[INFO] cloning repository https://github.com/xanahopper/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xanahopper/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aad9f7039a4cfa474315ad16440b8d007a8742a
[INFO] testing xanahopper/leetcode against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xanahopper/leetcode on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/xanahopper/leetcode
[INFO] finished tweaking git repo https://github.com/xanahopper/leetcode
[INFO] tweaked toml for git repo https://github.com/xanahopper/leetcode written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/xanahopper/leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02b6efc65eb598c277c8d31c6986093d0c2f9a65e3d7bc779180ecd7c5a638d4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "02b6efc65eb598c277c8d31c6986093d0c2f9a65e3d7bc779180ecd7c5a638d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02b6efc65eb598c277c8d31c6986093d0c2f9a65e3d7bc779180ecd7c5a638d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02b6efc65eb598c277c8d31c6986093d0c2f9a65e3d7bc779180ecd7c5a638d4", kill_on_drop: false }`
[INFO] [stdout] 02b6efc65eb598c277c8d31c6986093d0c2f9a65e3d7bc779180ecd7c5a638d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a73f0105b422a0fea7e46f95fdae5dd18ed013ab0f166f2e09133de26bae393
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2a73f0105b422a0fea7e46f95fdae5dd18ed013ab0f166f2e09133de26bae393", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling leetcode_test v0.1.1
[INFO] [stderr]    Compiling leetcode_prelude v0.2.2
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/leetcode/editor/en/solution_5.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/leetcode/editor/en/solution_13.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]   --> src/algorithm/kmp.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn index_of(&self, pattern: &String) -> Option<usize> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.09s
[INFO] running `Command { std: "docker" "inspect" "2a73f0105b422a0fea7e46f95fdae5dd18ed013ab0f166f2e09133de26bae393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a73f0105b422a0fea7e46f95fdae5dd18ed013ab0f166f2e09133de26bae393", kill_on_drop: false }`
[INFO] [stdout] 2a73f0105b422a0fea7e46f95fdae5dd18ed013ab0f166f2e09133de26bae393
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d395d7a8437c3d458384e3e577bf7a020e630b305571511de6f211ab15a64b8b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d395d7a8437c3d458384e3e577bf7a020e630b305571511de6f211ab15a64b8b", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/leetcode/editor/en/solution_5.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/leetcode/editor/en/solution_13.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]   --> src/algorithm/kmp.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn index_of(&self, pattern: &String) -> Option<usize> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/leetcode/editor/en/solution_5.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> src/leetcode/editor/en/solution_13.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stdout]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pattern`
[INFO] [stdout]   --> src/algorithm/kmp.rs:10:24
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn index_of(&self, pattern: &String) -> Option<usize> {
[INFO] [stdout]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "d395d7a8437c3d458384e3e577bf7a020e630b305571511de6f211ab15a64b8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d395d7a8437c3d458384e3e577bf7a020e630b305571511de6f211ab15a64b8b", kill_on_drop: false }`
[INFO] [stdout] d395d7a8437c3d458384e3e577bf7a020e630b305571511de6f211ab15a64b8b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f41e251ab7092993cfe40ecc820190f0282a7716056986dbcfdadeeffffdb133
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f41e251ab7092993cfe40ecc820190f0282a7716056986dbcfdadeeffffdb133", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/leetcode/editor/en/solution_5.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/leetcode/editor/en/solution_13.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pattern`
[INFO] [stderr]   --> src/algorithm/kmp.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn index_of(&self, pattern: &String) -> Option<usize> {
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/leetcode/editor/en/solution_5.rs:26:31
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn longest_palindrome(s: String) -> String {
[INFO] [stderr]    |                               ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/leetcode/editor/en/solution_13.rs:73:25
[INFO] [stderr]    |
[INFO] [stderr] 73 |     pub fn roman_to_int(s: String) -> i32 {
[INFO] [stderr]    |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pattern`
[INFO] [stderr]   --> src/algorithm/kmp.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 |     fn index_of(&self, pattern: &String) -> Option<usize> {
[INFO] [stderr]    |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pattern`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode-40b83a06ef47082b
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test tests::n1_test ... ok
[INFO] [stdout] test tests::n28_test ... ok
[INFO] [stdout] test tests::n2_test ... ok
[INFO] [stdout] test tests::n7_test ... ok
[INFO] [stdout] test tests::n8_test ... ok
[INFO] [stdout] test tests::n3_test ... ok
[INFO] [stdout] test tests::n9_test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode-26d8fb7e23ad46a7
[INFO] [stdout] test tests::n4_test ... ok
[INFO] [stdout] test tests::n14_test ... ok
[INFO] [stdout] test tests::n6_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 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] [stderr]    Doc-tests leetcode
[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 `Command { std: "docker" "inspect" "f41e251ab7092993cfe40ecc820190f0282a7716056986dbcfdadeeffffdb133", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f41e251ab7092993cfe40ecc820190f0282a7716056986dbcfdadeeffffdb133", kill_on_drop: false }`
[INFO] [stdout] f41e251ab7092993cfe40ecc820190f0282a7716056986dbcfdadeeffffdb133