[INFO] cloning repository https://github.com/jakyle/rust-algos [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakyle/rust-algos" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakyle%2Frust-algos", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakyle%2Frust-algos'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7865320dda33ff4b52d9e4472ecdcffc002023bf [INFO] testing jakyle/rust-algos against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakyle%2Frust-algos" "/workspace/builds/worker-38/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakyle/rust-algos on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakyle/rust-algos [INFO] finished tweaking git repo https://github.com/jakyle/rust-algos [INFO] tweaked toml for git repo https://github.com/jakyle/rust-algos written to /workspace/builds/worker-38/source/Cargo.toml [INFO] crate git repo https://github.com/jakyle/rust-algos already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4d3591c9a63796db9669431f7f4ab475336fcfa7bc35eeb0ddcb52adcbf87906 [INFO] running `Command { std: "docker" "start" "-a" "4d3591c9a63796db9669431f7f4ab475336fcfa7bc35eeb0ddcb52adcbf87906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4d3591c9a63796db9669431f7f4ab475336fcfa7bc35eeb0ddcb52adcbf87906", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d3591c9a63796db9669431f7f4ab475336fcfa7bc35eeb0ddcb52adcbf87906", kill_on_drop: false }` [INFO] [stdout] 4d3591c9a63796db9669431f7f4ab475336fcfa7bc35eeb0ddcb52adcbf87906 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0adacf0955b1b5bafab730f48f52c9f952068aa0a3ab6ef1f87e7768a292b44b [INFO] running `Command { std: "docker" "start" "-a" "0adacf0955b1b5bafab730f48f52c9f952068aa0a3ab6ef1f87e7768a292b44b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling algos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `is_braces_balanced` [INFO] [stdout] --> src/balanced_braces.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn is_braces_balanced(braces: &str) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `max_number_of_balloons` [INFO] [stdout] --> src/number_of_baloons.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn max_number_of_balloons(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `two_sum` [INFO] [stdout] --> src/two_sum.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn two_sum(nums: Vec, target: i32) -> Vec { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `reverse` [INFO] [stdout] --> src/reverse_integer.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | pub fn reverse(x: i32) -> i32 { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_numbers` [INFO] [stdout] --> src/find_numbers_with_even_digits.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_numbers(x: Vec) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `find_kth_largest` [INFO] [stdout] --> src/find_kth_largest.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn find_kth_largest(nums: Vec, k: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `top_k_frequent` [INFO] [stdout] --> src/top_k_frequent_elements.rs:3:8 [INFO] [stdout] | [INFO] [stdout] 3 | pub fn top_k_frequent(nums: Vec, k: i32) -> Vec { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.21s [INFO] running `Command { std: "docker" "inspect" "0adacf0955b1b5bafab730f48f52c9f952068aa0a3ab6ef1f87e7768a292b44b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0adacf0955b1b5bafab730f48f52c9f952068aa0a3ab6ef1f87e7768a292b44b", kill_on_drop: false }` [INFO] [stdout] 0adacf0955b1b5bafab730f48f52c9f952068aa0a3ab6ef1f87e7768a292b44b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 481c3b9718c631276282a3bf5b594f49a503542b8fd0633f44a9a104c376eead [INFO] running `Command { std: "docker" "start" "-a" "481c3b9718c631276282a3bf5b594f49a503542b8fd0633f44a9a104c376eead", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling algos v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/balanced_braces.rs:44:25 [INFO] [stdout] | [INFO] [stdout] 44 | assert!