[INFO] updating cached repository https://github.com/xanahopper/leetcode
[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] 8a93c652b375b453577b2339c3120f3fe5614aea
[INFO] testing xanahopper/leetcode against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxanahopper%2Fleetcode" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/xanahopper/leetcode on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/xanahopper/leetcode already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.44.0" "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] ff37b6e4daeb1accd6c73c4951dc2f68b66ee69b4953ea5498b4f38ce6558573
[INFO] running `"docker" "start" "-a" "ff37b6e4daeb1accd6c73c4951dc2f68b66ee69b4953ea5498b4f38ce6558573"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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] [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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.76s
[INFO] running `"docker" "inspect" "ff37b6e4daeb1accd6c73c4951dc2f68b66ee69b4953ea5498b4f38ce6558573"`
[INFO] running `"docker" "rm" "-f" "ff37b6e4daeb1accd6c73c4951dc2f68b66ee69b4953ea5498b4f38ce6558573"`
[INFO] [stdout] ff37b6e4daeb1accd6c73c4951dc2f68b66ee69b4953ea5498b4f38ce6558573
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.44.0" "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] dc4f1e20e24b144653929bbd65ec1153820f7750154deb002188b9ae28374e0c
[INFO] running `"docker" "start" "-a" "dc4f1e20e24b144653929bbd65ec1153820f7750154deb002188b9ae28374e0c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[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: 1 warning 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `"docker" "inspect" "dc4f1e20e24b144653929bbd65ec1153820f7750154deb002188b9ae28374e0c"`
[INFO] running `"docker" "rm" "-f" "dc4f1e20e24b144653929bbd65ec1153820f7750154deb002188b9ae28374e0c"`
[INFO] [stdout] dc4f1e20e24b144653929bbd65ec1153820f7750154deb002188b9ae28374e0c
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.44.0" "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] 52dc9d1b2248a2d47779fe5d53f9e0fd4628a88126a74d9486db3ce052875e05
[INFO] running `"docker" "start" "-a" "52dc9d1b2248a2d47779fe5d53f9e0fd4628a88126a74d9486db3ce052875e05"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 1 warning 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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode-51e3411a44f9b211
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::n2_test ... ok
[INFO] [stdout] test tests::n1_test ... ok
[INFO] [stdout] test tests::n8_test ... ok
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/leetcode-7e90704c623d2e15
[INFO] [stdout] test tests::n6_test ... ok
[INFO] [stdout] test tests::n7_test ... ok
[INFO] [stdout] test tests::n3_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 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 `"docker" "inspect" "52dc9d1b2248a2d47779fe5d53f9e0fd4628a88126a74d9486db3ce052875e05"`
[INFO] running `"docker" "rm" "-f" "52dc9d1b2248a2d47779fe5d53f9e0fd4628a88126a74d9486db3ce052875e05"`
[INFO] [stdout] 52dc9d1b2248a2d47779fe5d53f9e0fd4628a88126a74d9486db3ce052875e05