[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 1.55.0 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-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/edsion11/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/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-8/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" "+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-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] [stdout] e43e79125620df08bb7276f84b01d320aafd33d9ba8e836919487622665bacde
[INFO] running `Command { std: "docker" "start" "-a" "e43e79125620df08bb7276f84b01d320aafd33d9ba8e836919487622665bacde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e43e79125620df08bb7276f84b01d320aafd33d9ba8e836919487622665bacde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e43e79125620df08bb7276f84b01d320aafd33d9ba8e836919487622665bacde", kill_on_drop: false }`
[INFO] [stdout] e43e79125620df08bb7276f84b01d320aafd33d9ba8e836919487622665bacde
[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] e03ef9791f3aec20a2fadebc834b8dce51eb800f57414a3ca3df5cf38ab37e9b
[INFO] running `Command { std: "docker" "start" "-a" "e03ef9791f3aec20a2fadebc834b8dce51eb800f57414a3ca3df5cf38ab37e9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 1.74s
[INFO] running `Command { std: "docker" "inspect" "e03ef9791f3aec20a2fadebc834b8dce51eb800f57414a3ca3df5cf38ab37e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e03ef9791f3aec20a2fadebc834b8dce51eb800f57414a3ca3df5cf38ab37e9b", kill_on_drop: false }`
[INFO] [stdout] e03ef9791f3aec20a2fadebc834b8dce51eb800f57414a3ca3df5cf38ab37e9b
[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] a7ea097cfec308803fd5d43de4c5f03be1dababd9b62ff4ad2fdf36918b18e17
[INFO] running `Command { std: "docker" "start" "-a" "a7ea097cfec308803fd5d43de4c5f03be1dababd9b62ff4ad2fdf36918b18e17", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_leeetcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.22s
[INFO] running `Command { std: "docker" "inspect" "a7ea097cfec308803fd5d43de4c5f03be1dababd9b62ff4ad2fdf36918b18e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7ea097cfec308803fd5d43de4c5f03be1dababd9b62ff4ad2fdf36918b18e17", kill_on_drop: false }`
[INFO] [stdout] a7ea097cfec308803fd5d43de4c5f03be1dababd9b62ff4ad2fdf36918b18e17
[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] 3e1f815808e719e5b6dd297f5fc466e38287b58424a188e6fc70b303cdeaa21e
[INFO] running `Command { std: "docker" "start" "-a" "3e1f815808e719e5b6dd297f5fc466e38287b58424a188e6fc70b303cdeaa21e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_leeetcode-5603abeb9af56e8b)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[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_135::test_candy ... ok
[INFO] [stdout] test native_solution::leetcode_401::test_add_strings ... ok
[INFO] [stdout] test native_solution::leetcode_76::test_min_window ... ok
[INFO] [stdout] test native_solution::leetcode_167::test_two_sum ... ok
[INFO] [stdout] test native_solution::leetcode_88::test_merge ... 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 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3e1f815808e719e5b6dd297f5fc466e38287b58424a188e6fc70b303cdeaa21e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e1f815808e719e5b6dd297f5fc466e38287b58424a188e6fc70b303cdeaa21e", kill_on_drop: false }`
[INFO] [stdout] 3e1f815808e719e5b6dd297f5fc466e38287b58424a188e6fc70b303cdeaa21e