[INFO] fetching crate guessing_game_by_rust_book 0.1.0...
[INFO] testing guessing_game_by_rust_book-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate guessing_game_by_rust_book 0.1.0 into /workspace/builds/worker-25/source
[INFO] validating manifest of crates.io crate guessing_game_by_rust_book 0.1.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate guessing_game_by_rust_book 0.1.0
[INFO] finished tweaking crates.io crate guessing_game_by_rust_book 0.1.0
[INFO] tweaked toml for crates.io crate guessing_game_by_rust_book 0.1.0 written to /workspace/builds/worker-25/source/Cargo.toml
[INFO] crate crates.io crate guessing_game_by_rust_book 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a4c880bf526de541e42eac4773dfeca8072e8279c919cbe15c0f57ff3b28742
[INFO] running `Command { std: "docker" "start" "-a" "8a4c880bf526de541e42eac4773dfeca8072e8279c919cbe15c0f57ff3b28742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a4c880bf526de541e42eac4773dfeca8072e8279c919cbe15c0f57ff3b28742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a4c880bf526de541e42eac4773dfeca8072e8279c919cbe15c0f57ff3b28742", kill_on_drop: false }`
[INFO] [stdout] 8a4c880bf526de541e42eac4773dfeca8072e8279c919cbe15c0f57ff3b28742
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 824ebe515d3bec2418d8347c86e8eee30622790ede69ede195b64254a83b9240
[INFO] running `Command { std: "docker" "start" "-a" "824ebe515d3bec2418d8347c86e8eee30622790ede69ede195b64254a83b9240", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling guessing_game_by_rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.84s
[INFO] running `Command { std: "docker" "inspect" "824ebe515d3bec2418d8347c86e8eee30622790ede69ede195b64254a83b9240", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "824ebe515d3bec2418d8347c86e8eee30622790ede69ede195b64254a83b9240", kill_on_drop: false }`
[INFO] [stdout] 824ebe515d3bec2418d8347c86e8eee30622790ede69ede195b64254a83b9240
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0b63f552dfc610deb593988528d486081acdd6fecb15ee81b788563f4e6853e3
[INFO] running `Command { std: "docker" "start" "-a" "0b63f552dfc610deb593988528d486081acdd6fecb15ee81b788563f4e6853e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling guessing_game_by_rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0b63f552dfc610deb593988528d486081acdd6fecb15ee81b788563f4e6853e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b63f552dfc610deb593988528d486081acdd6fecb15ee81b788563f4e6853e3", kill_on_drop: false }`
[INFO] [stdout] 0b63f552dfc610deb593988528d486081acdd6fecb15ee81b788563f4e6853e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-25/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" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 803d7fad050d34a5c4da941111c475c5786b9d653d0aed80f59797059b6b671f
[INFO] running `Command { std: "docker" "start" "-a" "803d7fad050d34a5c4da941111c475c5786b9d653d0aed80f59797059b6b671f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game_by_rust_book-a51d0382507305dd)
[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" "803d7fad050d34a5c4da941111c475c5786b9d653d0aed80f59797059b6b671f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "803d7fad050d34a5c4da941111c475c5786b9d653d0aed80f59797059b6b671f", kill_on_drop: false }`
[INFO] [stdout] 803d7fad050d34a5c4da941111c475c5786b9d653d0aed80f59797059b6b671f