[INFO] crate fast_paths 0.1.1 is already in cache [INFO] extracting crate fast_paths 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/fast_paths/0.1.1 [INFO] extracting crate fast_paths 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fast_paths/0.1.1 [INFO] validating manifest of fast_paths-0.1.1 on toolchain 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of fast_paths-0.1.1 on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing fast_paths-0.1.1 [INFO] finished frobbing fast_paths-0.1.1 [INFO] frobbed toml for fast_paths-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/fast_paths/0.1.1/Cargo.toml [INFO] started frobbing fast_paths-0.1.1 [INFO] finished frobbing fast_paths-0.1.1 [INFO] frobbed toml for fast_paths-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/fast_paths/0.1.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing fast_paths-0.1.1 against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fast_paths/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 1bc5f3b962cb9546baed661a94e64324fe9ba9ca59b6ffb4d22447cc9db0af43 [INFO] running `"docker" "start" "-a" "1bc5f3b962cb9546baed661a94e64324fe9ba9ca59b6ffb4d22447cc9db0af43"` [INFO] [stderr] Compiling indexmap v0.4.1 [INFO] [stderr] Compiling stopwatch v0.0.7 [INFO] [stderr] Compiling priority-queue v0.6.0 [INFO] [stderr] Compiling fast_paths v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `FloydWarshall` [INFO] [stderr] --> src/floyd_warshall.rs:25:1 [INFO] [stderr] | [INFO] [stderr] 25 | pub struct FloydWarshall { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/floyd_warshall.rs:31:5 [INFO] [stderr] | [INFO] [stderr] 31 | pub fn new(num_nodes: usize) -> Self { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `prepare` [INFO] [stderr] --> src/floyd_warshall.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub fn prepare(&mut self, input_graph: &InputGraph) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `calc_weight` [INFO] [stderr] --> src/floyd_warshall.rs:68:5 [INFO] [stderr] | [INFO] [stderr] 68 | pub fn calc_weight(&self, source: NodeId, target: NodeId) -> Weight { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/preparation_graph.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | node >= 0 && node < self.num_nodes, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3.52s [INFO] running `"docker" "inspect" "1bc5f3b962cb9546baed661a94e64324fe9ba9ca59b6ffb4d22447cc9db0af43"` [INFO] running `"docker" "rm" "-f" "1bc5f3b962cb9546baed661a94e64324fe9ba9ca59b6ffb4d22447cc9db0af43"` [INFO] [stdout] 1bc5f3b962cb9546baed661a94e64324fe9ba9ca59b6ffb4d22447cc9db0af43 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fast_paths/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] bc7735fd88f3b205dc270f15e1fdba06ab11c2710516e898c5cc1fb99020e5da [INFO] running `"docker" "start" "-a" "bc7735fd88f3b205dc270f15e1fdba06ab11c2710516e898c5cc1fb99020e5da"` [INFO] [stderr] Compiling fast_paths v0.1.1 (/opt/crater/workdir) [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/preparation_graph.rs:149:13 [INFO] [stderr] | [INFO] [stderr] 149 | node >= 0 && node < self.num_nodes, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_comparisons)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.80s [INFO] running `"docker" "inspect" "bc7735fd88f3b205dc270f15e1fdba06ab11c2710516e898c5cc1fb99020e5da"` [INFO] running `"docker" "rm" "-f" "bc7735fd88f3b205dc270f15e1fdba06ab11c2710516e898c5cc1fb99020e5da"` [INFO] [stdout] bc7735fd88f3b205dc270f15e1fdba06ab11c2710516e898c5cc1fb99020e5da [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/fast_paths/0.1.