[INFO] cloning repository https://github.com/howiehu/guessing_game_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/howiehu/guessing_game_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowiehu%2Fguessing_game_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowiehu%2Fguessing_game_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17731b59f0c16d313790e118b44288b5c288e562
[INFO] testing howiehu/guessing_game_rust against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhowiehu%2Fguessing_game_rust" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/howiehu/guessing_game_rust on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/howiehu/guessing_game_rust
[INFO] finished tweaking git repo https://github.com/howiehu/guessing_game_rust
[INFO] tweaked toml for git repo https://github.com/howiehu/guessing_game_rust written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/howiehu/guessing_game_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87ee2e75d4d51f2cbbb9ac3d5b89a34f95a1fb703fac76f410320fb3158792ed
[INFO] running `Command { std: "docker" "start" "-a" "87ee2e75d4d51f2cbbb9ac3d5b89a34f95a1fb703fac76f410320fb3158792ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87ee2e75d4d51f2cbbb9ac3d5b89a34f95a1fb703fac76f410320fb3158792ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ee2e75d4d51f2cbbb9ac3d5b89a34f95a1fb703fac76f410320fb3158792ed", kill_on_drop: false }`
[INFO] [stdout] 87ee2e75d4d51f2cbbb9ac3d5b89a34f95a1fb703fac76f410320fb3158792ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3e7b5861ace691aa7d97683e07d783824a9e2e01494265661054b8c86fefb85
[INFO] running `Command { std: "docker" "start" "-a" "a3e7b5861ace691aa7d97683e07d783824a9e2e01494265661054b8c86fefb85", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.58s
[INFO] running `Command { std: "docker" "inspect" "a3e7b5861ace691aa7d97683e07d783824a9e2e01494265661054b8c86fefb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3e7b5861ace691aa7d97683e07d783824a9e2e01494265661054b8c86fefb85", kill_on_drop: false }`
[INFO] [stdout] a3e7b5861ace691aa7d97683e07d783824a9e2e01494265661054b8c86fefb85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 226a937031ca2b5db102ab40f18d363f7b437615e92b76beea7986c63ee91b2f
[INFO] running `Command { std: "docker" "start" "-a" "226a937031ca2b5db102ab40f18d363f7b437615e92b76beea7986c63ee91b2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "226a937031ca2b5db102ab40f18d363f7b437615e92b76beea7986c63ee91b2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "226a937031ca2b5db102ab40f18d363f7b437615e92b76beea7986c63ee91b2f", kill_on_drop: false }`
[INFO] [stdout] 226a937031ca2b5db102ab40f18d363f7b437615e92b76beea7986c63ee91b2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dd7fb379f298511feb1b6768bcb89c6a7d1dec23e787d26014b1878bfe2d0541
[INFO] running `Command { std: "docker" "start" "-a" "dd7fb379f298511feb1b6768bcb89c6a7d1dec23e787d26014b1878bfe2d0541", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-e2910d0998b8d4d1)
[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" "dd7fb379f298511feb1b6768bcb89c6a7d1dec23e787d26014b1878bfe2d0541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd7fb379f298511feb1b6768bcb89c6a7d1dec23e787d26014b1878bfe2d0541", kill_on_drop: false }`
[INFO] [stdout] dd7fb379f298511feb1b6768bcb89c6a7d1dec23e787d26014b1878bfe2d0541