[INFO] cloning repository https://github.com/kakoc/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kakoc/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkakoc%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b43a6dd6c14cda9d78d2cec2c33863d2d833bfb5
[INFO] testing kakoc/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%2Fkakoc%2Fleetcode" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kakoc/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/kakoc/leetcode
[INFO] finished tweaking git repo https://github.com/kakoc/leetcode
[INFO] tweaked toml for git repo https://github.com/kakoc/leetcode written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kakoc/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] [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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] d8c532f9b0408e6ad2fdf22692320a07f8853dcdc08024ba38906fa4b5dcaeee
[INFO] running `Command { std: "docker" "start" "-a" "d8c532f9b0408e6ad2fdf22692320a07f8853dcdc08024ba38906fa4b5dcaeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8c532f9b0408e6ad2fdf22692320a07f8853dcdc08024ba38906fa4b5dcaeee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c532f9b0408e6ad2fdf22692320a07f8853dcdc08024ba38906fa4b5dcaeee", kill_on_drop: false }`
[INFO] [stdout] d8c532f9b0408e6ad2fdf22692320a07f8853dcdc08024ba38906fa4b5dcaeee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 388f6775082a7fbdda6dc46e897db07ae30767196488a7f41f45e6abad05d594
[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" "388f6775082a7fbdda6dc46e897db07ae30767196488a7f41f45e6abad05d594", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.57s
[INFO] running `Command { std: "docker" "inspect" "388f6775082a7fbdda6dc46e897db07ae30767196488a7f41f45e6abad05d594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "388f6775082a7fbdda6dc46e897db07ae30767196488a7f41f45e6abad05d594", kill_on_drop: false }`
[INFO] [stdout] 388f6775082a7fbdda6dc46e897db07ae30767196488a7f41f45e6abad05d594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 66b055c4d7072afcd1995da9e8572fca76232ac693a9af1d2ae2137977c95926
[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" "66b055c4d7072afcd1995da9e8572fca76232ac693a9af1d2ae2137977c95926", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.94s
[INFO] running `Command { std: "docker" "inspect" "66b055c4d7072afcd1995da9e8572fca76232ac693a9af1d2ae2137977c95926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b055c4d7072afcd1995da9e8572fca76232ac693a9af1d2ae2137977c95926", kill_on_drop: false }`
[INFO] [stdout] 66b055c4d7072afcd1995da9e8572fca76232ac693a9af1d2ae2137977c95926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a0105fec3a09b87d1bd337f37f127d58b8ffd0d57fb8b509a089cbe2eccd15ea
[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" "a0105fec3a09b87d1bd337f37f127d58b8ffd0d57fb8b509a089cbe2eccd15ea", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode-5e7b52021d9e92f0)
[INFO] [stdout] running 28 tests
[INFO] [stdout] test bt_diameter::test_diameter ... ok
[INFO] [stdout] test counting::counting ... ok
[INFO] [stdout] test arrow::test_arrow ... ok
[INFO] [stdout] test lru_cache::test_lru_cache ... ok
[INFO] [stdout] test find_after_swap::test_binary_search ... ok
[INFO] [stdout] test islands::test_islands ... ok
[INFO] [stdout] test jumps::test_jumps ... ok
[INFO] [stdout] test except_self::test_except_self ... ok
[INFO] [stdout] test max_bst::test_max_bst ... ok
[INFO] [stdout] test max_square::test_max_square ... ok
[INFO] [stdout] test parens::test_parens ... ok
[INFO] [stdout] test sail::test_sail ... ok
[INFO] [stdout] test segment_tree::segment_tree_test ... ok
[INFO] [stdout] test shortest_path::test_shortest_path ... ok
[INFO] [stdout] test stack::test_stack ... ok
[INFO] [stdout] test stones::test_binary ... ok
[INFO] [stdout] test str_in_bst::test_str_in_bst ... ok
[INFO] [stdout] test swap_overlap::test_solve_swap ... ok
[INFO] [stdout] test swap_overlap::test_overlapping_swap ... ok
[INFO] [stdout] test test::foo ... ok
[INFO] [stdout] test anagrams::test_anagrams ... ok
[INFO] [stdout] test longest_common_subseq::test_longest_common_subseq ... ok
[INFO] [stdout] test subarray_sum_k::test_subarray_sum ... ok
[INFO] [stdout] test string_shift::test_shift ... ok
[INFO] [stdout] test linked_list::test_ll ... ok
[INFO] [stdout] test bst_from_preorder::test_bst_from_preorder ... ok
[INFO] [stdout] test first_unique::test_first_unique ... ok
[INFO] [stdout] test backspace::test_backspace ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a0105fec3a09b87d1bd337f37f127d58b8ffd0d57fb8b509a089cbe2eccd15ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0105fec3a09b87d1bd337f37f127d58b8ffd0d57fb8b509a089cbe2eccd15ea", kill_on_drop: false }`
[INFO] [stdout] a0105fec3a09b87d1bd337f37f127d58b8ffd0d57fb8b509a089cbe2eccd15ea