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.36.0" "test" "--frozen"` [INFO] [stdout] b5d3907483fc7644444ada7ab4fe59d2a7318af53506dcc7f098c8c3b30cede9 [INFO] running `"docker" "start" "-a" "b5d3907483fc7644444ada7ab4fe59d2a7318af53506dcc7f098c8c3b30cede9"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/fast_paths-90e924f04a831b74 [INFO] [stdout] [INFO] [stdout] running 38 tests [INFO] [stdout] test dijkstra::tests::go_around ... ok [INFO] [stdout] test dijkstra::tests::avoid_node ... ok [INFO] [stdout] test fast_graph_builder::tests::calc_path_another ... ok [INFO] [stdout] test fast_graph_builder::tests::calc_path_linear_bwd_only ... ok [INFO] [stdout] test fast_graph_builder::tests::calc_path_linear_fwd_only ... ok [INFO] [stdout] test fast_graph_builder::tests::calc_path_simple ... ok [INFO] [stdout] test input_graph::tests::num_nodes ... ok [INFO] [stdout] test input_graph::tests::freeze_and_thaw ... ok [INFO] [stdout] test floyd_warshall::tests::calc_weights ... ok [INFO] [stdout] test input_graph::tests::skips_duplicate_edges ... ok [INFO] [stdout] test dijkstra::tests::simple_path ... ok [INFO] [stdout] test dijkstra::tests::run_multiple ... ok [INFO] [stdout] test input_graph::tests::skips_loops ... ok [INFO] [stdout] test input_graph::tests::skips_zero_weight_edges ... ok [INFO] [stdout] test node_contractor::tests::calc_priority ... ok [INFO] [stdout] test input_graph::tests::skips_duplicate_edges_more ... ok [INFO] [stdout] test node_contractor::tests::calc_shortcuts_no_witness ... ok [INFO] [stdout] test node_contractor::tests::contract_node ... ok [INFO] [stdout] test path_calculator::tests::unpack_fwd_simple ... ok [INFO] [stdout] test path_calculator::tests::unpack_fwd_single ... ok [INFO] [stdout] test preparation_graph::tests::add_and_remove_edges ... ok [INFO] [stdout] test preparation_graph::tests::add_or_remove_edge ... ok [INFO] [stdout] test preparation_graph::tests::disconnect ... ok [INFO] [stdout] test node_contractor::tests::calc_shortcuts_witness_via_center ... ok [INFO] [stdout] test tests::run_performance_test_23rd ... ignored [INFO] [stdout] test tests::run_performance_test_ballard ... ignored [INFO] [stdout] test tests::run_performance_test_dist ... ignored [INFO] [stdout] test tests::run_performance_test_dist_fixed_ordering ... ignored [INFO] [stdout] test tests::run_performance_test_time ... ignored [INFO] [stdout] test dijkstra::tests::limit_weight ... ok [INFO] [stdout] test valid_flags::tests::set_valid_and_invalidate ... ok [INFO] [stdout] test node_contractor::tests::calc_shortcuts_witness ... ok [INFO] [stdout] test input_graph::tests::panic_if_frozen_add_edge ... ok [INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_num_edges ... ok [INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_num_nodes ... ok [INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_edges ... ok [INFO] [stdout] test tests::save_to_and_load_from_disk ... FAILED [INFO] [stdout] test tests::routing_on_random_graph ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- tests::save_to_and_load_from_disk stdout ---- [INFO] [stdout] thread 'tests::save_to_and_load_from_disk' panicked at 'writing to disk failed: Os { code: 30, kind: Other, message: "Read-only file system" }', src/libcore/result.rs:999:5 [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x559971567f63 - std::sys::unix::backtrace::tracing::imp::unwind_backtrace::h6485381528590a55 [INFO] [stdout] at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39 [INFO] [stdout] 1: 0x55997156384b - std::sys_common::backtrace::_print::h49a82ae9552e35c7 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:71 [INFO] [stdout] 2: 0x559971566c56 - std::panicking::default_hook::{{closure}}::he20974adbefcc046 [INFO] [stdout] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stdout] at src/libstd/panicking.rs:197 [INFO] [stdout] 3: 