[INFO] updating cached repository purpleprotocol/graphlib [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/purpleprotocol/graphlib [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/purpleprotocol/graphlib" "work/ex/beta-1.38-1/sources/1.37.0/gh/purpleprotocol/graphlib"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/purpleprotocol/graphlib'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/purpleprotocol/graphlib" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/purpleprotocol/graphlib"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/purpleprotocol/graphlib'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 89ad5394d253e330fee61f38d133be042241a8c8 [INFO] sha for GitHub repo purpleprotocol/graphlib: 89ad5394d253e330fee61f38d133be042241a8c8 [INFO] validating manifest of purpleprotocol/graphlib on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of purpleprotocol/graphlib on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing purpleprotocol/graphlib [INFO] finished frobbing purpleprotocol/graphlib [INFO] frobbed toml for purpleprotocol/graphlib written to work/ex/beta-1.38-1/sources/1.37.0/gh/purpleprotocol/graphlib/Cargo.toml [INFO] started frobbing purpleprotocol/graphlib [INFO] finished frobbing purpleprotocol/graphlib [INFO] frobbed toml for purpleprotocol/graphlib written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/purpleprotocol/graphlib/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing purpleprotocol/graphlib against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/purpleprotocol/graphlib:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 65a16a704c32a93a7d61a4940be626d9cd9ef2a43516a7c2a2c9277a2361d6de [INFO] running `"docker" "start" "-a" "65a16a704c32a93a7d61a4940be626d9cd9ef2a43516a7c2a2c9277a2361d6de"` [INFO] [stderr] Compiling hashbrown v0.1.8 [INFO] [stderr] Compiling graphlib v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: value assigned to `next_ptr` is never read [INFO] [stderr] --> src/iterators/bfs.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | let mut next_ptr = None; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: method is never used: `edges_hm_ref` [INFO] [stderr] --> src/graph.rs:1163:5 [INFO] [stderr] | [INFO] [stderr] 1163 | fn edges_hm_ref(&self) -> Result<(&HashMap), GraphErr> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `vertex_hm_ref` [INFO] [stderr] --> src/graph.rs:1168:5 [INFO] [stderr] | [INFO] [stderr] 1168 | fn vertex_hm_ref(&self) -> &HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.82s [INFO] running `"docker" "inspect" "65a16a704c32a93a7d61a4940be626d9cd9ef2a43516a7c2a2c9277a2361d6de"` [INFO] running `"docker" "rm" "-f" "65a16a704c32a93a7d61a4940be626d9cd9ef2a43516a7c2a2c9277a2361d6de"` [INFO] [stdout] 65a16a704c32a93a7d61a4940be626d9cd9ef2a43516a7c2a2c9277a2361d6de [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/purpleprotocol/graphlib:/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" "+1.37.0" "test" "--frozen" "--no-run"` [INFO] [stdout] f877ee2fd8588397d6ec771fd0692a7923f734e904f68daa21c762c0948cd5d1 [INFO] running `"docker" "start" "-a" "f877ee2fd8588397d6ec771fd0692a7923f734e904f68daa21c762c0948cd5d1"` [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling regex-automata v0.1.8 [INFO] [stderr] Compiling rand_xoshiro v0.1.0 [INFO] [stderr] Compiling criterion-plot v0.3.1 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling tinytemplate v1.0.2 [INFO] [stderr] Compiling bstr v0.2.7 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling criterion v0.2.11 [INFO] [stderr] Compiling graphlib v0.3.1 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `f` [INFO] [stderr] --> examples/dot.rs:6:13 [INFO] [stderr] | [INFO] [stderr] 6 | let mut f = File::create("example1.dot").unwrap(); [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_f` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> examples/dot.rs:6:9 [INFO] [stderr] | [INFO] [stderr] 6 | let mut f = File::create("example1.dot").unwrap(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: value assigned to `next_ptr` is never read [INFO] [stderr] --> src/iterators/bfs.rs:53:21 [INFO] [stderr] | [INFO] [stderr] 53 | let mut next_ptr = None; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: method is never used: `edges_hm_ref` [INFO] [stderr] --> src/graph.rs:1163:5 [INFO] [stderr] | [INFO] [stderr] 1163 | fn edges_hm_ref(&self) -> Result<(&HashMap), GraphErr> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `vertex_hm_ref` [INFO] [stderr] --> src/graph.rs:1168:5 [INFO] [stderr] | [INFO] [stderr] 1168 | fn vertex_hm_ref(&self) -> &HashMap { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/iterators/dfs.rs:176:9 [INFO] [stderr] | [INFO] [stderr] 176 | graph.add_edge(&v1, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/iterators/dfs.rs:177:9 [INFO] [stderr] | [INFO] [stderr] 177 | graph.add_edge(&v3, &v2); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 32.47s [INFO] running `"docker" "inspect" "f877ee2fd8588397d6ec771fd0692a7923f734e904f68daa21c762c0948cd5d1"` [INFO] running `"docker" "rm" "-f" "f877ee2fd8588397d6ec771fd0692a7923f734e904f68daa21c762c0948cd5d1"` [INFO] [stdout] f877ee2fd8588397d6ec771fd0692a7923f734e904f68daa21c762c0948cd5d1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/purpleprotocol/graphlib:/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" "+1.37.0" "test" "--frozen"` [INFO] [stdout] f7d74c4a73a40a9ff5607effa567b53821d7a8c0f84329754985418d3942509a [INFO] running `"docker" "start" "-a" "f7d74c4a73a40a9ff5607effa567b53821d7a8c0f84329754985418d3942509a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.12s [INFO] [stderr] Running /opt/crater/target/debug/deps/graphlib-2c51668217063021 [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test graph::tests::dfs_mul_roots ... ok [INFO] [stdout] test graph::tests::dfs ... ok [INFO] [stdout] test iterators::dfs::tests::not_cyclic ... ok [INFO] [stdout] test iterators::topo::tests::is_cyclic ... ok [INFO] [stdout] test iterators::topo::tests::is_not_cyclic ... ok [INFO] [stdout] test iterators::topo::tests::is_cyclic_and_panic ... ok [INFO] [stdout] test iterators::dfs::tests::is_cyclic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests graphlib [INFO] [stdout] [INFO] [stdout] running 34 tests [INFO] [stdout] test src/graph.rs - graph::Graph::capacity (line 83) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::add_vertex (line 172) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::add_edge (line 192) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::edge_count (line 361) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::edges (line 822) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::add_edge_with_weight (line 223) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::bfs (line 945) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::fetch (line 404) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::dfs (line 913) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::fetch_mut (line 425) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::fold (line 564) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::in_neighbors (line 724) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::in_neighbors_count (line 666) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::has_edge (line 336) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::new (line 45) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::is_cyclic (line 589) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::neighbors_count (line 642) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::neighbors (line 788) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::remove (line 453) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::out_neighbors (line 758) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::out_neighbors_count (line 693) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::reserve (line 104) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::retain (line 534) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::remove_edge (line 488) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::roots (line 855) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::roots_count (line 618) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::shrink_to_fit (line 140) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::vertices (line 886) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::with_capacity (line 66) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::vertex_count (line 385) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::set_weight (line 291) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::weight (line 256) ... ok [INFO] [stdout] test src/graph.rs - graph::Graph::topo (line 996) ... ok [INFO] [stdout] test src/lib.rs - (line 14) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 34 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "f7d74c4a73a40a9ff5607effa567b53821d7a8c0f84329754985418d3942509a"` [INFO] running `"docker" "rm" "-f" "f7d74c4a73a40a9ff5607effa567b53821d7a8c0f84329754985418d3942509a"` [INFO] [stdout] f7d74c4a73a40a9ff5607effa567b53821d7a8c0f84329754985418d3942509a