[INFO] fetching crate grass_mpi 0.1.1...
[INFO] testing grass_mpi-0.1.1 against 1.99.0-beta.8+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate grass_mpi 0.1.1 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate grass_mpi 0.1.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate grass_mpi 0.1.1
[INFO] tweaked toml for crates.io crate grass_mpi 0.1.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate grass_mpi 0.1.1 on toolchain 1.99.0-beta.8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate grass_mpi 0.1.1 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" "+1.99.0-beta.8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded build-probe-mpi v0.1.5
[INFO] [stderr]   Downloaded libffi v3.2.0
[INFO] [stderr]   Downloaded mpi-sys v0.2.3
[INFO] [stderr]   Downloaded mpi v0.8.0
[INFO] [stderr]   Downloaded mpi-derive v0.1.3
[INFO] [stderr]   Downloaded conv v0.3.3
[INFO] [stderr]   Downloaded libffi-sys v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518
[INFO] running `Command { std: "docker" "start" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling clang-sys v1.8.1
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling bindgen v0.69.5
[INFO] [stderr]    Compiling shell-words v1.1.1
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling nom v7.1.3
[INFO] [stderr]    Compiling libloading v0.8.9
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]    Compiling libffi-sys v2.3.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling build-probe-mpi v0.1.5
[INFO] [stderr]    Compiling libffi v3.2.0
[INFO] [stderr]    Compiling mpi v0.8.0
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling mpi-derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling mpi-sys v0.2.3
[INFO] [stderr]    Compiling grass_mpi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 23.20s
[INFO] running `Command { std: "docker" "inspect" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.17.0
[INFO] [stderr]    Compiling winnow v0.7.15
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling indexmap v2.14.0
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling grass_mpi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 15.01s
[INFO] running `Command { std: "docker" "inspect" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.8" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/grass_mpi-e686c5a0121f0d00)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test runtime::tests::config_digest_is_stable_and_content_sensitive ... ok
[INFO] [stdout] test runtime::tests::contiguous_role_assignment_is_deterministic ... ok
[INFO] [stdout] test runtime::tests::explicit_modes_fail_closed_on_mismatch ... ok
[INFO] [stdout] test runtime::tests::invalid_topologies_fail_before_mpi_split ... ok
[INFO] [stdout] test tests::single_process_comm_reduce_identity ... ok
[INFO] [stdout] test runtime::tests::topology_config_parses_from_toml ... ok
[INFO] [stdout] test runtime::tests::role_world_range_resolves_peer_ranks ... ok
[INFO] [stdout] test runtime::tests::auto_mode_selects_by_world_size ... ok
[INFO] [stdout] test tests::single_process_comm_rank_and_size ... ok
[INFO] [stdout] test tests::single_process_comm_set_grid ... ok
[INFO] [stderr] prterun has detected an attempt to run as root.
[INFO] [stderr] 
[INFO] [stderr] Running as root is *strongly* discouraged as any mistake (e.g., in
[INFO] [stderr] defining TMPDIR) or bug can result in catastrophic damage to the OS
[INFO] [stderr] file system, leaving your system in an unusable state.
[INFO] [stderr] 
[INFO] [stderr] We strongly suggest that you run prterun as a non-root user.
[INFO] [stderr] 
[INFO] [stderr] You can override this protection by adding the --allow-run-as-root
[INFO] [stderr] option to your command line.  However, we reiterate our strong advice
[INFO] [stderr] against doing so - please do so at your own risk.
[INFO] [stderr] --------------------------------------------------------------------------
[INFO] [stdout] test mpi_overlap_tests::batch_overlap_matches_serial_across_ranks ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- mpi_overlap_tests::batch_overlap_matches_serial_across_ranks stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'mpi_overlap_tests::batch_overlap_matches_serial_across_ranks' (1062) panicked at src/lib.rs:1000:9:
[INFO] [stdout] multi-rank overlap-equivalence run under mpirun failed: exit status: 1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x64ad753cdb81 - <<std[70759c8f55707aa4]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[df12db4294e9bfd3]::fmt::Display>::fmt
[INFO] [stdout]    1:     0x64ad753e291a - core[df12db4294e9bfd3]::fmt::write
[INFO] [stdout]    2:     0x64ad753d220c - <alloc[2182bb758b4b3781]::vec::Vec<u8> as core[df12db4294e9bfd3]::io::write::Write>::write_fmt
[INFO] [stdout]    3:     0x64ad753a9df6 - std[70759c8f55707aa4]::panicking::default_hook::{closure#0}
[INFO] [stdout]    4:     0x64ad753c6169 - std[70759c8f55707aa4]::panicking::default_hook
[INFO] [stdout]    5:     0x64ad753608f0 - test[9d35eded1c95d3be]::test_main_inner::<test[9d35eded1c95d3be]::test_main_static::{closure#0}>::{closure#0}
[INFO] [stdout]    6:     0x64ad753c6322 - std[70759c8f55707aa4]::panicking::panic_with_hook
[INFO] [stdout]    7:     0x64ad753a9ea2 - std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}
[INFO] [stdout]    8:     0x64ad753a2c29 - std[70759c8f55707aa4]::sys::backtrace::__rust_end_short_backtrace::<std[70759c8f55707aa4]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]    9:     0x64ad753aaa9d - __rustc[8fa7c3cbc660c2b3]::rust_begin_unwind
[INFO] [stdout]   10:     0x64ad753e304c - core[df12db4294e9bfd3]::panicking::panic_fmt
[INFO] [stdout]   11:     0x64ad7531ee92 - <grass_mpi[71153de2fea7761c]::mpi_overlap_tests::batch_overlap_matches_serial_across_ranks::{closure#0} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]   12:     0x64ad75353bdb - test[9d35eded1c95d3be]::__rust_begin_short_backtrace::<core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>, fn() -> core[df12db4294e9bfd3]::result::Result<(), alloc[2182bb758b4b3781]::string::String>>
[INFO] [stdout]   13:     0x64ad75361245 - test[9d35eded1c95d3be]::run_test::{closure#0}
[INFO] [stdout]   14:     0x64ad7535ab04 - std[70759c8f55707aa4]::sys::backtrace::__rust_begin_short_backtrace::<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>
[INFO] [stdout]   15:     0x64ad753643a2 - <std[70759c8f55707aa4]::thread::lifecycle::spawn_unchecked<test[9d35eded1c95d3be]::run_test::{closure#1}, ()>::{closure#1} as core[df12db4294e9bfd3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]   16:     0x64ad753cd429 - <std[70759c8f55707aa4]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]   17:     0x7ac5670fcdfa - <unknown>
[INFO] [stdout]   18:     0x7ac5671903d4 - clone
[INFO] [stdout]   19:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     mpi_overlap_tests::batch_overlap_matches_serial_across_ranks
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 10 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] running `Command { std: "docker" "inspect" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518", kill_on_drop: false }`
[INFO] [stdout] 62efefeca6b3594a61d113c83257b7ddb6ab06f3d0fd5efde8553fab71d65518
