[INFO] cloning repository https://github.com/othelarian/PoC_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/othelarian/PoC_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2FPoC_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fothelarian%2FPoC_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f53393b35af4266f8501a45a797bcf2c391f54ad
[INFO] testing othelarian/PoC_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%2Fothelarian%2FPoC_tree" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/othelarian/PoC_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/othelarian/PoC_tree
[INFO] finished tweaking git repo https://github.com/othelarian/PoC_tree
[INFO] tweaked toml for git repo https://github.com/othelarian/PoC_tree written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/othelarian/PoC_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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 3d428d74cbefc42e14c7b8389611fd90d45100fc24cdfb331dba3cda23b676b1
[INFO] running `Command { std: "docker" "start" "-a" "3d428d74cbefc42e14c7b8389611fd90d45100fc24cdfb331dba3cda23b676b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d428d74cbefc42e14c7b8389611fd90d45100fc24cdfb331dba3cda23b676b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d428d74cbefc42e14c7b8389611fd90d45100fc24cdfb331dba3cda23b676b1", kill_on_drop: false }`
[INFO] [stdout] 3d428d74cbefc42e14c7b8389611fd90d45100fc24cdfb331dba3cda23b676b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] b09935ed7d38cfb1e0406c3dec92b7375d4d592838a9c60985a0fd69aa35e006
[INFO] running `Command { std: "docker" "start" "-a" "b09935ed7d38cfb1e0406c3dec92b7375d4d592838a9c60985a0fd69aa35e006", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling poc_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.56s
[INFO] running `Command { std: "docker" "inspect" "b09935ed7d38cfb1e0406c3dec92b7375d4d592838a9c60985a0fd69aa35e006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b09935ed7d38cfb1e0406c3dec92b7375d4d592838a9c60985a0fd69aa35e006", kill_on_drop: false }`
[INFO] [stdout] b09935ed7d38cfb1e0406c3dec92b7375d4d592838a9c60985a0fd69aa35e006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 426063a863292920eaa4f325a0f606bf2b8ba718ebf8a9fda3c452bb1561508d
[INFO] running `Command { std: "docker" "start" "-a" "426063a863292920eaa4f325a0f606bf2b8ba718ebf8a9fda3c452bb1561508d", kill_on_drop: false }`
[INFO] [stderr]    Compiling poc_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "426063a863292920eaa4f325a0f606bf2b8ba718ebf8a9fda3c452bb1561508d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "426063a863292920eaa4f325a0f606bf2b8ba718ebf8a9fda3c452bb1561508d", kill_on_drop: false }`
[INFO] [stdout] 426063a863292920eaa4f325a0f606bf2b8ba718ebf8a9fda3c452bb1561508d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 9c46290843dfe0afd36a4cbb28d696ebc7eaf1918724ce393e9ca423de652c3a
[INFO] running `Command { std: "docker" "start" "-a" "9c46290843dfe0afd36a4cbb28d696ebc7eaf1918724ce393e9ca423de652c3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/poc_tree-6e1bdf5a1e216c91)
[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" "9c46290843dfe0afd36a4cbb28d696ebc7eaf1918724ce393e9ca423de652c3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c46290843dfe0afd36a4cbb28d696ebc7eaf1918724ce393e9ca423de652c3a", kill_on_drop: false }`
[INFO] [stdout] 9c46290843dfe0afd36a4cbb28d696ebc7eaf1918724ce393e9ca423de652c3a