[INFO] cloning repository https://github.com/ku222/RustBinaryTree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ku222/RustBinaryTree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fku222%2FRustBinaryTree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fku222%2FRustBinaryTree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b87c8f0ba65dac9a7eebae9fbd007ee4eb87eb5
[INFO] testing ku222/RustBinaryTree against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fku222%2FRustBinaryTree" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ku222/RustBinaryTree on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ku222/RustBinaryTree
[INFO] finished tweaking git repo https://github.com/ku222/RustBinaryTree
[INFO] tweaked toml for git repo https://github.com/ku222/RustBinaryTree written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ku222/RustBinaryTree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6defc74e7d445766f6c9b346e18b8468f03927d8d349d32f66483aa4a41bbf3
[INFO] running `Command { std: "docker" "start" "-a" "c6defc74e7d445766f6c9b346e18b8468f03927d8d349d32f66483aa4a41bbf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6defc74e7d445766f6c9b346e18b8468f03927d8d349d32f66483aa4a41bbf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6defc74e7d445766f6c9b346e18b8468f03927d8d349d32f66483aa4a41bbf3", kill_on_drop: false }`
[INFO] [stdout] c6defc74e7d445766f6c9b346e18b8468f03927d8d349d32f66483aa4a41bbf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f018a1db53b33af097dcbfc1a74f4359430942df0d91ad1b348dc292bf050b
[INFO] running `Command { std: "docker" "start" "-a" "78f018a1db53b33af097dcbfc1a74f4359430942df0d91ad1b348dc292bf050b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "78f018a1db53b33af097dcbfc1a74f4359430942df0d91ad1b348dc292bf050b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f018a1db53b33af097dcbfc1a74f4359430942df0d91ad1b348dc292bf050b", kill_on_drop: false }`
[INFO] [stdout] 78f018a1db53b33af097dcbfc1a74f4359430942df0d91ad1b348dc292bf050b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c527bc9a7ba7d3624196c6f8e93a11833e0ab0c4c3f3774edd5c50791ad20f3
[INFO] running `Command { std: "docker" "start" "-a" "2c527bc9a7ba7d3624196c6f8e93a11833e0ab0c4c3f3774edd5c50791ad20f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "2c527bc9a7ba7d3624196c6f8e93a11833e0ab0c4c3f3774edd5c50791ad20f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c527bc9a7ba7d3624196c6f8e93a11833e0ab0c4c3f3774edd5c50791ad20f3", kill_on_drop: false }`
[INFO] [stdout] 2c527bc9a7ba7d3624196c6f8e93a11833e0ab0c4c3f3774edd5c50791ad20f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cf0ed9d01d95327b80aa4af60b864cc1f24c7b3e1a403e503e0122744e710caf
[INFO] running `Command { std: "docker" "start" "-a" "cf0ed9d01d95327b80aa4af60b864cc1f24c7b3e1a403e503e0122744e710caf", 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/rust_binary_tree-25790a4408517cdb)
[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" "cf0ed9d01d95327b80aa4af60b864cc1f24c7b3e1a403e503e0122744e710caf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf0ed9d01d95327b80aa4af60b864cc1f24c7b3e1a403e503e0122744e710caf", kill_on_drop: false }`
[INFO] [stdout] cf0ed9d01d95327b80aa4af60b864cc1f24c7b3e1a403e503e0122744e710caf