[INFO] fetching crate vmap 0.6.3...
[INFO] testing vmap-0.6.3 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate vmap 0.6.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate vmap 0.6.3
[INFO] finished tweaking crates.io crate vmap 0.6.3
[INFO] tweaked toml for crates.io crate vmap 0.6.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate vmap 0.6.3 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 49c259ec95080a2690b4505714486fd4e0c4f8bc102606df2bcc2020cfc52c8f
[INFO] running `Command { std: "docker" "start" "-a" "49c259ec95080a2690b4505714486fd4e0c4f8bc102606df2bcc2020cfc52c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "49c259ec95080a2690b4505714486fd4e0c4f8bc102606df2bcc2020cfc52c8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49c259ec95080a2690b4505714486fd4e0c4f8bc102606df2bcc2020cfc52c8f", kill_on_drop: false }`
[INFO] [stdout] 49c259ec95080a2690b4505714486fd4e0c4f8bc102606df2bcc2020cfc52c8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b237191ce476865988796323823c1cf236281b8e2d35f50edd0f68304cdada
[INFO] running `Command { std: "docker" "start" "-a" "77b237191ce476865988796323823c1cf236281b8e2d35f50edd0f68304cdada", kill_on_drop: false }`
[INFO] [stderr]    Compiling system_error v0.2.0
[INFO] [stderr]    Compiling vmap v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "77b237191ce476865988796323823c1cf236281b8e2d35f50edd0f68304cdada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b237191ce476865988796323823c1cf236281b8e2d35f50edd0f68304cdada", kill_on_drop: false }`
[INFO] [stdout] 77b237191ce476865988796323823c1cf236281b8e2d35f50edd0f68304cdada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb0ac1ff6e426bd7f542e6f3c33335f9fcb06894d53b967e13f8fdfc2ad63c3e
[INFO] running `Command { std: "docker" "start" "-a" "bb0ac1ff6e426bd7f542e6f3c33335f9fcb06894d53b967e13f8fdfc2ad63c3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling vmap v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "bb0ac1ff6e426bd7f542e6f3c33335f9fcb06894d53b967e13f8fdfc2ad63c3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb0ac1ff6e426bd7f542e6f3c33335f9fcb06894d53b967e13f8fdfc2ad63c3e", kill_on_drop: false }`
[INFO] [stdout] bb0ac1ff6e426bd7f542e6f3c33335f9fcb06894d53b967e13f8fdfc2ad63c3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 80ce19aaa23a9a20a8badbb77885f3877519e8d4d6f06788795cfed9d501e4cb
[INFO] running `Command { std: "docker" "start" "-a" "80ce19aaa23a9a20a8badbb77885f3877519e8d4d6f06788795cfed9d501e4cb", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/vmap-7bd7260b0f7c0c57)
[INFO] [stdout] running 17 tests
[INFO] [stdout] test io::tests::overwrite ... ok
[INFO] [stdout] test io::tests::wrap ... ok
[INFO] [stdout] test tests::alloc_exact ... ok
[INFO] [stdout] test tests::alloc_offset ... ok
[INFO] [stdout] test tests::allocation_size ... ok
[INFO] [stdout] test tests::alloc_min ... ok
[INFO] [stdout] test tests::read_end ... ok
[INFO] [stdout] test tests::read_exact ... ok
[INFO] [stdout] test tests::copy ... ok
[INFO] [stdout] test tests::unaligned ... ok
[INFO] [stdout] test tests::read_max ... ok
[INFO] [stdout] test tests::read_min ... ok
[INFO] [stdout] test tests::write_into_mut ... ok
[INFO] [stdout] test tests::truncate ... ok
[INFO] [stdout] test tests::volatile ... ok
[INFO] [stdout] test io::tests::size ... ok
[INFO] [stderr]    Doc-tests vmap
[INFO] [stdout] test io::tests::ring_sizes_vs_page_size ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.18s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 53 tests
[INFO] [stdout] test src/error.rs - error::Input::as_str (line 427) ... ok
[INFO] [stdout] test src/error.rs - error::Operation::as_str (line 364) ... ok
[INFO] [stdout] test src/error.rs - error::Error::kind (line 199) ... ok
[INFO] [stdout] test src/error.rs - error::Error::system (line 109) ... ok
[INFO] [stdout] test src/error.rs - error::Error::io (line 65) ... ok
[INFO] [stdout] test src/error.rs - error::Error::last_os_error (line 155) ... ok