(result, true); [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to Display the message [INFO] [stdout] | [INFO] [stdout] 44 | assert!(result, "{}", true); [INFO] [stdout] | +++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.25s [INFO] running `Command { std: "docker" "inspect" "481c3b9718c631276282a3bf5b594f49a503542b8fd0633f44a9a104c376eead", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "481c3b9718c631276282a3bf5b594f49a503542b8fd0633f44a9a104c376eead", kill_on_drop: false }` [INFO] [stdout] 481c3b9718c631276282a3bf5b594f49a503542b8fd0633f44a9a104c376eead [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7ab249894f1c5a2ea243a7b9d2f6391d0cf3d8bddaa7fa8e6cfdcc05dbf02bce [INFO] running `Command { std: "docker" "start" "-a" "7ab249894f1c5a2ea243a7b9d2f6391d0cf3d8bddaa7fa8e6cfdcc05dbf02bce", kill_on_drop: false }` [INFO] [stderr] warning: panic message is not a string literal [INFO] [stderr] --> src/balanced_braces.rs:44:25 [INFO] [stderr] | [INFO] [stderr] 44 | assert!(result, true); [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stderr] = note: this usage of assert!() is deprecated; it will be a hard error in Rust 2021 [INFO] [stderr] = note: for more information, see [INFO] [stderr] help: add a "{}" format string to Display the message [INFO] [stderr] | [INFO] [stderr] 44 | assert!(result, "{}", true); [INFO] [stderr] | +++++ [INFO] [stderr] [INFO] [stderr] warning: `algos` (bin "algos" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/algos-d3123d3afbe8c090) [INFO] [stdout] [INFO] [stdout] running 25 tests [INFO] [stdout] test balanced_braces::stack_tests::braces_len_odd_not_balanced ... ok [INFO] [stdout] test balanced_braces::stack_tests::nested_braces_not_balanced ... ok [INFO] [stdout] test balanced_braces::stack_tests::simple_braces_are_balanced ... ok [INFO] [stdout] test find_kth_largest::find_kth_largest_test::find_second_largest ... ok [INFO] [stdout] test balanced_braces::stack_tests::simple_braces_not_balanced ... ok [INFO] [stdout] test number_of_baloons::baloons_tests::scrambled_baloons ... ok [INFO] [stdout] test number_of_baloons::baloons_tests::has_two_baloons ... ok [INFO] [stdout] test reverse_integer::reverse_integer_tests::number_reverses ... ok [INFO] [stdout] test top_k_frequent_elements::top_k_frequent::one_entry ... ok [INFO] [stdout] test reverse_integer::reverse_integer_tests::negative_numbers ... ok [INFO] [stdout] test number_of_baloons::baloons_tests::no_matches ... ok [INFO] [stdout] test number_of_baloons::baloons_tests::has_three_baloons ... ok [INFO] [stdout] test find_kth_largest::find_kth_largest_test::find_fourth_largest ... ok [INFO] [stdout] test top_k_frequent_elements::top_k_frequent::top_2_frequent ... ok [INFO] [stdout] test find_numbers_with_even_digits::find_numbers_with_even_digits_tests::two_even_digits ... ok [INFO] [stdout] test two_sum::two_sum_tests::nums_add_up ... ok [INFO] [stdout] test reverse_integer::reverse_integer_tests::number_reverses_complex ... ok [INFO] [stdout] test two_sum::two_sum_tests::nums_add_up_helix_example ... ok [INFO] [stdout] test number_of_baloons::baloons_tests::matches_ten ... ok [INFO] [stdout] test two_sum::two_sum_tests::nums_add_up_leet_example ... ok [INFO] [stdout] test word_occurances::word_occurances_test::baloons_test ... ok [INFO] [stdout] test word_occurances::word_occurances_test::match_just_word ... ok [INFO] [stdout] test word_occurances::word_occurances_test::match_two_words ... ok [INFO] [stdout] test word_occurances::word_occurances_test::no_match_just_uneven_word ... ok [INFO] [stdout] test word_occurances::word_occurances_test::no_match_word ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 25 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7ab249894f1c5a2ea243a7b9d2f6391d0cf3d8bddaa7fa8e6cfdcc05dbf02bce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ab249894f1c5a2ea243a7b9d2f6391d0cf3d8bddaa7fa8e6cfdcc05dbf02bce", kill_on_drop: false }` [INFO] [stdout] 7ab249894f1c5a2ea243a7b9d2f6391d0cf3d8bddaa7fa8e6cfdcc05dbf02bce