[INFO] fetching crate guessing_game_crate 0.1.1...
[INFO] testing guessing_game_crate-0.1.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate guessing_game_crate 0.1.1 into /workspace/builds/worker-108/source
[INFO] validating manifest of crates.io crate guessing_game_crate 0.1.1 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_crate 0.1.1
[INFO] finished tweaking crates.io crate guessing_game_crate 0.1.1
[INFO] tweaked toml for crates.io crate guessing_game_crate 0.1.1 written to /workspace/builds/worker-108/source/Cargo.toml
[INFO] crate crates.io crate guessing_game_crate 0.1.1 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 9fa34fa225d90933dbf82c69da68bb42f324b881005b19855f2d3e9b6d204ee2
[INFO] running `Command { std: "docker" "start" "-a" "9fa34fa225d90933dbf82c69da68bb42f324b881005b19855f2d3e9b6d204ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fa34fa225d90933dbf82c69da68bb42f324b881005b19855f2d3e9b6d204ee2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fa34fa225d90933dbf82c69da68bb42f324b881005b19855f2d3e9b6d204ee2", kill_on_drop: false }`
[INFO] [stdout] 9fa34fa225d90933dbf82c69da68bb42f324b881005b19855f2d3e9b6d204ee2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 101992f8d9259f91fd5e4374c4821a7315af408916afb0799f7d18ff37c1802a
[INFO] running `Command { std: "docker" "start" "-a" "101992f8d9259f91fd5e4374c4821a7315af408916afb0799f7d18ff37c1802a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing_game_crate v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.74s
[INFO] running `Command { std: "docker" "inspect" "101992f8d9259f91fd5e4374c4821a7315af408916afb0799f7d18ff37c1802a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101992f8d9259f91fd5e4374c4821a7315af408916afb0799f7d18ff37c1802a", kill_on_drop: false }`
[INFO] [stdout] 101992f8d9259f91fd5e4374c4821a7315af408916afb0799f7d18ff37c1802a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] a7cad02cbbefd5222375fdc9618fb13186528279af28089babf895d192714da7
[INFO] running `Command { std: "docker" "start" "-a" "a7cad02cbbefd5222375fdc9618fb13186528279af28089babf895d192714da7", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_crate v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.60s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_crate-db0a68d11b255666)
[INFO] running `Command { std: "docker" "inspect" "a7cad02cbbefd5222375fdc9618fb13186528279af28089babf895d192714da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7cad02cbbefd5222375fdc9618fb13186528279af28089babf895d192714da7", kill_on_drop: false }`
[INFO] [stdout] a7cad02cbbefd5222375fdc9618fb13186528279af28089babf895d192714da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-108/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] 8bec819c4e938130f1b3b2a5392d0a1bb7ab120f9da1813b5ec0694ef927aed3
[INFO] running `Command { std: "docker" "start" "-a" "8bec819c4e938130f1b3b2a5392d0a1bb7ab120f9da1813b5ec0694ef927aed3", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game_crate-db0a68d11b255666)
[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" "8bec819c4e938130f1b3b2a5392d0a1bb7ab120f9da1813b5ec0694ef927aed3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bec819c4e938130f1b3b2a5392d0a1bb7ab120f9da1813b5ec0694ef927aed3", kill_on_drop: false }`
[INFO] [stdout] 8bec819c4e938130f1b3b2a5392d0a1bb7ab120f9da1813b5ec0694ef927aed3