[INFO] cloning repository https://github.com/lauriannala/rust_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lauriannala/rust_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flauriannala%2Frust_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flauriannala%2Frust_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d48511f8346060009808deb6685853caa1eafc09
[INFO] testing lauriannala/rust_tree against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flauriannala%2Frust_tree" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lauriannala/rust_tree on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lauriannala/rust_tree
[INFO] finished tweaking git repo https://github.com/lauriannala/rust_tree
[INFO] tweaked toml for git repo https://github.com/lauriannala/rust_tree written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/lauriannala/rust_tree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 676d7cb58afdb9995a9e2e6ffd313845c868355472eaba8cf4eb0b0a4cbaa699
[INFO] running `Command { std: "docker" "start" "-a" "676d7cb58afdb9995a9e2e6ffd313845c868355472eaba8cf4eb0b0a4cbaa699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "676d7cb58afdb9995a9e2e6ffd313845c868355472eaba8cf4eb0b0a4cbaa699", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676d7cb58afdb9995a9e2e6ffd313845c868355472eaba8cf4eb0b0a4cbaa699", kill_on_drop: false }`
[INFO] [stdout] 676d7cb58afdb9995a9e2e6ffd313845c868355472eaba8cf4eb0b0a4cbaa699
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1212b9ae2d2ac1427e97a64e8e4a7d61c4ef834ad7be529b8d21ce06668c7dd1
[INFO] running `Command { std: "docker" "start" "-a" "1212b9ae2d2ac1427e97a64e8e4a7d61c4ef834ad7be529b8d21ce06668c7dd1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.94s
[INFO] running `Command { std: "docker" "inspect" "1212b9ae2d2ac1427e97a64e8e4a7d61c4ef834ad7be529b8d21ce06668c7dd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1212b9ae2d2ac1427e97a64e8e4a7d61c4ef834ad7be529b8d21ce06668c7dd1", kill_on_drop: false }`
[INFO] [stdout] 1212b9ae2d2ac1427e97a64e8e4a7d61c4ef834ad7be529b8d21ce06668c7dd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 562a3698a2bb8c41065527f3bc6e3d2f9182e8952e0d878e5214111e69341704
[INFO] running `Command { std: "docker" "start" "-a" "562a3698a2bb8c41065527f3bc6e3d2f9182e8952e0d878e5214111e69341704", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tree-4e2af0d04cca7e4b)
[INFO] running `Command { std: "docker" "inspect" "562a3698a2bb8c41065527f3bc6e3d2f9182e8952e0d878e5214111e69341704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562a3698a2bb8c41065527f3bc6e3d2f9182e8952e0d878e5214111e69341704", kill_on_drop: false }`
[INFO] [stdout] 562a3698a2bb8c41065527f3bc6e3d2f9182e8952e0d878e5214111e69341704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 83f5dffc695ee8541579bb4b4cf474959702b31ff3a543da5e243e4c761b20cf
[INFO] running `Command { std: "docker" "start" "-a" "83f5dffc695ee8541579bb4b4cf474959702b31ff3a543da5e243e4c761b20cf", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_tree-4e2af0d04cca7e4b)
[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" "83f5dffc695ee8541579bb4b4cf474959702b31ff3a543da5e243e4c761b20cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83f5dffc695ee8541579bb4b4cf474959702b31ff3a543da5e243e4c761b20cf", kill_on_drop: false }`
[INFO] [stdout] 83f5dffc695ee8541579bb4b4cf474959702b31ff3a543da5e243e4c761b20cf