[INFO] cloning repository https://github.com/edsion11/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/edsion11/rust_leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedsion11%2Frust_leetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedsion11%2Frust_leetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b1be4e1b5c59fcff3597f7642747abf6d8cf3938
[INFO] testing edsion11/rust_leetcode against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fedsion11%2Frust_leetcode" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/edsion11/rust_leetcode on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/edsion11/rust_leetcode
[INFO] finished tweaking git repo https://github.com/edsion11/rust_leetcode
[INFO] tweaked toml for git repo https://github.com/edsion11/rust_leetcode written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/edsion11/rust_leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfe8006b73343312d17cd231cb8e1e813f49e9be2a22085a52fe7e6e32df2ce9
[INFO] running `Command { std: "docker" "start" "-a" "dfe8006b73343312d17cd231cb8e1e813f49e9be2a22085a52fe7e6e32df2ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfe8006b73343312d17cd231cb8e1e813f49e9be2a22085a52fe7e6e32df2ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfe8006b73343312d17cd231cb8e1e813f49e9be2a22085a52fe7e6e32df2ce9", kill_on_drop: false }`
[INFO] [stdout] dfe8006b73343312d17cd231cb8e1e813f49e9be2a22085a52fe7e6e32df2ce9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51cdef558527c0a7cb42185b5bb4b290f4630d1b55f246cb32a5c7c0bc8c6ffe
[INFO] running `Command { std: "docker" "start" "-a" "51cdef558527c0a7cb42185b5bb4b290f4630d1b55f246cb32a5c7c0bc8c6ffe", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_leeetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/native_solution/leetocde_894.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 |     pub fn new(val: i32) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `all_possible_fbt`
[INFO] [stdout]   --> src/native_solution/leetocde_894.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub fn all_possible_fbt(mut n: i32) -> Vec<Option<Rc<RefCell<TreeNode>>>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "51cdef558527c0a7cb42185b5bb4b290f4630d1b55f246cb32a5c7c0bc8c6ffe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51cdef558527c0a7cb42185b5bb4b290f4630d1b55f246cb32a5c7c0bc8c6ffe", kill_on_drop: false }`
[INFO] [stdout] 51cdef558527c0a7cb42185b5bb4b290f4630d1b55f246cb32a5c7c0bc8c6ffe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cc4538dfbd943ddb032735c664abd6b37ccd9515cbd001a3c743d1e5b1531bef
[INFO] running `Command { std: "docker" "start" "-a" "cc4538dfbd943ddb032735c664abd6b37ccd9515cbd001a3c743d1e5b1531bef", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_leeetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "cc4538dfbd943ddb032735c664abd6b37ccd9515cbd001a3c743d1e5b1531bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cc4538dfbd943ddb032735c664abd6b37ccd9515cbd001a3c743d1e5b1531bef", kill_on_drop: false }`
[INFO] [stdout] cc4538dfbd943ddb032735c664abd6b37ccd9515cbd001a3c743d1e5b1531bef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b63f4425928d9786a83873a7770266df6291a55796bbd6541b5731eb2fb7aae6
[INFO] running `Command { std: "docker" "start" "-a" "b63f4425928d9786a83873a7770266df6291a55796bbd6541b5731eb2fb7aae6", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] running 8 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_leeetcode-3fb541ecc736ffa2)
[INFO] [stdout] test native_solution::leetcode_135::test_candy ... ok
[INFO] [stdout] test native_solution::leetcode_167::test_two_sum ... ok
[INFO] [stdout] test native_solution::leetcode_198::test_rob ... ok
[INFO] [stdout] test native_solution::leetcode_70::test_climb_stairs ... ok
[INFO] [stdout] test native_solution::leetcode_76::test_min_window ... ok
[INFO] [stdout] test native_solution::leetcode_88::test_merge ... ok
[INFO] [stdout] test native_solution::leetcode_401::test_add_strings ... ok
[INFO] [stdout] test native_solution::leetocde_894::test_all_possible_fbt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b63f4425928d9786a83873a7770266df6291a55796bbd6541b5731eb2fb7aae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b63f4425928d9786a83873a7770266df6291a55796bbd6541b5731eb2fb7aae6", kill_on_drop: false }`
[INFO] [stdout] b63f4425928d9786a83873a7770266df6291a55796bbd6541b5731eb2fb7aae6