492bfbe51b [INFO] running `Command { std: "docker" "start" "-a" "ac07b779a53eb16932e58929845f0aa6e9d2d23aa46b66f8a2e4f7492bfbe51b", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.228 [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 2.03s [INFO] running `Command { std: "docker" "inspect" "ac07b779a53eb16932e58929845f0aa6e9d2d23aa46b66f8a2e4f7492bfbe51b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac07b779a53eb16932e58929845f0aa6e9d2d23aa46b66f8a2e4f7492bfbe51b", kill_on_drop: false }` [INFO] [stdout] ac07b779a53eb16932e58929845f0aa6e9d2d23aa46b66f8a2e4f7492bfbe51b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] db6d89b617770bbf1aa09e19ad1afb9c23ca4a2ac5873437ea23b079087f15d2 [INFO] running `Command { std: "docker" "start" "-a" "db6d89b617770bbf1aa09e19ad1afb9c23ca4a2ac5873437ea23b079087f15d2", kill_on_drop: false }` [INFO] [stderr] Compiling glob v0.3.3 [INFO] [stderr] Compiling serde_json v1.0.145 [INFO] [stderr] Compiling mmap-vec v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 2.64s [INFO] running `Command { std: "docker" "inspect" "db6d89b617770bbf1aa09e19ad1afb9c23ca4a2ac5873437ea23b079087f15d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db6d89b617770bbf1aa09e19ad1afb9c23ca4a2ac5873437ea23b079087f15d2", kill_on_drop: false }` [INFO] [stdout] db6d89b617770bbf1aa09e19ad1afb9c23ca4a2ac5873437ea23b079087f15d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 9b333a3fd81b3160ae15e39b8380b1b01e91cad253a834fe9c33da55a2cc445e [INFO] running `Command { std: "docker" "start" "-a" "9b333a3fd81b3160ae15e39b8380b1b01e91cad253a834fe9c33da55a2cc445e", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] [stdout] [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mmap_vec-67b6a0407a2d11f5) [INFO] [stdout] running 1 test [INFO] [stderr] Doc-tests mmap_vec [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] [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' (139) 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: 0x5cb84f923da2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5cb84f923da2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5cb84f923da2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5cb84f923da2 - ::fmt::hde21067283f7e82e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5cb84f93298f - core::fmt::rt::Argument::fmt::he65307037dca33c6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5cb84f93298f - core::fmt::write::h24186904251c31cb [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5cb84f902563 - std::io::default_write_fmt::hdc5d19b6df666f61 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5cb84f902563 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5cb84f907a52 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5cb84f90927c - std::panicking::default_hook::{{closure}}::h80a26d916c49679b [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5cb84f9090d6 - std::panicking::default_hook::he2e9efee79b3dce9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5cb84f909855 - std::panicking::panic_with_hook::hf5648b7cec6bc73e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5cb84f9096ea - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5cb84f907b89 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5cb84f8f715d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5cb84f935d80 - core::panicking::panic_fmt::hb5d6b83773432920 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:80:14 [INFO] [stdout] 16: 0x5cb84f935586 - core::result::unwrap_failed::h427ee4a8bb06d8af [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/result.rs:1862:5 [INFO] [stdout] 17: 0x5cb84f8f4caa - rust_out::main::_doctest_main_src_segment_rs_168_0::h611f6ca2b96fc0bf [INFO] [stdout] 18: 0x5cb84f8f4c26 - rust_out::main::hbdf05be24bd65ee6 [INFO] [stdout] 19: 0x5cb84f8f3743 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e [INFO] [stdout] 20: 0x5cb84f8f3536 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a [INFO] [stdout] 21: 0x5cb84f8f3519 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95 [INFO] [stdout] 22: 0x5cb84f903970 - core::ops::function::impls:: for &F>::call_once::h8434f550918e723f [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 23: 0x5cb84f903970 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 24: 0x5cb84f903970 - std::panicking::catch_unwind::hf345702047129f6d [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 25: 0x5cb84f903970 - std::panic::catch_unwind::h42f92c278294a3a0 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 26: 0x5cb84f903970 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24 [INFO] [stdout] 27: 0x5cb84f903970 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 