[INFO] cloning repository https://github.com/david3pabon/rust_leetcode [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/david3pabon/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid3pabon%2Frust_leetcode", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid3pabon%2Frust_leetcode'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6c9990c80cec44ae885f1d59d410e77d22f2efb6 [INFO] testing david3pabon/rust_leetcode against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavid3pabon%2Frust_leetcode" "/workspace/builds/worker-9/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/david3pabon/rust_leetcode on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/david3pabon/rust_leetcode [INFO] finished tweaking git repo https://github.com/david3pabon/rust_leetcode [INFO] tweaked toml for git repo https://github.com/david3pabon/rust_leetcode written to /workspace/builds/worker-9/source/Cargo.toml [INFO] crate git repo https://github.com/david3pabon/rust_leetcode already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 0c39d1f9d77876d14dab40c38dffdce93d6f0b5147b7430333f475fd26118db3 [INFO] running `Command { std: "docker" "start" "-a" "0c39d1f9d77876d14dab40c38dffdce93d6f0b5147b7430333f475fd26118db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0c39d1f9d77876d14dab40c38dffdce93d6f0b5147b7430333f475fd26118db3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c39d1f9d77876d14dab40c38dffdce93d6f0b5147b7430333f475fd26118db3", kill_on_drop: false }` [INFO] [stdout] 0c39d1f9d77876d14dab40c38dffdce93d6f0b5147b7430333f475fd26118db3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 54f379edc3a7f2d8a1748ec69c89f7d15a84ca7d4dcca7c8dcab34e4dea1f1e1 [INFO] running `Command { std: "docker" "start" "-a" "54f379edc3a7f2d8a1748ec69c89f7d15a84ca7d4dcca7c8dcab34e4dea1f1e1", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling leetcode_solutions v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function is never used: `add_two_numbers` [INFO] [stdout] --> src/add_two_numbers.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn add_two_numbers(l1: Option>, l2: Option>) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/add_two_numbers.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn new(val: i32) -> ListNode { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `length_of_longest_substring` [INFO] [stdout] --> src/length_of_longest_substring.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn length_of_longest_substring(s: String) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "54f379edc3a7f2d8a1748ec69c89f7d15a84ca7d4dcca7c8dcab34e4dea1f1e1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54f379edc3a7f2d8a1748ec69c89f7d15a84ca7d4dcca7c8dcab34e4dea1f1e1", kill_on_drop: false }` [INFO] [stdout] 54f379edc3a7f2d8a1748ec69c89f7d15a84ca7d4dcca7c8dcab34e4dea1f1e1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8d0470acdc24c420d49fc0cbc080194be3023b6855fba81366703d6816c7faba [INFO] running `Command { std: "docker" "start" "-a" "8d0470acdc24c420d49fc0cbc080194be3023b6855fba81366703d6816c7faba", kill_on_drop: false }` [INFO] [stderr] Compiling leetcode_solutions v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.38s [INFO] running `Command { std: "docker" "inspect" "8d0470acdc24c420d49fc0cbc080194be3023b6855fba81366703d6816c7faba", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8d0470acdc24c420d49fc0cbc080194be3023b6855fba81366703d6816c7faba", kill_on_drop: false }` [INFO] [stdout] 8d0470acdc24c420d49fc0cbc080194be3023b6855fba81366703d6816c7faba [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3993bd1843772ad73e9b3b5f85fa9278a0f5cadec6cb87de671414bd90f03549 [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" "3993bd1843772ad73e9b3b5f85fa9278a0f5cadec6cb87de671414bd90f03549", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/leetcode_solutions-a706477a30343dd5) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test add_two_numbers::test_add_two_numbers ... ok [INFO] [stdout] test two_sum::test_two_sum_2 ... ok [INFO] [stdout] test two_sum::test_two_sum_1 ... ok [INFO] [stdout] test length_of_longest_substring::test_length_of_longest_substring ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3993bd1843772ad73e9b3b5f85fa9278a0f5cadec6cb87de671414bd90f03549", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3993bd1843772ad73e9b3b5f85fa9278a0f5cadec6cb87de671414bd90f03549", kill_on_drop: false }` [INFO] [stdout] 3993bd1843772ad73e9b3b5f85fa9278a0f5cadec6cb87de671414bd90f03549