[INFO] cloning repository https://github.com/derivmug/binary_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derivmug/binary_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderivmug%2Fbinary_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderivmug%2Fbinary_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6e8a2994058cd99c86152d46e3b1ee5092b80bc
[INFO] testing derivmug/binary_tree against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderivmug%2Fbinary_tree" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/derivmug/binary_tree 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/derivmug/binary_tree
[INFO] finished tweaking git repo https://github.com/derivmug/binary_tree
[INFO] tweaked toml for git repo https://github.com/derivmug/binary_tree written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/derivmug/binary_tree 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 99fcb0c7f0e3c5153104458b5159cd4759a5a5cc131bfb72699fcdb4566a43bc
[INFO] running `Command { std: "docker" "start" "-a" "99fcb0c7f0e3c5153104458b5159cd4759a5a5cc131bfb72699fcdb4566a43bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99fcb0c7f0e3c5153104458b5159cd4759a5a5cc131bfb72699fcdb4566a43bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99fcb0c7f0e3c5153104458b5159cd4759a5a5cc131bfb72699fcdb4566a43bc", kill_on_drop: false }`
[INFO] [stdout] 99fcb0c7f0e3c5153104458b5159cd4759a5a5cc131bfb72699fcdb4566a43bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 5bdee593dee0d391c7d2f8d1522b00b4eab8bc9a874b86c899e401093d08fea8
[INFO] running `Command { std: "docker" "start" "-a" "5bdee593dee0d391c7d2f8d1522b00b4eab8bc9a874b86c899e401093d08fea8", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "5bdee593dee0d391c7d2f8d1522b00b4eab8bc9a874b86c899e401093d08fea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5bdee593dee0d391c7d2f8d1522b00b4eab8bc9a874b86c899e401093d08fea8", kill_on_drop: false }`
[INFO] [stdout] 5bdee593dee0d391c7d2f8d1522b00b4eab8bc9a874b86c899e401093d08fea8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6a9f8abb3de6a5b308a059b30c5ff5772a09954abd74762ba7a8e8efbc426502
[INFO] running `Command { std: "docker" "start" "-a" "6a9f8abb3de6a5b308a059b30c5ff5772a09954abd74762ba7a8e8efbc426502", kill_on_drop: false }`
[INFO] [stderr]    Compiling binary_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "6a9f8abb3de6a5b308a059b30c5ff5772a09954abd74762ba7a8e8efbc426502", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9f8abb3de6a5b308a059b30c5ff5772a09954abd74762ba7a8e8efbc426502", kill_on_drop: false }`
[INFO] [stdout] 6a9f8abb3de6a5b308a059b30c5ff5772a09954abd74762ba7a8e8efbc426502
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 00821ff4bdbdc9775b7d9a543ae91f95680678615c580df020e65a95014052f5
[INFO] running `Command { std: "docker" "start" "-a" "00821ff4bdbdc9775b7d9a543ae91f95680678615c580df020e65a95014052f5", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/binary_tree-f6f98f6c5ed443b4)
[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" "00821ff4bdbdc9775b7d9a543ae91f95680678615c580df020e65a95014052f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00821ff4bdbdc9775b7d9a543ae91f95680678615c580df020e65a95014052f5", kill_on_drop: false }`
[INFO] [stdout] 00821ff4bdbdc9775b7d9a543ae91f95680678615c580df020e65a95014052f5