[INFO] crate fast_paths 0.1.1 is already in cache
[INFO] testing fast_paths-0.1.1 against beta-2019-09-28 for beta-1.39-1
[INFO] extracting crate fast_paths 0.1.1 into work/builds/worker-2/source
[INFO] validating manifest of crates.io crate fast_paths 0.1.1 on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate fast_paths 0.1.1
[INFO] finished tweaking crates.io crate fast_paths 0.1.1
[INFO] tweaked toml for crates.io crate fast_paths 0.1.1 written to work/builds/worker-2/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 422c45f2e39b732321b4469e837b24289120253a3f6c272f69fdb2581ba7cf57
[INFO] running `"docker" "start" "-a" "422c45f2e39b732321b4469e837b24289120253a3f6c272f69fdb2581ba7cf57"`
[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/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:80
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn save_to_disk(fast_graph: &FastGraph, file_name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:65
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn load_from_disk(file_name: &str) -> Result<FastGraph, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[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 3.46s
[INFO] running `"docker" "inspect" "422c45f2e39b732321b4469e837b24289120253a3f6c272f69fdb2581ba7cf57"`
[INFO] running `"docker" "rm" "-f" "422c45f2e39b732321b4469e837b24289120253a3f6c272f69fdb2581ba7cf57"`
[INFO] [stdout] 422c45f2e39b732321b4469e837b24289120253a3f6c272f69fdb2581ba7cf57
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 90b6b70fa44f153854352a9813b800710ecb923c5afe51a4761ec6d9a0b6ef89
[INFO] running `"docker" "start" "-a" "90b6b70fa44f153854352a9813b800710ecb923c5afe51a4761ec6d9a0b6ef89"`
[INFO] [stderr]    Compiling fast_paths v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:89:80
[INFO] [stderr]    |
[INFO] [stderr] 89 | pub fn save_to_disk(fast_graph: &FastGraph, file_name: &str) -> Result<(), Box<Error>> {
[INFO] [stderr]    |                                                                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/lib.rs:95:65
[INFO] [stderr]    |
[INFO] [stderr] 95 | pub fn load_from_disk(file_name: &str) -> Result<FastGraph, Box<Error>> {
[INFO] [stderr]    |                                                                 ^^^^^ help: use `dyn`: `dyn Error`
[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 3.09s
[INFO] running `"docker" "inspect" "90b6b70fa44f153854352a9813b800710ecb923c5afe51a4761ec6d9a0b6ef89"`
[INFO] running `"docker" "rm" "-f" "90b6b70fa44f153854352a9813b800710ecb923c5afe51a4761ec6d9a0b6ef89"`
[INFO] [stdout] 90b6b70fa44f153854352a9813b800710ecb923c5afe51a4761ec6d9a0b6ef89
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] 13cd8e456a17d1ea9c08d1b0ff1ff79699251181930b232444f2b52557eeef11
[INFO] running `"docker" "start" "-a" "13cd8e456a17d1ea9c08d1b0ff1ff79699251181930b232444f2b52557eeef11"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fast_paths-63ce01759910e61a
[INFO] [stdout] 
[INFO] [stdout] running 38 tests
[INFO] [stdout] test dijkstra::tests::avoid_node ... ok
[INFO] [stdout] test dijkstra::tests::go_around ... ok
[INFO] [stdout] test dijkstra::tests::limit_weight ... ok
[INFO] [stdout] test dijkstra::tests::run_multiple ... ok
[INFO] [stdout] test dijkstra::tests::simple_path ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_linear_bwd_only ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_another ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_linear_fwd_only ... ok
[INFO] [stdout] test input_graph::tests::freeze_and_thaw ... ok
[INFO] [stdout] test input_graph::tests::num_nodes ... ok
[INFO] [stdout] test fast_graph_builder::tests::calc_path_simple ... ok
[INFO] [stdout] test floyd_warshall::tests::calc_weights ... ok
[INFO] [stdout] test input_graph::tests::skips_duplicate_edges_more ... ok
[INFO] [stdout] test input_graph::tests::skips_duplicate_edges ... 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 node_contractor::tests::calc_shortcuts_no_witness ... ok
[INFO] [stdout] test node_contractor::tests::calc_shortcuts_witness ... ok
[INFO] [stdout] test node_contractor::tests::contract_node ... ok
[INFO] [stdout] test preparation_graph::tests::add_and_remove_edges ... ok
[INFO] [stdout] test path_calculator::tests::unpack_fwd_simple ... ok
[INFO] [stdout] test path_calculator::tests::unpack_fwd_single ... ok
[INFO] [stdout] test node_contractor::tests::calc_shortcuts_witness_via_center ... ok
[INFO] [stdout] test preparation_graph::tests::add_or_remove_edge ... ok
[INFO] [stdout] test tests::run_performance_test_23rd ... ignored
[INFO] [stdout] test preparation_graph::tests::disconnect ... ok
[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 valid_flags::tests::set_valid_and_invalidate ... 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_edges ... ok
[INFO] [stdout] test input_graph::tests::panic_if_not_frozen_get_num_nodes ... ok
[INFO] [stdout] test tests::save_to_and_load_from_disk ... FAILED
[INFO] [stdout] test input_graph::tests::panic_if_frozen_add_edge ... ok
[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:1165:5
[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" "13cd8e456a17d1ea9c08d1b0ff1ff79699251181930b232444f2b52557eeef11"`
[INFO] running `"docker" "rm" "-f" "13cd8e456a17d1ea9c08d1b0ff1ff79699251181930b232444f2b52557eeef11"`
[INFO] [stdout] 13cd8e456a17d1ea9c08d1b0ff1ff79699251181930b232444f2b52557eeef11