[INFO] updating cached repository https://github.com/tostaylo/rust-leet
[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] 0a906878c64aac66a50287d73a0e980416fe4c05
[INFO] testing tostaylo/rust-leet against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftostaylo%2Frust-leet" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tostaylo/rust-leet 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/tostaylo/rust-leet
[INFO] finished tweaking git repo https://github.com/tostaylo/rust-leet
[INFO] tweaked toml for git repo https://github.com/tostaylo/rust-leet written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/tostaylo/rust-leet 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d03d788f9a3b711ab0161548a6e91b209b5800f8563058dcaabe096a20620398
[INFO] running `"docker" "start" "-a" "d03d788f9a3b711ab0161548a6e91b209b5800f8563058dcaabe096a20620398"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-leet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: function is never used: `contains_duplicates`
[INFO] [stderr]   --> src/contains_duplicates.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub fn contains_duplicates(nums: Vec<i32>) -> bool {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_and_say`
[INFO] [stderr]  --> src/count_and_say.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn count_and_say(n: i32) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `count_chars`
[INFO] [stderr]  --> src/count_and_say.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn count_chars(s: String, n: i32) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `first_uniq_char`
[INFO] [stderr]  --> src/first_uniq_char.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn first_uniq_char(s: String) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `intersect`
[INFO] [stderr]  --> src/intersect.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn intersect(nums1: Vec<i32>, nums2: Vec<i32>) -> Vec<i32> {
[INFO] [stderr]   |        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_anagram`
[INFO] [stderr]  --> src/is_anagram.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn is_anagram(s: String, t: String) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_palindrome`
[INFO] [stderr]  --> src/is_palindrome.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn is_palindrome(s: String) -> bool {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `longest_common_prefix`
[INFO] [stderr]  --> src/longest_common_prefix.rs:5:8
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub fn longest_common_prefix(strings: Vec<String>) -> String {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `move_zeroes`
[INFO] [stderr]  --> src/move_zeroes.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn move_zeroes(nums: &mut Vec<i32>) {
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `remove_duplicates_sorted_array`
[INFO] [stderr]  --> src/remove_duplicates_sorted_array.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn remove_duplicates_sorted_array(nums: &mut Vec<i32>) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `reverse_string`
[INFO] [stderr]  --> src/reverse_string.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn reverse_string(s: &mut Vec<char>) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_array`
[INFO] [stderr]  --> src/rotate_array.rs:1:8
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn rotate_array(nums: &mut Vec<i32>, k: i32) {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `rotate_image`
[INFO] [stderr]  --> src/rotate_image.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn rotate_image(matrix: &mut Vec<Vec<i32>>) {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `single_number`
[INFO] [stderr]  --> src/single_number.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn single_number(nums: Vec<i32>) -> i32 {
[INFO] [stderr]   |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `str_str`
[INFO] [stderr]  --> src/str_str.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub fn str_str(haystack: String, needle: String) -> i32 {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `two_sum`
[INFO] [stderr]  --> src/two_sum.rs:4:8
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub fn two_sum(nums: Vec<i32>, target: i32) -> Vec<i32> {
[INFO] [stderr]   |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 16 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.30s
[INFO] running `"docker" "inspect" "d03d788f9a3b711ab0161548a6e91b209b5800f8563058dcaabe096a20620398"`
[INFO] running `"docker" "rm" "-f" "d03d788f9a3b711ab0161548a6e91b209b5800f8563058dcaabe096a20620398"`
[INFO] [stdout] d03d788f9a3b711ab0161548a6e91b209b5800f8563058dcaabe096a20620398
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 215df4a88ff62c26971260c25ece0c66cfde1ab4c53886608c92c4fb16cf3843
[INFO] running `"docker" "start" "-a" "215df4a88ff62c26971260c25ece0c66cfde1ab4c53886608c92c4fb16cf3843"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-leet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `"docker" "inspect" "215df4a88ff62c26971260c25ece0c66cfde1ab4c53886608c92c4fb16cf3843"`
[INFO] running `"docker" "rm" "-f" "215df4a88ff62c26971260c25ece0c66cfde1ab4c53886608c92c4fb16cf3843"`
[INFO] [stdout] 215df4a88ff62c26971260c25ece0c66cfde1ab4c53886608c92c4fb16cf3843
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] a5b10459059bf8ab425c7f7201297b4073151bec3e49dddfb9f26be265002da5
[INFO] running `"docker" "start" "-a" "a5b10459059bf8ab425c7f7201297b4073151bec3e49dddfb9f26be265002da5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_leet-385f60ad84de661b
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test is_palindrome::test_is_palindrome ... ok
[INFO] [stdout] test longest_common_prefix::test_longest_common_prefix ... ok
[INFO] [stdout] test is_anagram::test_is_anagram ... ok
[INFO] [stdout] test intersect::test_intersect ... ok
[INFO] [stdout] test str_str::test_str_str ... ok
[INFO] [stdout] test contains_duplicates::test_contains_duplicates ... ok
[INFO] [stdout] test count_and_say::testcount_and_say ... ok
[INFO] [stdout] test move_zeroes::test_move_zeroes ... ok
[INFO] [stdout] test two_sum::test_two_sum ... ok
[INFO] [stdout] test plus_one::test_plus_one ... ok
[INFO] [stdout] test remove_duplicates_sorted_array::test_remove_duplicates_sorted_array ... ok
[INFO] [stdout] test reverse_string::test_reverse_string ... ok
[INFO] [stdout] test rotate_array::test_rotate_array ... ok
[INFO] [stdout] test rotate_image::test_rotate_image ... ok
[INFO] [stdout] test single_number::test_single_number ... ok
[INFO] [stdout] test first_uniq_char::test_first_uniq_char ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "a5b10459059bf8ab425c7f7201297b4073151bec3e49dddfb9f26be265002da5"`
[INFO] running `"docker" "rm" "-f" "a5b10459059bf8ab425c7f7201297b4073151bec3e49dddfb9f26be265002da5"`
[INFO] [stdout] a5b10459059bf8ab425c7f7201297b4073151bec3e49dddfb9f26be265002da5