[INFO] cloning repository https://github.com/zhengxiangfann/guess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zhengxiangfann/guess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhengxiangfann%2Fguess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhengxiangfann%2Fguess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15ecfab44f30b0481c963cfe9c7df10407f2f633
[INFO] testing zhengxiangfann/guess against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzhengxiangfann%2Fguess" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zhengxiangfann/guess on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zhengxiangfann/guess
[INFO] finished tweaking git repo https://github.com/zhengxiangfann/guess
[INFO] tweaked toml for git repo https://github.com/zhengxiangfann/guess written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/zhengxiangfann/guess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38e5345cdc8bccce2575c8d164c3085ab93c7370f2474b13b5dffaf8cc2911c2
[INFO] running `Command { std: "docker" "start" "-a" "38e5345cdc8bccce2575c8d164c3085ab93c7370f2474b13b5dffaf8cc2911c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38e5345cdc8bccce2575c8d164c3085ab93c7370f2474b13b5dffaf8cc2911c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38e5345cdc8bccce2575c8d164c3085ab93c7370f2474b13b5dffaf8cc2911c2", kill_on_drop: false }`
[INFO] [stdout] 38e5345cdc8bccce2575c8d164c3085ab93c7370f2474b13b5dffaf8cc2911c2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 405ef5dfec99a0c616e1efd35b06ac1d228e35b68f90cea6ff82041899eb64b2
[INFO] running `Command { std: "docker" "start" "-a" "405ef5dfec99a0c616e1efd35b06ac1d228e35b68f90cea6ff82041899eb64b2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 02s
[INFO] running `Command { std: "docker" "inspect" "405ef5dfec99a0c616e1efd35b06ac1d228e35b68f90cea6ff82041899eb64b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405ef5dfec99a0c616e1efd35b06ac1d228e35b68f90cea6ff82041899eb64b2", kill_on_drop: false }`
[INFO] [stdout] 405ef5dfec99a0c616e1efd35b06ac1d228e35b68f90cea6ff82041899eb64b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7196f066d7dbb8f047c0800d3b5c880a7816c19f71aafd9d50a072216e213811
[INFO] running `Command { std: "docker" "start" "-a" "7196f066d7dbb8f047c0800d3b5c880a7816c19f71aafd9d50a072216e213811", kill_on_drop: false }`
[INFO] [stderr]    Compiling guess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "7196f066d7dbb8f047c0800d3b5c880a7816c19f71aafd9d50a072216e213811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7196f066d7dbb8f047c0800d3b5c880a7816c19f71aafd9d50a072216e213811", kill_on_drop: false }`
[INFO] [stdout] 7196f066d7dbb8f047c0800d3b5c880a7816c19f71aafd9d50a072216e213811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f52b6536e682d813333279bbdf4e00db4c5ec27a8e0e7efd2c9c832ca8a9e2ac
[INFO] running `Command { std: "docker" "start" "-a" "f52b6536e682d813333279bbdf4e00db4c5ec27a8e0e7efd2c9c832ca8a9e2ac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guess-436fe2b5952054ad)
[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" "f52b6536e682d813333279bbdf4e00db4c5ec27a8e0e7efd2c9c832ca8a9e2ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f52b6536e682d813333279bbdf4e00db4c5ec27a8e0e7efd2c9c832ca8a9e2ac", kill_on_drop: false }`
[INFO] [stdout] f52b6536e682d813333279bbdf4e00db4c5ec27a8e0e7efd2c9c832ca8a9e2ac