[INFO] fetching crate guessing_game_ 0.1.0...
[INFO] testing guessing_game_-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate guessing_game_ 0.1.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate guessing_game_ 0.1.0 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 crates.io crate guessing_game_ 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_ 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_ 0.1.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 95129a11a7a2d5b0cf36f644a7c39e056e9400de32fef02ea947eb368febe34f
[INFO] running `Command { std: "docker" "start" "-a" "95129a11a7a2d5b0cf36f644a7c39e056e9400de32fef02ea947eb368febe34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95129a11a7a2d5b0cf36f644a7c39e056e9400de32fef02ea947eb368febe34f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95129a11a7a2d5b0cf36f644a7c39e056e9400de32fef02ea947eb368febe34f", kill_on_drop: false }`
[INFO] [stdout] 95129a11a7a2d5b0cf36f644a7c39e056e9400de32fef02ea947eb368febe34f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 07c27636d6dc1d535bd792c040c41e7a6c9e89c7a1b4aba9f06db474ade6b04f
[INFO] running `Command { std: "docker" "start" "-a" "07c27636d6dc1d535bd792c040c41e7a6c9e89c7a1b4aba9f06db474ade6b04f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling guessing_game_ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.92s
[INFO] running `Command { std: "docker" "inspect" "07c27636d6dc1d535bd792c040c41e7a6c9e89c7a1b4aba9f06db474ade6b04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c27636d6dc1d535bd792c040c41e7a6c9e89c7a1b4aba9f06db474ade6b04f", kill_on_drop: false }`
[INFO] [stdout] 07c27636d6dc1d535bd792c040c41e7a6c9e89c7a1b4aba9f06db474ade6b04f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 4f5efa6b57eec8f6d332e8d6f4416936a170fdfa08b5097703b65d8e2f993d78
[INFO] running `Command { std: "docker" "start" "-a" "4f5efa6b57eec8f6d332e8d6f4416936a170fdfa08b5097703b65d8e2f993d78", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_ v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.69s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_-dc5f220769039c77)
[INFO] running `Command { std: "docker" "inspect" "4f5efa6b57eec8f6d332e8d6f4416936a170fdfa08b5097703b65d8e2f993d78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f5efa6b57eec8f6d332e8d6f4416936a170fdfa08b5097703b65d8e2f993d78", kill_on_drop: false }`
[INFO] [stdout] 4f5efa6b57eec8f6d332e8d6f4416936a170fdfa08b5097703b65d8e2f993d78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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] 85c925e0c3a40dd47295316d0c38a0cae828ce1c1048ed1fa0e7d2ff2253835e
[INFO] running `Command { std: "docker" "start" "-a" "85c925e0c3a40dd47295316d0c38a0cae828ce1c1048ed1fa0e7d2ff2253835e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_-dc5f220769039c77)
[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" "85c925e0c3a40dd47295316d0c38a0cae828ce1c1048ed1fa0e7d2ff2253835e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c925e0c3a40dd47295316d0c38a0cae828ce1c1048ed1fa0e7d2ff2253835e", kill_on_drop: false }`
[INFO] [stdout] 85c925e0c3a40dd47295316d0c38a0cae828ce1c1048ed1fa0e7d2ff2253835e