28: 0x5cb84f903970 - std::panicking::catch_unwind::hbfda5503aab4db1e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 29: 0x5cb84f903970 - std::panic::catch_unwind::h1a1ed11560d244f4 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 30: 0x5cb84f903970 - std::rt::lang_start_internal::h1f713c0146d469ad [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5 [INFO] [stdout] 31: 0x5cb84f8f3501 - std::rt::lang_start::h25a068bab729a087 [INFO] [stdout] 32: 0x5cb84f8f5295 - main [INFO] [stdout] 33: 0x701bd27581ca - [INFO] [stdout] 34: 0x701bd275828b - __libc_start_main [INFO] [stdout] 35: 0x5cb84f8f3245 - _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' (106) 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: 0x5ac02e5e27c2 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5ac02e5e27c2 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5ac02e5e27c2 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5ac02e5e27c2 - ::fmt::hde21067283f7e82e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5ac02e5f172f - core::fmt::rt::Argument::fmt::he65307037dca33c6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5ac02e5f172f - core::fmt::write::h24186904251c31cb [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5ac02e5c0f93 - std::io::default_write_fmt::hdc5d19b6df666f61 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5ac02e5c0f93 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5ac02e5c6252 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5ac02e5c7d5c - std::panicking::default_hook::{{closure}}::h80a26d916c49679b [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5ac02e5c7bb6 - std::panicking::default_hook::he2e9efee79b3dce9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5ac02e5c8335 - std::panicking::panic_with_hook::hf5648b7cec6bc73e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5ac02e5c8196 - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:700:13 [INFO] [stdout] 13: 0x5ac02e5c6389 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5ac02e5b565d - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5ac02e5f473d - core::panicking::panic_nounwind_fmt::runtime::hd682c7f4ebed7044 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:122:22 [INFO] [stdout] 16: 0x5ac02e5f473d - core::panicking::panic_nounwind_fmt::he05c47de4e511442 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/intrinsics/mod.rs:2439:9 [INFO] [stdout] 17: 0x5ac02e5a96f2 - core::slice::raw::from_raw_parts::precondition_check::h4232cc71642d9e3c [INFO] [stdout] 18: 0x5ac02e5a94cf - core::slice::raw::from_raw_parts::h63ddedeb1703a4c0 [INFO] [stdout] 19: 0x5ac02e5a9df0 - mmap_vec::MmapVec::push::hcd3b53e0285e84ce [INFO] [stdout] 20: 0x5ac02e5aad92 - rust_out::main::_doctest_main_src_lib_rs_207_0::heec106a4afb667b7 [INFO] [stdout] 21: 0x5ac02e5aac36 - rust_out::main::hbdf05be24bd65ee6 [INFO] [stdout] 22: 0x5ac02e5a8da3 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e [INFO] [stdout] 23: 0x5ac02e5a8806 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a [INFO] [stdout] 24: 0x5ac02e5a87e9 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95 [INFO] [stdout] 25: 0x5ac02e5c20b0 - core::ops::function::impls:: for &F>::call_once::h8434f550918e723f [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 26: 0x5ac02e5c20b0 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5ac02e5c20b0 - std::panicking::catch_unwind::hf345702047129f6d [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5ac02e5c20b0 - std::panic::catch_unwind::h42f92c278294a3a0 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5ac02e5c20b0 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x5ac02e5c20b0 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x5ac02e5c20b0 - std::panicking::catch_unwind::hbfda5503aab4db1e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x5ac02e5c20b0 - std::panic::catch_unwind::h1a1ed11560d244f4 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x5ac02e5c20b0 - std::rt::lang_start_internal::h1f713c0146d469ad [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x5ac02e5a87d1 - std::rt::lang_start::h25a068bab729a087 [INFO] [stdout] 35: 0x5ac02e5ab365 - main [INFO] [stdout] 36: 0x7408fe17b1ca - [INFO] [stdout] 37: 0x7408fe17b28b - __libc_start_main [INFO] [stdout] 38: 0x5ac02e5a8505 - _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' (101) 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: 0x5a67ea215d02 - std::backtrace_rs::backtrace::libunwind::trace::ha50a1f28c7a10cf8 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5a67ea215d02 - std::backtrace_rs::backtrace::trace_unsynchronized::h34f8c4ec82a320bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5a67ea215d02 - std::sys::backtrace::_print_fmt::h2d23e84e13d343bc [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5a67ea215d02 - ::fmt::hde21067283f7e82e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5a67ea224cdf - core::fmt::rt::Argument::fmt::he65307037dca33c6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5a67ea224cdf - core::fmt::write::h24186904251c31cb [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/fmt/mod.rs:1469:25 [INFO] [stdout] 6: 0x5a67ea1f4123 - std::io::default_write_fmt::hdc5d19b6df666f61 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5a67ea1f4123 - std::io::Write::write_fmt::h3ab9f1f4d8d19b72 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5a67ea1f96d2 - std::sys::backtrace::BacktraceLock::print::he038489aba5894a6 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5a67ea1fb1dc - std::panicking::default_hook::{{closure}}::h80a26d916c49679b [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5a67ea1fb036 - std::panicking::default_hook::he2e9efee79b3dce9 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5a67ea1fb7b5 - std::panicking::panic_with_hook::hf5648b7cec6bc73e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5a67ea1fb616 - std::panicking::panic_handler::{{closure}}::h1b2ed3864ba94359 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:700:13 [INFO] [stdout] 13: 0x5a67ea1f9809 - std::sys::backtrace::__rust_end_short_backtrace::hd0186b2b27f5aaa7 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5a67ea1e87ed - __rustc[f7dae8b92efe1d7a]::rust_begin_unwind [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5a67ea227f8d - core::panicking::panic_nounwind_fmt::runtime::hd682c7f4ebed7044 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/panicking.rs:122:22 [INFO] [stdout] 16: 0x5a67ea227f8d - core::panicking::panic_nounwind_fmt::he05c47de4e511442 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/intrinsics/mod.rs:2439:9 [INFO] [stdout] 17: 0x5a67ea1dc942 - core::slice::raw::from_raw_parts::precondition_check::h4232cc71642d9e3c [INFO] [stdout] 18: 0x5a67ea1dc721 - core::slice::raw::from_raw_parts::h766614f5bb5cdd3c [INFO] [stdout] 19: 0x5a67ea1dd004 - mmap_vec::MmapVec::push::h41ece6dab0739be1 [INFO] [stdout] 20: 0x5a67ea1ddf2d - rust_out::main::_doctest_main_src_lib_rs_22_0::hdba979b241f3d44e [INFO] [stdout] 21: 0x5a67ea1dddb6 - rust_out::main::hbdf05be24bd65ee6 [INFO] [stdout] 22: 0x5a67ea1dc3d3 - core::ops::function::FnOnce::call_once::h1e8c751e4a62d14e [INFO] [stdout] 23: 0x5a67ea1dbcc6 - std::sys::backtrace::__rust_begin_short_backtrace::h6f205b09ee900b2a [INFO] [stdout] 24: 0x5a67ea1dbca9 - std::rt::lang_start::{{closure}}::h374dad1e7f5efc95 [INFO] [stdout] 25: 0x5a67ea1f5530 - core::ops::function::impls:: for &F>::call_once::h8434f550918e723f [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 26: 0x5a67ea1f5530 - std::panicking::catch_unwind::do_call::h7f7a838f33db43be [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5a67ea1f5530 - std::panicking::catch_unwind::hf345702047129f6d [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5a67ea1f5530 - std::panic::catch_unwind::h42f92c278294a3a0 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5a67ea1f5530 - std::rt::lang_start_internal::{{closure}}::ha6834eab5ce60f45 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:175:24 [INFO] [stdout] 30: 0x5a67ea1f5530 - std::panicking::catch_unwind::do_call::hf4afda32c60c9e55 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:590:40 [INFO] [stdout] 31: 0x5a67ea1f5530 - std::panicking::catch_unwind::hbfda5503aab4db1e [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panicking.rs:553:19 [INFO] [stdout] 32: 0x5a67ea1f5530 - std::panic::catch_unwind::h1a1ed11560d244f4 [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/panic.rs:359:14 [INFO] [stdout] 33: 0x5a67ea1f5530 - std::rt::lang_start_internal::h1f713c0146d469ad [INFO] [stdout] at /rustc/c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38/library/std/src/rt.rs:171:5 [INFO] [stdout] 34: 0x5a67ea1dbc91 - std::rt::lang_start::h25a068bab729a087 [INFO] [stdout] 35: 0x5a67ea1de4f5 - main [INFO] [stdout] 36: 0x7490663721ca - [INFO] [stdout] 37: 0x74906637228b - __libc_start_main [INFO] [stdout] 38: 0x5a67ea1db9c5 - _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 0.81s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "9b333a3fd81b3160ae15e39b8380b1b01e91cad253a834fe9c33da55a2cc445e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9b333a3fd81b3160ae15e39b8380b1b01e91cad253a834fe9c33da55a2cc445e", kill_on_drop: false }` [INFO] [stdout] 9b333a3fd81b3160ae15e39b8380b1b01e91cad253a834fe9c33da55a2cc445e