0x55997156697e - std::panicking::default_hook::he4af6af4ac7fef7b [INFO] [stdout] at src/libstd/panicking.rs:208 [INFO] [stdout] 4: 0x55997156735f - std::panicking::rust_panic_with_hook::h057ff03eb4c8000f [INFO] [stdout] at src/libstd/panicking.rs:474 [INFO] [stdout] 5: 0x559971566ee1 - std::panicking::continue_panic_fmt::ha6d6ae144369025b [INFO] [stdout] at src/libstd/panicking.rs:381 [INFO] [stdout] 6: 0x559971566dc5 - rust_begin_unwind [INFO] [stdout] at src/libstd/panicking.rs:308 [INFO] [stdout] 7: 0x55997157c6fc - core::panicking::panic_fmt::hc4f83bfed80aeabd [INFO] [stdout] at src/libcore/panicking.rs:85 [INFO] [stdout] 8: 0x5599714e49f4 - core::result::unwrap_failed::hbf6bef531ffd8f60 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/macros.rs:18 [INFO] [stdout] 9: 0x5599714e7b49 - core::result::Result::expect::h664b87924aaecdc0 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/result.rs:827 [INFO] [stdout] 10: 0x5599714a27c6 - fast_paths::tests::save_to_and_load_from_disk::h90edf0fc6276b80d [INFO] [stdout] at src/lib.rs:190 [INFO] [stdout] 11: 0x5599714a2699 - fast_paths::tests::save_to_and_load_from_disk::{{closure}}::hfa3abbdaa4522527 [INFO] [stdout] at src/lib.rs:183 [INFO] [stdout] 12: 0x5599714cb3dd - core::ops::function::FnOnce::call_once::hc13a562da722a48e [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 13: 0x5599714f901e - as core::ops::function::FnOnce>::call_once::h6b004fa8f4fc1608 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 14: 0x55997156a1c9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 15: 0x559971513917 - test::run_test::run_test_inner::{{closure}}::h9a4d23c41d058d37 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at src/libtest/lib.rs:1468 [INFO] [stdout] 16: 0x5599714ee334 - std::sys_common::backtrace::__rust_begin_short_backtrace::h3765d76361a33ff7 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/sys_common/backtrace.rs:136 [INFO] [stdout] 17: 0x5599714f23e4 - std::panicking::try::do_call::h6f86e980b52f74d5 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:470 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:315 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:293 [INFO] [stdout] 18: 0x55997156a1c9 - __rust_maybe_catch_panic [INFO] [stdout] at src/libpanic_unwind/lib.rs:85 [INFO] [stdout] 19: 0x5599714f29f1 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h760b8a2b155f54c3 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panicking.rs:272 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/panic.rs:394 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libstd/thread/mod.rs:469 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/libcore/ops/function.rs:231 [INFO] [stdout] 20: 0x55997155b2be - as core::ops::function::FnOnce>::call_once::h805c3cc89d534c05 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] 21: 0x5599715698af - std::sys::unix::thread::Thread::new::thread_start::h6f10b78f26c98dc6 [INFO] [stdout] at /rustc/a53f9df32fbb0b5f4382caaad8f1a46f36ea887c/src/liballoc/boxed.rs:704 [INFO] [stdout] at src/libstd/sys_common/thread.rs:13 [INFO] [stdout] at src/libstd/sys/unix/thread.rs:79 [INFO] [stdout] 22: 0x7f9cbe1bd4a3 - start_thread [INFO] [stdout] 23: 0x7f9cbdce8d0e - __clone [INFO] [stdout] 24: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] tests::save_to_and_load_from_disk [INFO] [stdout] [INFO] [stdout] test result: FAILED. 32 passed; 1 failed; 5 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--lib' [INFO] running `"docker" "inspect" "b5d3907483fc7644444ada7ab4fe59d2a7318af53506dcc7f098c8c3b30cede9"` [INFO] running `"docker" "rm" "-f" "b5d3907483fc7644444ada7ab4fe59d2a7318af53506dcc7f098c8c3b30cede9"` [INFO] [stdout] b5d3907483fc7644444ada7ab4fe59d2a7318af53506dcc7f098c8c3b30cede9