[INFO] fetching crate memvec 0.2.0... [INFO] testing memvec-0.2.0 against 1.91.0 for beta-1.92-2 [INFO] extracting crate memvec 0.2.0 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate memvec 0.2.0 [INFO] removed 0 missing examples [INFO] finished tweaking crates.io crate memvec 0.2.0 [INFO] tweaked toml for crates.io crate memvec 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate memvec 0.2.0 on toolchain 1.91.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate memvec 0.2.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.173 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc962a2ec35782dd91faaee828537dae03d3fdc3d451275f853f890c2a2acc38 [INFO] running `Command { std: "docker" "start" "-a" "fc962a2ec35782dd91faaee828537dae03d3fdc3d451275f853f890c2a2acc38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc962a2ec35782dd91faaee828537dae03d3fdc3d451275f853f890c2a2acc38", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc962a2ec35782dd91faaee828537dae03d3fdc3d451275f853f890c2a2acc38", kill_on_drop: false }` [INFO] [stdout] fc962a2ec35782dd91faaee828537dae03d3fdc3d451275f853f890c2a2acc38 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 23cf00f3914cbbae017ebd3c1130b0b09439bf7d1e0a7345c3f83442f70bc89a [INFO] running `Command { std: "docker" "start" "-a" "23cf00f3914cbbae017ebd3c1130b0b09439bf7d1e0a7345c3f83442f70bc89a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.173 [INFO] [stderr] Compiling memmap2 v0.9.5 [INFO] [stderr] Compiling memvec v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.35s [INFO] running `Command { std: "docker" "inspect" "23cf00f3914cbbae017ebd3c1130b0b09439bf7d1e0a7345c3f83442f70bc89a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "23cf00f3914cbbae017ebd3c1130b0b09439bf7d1e0a7345c3f83442f70bc89a", kill_on_drop: false }` [INFO] [stdout] 23cf00f3914cbbae017ebd3c1130b0b09439bf7d1e0a7345c3f83442f70bc89a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6a3fb3149b815a7b3fc6f20a2232412d39d5fd8d903ae678555df03dcf43e542 [INFO] running `Command { std: "docker" "start" "-a" "6a3fb3149b815a7b3fc6f20a2232412d39d5fd8d903ae678555df03dcf43e542", kill_on_drop: false }` [INFO] [stderr] Compiling static_assertions v1.1.0 [INFO] [stderr] Compiling memvec v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.21s [INFO] running `Command { std: "docker" "inspect" "6a3fb3149b815a7b3fc6f20a2232412d39d5fd8d903ae678555df03dcf43e542", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6a3fb3149b815a7b3fc6f20a2232412d39d5fd8d903ae678555df03dcf43e542", kill_on_drop: false }` [INFO] [stdout] 6a3fb3149b815a7b3fc6f20a2232412d39d5fd8d903ae678555df03dcf43e542 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 42f308697e5d1f4f8238e7f658b5515424f85ace67043d08862e445ac1950d40 [INFO] running `Command { std: "docker" "start" "-a" "42f308697e5d1f4f8238e7f658b5515424f85ace67043d08862e445ac1950d40", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memvec-ec36adc584fe5ecc) [INFO] [stdout] [INFO] [stdout] running 5 tests [INFO] [stdout] test tests::mmap_anon_with_size ... ok [INFO] [stdout] test tests::mmap_anon ... ok [INFO] [stdout] test tests::mmap_anon_with_options ... ok [INFO] [stdout] test tests::mmap_file ... ok [INFO] [stdout] test tests::memvec_file ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests memvec [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/mmap.rs - mmap::VecFile (line 136) - compile ... ok [INFO] [stdout] test src/mmap.rs - mmap::VecFile (line 161) - compile ... ok [INFO] [stdout] test src/mmap.rs - mmap::MmapAnon::with_options (line 504) ... ok [INFO] [stdout] test src/mem_vec.rs - mem_vec::MemVec (line 25) ... ok [INFO] [stdout] test src/mmap.rs - mmap::VecFile (line 182) ... FAILED [INFO] [stdout] test src/mmap.rs - mmap::MmapAnon::with_size (line 457) ... ok [INFO] [stdout] test src/mmap.rs - mmap::MmapAnon::with_size (line 438) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/mmap.rs - mmap::VecFile (line 182) stdout ---- [INFO] [stdout] Test executable failed (exit status: 101). [INFO] [stdout] [INFO] [stdout] stderr: [INFO] [stdout] [INFO] [stdout] thread 'main' (128) panicked at src/mmap.rs:23:37: [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: 0x5d016a73af32 - std::backtrace_rs::backtrace::libunwind::trace::h62f3c6bea0fedab3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 [INFO] [stdout] 1: 0x5d016a73af32 - std::backtrace_rs::backtrace::trace_unsynchronized::hc41aaca6c0af0bde [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 [INFO] [stdout] 2: 0x5d016a73af32 - std::sys::backtrace::_print_fmt::h33ac2b97007106cc [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x5d016a73af32 - ::fmt::h4e0a3aeea0f9c085 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x5d016a749dff - core::fmt::rt::Argument::fmt::h1edd6a3e00b22f10 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x5d016a749dff - core::fmt::write::hecf68a131630c74d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/fmt/mod.rs:1468:25 [INFO] [stdout] 6: 0x5d016a717de1 - std::io::default_write_fmt::haf8355dc2afbec95 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:639:11 [INFO] [stdout] 7: 0x5d016a717de1 - std::io::Write::write_fmt::h93c9a261259c931a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/io/mod.rs:1954:13 [INFO] [stdout] 8: 0x5d016a71d792 - std::sys::backtrace::BacktraceLock::print::h75160192768e5621 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 9: 0x5d016a71f12c - std::panicking::default_hook::{{closure}}::h14d82797cfb1ddcb [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:301:27 [INFO] [stdout] 10: 0x5d016a71ef86 - std::panicking::default_hook::h63f9bf8161c5d325 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:328:9 [INFO] [stdout] 11: 0x5d016a71f7b5 - std::panicking::panic_with_hook::h3173740e06bd0752 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:834:13 [INFO] [stdout] 12: 0x5d016a71f64a - std::panicking::panic_handler::{{closure}}::hbac492c61eb56a87 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:707:13 [INFO] [stdout] 13: 0x5d016a71d8d9 - std::sys::backtrace::__rust_end_short_backtrace::haa3eac3df9535320 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/sys/backtrace.rs:174:18 [INFO] [stdout] 14: 0x5d016a70c6ad - __rustc[de0091b922c53d7e]::rust_begin_unwind [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:698:5 [INFO] [stdout] 15: 0x5d016a74d530 - core::panicking::panic_fmt::h5138da2ef87be35b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/panicking.rs:75:14 [INFO] [stdout] 16: 0x5d016a74cc46 - core::result::unwrap_failed::h5d9b16b0b732a2ac [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/result.rs:1855:5 [INFO] [stdout] 17: 0x5d016a70677b - rust_out::main::hcbdc0960c876f2af [INFO] [stdout] 18: 0x5d016a705213 - core::ops::function::FnOnce::call_once::hfb4119cacd246208 [INFO] [stdout] 19: 0x5d016a7050f6 - std::sys::backtrace::__rust_begin_short_backtrace::h410c329a888fe2f7 [INFO] [stdout] 20: 0x5d016a7050d9 - std::rt::lang_start::{{closure}}::h39fc2126d871a896 [INFO] [stdout] 21: 0x5d016a7196b0 - core::ops::function::impls:: for &F>::call_once::hc7ed5622678f5124 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/core/src/ops/function.rs:287:21 [INFO] [stdout] 22: 0x5d016a7196b0 - std::panicking::catch_unwind::do_call::hc59414a11cf2a25a [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 23: 0x5d016a7196b0 - std::panicking::catch_unwind::hff67b45e0819a036 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 24: 0x5d016a7196b0 - std::panic::catch_unwind::hec0fb0db85f7fd60 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 25: 0x5d016a7196b0 - std::rt::lang_start_internal::{{closure}}::h74bea026352620a3 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:175:24 [INFO] [stdout] 26: 0x5d016a7196b0 - std::panicking::catch_unwind::do_call::h931ef1bf7bdfcae2 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:590:40 [INFO] [stdout] 27: 0x5d016a7196b0 - std::panicking::catch_unwind::h3816830c825cbe04 [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panicking.rs:553:19 [INFO] [stdout] 28: 0x5d016a7196b0 - std::panic::catch_unwind::h408406c8f02ebb9d [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/panic.rs:359:14 [INFO] [stdout] 29: 0x5d016a7196b0 - std::rt::lang_start_internal::hce2b8b328837374b [INFO] [stdout] at /rustc/f8297e351a40c1439a467bbbb6879088047f50b3/library/std/src/rt.rs:171:5 [INFO] [stdout] 30: 0x5d016a7050c1 - std::rt::lang_start::h866de1957bb2b812 [INFO] [stdout] 31: 0x5d016a706bc5 - main [INFO] [stdout] 32: 0x7dceb7f421ca - [INFO] [stdout] 33: 0x7dceb7f4228b - __libc_start_main [INFO] [stdout] 34: 0x5d016a704d75 - _start [INFO] [stdout] 35: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/mmap.rs - mmap::VecFile (line 182) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 6 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.75s [INFO] [stdout] [INFO] [stderr] error: doctest failed, to rerun pass `--doc` [INFO] running `Command { std: "docker" "inspect" "42f308697e5d1f4f8238e7f658b5515424f85ace67043d08862e445ac1950d40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42f308697e5d1f4f8238e7f658b5515424f85ace67043d08862e445ac1950d40", kill_on_drop: false }` [INFO] [stdout] 42f308697e5d1f4f8238e7f658b5515424f85ace67043d08862e445ac1950d40