[INFO] updating cached repository https://github.com/philmein23/rust-grokking-algorith [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] 530456dc496bdefe58bd1260102ea356a60cae92 [INFO] testing philmein23/rust-grokking-algorith against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Frust-grokking-algorith" "/workspace/builds/worker-6/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/philmein23/rust-grokking-algorith 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/philmein23/rust-grokking-algorith [INFO] finished tweaking git repo https://github.com/philmein23/rust-grokking-algorith [INFO] tweaked toml for git repo https://github.com/philmein23/rust-grokking-algorith written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/philmein23/rust-grokking-algorith 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dd99cb2800abfd7381dccd699b9ad630ae2def31e80c5e6c34bd19f598a932e8 [INFO] running `"docker" "start" "-a" "dd99cb2800abfd7381dccd699b9ad630ae2def31e80c5e6c34bd19f598a932e8"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling grokking-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `binary_search::binary_search` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use binary_search::binary_search; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `find_largest`, `find_length`, `sum` [INFO] [stderr] --> src/main.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | use recursion::{find_largest, find_length, sum}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `selection_sort::selection_sort` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use selection_sort::selection_sort; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let list = vec![1, 2, 3, 4, 5, 60, 100]; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list_two` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut list_two = vec![30, 5, 10, 2, 100]; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_two` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut list_two = vec![30, 5, 10, 2, 100]; [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: `binary_search` [INFO] [stderr] --> src/binary_search/mod.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn binary_search(list: &Vec, low: usize, high: usize, item: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_lowest_node_cost` [INFO] [stderr] --> src/djikstras_algorithm/mod.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sum` [INFO] [stderr] --> src/recursion/mod.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn sum(list: &mut Vec) -> u32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_length` [INFO] [stderr] --> src/recursion/mod.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn find_length(list: &mut Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_largest` [INFO] [stderr] --> src/recursion/mod.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn find_largest(list: &Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_smallest_value` [INFO] [stderr] --> src/selection_sort/mod.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn find_smallest_value(list: &Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `selection_sort` [INFO] [stderr] --> src/selection_sort/mod.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn selection_sort(list: &mut Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.22s [INFO] running `"docker" "inspect" "dd99cb2800abfd7381dccd699b9ad630ae2def31e80c5e6c34bd19f598a932e8"` [INFO] running `"docker" "rm" "-f" "dd99cb2800abfd7381dccd699b9ad630ae2def31e80c5e6c34bd19f598a932e8"` [INFO] [stdout] dd99cb2800abfd7381dccd699b9ad630ae2def31e80c5e6c34bd19f598a932e8 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 4bd3e0eba267c352f4c971e85ab950531a148e82a5a23b26a5cc653ec736423c [INFO] running `"docker" "start" "-a" "4bd3e0eba267c352f4c971e85ab950531a148e82a5a23b26a5cc653ec736423c"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling grokking-algorithms v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `binary_search::binary_search` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use binary_search::binary_search; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `find_largest`, `find_length`, `sum` [INFO] [stderr] --> src/main.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | use recursion::{find_largest, find_length, sum}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `selection_sort::selection_sort` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use selection_sort::selection_sort; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let list = vec![1, 2, 3, 4, 5, 60, 100]; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list_two` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut list_two = vec![30, 5, 10, 2, 100]; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_two` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut list_two = vec![30, 5, 10, 2, 100]; [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: `binary_search` [INFO] [stderr] --> src/binary_search/mod.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn binary_search(list: &Vec, low: usize, high: usize, item: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_lowest_node_cost` [INFO] [stderr] --> src/djikstras_algorithm/mod.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sum` [INFO] [stderr] --> src/recursion/mod.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn sum(list: &mut Vec) -> u32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_length` [INFO] [stderr] --> src/recursion/mod.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn find_length(list: &mut Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_largest` [INFO] [stderr] --> src/recursion/mod.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn find_largest(list: &Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_smallest_value` [INFO] [stderr] --> src/selection_sort/mod.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn find_smallest_value(list: &Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `selection_sort` [INFO] [stderr] --> src/selection_sort/mod.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn selection_sort(list: &mut Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.82s [INFO] running `"docker" "inspect" "4bd3e0eba267c352f4c971e85ab950531a148e82a5a23b26a5cc653ec736423c"` [INFO] running `"docker" "rm" "-f" "4bd3e0eba267c352f4c971e85ab950531a148e82a5a23b26a5cc653ec736423c"` [INFO] [stdout] 4bd3e0eba267c352f4c971e85ab950531a148e82a5a23b26a5cc653ec736423c [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] a841d2d828fa1a9b1b1ef6f5fd2e045b22c8b33a350dac42047e6a246ae9688a [INFO] running `"docker" "start" "-a" "a841d2d828fa1a9b1b1ef6f5fd2e045b22c8b33a350dac42047e6a246ae9688a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `binary_search::binary_search` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use binary_search::binary_search; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `find_largest`, `find_length`, `sum` [INFO] [stderr] --> src/main.rs:14:17 [INFO] [stderr] | [INFO] [stderr] 14 | use recursion::{find_largest, find_length, sum}; [INFO] [stderr] | ^^^^^^^^^^^^ ^^^^^^^^^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `selection_sort::selection_sort` [INFO] [stderr] --> src/main.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | use selection_sort::selection_sort; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list` [INFO] [stderr] --> src/main.rs:18:9 [INFO] [stderr] | [INFO] [stderr] 18 | let list = vec![1, 2, 3, 4, 5, 60, 100]; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_list` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `list_two` [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut list_two = vec![30, 5, 10, 2, 100]; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_list_two` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | let mut list_two = vec![30, 5, 10, 2, 100]; [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: `binary_search` [INFO] [stderr] --> src/binary_search/mod.rs:2:8 [INFO] [stderr] | [INFO] [stderr] 2 | pub fn binary_search(list: &Vec, low: usize, high: usize, item: u32) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_lowest_node_cost` [INFO] [stderr] --> src/djikstras_algorithm/mod.rs:56:4 [INFO] [stderr] | [INFO] [stderr] 56 | fn find_lowest_node_cost<'a>(costs: HashMap<&'a str, u32>, processed: Vec<&str>) -> &'a str { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sum` [INFO] [stderr] --> src/recursion/mod.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn sum(list: &mut Vec) -> u32 { [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_length` [INFO] [stderr] --> src/recursion/mod.rs:15:8 [INFO] [stderr] | [INFO] [stderr] 15 | pub fn find_length(list: &mut Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_largest` [INFO] [stderr] --> src/recursion/mod.rs:28:8 [INFO] [stderr] | [INFO] [stderr] 28 | pub fn find_largest(list: &Vec) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `find_smallest_value` [INFO] [stderr] --> src/selection_sort/mod.rs:2:4 [INFO] [stderr] | [INFO] [stderr] 2 | fn find_smallest_value(list: &Vec) -> usize { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `selection_sort` [INFO] [stderr] --> src/selection_sort/mod.rs:17:8 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn selection_sort(list: &mut Vec) -> Vec { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/grokking_algorithms-fb5320db4da53bee [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" "a841d2d828fa1a9b1b1ef6f5fd2e045b22c8b33a350dac42047e6a246ae9688a"` [INFO] running `"docker" "rm" "-f" "a841d2d828fa1a9b1b1ef6f5fd2e045b22c8b33a350dac42047e6a246ae9688a"` [INFO] [stdout] a841d2d828fa1a9b1b1ef6f5fd2e045b22c8b33a350dac42047e6a246ae9688a