[INFO] cloning repository https://github.com/shihou22/leet_code_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shihou22/leet_code_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshihou22%2Fleet_code_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshihou22%2Fleet_code_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d0cffd52f6e412926657e3e34ad64917b771e38
[INFO] testing shihou22/leet_code_rust 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%2Fshihou22%2Fleet_code_rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/shihou22/leet_code_rust 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/shihou22/leet_code_rust
[INFO] finished tweaking git repo https://github.com/shihou22/leet_code_rust
[INFO] tweaked toml for git repo https://github.com/shihou22/leet_code_rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/shihou22/leet_code_rust 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 823e2f23bef5157a7d91b568e3d13ccd182a140b717046cbc1c1421d34ed10c5
[INFO] running `Command { std: "docker" "start" "-a" "823e2f23bef5157a7d91b568e3d13ccd182a140b717046cbc1c1421d34ed10c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "823e2f23bef5157a7d91b568e3d13ccd182a140b717046cbc1c1421d34ed10c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "823e2f23bef5157a7d91b568e3d13ccd182a140b717046cbc1c1421d34ed10c5", kill_on_drop: false }`
[INFO] [stdout] 823e2f23bef5157a7d91b568e3d13ccd182a140b717046cbc1c1421d34ed10c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4833e87df2c3c4ebb5e666cf5e922affda7984d5408c153ac7bab5b3993aaeca
[INFO] running `Command { std: "docker" "start" "-a" "4833e87df2c3c4ebb5e666cf5e922affda7984d5408c153ac7bab5b3993aaeca", kill_on_drop: false }`
[INFO] [stderr]    Compiling leet_code_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "4833e87df2c3c4ebb5e666cf5e922affda7984d5408c153ac7bab5b3993aaeca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4833e87df2c3c4ebb5e666cf5e922affda7984d5408c153ac7bab5b3993aaeca", kill_on_drop: false }`
[INFO] [stdout] 4833e87df2c3c4ebb5e666cf5e922affda7984d5408c153ac7bab5b3993aaeca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e9a48d67b878a2cc6abaa6569027d34d4aabbe0d752b4bea9ebaf783d0de3175
[INFO] running `Command { std: "docker" "start" "-a" "e9a48d67b878a2cc6abaa6569027d34d4aabbe0d752b4bea9ebaf783d0de3175", kill_on_drop: false }`
[INFO] [stderr]    Compiling leet_code_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "e9a48d67b878a2cc6abaa6569027d34d4aabbe0d752b4bea9ebaf783d0de3175", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9a48d67b878a2cc6abaa6569027d34d4aabbe0d752b4bea9ebaf783d0de3175", kill_on_drop: false }`
[INFO] [stdout] e9a48d67b878a2cc6abaa6569027d34d4aabbe0d752b4bea9ebaf783d0de3175
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] e8d908a4b94ba032a46e5966ba5e52475c6fe6b951cb561d4f5174b6f8ebec29
[INFO] running `Command { std: "docker" "start" "-a" "e8d908a4b94ba032a46e5966ba5e52475c6fe6b951cb561d4f5174b6f8ebec29", 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/leet_code_rust-758af6b3e118a8d2)
[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" "e8d908a4b94ba032a46e5966ba5e52475c6fe6b951cb561d4f5174b6f8ebec29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d908a4b94ba032a46e5966ba5e52475c6fe6b951cb561d4f5174b6f8ebec29", kill_on_drop: false }`
[INFO] [stdout] e8d908a4b94ba032a46e5966ba5e52475c6fe6b951cb561d4f5174b6f8ebec29