[INFO] [stdout] test src/error.rs - error::Error::kernel (line 132) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter<W>::into_parts (line 317) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter (line 201) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufWriter<W>::into_inner (line 265) ... ok
[INFO] [stdout] test src/error.rs - error::Error::input (line 87) ... ok
[INFO] [stdout] test src/error.rs - error::Error::operation (line 224) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufReader<R>::set_lowat (line 64) ... ok
[INFO] [stdout] test src/error.rs - error::Error (line 36) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::InfiniteRing (line 191) ... ok
[INFO] [stdout] test src/io/buffer.rs - io::buffer::BufReader (line 17) ... ok
[INFO] [stdout] test src/lib.rs - Size::count (line 429) ... ok
[INFO] [stdout] test src/error.rs - error::Error::raw_os_error (line 171) ... ok
[INFO] [stdout] test src/lib.rs - Size::round (line 353) ... ok
[INFO] [stdout] test src/lib.rs - (line 34) ... ok
[INFO] [stdout] test src/lib.rs - Size::size (line 411) ... ok
[INFO] [stdout] test src/lib.rs - (line 60) ... ok
[INFO] [stdout] test src/lib.rs - Size::offset (line 393) ... ok
[INFO] [stdout] test src/lib.rs - Size::truncate (line 373) ... ok
[INFO] [stdout] test src/lib.rs - Size (line 289) ... ok
[INFO] [stdout] test src/map.rs - map::Map (line 19) ... ok
[INFO] [stdout] test src/lib.rs - allocation_size (line 256) ... ok
[INFO] [stdout] test src/lib.rs - page_size (line 235) ... ok
[INFO] [stdout] test src/lib.rs - (line 96) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::alloc (line 1221) ... ok
[INFO] [stdout] test src/lib.rs - Size::with_size (line 337) ... ok
[INFO] [stdout] test src/io/ring.rs - io::ring::Ring (line 23) ... ok
[INFO] [stdout] test src/map.rs - map::Map::into_map_mut (line 78) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::new (line 245) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::create (line 602) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::into_map (line 267) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::create_new (line 645) ... ok
[INFO] [stdout] test src/map.rs - map::Map::with_options (line 49) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::len (line 849) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::len (line 773) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::map (line 1120) ... ok
[INFO] [stdout] test src/map.rs - map::MapMut::with_options (line 212) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::map_if (line 1156) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::copy (line 571) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::resize (line 945) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::open (line 1046) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::len (line 808) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::resize (line 917) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::resize (line 985) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::offset (line 723) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::write (line 539) ... FAILED
[INFO] [stdout] test src/map.rs - map::Options<T>::open_if (line 1084) ... ok
[INFO] [stdout] test src/map.rs - map::Options<T>::truncate (line 681) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/map.rs - map::Options<T>::write (line 539) stdout ----
[INFO] [stdout] Test executable failed (exit status: 1).
[INFO] [stdout] 
[INFO] [stdout] stderr:
[INFO] [stdout] Error: Error { op: MapFile, kind: ReadOnlyFilesystem, io: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } }
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/map.rs - map::Options<T>::write (line 539)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 52 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 3.11s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "80ce19aaa23a9a20a8badbb77885f3877519e8d4d6f06788795cfed9d501e4cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80ce19aaa23a9a20a8badbb77885f3877519e8d4d6f06788795cfed9d501e4cb", kill_on_drop: false }`
[INFO] [stdout] 80ce19aaa23a9a20a8badbb77885f3877519e8d4d6f06788795cfed9d501e4cb