[INFO] updating cached repository https://github.com/esqu1/rusty-with-graphs [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 9443bba14c0e6d6a05dce3d4eab47e4021c63b47 [INFO] testing esqu1/rusty-with-graphs against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fesqu1%2Frusty-with-graphs" "/workspace/builds/worker-9/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/esqu1/rusty-with-graphs on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/esqu1/rusty-with-graphs [INFO] finished tweaking git repo https://github.com/esqu1/rusty-with-graphs [INFO] tweaked toml for git repo https://github.com/esqu1/rusty-with-graphs written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/esqu1/rusty-with-graphs already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4353dbdb7bfcf7931a9d67dfe557e54a09c44f7269f232bdefd1aa62a42aacd8 [INFO] running `"docker" "start" "-a" "4353dbdb7bfcf7931a9d67dfe557e54a09c44f7269f232bdefd1aa62a42aacd8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling matrix v0.22.0 [INFO] [stderr] Compiling rusty-with-graphs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/flow.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut residual_graph = new_graph.clone(); [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: function is never used: `dijkstra` [INFO] [stderr] --> src/shortest_path.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn dijkstra>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_fold` [INFO] [stderr] --> src/search.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn bfs_fold>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_vertex` [INFO] [stderr] --> src/search.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn print_vertex((_, vertex): (Option, &Vertex), _: ()) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_print` [INFO] [stderr] --> src/search.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn bfs_print>( [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_path_exists` [INFO] [stderr] --> src/search.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn bfs_path_exists>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_pred` [INFO] [stderr] --> src/search.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn add_pred<'a, T: Default + Clone>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_bfs_preds` [INFO] [stderr] --> src/search.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn build_bfs_preds>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ford_fulkerson` [INFO] [stderr] --> src/flow.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn ford_fulkerson< [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.45s [INFO] running `"docker" "inspect" "4353dbdb7bfcf7931a9d67dfe557e54a09c44f7269f232bdefd1aa62a42aacd8"` [INFO] running `"docker" "rm" "-f" "4353dbdb7bfcf7931a9d67dfe557e54a09c44f7269f232bdefd1aa62a42aacd8"` [INFO] [stdout] 4353dbdb7bfcf7931a9d67dfe557e54a09c44f7269f232bdefd1aa62a42aacd8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 127198b54db1d17d50e7a618069f0340d7e0d17e5189d70b97a25851a345b5ff [INFO] running `"docker" "start" "-a" "127198b54db1d17d50e7a618069f0340d7e0d17e5189d70b97a25851a345b5ff"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling rusty-with-graphs v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/flow.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut residual_graph = new_graph.clone(); [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: function is never used: `dijkstra` [INFO] [stderr] --> src/shortest_path.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn dijkstra>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_fold` [INFO] [stderr] --> src/search.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn bfs_fold>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_vertex` [INFO] [stderr] --> src/search.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn print_vertex((_, vertex): (Option, &Vertex), _: ()) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_print` [INFO] [stderr] --> src/search.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn bfs_print>( [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_path_exists` [INFO] [stderr] --> src/search.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn bfs_path_exists>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_pred` [INFO] [stderr] --> src/search.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn add_pred<'a, T: Default + Clone>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_bfs_preds` [INFO] [stderr] --> src/search.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn build_bfs_preds>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ford_fulkerson` [INFO] [stderr] --> src/flow.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn ford_fulkerson< [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/flow.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut residual_graph = new_graph.clone(); [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: function is never used: `dijkstra` [INFO] [stderr] --> src/shortest_path.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn dijkstra>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_path_exists` [INFO] [stderr] --> src/search.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn bfs_path_exists>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_pred` [INFO] [stderr] --> src/search.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn add_pred<'a, T: Default + Clone>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_bfs_preds` [INFO] [stderr] --> src/search.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn build_bfs_preds>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ford_fulkerson` [INFO] [stderr] --> src/flow.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn ford_fulkerson< [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.83s [INFO] running `"docker" "inspect" "127198b54db1d17d50e7a618069f0340d7e0d17e5189d70b97a25851a345b5ff"` [INFO] running `"docker" "rm" "-f" "127198b54db1d17d50e7a618069f0340d7e0d17e5189d70b97a25851a345b5ff"` [INFO] [stdout] 127198b54db1d17d50e7a618069f0340d7e0d17e5189d70b97a25851a345b5ff [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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-2020-06-03" "test" "--frozen"` [INFO] [stdout] 713000da7e33d3a8a21dfc915e4d70e9a88e79a112676a301852b6be19934722 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "713000da7e33d3a8a21dfc915e4d70e9a88e79a112676a301852b6be19934722"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/flow.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut residual_graph = new_graph.clone(); [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: variable does not need to be mutable [INFO] [stderr] --> src/flow.rs:60:9 [INFO] [stderr] | [INFO] [stderr] 60 | let mut residual_graph = new_graph.clone(); [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: function is never used: `dijkstra` [INFO] [stderr] --> src/shortest_path.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn dijkstra>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_fold` [INFO] [stderr] --> src/search.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn bfs_fold>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `dijkstra` [INFO] [stderr] --> src/shortest_path.rs:39:8 [INFO] [stderr] | [INFO] [stderr] 39 | pub fn dijkstra>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `print_vertex` [INFO] [stderr] --> src/search.rs:38:4 [INFO] [stderr] | [INFO] [stderr] 38 | fn print_vertex((_, vertex): (Option, &Vertex), _: ()) { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_path_exists` [INFO] [stderr] --> src/search.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn bfs_path_exists>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_print` [INFO] [stderr] --> src/search.rs:42:8 [INFO] [stderr] | [INFO] [stderr] 42 | pub fn bfs_print>( [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_pred` [INFO] [stderr] --> src/search.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn add_pred<'a, T: Default + Clone>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `bfs_path_exists` [INFO] [stderr] --> src/search.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn bfs_path_exists>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_bfs_preds` [INFO] [stderr] --> src/search.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn build_bfs_preds>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ford_fulkerson` [INFO] [stderr] --> src/flow.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn ford_fulkerson< [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `add_pred` [INFO] [stderr] --> src/search.rs:62:4 [INFO] [stderr] | [INFO] [stderr] 62 | fn add_pred<'a, T: Default + Clone>( [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 6 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: function is never used: `build_bfs_preds` [INFO] [stderr] --> src/search.rs:70:8 [INFO] [stderr] | [INFO] [stderr] 70 | pub fn build_bfs_preds>( [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `ford_fulkerson` [INFO] [stderr] --> src/flow.rs:7:8 [INFO] [stderr] | [INFO] [stderr] 7 | pub fn ford_fulkerson< [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 9 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/rusty_with_graphs-9696561c29ac12a7 [INFO] [stderr] Doc-tests rusty-with-graphs [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::graph_prints ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "713000da7e33d3a8a21dfc915e4d70e9a88e79a112676a301852b6be19934722"` [INFO] running `"docker" "rm" "-f" "713000da7e33d3a8a21dfc915e4d70e9a88e79a112676a301852b6be19934722"` [INFO] [stdout] 713000da7e33d3a8a21dfc915e4d70e9a88e79a112676a301852b6be19934722