[INFO] cloning repository https://github.com/guaifish/leetcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/guaifish/leetcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguaifish%2Fleetcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguaifish%2Fleetcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f4b6fab8786ec5f67a1a3ddbdef161aef25bf58
[INFO] testing guaifish/leetcode-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fguaifish%2Fleetcode-rust" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/guaifish/leetcode-rust 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/guaifish/leetcode-rust
[INFO] finished tweaking git repo https://github.com/guaifish/leetcode-rust
[INFO] tweaked toml for git repo https://github.com/guaifish/leetcode-rust written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/guaifish/leetcode-rust 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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 5ee662145cba158c899f5a4dc0f410840ce667c82b0f41ab1d4f924c59b87bcb
[INFO] running `Command { std: "docker" "start" "-a" "5ee662145cba158c899f5a4dc0f410840ce667c82b0f41ab1d4f924c59b87bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ee662145cba158c899f5a4dc0f410840ce667c82b0f41ab1d4f924c59b87bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee662145cba158c899f5a4dc0f410840ce667c82b0f41ab1d4f924c59b87bcb", kill_on_drop: false }`
[INFO] [stdout] 5ee662145cba158c899f5a4dc0f410840ce667c82b0f41ab1d4f924c59b87bcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 5b578c22c001150b9e5fb7791ea246ba9e32ff3cbe6451ae43638f6be3f00a8f
[INFO] running `Command { std: "docker" "start" "-a" "5b578c22c001150b9e5fb7791ea246ba9e32ff3cbe6451ae43638f6be3f00a8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "5b578c22c001150b9e5fb7791ea246ba9e32ff3cbe6451ae43638f6be3f00a8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b578c22c001150b9e5fb7791ea246ba9e32ff3cbe6451ae43638f6be3f00a8f", kill_on_drop: false }`
[INFO] [stdout] 5b578c22c001150b9e5fb7791ea246ba9e32ff3cbe6451ae43638f6be3f00a8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] cad47fd5056f9e64f4301c4bebbbd12abe7b9a014b90bd4a95c9324d28e1483b
[INFO] running `Command { std: "docker" "start" "-a" "cad47fd5056f9e64f4301c4bebbbd12abe7b9a014b90bd4a95c9324d28e1483b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling leetcode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.81s
[INFO] running `Command { std: "docker" "inspect" "cad47fd5056f9e64f4301c4bebbbd12abe7b9a014b90bd4a95c9324d28e1483b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cad47fd5056f9e64f4301c4bebbbd12abe7b9a014b90bd4a95c9324d28e1483b", kill_on_drop: false }`
[INFO] [stdout] cad47fd5056f9e64f4301c4bebbbd12abe7b9a014b90bd4a95c9324d28e1483b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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] 981666ed938e5a33a275d608a5c1629b8411c6d48c8b43376aeff8ccae7eac0d
[INFO] running `Command { std: "docker" "start" "-a" "981666ed938e5a33a275d608a5c1629b8411c6d48c8b43376aeff8ccae7eac0d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/leetcode_rust-282077372591f536)
[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] [stderr]      Running tests/macros.rs (/opt/rustwide/target/debug/deps/macros-045465b0da62ff25)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_0008_string_to_integer.rs (/opt/rustwide/target/debug/deps/test_0008_string_to_integer-9aa87a6baa5f1f62)
[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] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test example1 ... ok
[INFO] [stdout] test example2 ... ok
[INFO] [stdout] test example3 ... ok
[INFO] [stdout] test example4 ... ok
[INFO] [stdout] test example5 ... ok
[INFO] [stdout] test example6 ... ok
[INFO] [stdout] test example7 ... ok
[INFO] [stdout] test example8 ... 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] [stderr]      Running tests/test_0009_palindrome_number.rs (/opt/rustwide/target/debug/deps/test_0009_palindrome_number-f94040248631c722)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test example1 ... ok
[INFO] [stdout] test example2 ... ok
[INFO] [stdout] test example3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_0013_roman_to_integer.rs (/opt/rustwide/target/debug/deps/test_0013_roman_to_integer-d8b7bb07f3031962)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test example2 ... ok
[INFO] [stdout] test example4 ... ok
[INFO] [stdout] test example1 ... ok
[INFO] [stdout] test example3 ... ok
[INFO] [stdout] test example5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_0014_longest_common_prefix.rs (/opt/rustwide/target/debug/deps/test_0014_longest_common_prefix-dc4c1c63e736d96b)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test example1 ... ok
[INFO] [stdout] test example2 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/test_0020_valid_parentheses.rs (/opt/rustwide/target/debug/deps/test_0020_valid_parentheses-eddabde0f1d6e468)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test example2 ... ok
[INFO] [stdout] test example1 ... ok
[INFO] [stdout] test example3 ... ok
[INFO] [stdout] test example4 ... ok
[INFO] [stdout] test example5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests leetcode-rust
[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" "981666ed938e5a33a275d608a5c1629b8411c6d48c8b43376aeff8ccae7eac0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981666ed938e5a33a275d608a5c1629b8411c6d48c8b43376aeff8ccae7eac0d", kill_on_drop: false }`
[INFO] [stdout] 981666ed938e5a33a275d608a5c1629b8411c6d48c8b43376aeff8ccae7eac0d